CN1190564A - Chair mechanism and pad coverings - Google Patents
Chair mechanism and pad coverings Download PDFInfo
- Publication number
- CN1190564A CN1190564A CN97120091A CN97120091A CN1190564A CN 1190564 A CN1190564 A CN 1190564A CN 97120091 A CN97120091 A CN 97120091A CN 97120091 A CN97120091 A CN 97120091A CN 1190564 A CN1190564 A CN 1190564A
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- China
- Prior art keywords
- seat
- spring
- pivot center
- backrest
- shell
- Prior art date
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
- A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
- A47C1/03261—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means
- A47C1/03283—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means with fluid springs
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
- A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
- A47C1/03261—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means
- A47C1/03266—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means with adjustable elasticity
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
- A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
- A47C1/03255—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest with a central column, e.g. rocking office chairs
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
- A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
- A47C1/03261—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means
- A47C1/03272—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means with coil springs
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- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Chairs Characterized By Structure (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The invention provides a chair mechanism (1). The invention comprises an encloser holder (17) and an encloser cover (18), which constitute a chair seat support and are arranged on the tip (50) of an air spring (5) arranged vertically. The two members (17, 18) are integrated with each other with bolts; a plurality of functional members are rotatablely embedded into the encloser holder (17) and the encloser cover (18). The invention simplifies the mounting and the dismounting of the chair mechanism. The members (17, 18) are the best aluminium pressure castings. A drive rod (15), the spring seat (110) of a helical spring, an articulated belt (14), a chair holder encloser (3) and a backrest (2) are integral injection molding parts. A back cushion can be pushed against the backrest, and can be fixed by a suspension fork which can be locked in the backrest and a clasp fastener. In addition, a seat cushion is fastened on a chair seat encloser in a quick detachable way. An integral articulated belt is joined with the sphenoid side of the chair holder encloser, and is fastened on a cover surrounding the seat cushion.
Description
The present invention relates to seat, the mechanism of office revolving chair particularly, it has air spring and regulates height devices, and the synchronous adjustable that can carry out seat support and backrest tilts, and for this purpose, adopts an air spring equally.Depend on dislocation, drive the device of regulating inclination and can lock the present position of seat, perhaps remove above-mentioned locking in the past.If the locking of tilt adjustment is removed, so, can be by the displacement body weight, make the seat support synchronous follow-up and in the scope of a setting, regulate the position of backrest.Use such seat to move to a reclined position (slack position) by a centre position (home position) from the position of leaning forward (writing position).
In order to realize being synchronized with the movement between seat support and the backrest, a plurality of being articulated and connected is set in chair mechanism.In order to make the motor program optimization that is synchronized with the movement, and, be provided with one in addition and have the adjusting device of compressing helical spring in order to regulate the prestrain that is added on the air spring.Whole chair mechanism is arranged in below the seat support, and when sitting down, the user can handle the actuator of all regulatory functions.When this seat of design, need lay special stress on will adorn, tear open work as far as possible simply.
In addition, the present invention relates to the constructional aspect of backrest and seat support shell, the architectural feature that interfixes of the pad of this and backing cushion and seat support shell interacts.
In the prior art, (for example CH-A-629 945 for lot of documents, CH-A-524 982, and DE-C-29 40 250, and DE-A-39 16 474, US-A-4408 800, EP-B-0 592 369, and WO 83/00610) chair mechanism that is used for swivel chair is disclosed, the motor program between seat support and backrest has been realized synchronization, wherein, match with each backrest inclination in the gratifying location aspect ergonomics on seat support surface.When working on desk, in order to be fit to the prone position of user, that is, in order to be placed on the load on the upper limbs downside on the seat support, and for the back being provided effective supporting, modern designs also can make seat support surface and backrest lean forward.
The lazy-tongs correction that these are new before be the unsound seat of standard.Each pivot center is arranged in to have formed in the lazy-tongs can be described as the control that relies on weight.AU-B-581120 discloses such lazy-tongs.Direction along seat support shell front portion is looked, and the pin joint of a hinged band is positioned at the pin joint the place ahead on the seat bracket, and this hinged band extends to the seat support shell from seat bracket.Because with respect to the horizontal connection of backrest, backrest also increases along with the increase of the load on the seat support shell front portion at the support pressure of user's seat area.
The development of chair mechanism design makes its production and assembling complicated day by day, thereby cost is risen steadily.Up to now chair mechanism is needed sizable assembly fee to use by many screw threads, riveted joint and welding.In addition, the disposal that meets environmental protection requirement of the product after present the using also becomes a significant consideration.For described field, this means that the seat of preparing to dispose also must not be merely able to high efficiency assembling, also must be as far as possible fully with disassemble into independent part simply so that can reclaim or dispose these parts on ecology, to say reasonable manner.Therefore, present chair mechanism, because complex structure, thereby can only use special technology and instrument to disassemble difficultly, almost can not satisfy the ecological requirement of disposing.
Backrest and seat support shell and the backing cushion that matches are with seat cushion is for example bonding by adhesive at present, staple is connected or by being fixed on the frame and firm engagement.Another method is that it is tied.Specifically, above-mentioned first kind of fastening method is disadvantageous to the user, perhaps produces too complexity, also is difficult to separately later on, and this is owing to the mounting means decision.
In view of present chair mechanism still has above-mentioned defective, the purpose of this invention is to provide a kind of improved chair mechanism, its basic structure is simple as much as possible, can low-cost, batch process expeditiously.In addition, the distinguishing feature of chair mechanism of the present invention is to use the life-span long, if desired, can maintain simply.Use old chair mechanism need not know-how and fully to disassemble into single part at short notice at last with instrument ground.Yet the user can possess all advantages and the comfortableness of modern chair mechanism again.
Another object of the present invention is to simplify between backing cushion and the backrest, and the assembly and disassembly of fastener between seat cushion and the seat support shell, and simultaneously, in view of these fasteners are easy to dismounting, these fasteners help the user more.
This chair mechanism comprises two housings, and they constitute seat bracket together, and seat bracket is placed on and is used to carry out the highly conical end of the air spring of the vertical layout of adjusting.These two housings are fitted together with set screws.Be used to regulate height and the drive rod that tilts, leaning device air spring, make the helical spring of leaning device prestrain, and hinged band all is inserted between the above-mentioned housing versatilely before be used for being connected with the seat support shell two.In addition, extend below the seat support shell two support portions of backrest, is connected between two shell portions.At opposite side, hinged band hangs on the downside of seat support shell.Also being provided with rotating plug type between two support portions of backrest and seat support shell connects.
At least one the hinged band that is connected both sides and has two pivot centers extends to the seat support shell from seat bracket; Two hinged bands preferably are set.Hinged band moves forward, and it is risen in the mode that tilts, and the pivot center between hinged band and the seat support shell is than the more close seat support shell of the pivot center between hinged band and seat bracket leading edge.
Two housings are preferably aluminium diecasting, and drive rod, helical spring seat, hinged band, seat support shell and backrest integral plastics moulding preferably.
Backing cushion can push away and be contained on the backrest, and fixes by the suspension and the hook-loop fastener that may be locked on the backrest.Equally, seat cushion also is fastened on the seat support shell in quick detachable mode.Seat cushion has generally by foamed material bedding core of making and the cover that encases bedding core.Edge at cover is provided with integral hinge, and it is bonded under the seat support shell wedge shape lateral margin and with it and encases, thereby seat cushion is fixed on the seat support shell.Seat cushion also is fixed on the seat support shell by detachable securing member.
The present invention can be made into a kind of comparatively simple chair mechanism now, it can be in enormous quantities, low-cost, easily assembling ground produces, that is, mainly be to have plug type to connect and have only seldom screw connection.This chair mechanism long service life is maintained easyly, and the advantage for the user provides all modern lazy-tongs is included as the negative of writing position and leans forward.Except employed material and technology, because mechanism can at short notice, only use simple tools just to disassemble into independent part fully with action, thereby this chair mechanism also can satisfy the requirement that ecology is thrown aside.Therefore, the part of chair mechanism and whole seat can be used as the regenerative raw materials recovery or is disposed in a kind of mode that is beneficial to environmental protection.
Now, backing cushion and seat cushion can be rapidly, demolition, installation are at backrest and seat support shell easily.
Now contrast the following drawings describes in detail according to chair mechanism of the present invention with pad and is fastened on embodiment on backrest or the seat support shell.
Figure 1A is the side view of whole seat;
Figure 1B represents seat shown in Figure 1A, is unkitted seat cushion and has the view of representing arrangement for adjusting height;
Fig. 1 C represents the seat shown in Figure 1B, has the view of representing tilt adjustment device;
Fig. 2 A is the stereogram of the seat support shell of seat;
Fig. 2 B is the decomposition side view of chair mechanism;
Fig. 2 C is the exploded front view of chair mechanism, has the device of adjusting leaning device prestrain.
Fig. 3 A is the stereogram of seat bracket upper and lower casing;
Lower case shown in Fig. 3 B presentation graphs 3A, what have insertion is used to regulate the height of seat support and the drive rod of inclination;
Fig. 3 C is the schematic representation of apparatus that is used to regulate leaning device prestrain shown in the presentation graphs 2C;
Fig. 4 A is the front view of the whole seat of no backing cushion;
Fig. 4 B is the side view of seat shown in Fig. 4 A, has a suspension near seat;
Fig. 4 C is the rearview of seat shown in Fig. 4 A and backing cushion;
Fig. 4 D is backrest and the cross-sectional schematic of having overlapped the backing cushion that installs;
Fig. 5 A represents seat support shell and near seat cushion thereof;
Fig. 5 B represents the lateral margin of seat support shell and near the edge of cover thereof;
Fig. 5 C is the cutaway view along A-A line among Fig. 5 B;
Fig. 5 D is the cutaway view along B-B line among Fig. 5 B;
Fig. 6 A is the schematic diagram that is in the seat of home position (seat support surface level, backrest is vertical);
Fig. 6 B is the schematic diagram that is in the seat of slack position (seat support surface and backrest hypsokinesis);
Fig. 6 C is the schematic diagram that is in the seat of writing position (seat support surface and backrest lean forward).
See also Figure 1A to 1C.
Seat mainly comprises star bracket 4, seat support shell 3, backrest 2 and chair mechanism 1.Extending the center pillar 40 of the vertical rise of a center arrangement from bracket 4, air spring 5 is placed on wherein, is used for regulating height.Therefore, air spring hereinafter is called the height air spring.The seat bracket 10 that constitutes chair mechanism 1 part is placed on the conical upper end portion of height air spring 5.Seat support shell 3 and backrest 2 can be covered with seat cushion and backing cushion respectively.
10 rear portion extends under the seat support shell 3 two oblique arms 20 always from backrest 2 towards seat bracket, and the support portion 21 of oblique arm 20 is connected in seat bracket, forms pivot center D1.A half-open up claw 22 is arranged on every arm 20, and the connector 30 that is hinged in the claw 22 is arranged on the rear side of seat support shell with complimentary fashion for 3 times at the seat support shell, forms pivot center D2 there.
The helical spring 11 that inserts in the spring abutment 110 acts on the rear portion of seat bracket 10.At the top, helical spring 11 is bearing on the seat support shell 3.The prestrain of helical spring 11 can be adjusted by worm gear 12, and worm gear 12 has an axle that outwards passes to a turning handle 120.The extensile lifting arm 60 of the air spring 6 of leaning device is installed on the seat bracket 10 swingably, forms pivot center D3 there.Therefore, air spring 6 hereinafter is called inclination air spring 6.On the other hand, inclination air spring 6 is connected in seat support shell 3 bottoms on pivot center D4.Pivot center D4 and D5 are combined.
Two downward half-open claws 13 spaced apart are arranged under the front side of seat support shell 3, in each above-mentioned claw, hang one and hingedly be with 14, form pivot center D5 there, and stretch to seat bracket 10, they similarly are connected in seat bracket 10, form pivot center D6.A drive rod 15 that is contained on the pivot center D7 extends to the valve rod 51 that stretches out from height air spring 5 (seeing Figure 1B) from a side of seat bracket 10.A selector bar 16 that is contained on the pivot center D8 extends the valve rod 61 that stretches out from inclination air spring 6 (seeing Fig. 1 C) from the opposite side of seat bracket 10.
Hinged with 14 tilt stretch to hinged with 14 and seat support shell 3 between preceding pivot center D5, it is than the more close tongue 31 (seeing Fig. 2 A) that is positioned at seat support shell 3 front ends of pivot center D6, pivot center D6 hinged be with 14 and seat bracket 10 between.This forms a kind of control that relies on deadweight that can be described as; If the load on the tongue 31 increases, so, backrest 2 improves against the support pressure of user's seat area.
Following statement is applicable to the whole remainder of specification.If an accompanying drawing is the clear label that contains not specified (NS) in the part that is closely related of specification of drawing, so, see also the example of mentioning these labels in the description of the drawings in front.For the sake of simplicity, the piece mark that repeats in the accompanying drawing below no longer marks, if it can be seen clearly from the accompanying drawing of " occurring once more " these parts.
See also Fig. 2 B and 2C.
One dead eye 220 is arranged in the forked claw 22 on every arm 20, and logical one enters contraction mouth 221 and can enter.According to dead eye 220 with enter the mode of contraction mouth 221 complementations, the connector 30 on the seat support shell 3 has a roofbolt 300, has one narrow 301 on roofbolt 300, and it forms by the parallel flat part in both sides.If look perpendicular to flat part, roofbolt 300 has its cross section completely.Therefore, roofbolt 300 can only pass with narrow 301 of cross section and enter contraction mouth 221, just can insert and take out dead eye 220.Rotating backrest 2, thereby rotating after the melon portion 22, moving on the complete cross section of connector 30 and against entering contraction mouth 221.At this moment connector 30 promptly is contained in the claw 22 rotationally.
Same principle also is applicable to hinged with in 14 claws 13 that are suspended on the seat support shell 3.Here, claw 13 also has a dead eye 130, enters contraction mouth 131 and can enter this hole by what open wide downwards.At hinged cooperation transverse plate 140 on 14 is that the mode complementary with it made.Transverse plate 140 has a cross section narrow 141, and it is that parallel flat part by both sides constitutes.If look perpendicular to flat part, transverse plate 140 has its complete cross section.Therefore, transverse plate 140 can only be aimed at by entering the dead eye 130 that contraction mouth 131 just can insert forked claw 13 with narrow 141 of cross section.After rotating hinge tape splicing 14, move on the complete cross section of transverse plate 140 and against entering contraction mouth 131, thereby on this turned position, hingedly be with 14 to remain on rotationally in the claw 13.
The bar portion 151,161 of drive rod 15 and selector bar 16 is oppositely arranged in seat bracket 10 mutually fully.When handling drive rod 15, its conversion projection 152 is pressed on the valve rod 51 of height air spring 5.When manipulation transforms bar 16, its conversion projection 162 is pressed on the valve rod 61 of inclination air spring 6.By the eyelet on the inclination air spring 6 63, form the rotatable installation of inclination air springs 6 in one side on the pivot center D4 on the other hand by seat support shell 3 following supporting connectors 33.
Be parallel to transverse plate 140, at each hinged horizontal roofbolt 142 that is provided with a circle on 14.Transverse plate 140 and horizontal roofbolt are encased by two external plates that are parallel to each other 143, and every block of plate is installed perpendicularly.Laterally round pin 210 is located on the support portion 21 of backrest 2.In order to hang the transverse bolt 210 of hinged arm 20 with 14 horizontal roofbolt 142 and backrest 2, and, be provided with semicircular support slot 174 in the rear portion and the front portion of shell block 17 in order to form pivot center D1 and D6.Corresponding to the support slot on the shell block 17 174, on cap 18, be provided with support slot 184.
For the cramp bar 70 of the fastening armrest of installing from both sides 7, below seat support shell 3, be provided with one and admit profile 34.The end that protrudes upward at cramp bar 70 is provided with external screw thread 700, thereby vertical adjustable splicing sleeve 71 can be spun on the cramp bar.One armrest supporting member 72 depends on that the position of splicing sleeve 71 can screw in proper depth, and this supporting member 72 can screw in splicing sleeve 71, is engaged on the external screw thread 700.Arm support 73 is installed on the armrest supporting member 72.In addition, seat support shell 3 has a through hole 35 of aiming at helical spring 11, thereby the thread spindle 122 of worm gear 12 can pass.Axle 121 holes of passing on the seat support shell 3 320 of worm gear 12.Handler 120 can be installed in the mode of locking on the external part of axle 121.
For fixing backing cushion,, be provided with a groove 23 thereon near the edge in the centre of backrest 2.Preparation is contained in that one on the chair cover is whole hingedly is with 82 to be used for seat cushion is fastened on seat support shell 3, respectively establishes a hook 820 in hinged front portion with 82, and it hangs in the orle portion 323 of outer rim 32.In order to lock in the slotted hole 324 on the outer rim 32, be with 82 to be provided with locking projections 821 in that integral body is hinged.
See also Fig. 3 A and 3B.
These figure represent the interior spatial structure of shell block 17 and cap 18, and a large amount of fins therefrom pass.Be used to insert the tubular connection 1710 that the through hole 171 on the shell block bottom 175 of conical end of piston rod 50 of height air spring 5 continues as vertical extension.The conversion projection 152 of the drive rod 15 that inserts is positioned at the top of tubular connection 1710, stretches into through hole 171.When handling drive rod 15, conversion projection 152 is pressed on the valve rod that stretches out 51 of height air spring 5.
In order to insert spring abutment 110, the seat 170 that is arranged in the chamfered edge of these member back is arranged on the extension 1700 of shell block 17 rear sides.In extension 1700 outer rims, the plate 1701 that is provided with in parallel, plate 1701 a place aheads and hole 1702 is arranged in the bottom of the rib that passes shell block 17.Before being used for hanging hinged with 14 and the support slot 174 of the back support portion 21 of the arm 20 of backrest 2 be positioned at tongue 176, in every kind of situation, tongue 176 stretches out from shell block 17 forward and backward sides in couples.The fixed head 1740 that one projection is arranged in each support slot 174.It follows the recessed profile of support slot 174 in central authorities.Has radial ringed holddown groove 1420 at hinged transverse circular roofbolt 142 in 14, it and fixed head 1740 complementations.Transverse bolt 210 in the support portion 21 of arm 20 also has such holddown groove 2100.Therefore, suspension hinged with 14 and arm 20 be maintained on the stable position at sidepiece.Hinged those ends with 14 towards seat bracket 10 have chamfered edge 1430, and in order to have enough gaps with 14 the time when swing is hinged, these chamfered edges 1430 are assembled and formed a point.
According to shell block 17 in have the similar mode of tongue 176 of support slot 174 and fixed head 1740, the tongue 186 that has support slot 184 and fixed head 1840 also is arranged on the cap 18.Equally, according to the mode similar to the supporting recess 173 in the shell block 17, cap 18 also has the supporting recess 183 that is respectively applied for the bar portion 151,161 that encases drive rod 15 and selector bar 16.Here, supporting recess 183 also is to be made of the recessed profile on the rib that passes cap 18.
See also Fig. 3 C.
Be located in the spring abutment 110 and its elastic force can be used to assist the action of air spring 6 by the helical spring 11 that worm gear 12 is regulated, and be used for prestrain.Worm gear mechanism 12 is the axles 121 that extend by the handler 120 that can hold from the outside, between handler 120 and worm gear 123, extends from worm gear 123 that the threaded spindle 122 of pressure disc 124 and cooperation dish 125 constitute.Pressure disc 124 is placed on the top of helical spring 11, and threaded spindle 122 is passed it.Worm gear 123 and cooperation dish 125 are placed on the threaded spindle 122 of passing seat support shell 3 bottoms, and worm gear 123 is positioned at seat support shell 3 tops, and cooperation dish 125 is positioned at below the seat support shell 3.Be provided with a worm screw 1210 in axle 121 front portions, it and worm gear 123 mesh.
When driving handler 120, worm gear 123 and threaded spindle 122 are rotated, and make on the pressure disc 124 and move or move down, and this depends on rotation direction, thereby helical spring 11 further pressurized or pine oils.The set pressure of helical spring 11 acts on the seat support shell 3 by cooperation dish 125, thereby forms the corresponding resistance to seat support shell 3 and backrest 2 synchronous inclinations.
See also Fig. 4 A to 4D.
Backing cushion 9 is used for being pulled on the backrest 2.For this purpose, groove 23 is in the centre, and near backrest 2 apical margin settings, shackle restraint zone 24 is in the face of seat cushion 8, near backrest 2 root edge settings.
When being pulled in backing cushion 9 on the backrest 2, backrest is pushed in the bag 94, and simultaneously, groove 23 is passed in the bottom 960 of suspension 96.In the state of finishing, the apical margin of backrest 2 has pushed in the bag 94 until apical margin 95.The horizontal part 961 of suspension 96 passes groove 23, and paired shackle restraint zone 24,97 has been engaged.
See also Fig. 2 A and 5A to 5D.
For fixing seat cushion 8 in seat support shell 3, be provided with whole hinged edge 801 and be pulled on the outer rim 32 with 82 cover, outer rim 32 has flange 321 outwardly and hangs limit 322.Two hooks 820 hang around orle portion 323, and whole hinged locking head 821 with 82 is pressed in the slotted hole 324.Then, fixed band 823 is vertically curved inwardly, almost encase, fixed band 823 is bonded on hangs below the limit 322.Hook 820 prevents that seat cushion 8 is whole and slides, and the locking head 821 that is pressed into is pulled in the edge 801 of cover on the outer rim 32 of seat support shell 3 with 82 together with integral body is hinged, thereby prevents that fixed band 823 from throwing off from hanging limit 322.
See also Fig. 6 A to 6C.
These accompanying drawings are represented all places that the user can take on being provided with according to the seat of mechanism 1 of the present invention.
As long as the needs of seat highly press drive rod 15, thereby the haul distance that changes height air spring 5 just can be adjusted.Usually, when on drive rod pressurized and the seat support shell 3 when zero load, the seat support shell rises to its maximum height.If when load and drive rod pressurized were arranged on the seat support shell 3, seat support shell 3 was to being displaced downwardly to its extreme lower position.
About being synchronized with the movement between seat support shell 3 and the backrest 2, can select two dislocations.In first dislocation, present position is locked, that is, inclination air spring 6 is blocked.When driving selector bar 16, the blockade of inclination air spring 6 is eliminated, and by moving its body weight, the user can move seat through middle home position (seeing Fig. 6 A) from the writing position that leans forward (seeing Fig. 6 C) in the gamut of hypsokinesis slack position (seeing Fig. 6 B).When selector bar 16 was driven once more, present position was locked once more.
If inclination air spring 6 is in free dislocation, and the user acts on enough pressure on backrest 2, so, will move on all pivot center D1 to D6.When pivot center D2 moved, also mobile pivot center D4 of seat support shell 3 and D5 were with 14 and inclination air spring 6 thereby further ascending, descending is hinged.If the user acts on bigger weight on the tongue 31, will rely on the control of weight, that is, when the load on acting on tongue 31 increased, backrest 2 increased at the support pressure of user's seat area.The pivot center D1 and the D6 that are positioned on the rigidity seat bracket 10 do not change the position, and the transverse bolt 210 of the backrest 2 in just moving and hinged horizontal roofbolt 142 with 14 rotate.
Claims (15)
1. be used to have seat bracket (10), the chair mechanism of the work chair of seat support shell (3) and backrest (2),
(a) seat support shell 3 and backrest (2) are set, they can be swung on identical direction in the mode of mutual dependence;
(b) backrest (2) is connected in fixing seat bracket (10) with pivot center (D1), and is connected in seat support shell (3) with pivot center (D2);
(c) at least one hinged band (14) is connected in seat bracket (10) in a side with pivot center (D6), be connected in seat support shell (3) at opposite side with pivot center (D5), on the direction of the tongue (31) of seat support shell (3), pivot center (D5) is positioned at the place ahead of pivot center (D6);
(d) spring (6) that preferably is the air spring form is connected in seat bracket (10) in a side with pivot center (D3), is connected in seat support shell (3) at opposite side with pivot center (D4), it is characterized in that:
(e) seat bracket (10) comprises a shell block (17) and a superimposed cap (18);
(f) one is pointed to seat support shell (3), and the spring (11) that is preferably helical spring is bearing on shell block (17) or the cap (18); In shell block (17) or in cap (18), or between cap that assembles (18) and shell block (17), be inserted with rotationally:
(ga) two arms (20) of backrest (2), it terminates at the support portion (21) on the pivot center (D1),
(gb) side of at least one hinged band (14) is on pivot center (D6),
(gc) part (151) of drive rod (15) that is used to touch spring (5) is at pivot center (D7),
(gd) part (161) of selector bar (16) that is used to touch spring (6) is at pivot center (D8),
(ge) for an end of the spring (6) that synchronously tilts to establish on pivot center (D3).
2. chair mechanism according to claim 1 is characterized in that:
(a) Hu Bu support slot (174,184) and supporting recess (173,183) form by shell block (17) and cap (18) are assembled;
(b) transverse bolt (210) on the support portion (21) of backrest (2) and the horizontal roofbolt (142) that is arranged in the hinged band (14) are contained in the support slot (174,184) rotationally;
(c) the bar portion (151,161) of drive rod (15) and selector bar (16) is contained in the supporting recess (173,183) rotationally;
(d) the horizontal connector (62) that is arranged on spring (6) one ends that can swing is contained in the supporting dimple (172) that is arranged in the shell block (17), and
(e) described spring (11) is bearing in the seat (170) that is arranged in the shell block (17).
3. chair mechanism according to claim 2 is characterized in that:
(a) described support slot (174,184) is arranged in the tongue (176) that is connected on described shell block and the cap (17,18); And
(b) be provided with fixed head (1740,1840) in the middle of support slot (174,184), they imitate the bow shape.
4. chair mechanism according to claim 2 is characterized in that:
(a) described supporting dimple (172) can be by supporting lid (a 19) sealing from top, and described supporting lid has the pressure plare (190) that the horizontal connector (62) that makes spring (6) is held in place;
(b) described supporting recess (173,183) is to be made of the recessed profile on the fin that passes described shell block and cap (17,18); And
(c) described seat (170) is the extension (1700) that is connected in shell block (17) rear portion, and the spring abutment (110) of putting into spring (11) can insert this seat (170),
(d) for fixing spring abutment (110), be provided with locking piece (1101,1102) in spring abutment (110) bottom, be provided with complementary locking piece (1701,1702) in present (170) for this reason.
5. chair mechanism according to claim 4 is characterized in that: go up the radially holddown groove (1420,2100) that is provided with on the transverse bolt (210) that reaches in support portion (21) corresponding to fixed head (1740,1840) at the horizontal roofbolt (142) of hinged band (14).
6. chair mechanism according to claim 1 and 2 is characterized in that:
(a) described hinged band (14) comprises two plates that are parallel to each other (143), is provided with transverse plate (140) and horizontal roofbolt (142) betwixt;
(b) laterally those ends of the plate (143) at roofbolt (142) place have chamfered edge (1430); And
(c) pivot center (D5) between hinged band (14) and the seat support shell (3) is in pivot center (D6) top that is positioned between hinged band (14) and the seat bracket (10).
7. chair mechanism according to claim 1 is characterized in that:
(a) be the connection that is formed on the pivot center (D2) in every kind of situation, on the arm (20) of backrest (2), be provided with and have the claw (22) that the half-open support holes (220) and that makes progress enters contraction mouth (221), and on seat support shell (3), be provided with a connector (30) that has a roofbolt (300), roofbolt (300) has two flat partially parts that are parallel to each other, and it forms narrow an of cross section (301); And
(b) in order to be formed on the connection on the pivot center (D5), being provided with one on seat support shell (3) has half-open downwards support holes (130) and one and enters contraction mouth (131), the transverse plate (140) of each hinged band (14) has two flat parts that are parallel to each other, it produces narrow an of cross section (141), therefore
(c) transverse plate (140) and roofbolt (300) can only make cross section narrow (141,301) aim at and could introduce and take out support holes (130,220) by entering contraction mouth (131,221).
8. chair mechanism according to claim 1, it is characterized in that: for the prestrain of regulating spring (11), being provided with one can be by the Worm gear mechanism (12) of user's driving, by this Worm gear mechanism (12), a pressure disc (124) that is arranged on the spring (11) can be by axial displacement, thereby can change the spring force that acts on seat support shell (3) lower surface.
9. chair mechanism according to claim 1, it is characterized in that: on the upper cone shape part that complete seat bracket (10) is installed in piston rod (50), be provided with a cone-shaped hole (171) in the bottom (175) of shell block (17), it can be prolonged by the tubular connection (1710) that extend from the bottom (175).
10. chair mechanism according to claim 1 and 2 is characterized in that: described shell block (17), cap (18), hinged band (14), spring abutment (110), bar (15,16) and supporting lid (19) are the integrated members of being produced by die cast metal or plastic injection-moulded method.
11. chair mechanism according to claim 1 is characterized in that:
(a) described seat bracket (10) is installed on the spring (5) of a vertical effect that preferably is the air spring form; And
(b) go up the pin joint of hinged band (14) and seat support shell (3) at pivot center (D5), and at the pin joint of pivot center (D4) upper spring (6) and seat support shell (3) on a common pivot center.
12. backing cushion (9) fixing on the backrest (2) of seat is characterized in that:
(a) backing cushion (9) comprising:
(aa) outer cover (90) that has inner fill block (91),
(ab) fixed support plate (92) that is arranged on the trailing flank (93),
(ac) suspension (96) that is fixed on the described plate (92),
(ad) be arranged on installed part (97) on the trailing flank (93), shackle restraint zone preferably,
(ae) bag (94), it forms on the trailing flank of cover (90), and backrest (2) can push in this bag (94), and this bag extends upward to the apical margin of backing cushion (9) (95); And
(b) on backrest (2), be provided with:
(ba) groove (23) that passes for suspension (96), and
(bb) be preferably the installed part (24) of shackle restraint zone on medial surface, this installed part is used for interacting with the installed part (97) that is arranged on the backing cushion (9).
13. backrest according to claim 12 is fixing, it is characterized in that:
(a) the crooked secondary of suspension (96), thereby have a top (962), a horizontal part (961) and a bottom (960),
(b) when backing cushion (9) being pulled in backrest (2) and going up, bottom (960) are stretched out and were inserted groove (23) just from bag (94).
14. seat cushion (8) fixing on the seat support shell (3) of seat is characterized in that:
(a) seat cushion (8) comprising:
(aa) outer cover (80) with inner fill block (81), and
(ab) whole hinged band (82) around, it has a supporting strap (822) and a fixed band (823), both link together by an integral hinge (824), whole hinged band (82) is fastened on the inboard at the edge (801) of described cover, and the zone at the tongue forward (31) of seat support shell (3) is cut off, and
(b) on seat support shell (3), be provided with
(ba) outer rim (32) around side and rear portion,
(bb) be arranged on the flange (321) outwardly of one on the outer rim (32), it has one and hangs limit (322), forms a hook-type on cross section; And
(c) fixed band (823) can inwardly overturn and be sandwiched in and hang below the limit (322).
15. seat cushion according to claim 14 (8) is fixing, it is characterized in that:
(a) on seat support shell (3), be provided with:
(aa) in every kind of situation at the place that begins of outer rim (32), the edge portion (323) of a no flange is forwardly arranged, and
(ab) slotted hole (342) that extends downwards from outer rim (32), and
(b) on the hinged band of integral body (82), be provided with:
(ba) at the hook (820) of each end, and
(bb) locking head (821);
(c) hook (820) can hang around edge portion (323), and locking head (821) can be pressed in the slotted hole (342).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH2506/96 | 1996-10-14 | ||
| CH250696 | 1996-10-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1190564A true CN1190564A (en) | 1998-08-19 |
Family
ID=4235333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97120091A Pending CN1190564A (en) | 1996-10-14 | 1997-10-13 | Chair mechanism and pad coverings |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP0839478B1 (en) |
| JP (1) | JPH10257936A (en) |
| CN (1) | CN1190564A (en) |
| AT (1) | ATE223170T1 (en) |
| BR (1) | BR9705033A (en) |
| DE (1) | DE59708116D1 (en) |
| ES (1) | ES2182017T3 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101346080B (en) * | 2005-11-30 | 2010-10-13 | L&P资产管理公司 | Reclining chair assembly and mechanism for connecting back rest to base |
| CN102525161A (en) * | 2010-11-26 | 2012-07-04 | 荷兰商伍轮实业股份有限公司 | Chair structure and method of assembling the same |
| CN103957749A (en) * | 2011-08-03 | 2014-07-30 | 霍沃思公司 | Adjusting mechanism for setting a restoring force which acts on a backrest of a chair, and office chair having an adjusting mechanism of this type |
| CN104320995A (en) * | 2012-03-26 | 2015-01-28 | 须藤二三男 | Chair frame structure and manufacturing method thereof |
| CN105848525A (en) * | 2013-12-17 | 2016-08-10 | 多纳蒂股份公司 | Chair with adjustable backrest |
| CN106419239A (en) * | 2016-08-27 | 2017-02-22 | 永艺家具股份有限公司 | Adjustment structure of damping mechanism of seat back linked chair |
| CN113475884A (en) * | 2021-08-12 | 2021-10-08 | 浙江安吉荣艺家具有限公司 | Comfortable adjustable ergonomic office chair |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000022959A1 (en) * | 1998-10-20 | 2000-04-27 | Protoned B.V. | Chair mechanism |
| ATE243963T1 (en) * | 1999-04-20 | 2003-07-15 | Provenda Marketing Ag | ARMCHAIR MECHANICS |
| WO2000078185A2 (en) * | 1999-06-17 | 2000-12-28 | Steelcase Inc. | Chair construction |
| ATE352231T1 (en) | 2000-10-12 | 2007-02-15 | Vitra Patente Ag | STORAGE FOR ONE SEAT |
| JP4596625B2 (en) * | 2000-10-16 | 2010-12-08 | コクヨ株式会社 | Chair |
| JP4693293B2 (en) * | 2001-07-13 | 2011-06-01 | 株式会社イトーキ | Chair seat support mechanism |
| JP2004129751A (en) * | 2002-10-09 | 2004-04-30 | Honda Motor Co Ltd | Automobile seat |
| ITMI20030238A1 (en) * | 2003-02-11 | 2004-08-12 | Donati Spa | METHOD AND MECHANISM FOR THE REALIZATION OF OFFICE CHAIRS OR ARMCHAIRS |
| DE10309922A1 (en) * | 2003-03-07 | 2004-09-16 | Dauphin Entwicklungs- Und Beteiligungs-Gmbh | Chair, especially office chair |
| US20080067848A1 (en) | 2004-06-14 | 2008-03-20 | Egon Brauning | Chair Having A Synchronizing Mechanism |
| DK1985206T3 (en) * | 2006-02-15 | 2013-12-09 | Perez Vicente Berbegal | Office chair |
| ITVI20080057A1 (en) * | 2008-03-07 | 2009-09-08 | Moving S R L | ADJUSTMENT DEVICE FOR OFFICE CHAIR |
| CH701715A2 (en) | 2009-08-26 | 2011-02-28 | Vitra Patente Ag | Chair mechanism. |
| JP5085635B2 (en) * | 2009-12-28 | 2012-11-28 | コクヨ株式会社 | Chair |
| USD707976S1 (en) | 2013-06-07 | 2014-07-01 | Steelcase Inc. | Chair |
| USD706547S1 (en) | 2013-06-07 | 2014-06-10 | Steelcase Inc. | Chair |
| USD721529S1 (en) | 2013-06-07 | 2015-01-27 | Steelcase Inc. | Handle apparatus |
| USD703987S1 (en) | 2013-06-07 | 2014-05-06 | Steelcase Inc. | Chair |
| USD704487S1 (en) | 2013-06-07 | 2014-05-13 | Steelcase Inc. | Chair |
| USD703988S1 (en) | 2013-06-07 | 2014-05-06 | Steelcase Inc. | Chair |
| AU2020224628A1 (en) | 2019-02-21 | 2021-08-26 | Steelcase Inc. | Body support assembly and methods for the use and assembly thereof |
| US11357329B2 (en) | 2019-12-13 | 2022-06-14 | Steelcase Inc. | Body support assembly and methods for the use and assembly thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4429917A (en) * | 1981-04-29 | 1984-02-07 | Hauserman Inc. Int. Furniture & Textile Division | Chair |
| AU581120B2 (en) * | 1986-02-18 | 1989-02-09 | Sebel Furniture Limited | An article of furniture |
| WO1995034233A1 (en) * | 1994-06-10 | 1995-12-21 | Haworth, Inc. | Ergonomic chair |
-
1997
- 1997-10-06 AT AT97810743T patent/ATE223170T1/en not_active IP Right Cessation
- 1997-10-06 EP EP97810743A patent/EP0839478B1/en not_active Expired - Lifetime
- 1997-10-06 DE DE59708116T patent/DE59708116D1/en not_active Expired - Fee Related
- 1997-10-06 ES ES97810743T patent/ES2182017T3/en not_active Expired - Lifetime
- 1997-10-13 CN CN97120091A patent/CN1190564A/en active Pending
- 1997-10-14 JP JP9317579A patent/JPH10257936A/en active Pending
- 1997-10-14 BR BR9705033A patent/BR9705033A/en not_active Application Discontinuation
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101346080B (en) * | 2005-11-30 | 2010-10-13 | L&P资产管理公司 | Reclining chair assembly and mechanism for connecting back rest to base |
| CN102525161A (en) * | 2010-11-26 | 2012-07-04 | 荷兰商伍轮实业股份有限公司 | Chair structure and method of assembling the same |
| CN102525161B (en) * | 2010-11-26 | 2015-10-07 | 荷兰商伍轮实业股份有限公司 | Armchair structure and assembling method thereof |
| CN103957749B (en) * | 2011-08-03 | 2017-02-22 | 霍沃思公司 | Adjusting mechanism for setting a restoring force which acts on a backrest of a chair, and office chair having an adjusting mechanism of this type |
| CN103957749A (en) * | 2011-08-03 | 2014-07-30 | 霍沃思公司 | Adjusting mechanism for setting a restoring force which acts on a backrest of a chair, and office chair having an adjusting mechanism of this type |
| CN104320995A (en) * | 2012-03-26 | 2015-01-28 | 须藤二三男 | Chair frame structure and manufacturing method thereof |
| TWI617265B (en) * | 2012-03-26 | 2018-03-11 | 須藤二三男 | Frame structure of chair |
| CN105848525B (en) * | 2013-12-17 | 2019-05-03 | 多纳蒂股份公司 | Chair with adjustable backrest |
| CN105848525A (en) * | 2013-12-17 | 2016-08-10 | 多纳蒂股份公司 | Chair with adjustable backrest |
| CN106419239A (en) * | 2016-08-27 | 2017-02-22 | 永艺家具股份有限公司 | Adjustment structure of damping mechanism of seat back linked chair |
| CN106419239B (en) * | 2016-08-27 | 2023-12-26 | 永艺家具股份有限公司 | Adjusting structure of seat back linkage chair damping mechanism |
| CN113475884A (en) * | 2021-08-12 | 2021-10-08 | 浙江安吉荣艺家具有限公司 | Comfortable adjustable ergonomic office chair |
| CN113475884B (en) * | 2021-08-12 | 2022-08-12 | 浙江安吉荣艺家具有限公司 | Comfortable adjustable ergonomic office chair |
Also Published As
| Publication number | Publication date |
|---|---|
| DE59708116D1 (en) | 2002-10-10 |
| EP0839478B1 (en) | 2002-09-04 |
| ATE223170T1 (en) | 2002-09-15 |
| BR9705033A (en) | 1999-04-27 |
| ES2182017T3 (en) | 2003-03-01 |
| JPH10257936A (en) | 1998-09-29 |
| EP0839478A1 (en) | 1998-05-06 |
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