JPH1094449A - Seating appliance with collapsible support surface - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a seating appliance having callapsible support surface, capable of allowing an easy collapsible or expanding work, giving a small overall size in a collapsed state for small storage space, keeping a table or seat surface stable, and ensuring a good feeling for the use of a table or a feeling of comfort on a seat in an expanded state. SOLUTION: The seating appliance with collapsible support surface is equipped with a desk member 20 having at least one support face member with a top 21 and a bottom, first support legs 30 and 30 as a pair journalled to the bottom of the support member at a first position, and second support legs as a pair journalled to the bottom of the support face member at a second position, with the intermediate part journalled to an intermediate part between the first support legs 30 and 30. Also, the appliance is formed out of one of the support legs 30 and 30, and a seat unit 13 rotatably journalled to the bottom of the desk member 20.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the field of folding furniture in general, and more particularly, to a support surface member, a support leg,
The present invention relates to a seating device with a foldable support surface, such as a table or chair with table, having a new and unique combination with a seat member and a new and unique connection of a support surface member and a support unit for the seat member or unit.

[0002]

2. Description of the Related Art A conventional folding furniture structure can minimize a storage space when not in use, and a table or desk which can be easily deployed to a use state when used. It is difficult to create a foldable furniture such as a chair with a simple structure that is effective in the operation between the use state and the storage state, and can be stored compactly. Was. For this reason, the conventional folding furniture has a problem that the support surface member of the table, desk, chair or seat member lacks stability.

For example, benches and chairs with a folding table currently on the market are difficult to fold and assemble, and the outer shape is not so small even when folded, and is widely stored when not in use. There is a problem that space is required, and there is a problem that transportation is not easy.

[0004] Therefore, among parents of teachers and students who use a multipurpose classroom with limited space, children can use them for work, play, meals, study, etc.
There has been a long-awaited development of a folding table-equipped chair with a structure that is easy to disassemble and assemble and has excellent storage properties when not in use.

[0005] Furthermore, among shooting enthusiasts aiming at a target, development of a folding shooting bench equipped with a stable base for firearms and accessories and in a comfortable seating arrangement has been awaited.

[0006]

As described above, folding and unfolding operations can be performed easily, can be compactly stored at the time of storage, can be used for various purposes, and can be operated for a user. There has been a long-felt need for the development of improved collapsible support surface devices, such as table or desk-chair devices, with very stable support surface members for the torso. Therefore, it is an object of the present invention to provide such a device with a support surface.

[0007]

SUMMARY OF THE INVENTION The present invention comprises a desk member having at least one support surface member having a top surface and a bottom surface, a first pair of support legs pivotally secured at a first position to the bottom surface of the support surface member. A second support leg pair which is axially fixed at the second position to the bottom surface of the support surface member and an intermediate portion is axially fixed between the intermediate portion of the first support leg pair, one of these support leg pairs and a desk. The present invention relates to a seating device with a support surface, comprising: a seat unit that is rotatably fixed to a bottom surface of a member.

In one embodiment of the present invention, the at least one support surface member is a single support surface member, and the bottom surface of the support surface member has a pair of groove-shaped track portions, and the second support leg pair has The upper end is slidably and rotatably fixed to the groove-shaped raceway.

In the seating device with a support surface according to the present invention, the seat unit includes a seat member, and a pair of seat support arms, one end of which is fixed to the seat member and the other end of which is fixed to one support leg pair. ing. Here, "stop the shaft"
"A state" refers to a state in which it is mounted rotatably about a rotation axis, for example, like a hinge.

The seat unit also has means for holding the seat member in a horizontal position. Further, the seat unit also includes an inclined support member having one end fixed to the bottom surface of the desk member and the other end fixed to the pair of seat support arms, and the first support leg pair is provided in the second support leg pair. The seat support arm is sized to fit within the first support leg pair.

It is preferable that the seating device with a supporting surface of the present invention further comprises a spring means for urging the first and second pairs of support legs in a direction in which they are mutually opened. The spring means may be, for example, engaged between the first pair of support legs and the second pair of support legs, and open the first and second pair of support legs until the biasing force of the spring is released. It is conceivable that there is a relationship that acts to bias.

In the seating device with a support surface according to the present invention, the first pair of support legs is substantially longer than the second pair of support legs, and the second pair of support legs is substantially wider than the first pair of support legs. One supporting leg pair slightly protrudes downward, and the second supporting leg pair
The upper side slightly protrudes inward, and the lower side substantially protrudes outward.

In another embodiment of the present invention, at least one
One support surface member is composed of two support surface top halves, each support surface top half is urged against the table support arm pair, and each support surface top half is connected to the first and second support legs. The seat unit is pivoted in a rotatable relationship with the pair, and the seat unit comprises a pair of seat support arms pivoted on a pair of support legs.

Further, the seating device with a support surface according to the present invention, when deployed to use the seat unit, has a minimum of one.
And a support means associated with the sheet unit for holding the two sheet members in a horizontal position, the support means being pivoted at one end to a seat support arm and at the other end to a part of the table unit. The tilt support member has the other end axially fixed to one of the table support arms.

According to the present invention, at least one of the pair of support surface support arms, both of the pair of table support legs, and the pair of seat support arms have the same general outer shape and structure. Here, the same overall outer shape and structure include a generally narrow parallel portion, an intermediate portion extending outward, and a generally wide parallel portion, and a pair of a sheet support arm having a constant shape and a support surface having a constant shape. The support arm pair is located between one table support leg pair.

Further, according to the present invention, each support surface top plate half has
A pair of first and second pairs of support legs having a first pair of support legs and a second pair of support legs, the first pair of support legs being rotatably mounted in a rotatable relationship with the other pair of support legs; In addition to the support surface top plate half pair and the auxiliary leg assembly that is fixed to the two support leg pairs, each sheet member is also fixed to a rotatable relationship with one of the support leg pairs. A folding support surface seating device comprising a pair of seat members having means for holding the seat member in position relative to one of the pair of support legs, wherein the auxiliary leg assemblies are pivoted relative to one another. A pair of relatively short leg members, each of which comprises a pair of shaped leg elements.

One of the pair of fixed-shaped leg elements has a size that fits into the other of the pair of fixed-shaped leg elements, and each support surface top plate half firmly fixes the outer end to the inner end. Are provided on one of the pair of support legs, and the outer ends of the support arms of each support surface top half substantially overlap the inner ends of the mutual support arms.

According to the present invention, when one of the pair of support legs is long so as to extend longer than the table unit, the seat unit is axially fixed so as to be rotatable with the pair of long support legs. Can be conveniently separated from the overhang of the table unit.
The other of the pair of support legs has a shaft element slidable and rotatable with a track element disposed below the table unit, that is, a track portion. It is biased and can be conveniently arranged to move open.

Further, according to the present invention, when both support leg pairs are long and extend longer than the table unit, the seat unit which is rotatably fixed to the long support leg pair so as to be rotatable. , Can be conveniently separated from the overhang of the table unit. Furthermore, the seating device with a support surface of the present invention is suitable for storage and transportation.
It is designed and shaped to accommodate adjacent portions of the instrument to a convenient minimum size. Also, the supporting arms and legs of the seating device with the support surface are spaced from each other so as not to interfere with each other or to be caught by surrounding each other, so that the external shape of the seating device with the support surface is reduced. It is.

In any of the embodiments, the seating device with a foldable support surface such as a desk or a table / chair device, which is the basis of the present invention, is provided on a support surface unit such as a table unit or a desk unit and a table or desk unit. It has a table or desk supporting unit fixed to a shaft, and a seat unit fixed to the table or desk supporting unit. This support unit comprises two pairs of pivoted support legs that make up the main support structure of the instrument.

The supporting surface, table and desk used here can be replaced and used, and seats, benches and chairs can be replaced and used.

Accordingly, in a first preferred embodiment of the present invention, a seating device with a support surface comprises an integrated desk member having a top surface and a bottom surface, and a first support member fixedly secured to the bottom surface of the desk member at a fixed position. A pair of legs, a second pair of support legs axially secured to the bottom surface of the desk member in the movable position, and an intermediate portion axially secured between the intermediate portion of the first pair of support legs, and one of the pair of support legs And a seat unit that is rotatably secured to the bottom surface of the desk member.

In a second preferred embodiment of the invention, the folding support surfaced seating device comprises two table top halves, each table top half being mounted for engagement with a table support arm. A table unit, a table support unit including a first pair of support legs and a second pair of support legs, and the support legs are mutually fixed, and each table top half is rotatable with one of the pair of support legs. At least one with a pair of seat support arms secured to one of the pair of support legs.
It comprises a support unit having one sheet member, and means relating to the sheet unit for holding at least one sheet member in a horizontal position when the sheet unit is deployed in use.

[0024]

BRIEF DESCRIPTION OF THE DRAWINGS The above and other features of the present invention will become more apparent from the following description of preferred embodiments of the invention, and in particular with reference to the drawings.

FIG. 1 shows the entirety of a seating device with a foldable support surface according to a first embodiment of the present invention. Generally, the seating device 10 with a support surface is
It comprises a desk unit 11, a desk support unit 12, and a seat unit 13. These units will be described below in order.

As shown in FIGS. 1 to 4, the desk unit 1
1 is a substantially rectangular integrated desk member 20 having an upper surface 21
And a bottom surface 22 having a pair of elongated groove-shaped orbital portions 23 arranged parallel to each other and spaced from each other.
The purpose and function of the groove-shaped track portion pair 23 will be described below.

As is apparent from FIGS. 3 and 4, the desk support unit 12 is engaged with the bottom surface 22 of the desk member 20.
It is composed of a first pair of support legs 30, 30 and a second pair of support legs 31, 31, which are fixed to each other by shaft stoppers 32, 32 located near their respective middles.

The first pair of support legs 30, 30 has an upper end 33.
Are rotatably fixed to the bottom surface 22 of the desk member 20. The second pair of support legs 31, 31 has upper ends 34, 34 thereof.
Are slidably and rotatably fixed in the grooved track portion 23, and the reason will be described in more detail.
As can be seen from FIG. 3, the first pair of support legs 30, 30 is substantially straighter and longer than the second pair of support legs 31, 31. The upper and middle portions of the first support legs 30, 30 are relatively narrowly spaced and parallel to each other. The lower portions of the first pair of support legs 30, 30 slightly project outward and are connected to each other by relatively short cross members 35.

As further shown in FIG. 3, the second pair of support legs 31, 31 has a structure having an intermediate portion slightly projecting inward and a lower portion substantially projecting outward. The lower portion of the pair of legs 31, 31 is an elongated portion having an intermediate portion curved outwardly in such a size that the lower portion of the first pair of support legs 30, 30 can be received when the seating device 10 with the support surface is folded. They are interconnected by a crossbar member 36 having a shape.

As shown in FIGS. 3 and 4, the seat unit 13 generally has its outer end securely fixed to the seat member 40 and its inner end at 42, 42 at the first support leg pair. It comprises a sheet member 40 having a pair of sheet support arms 41, 41 of a fixed shape fixed to the intermediate portion of 30, 30.

Further, the seat unit 13 has a lower end portion pivotally fixed to an intermediate portion between the pair of sheet support arms 41, 41 having a predetermined shape, and an upper end portion 45 at the bottom surface 22 of the desk member 20.
An inclined support member 43 is also provided.

Here, in the first preferred embodiment of the present invention shown in FIG. 4, the upper end portions of the inclined support members 43 and the upper end portions of the first pair of support legs 30, 30 are fixed to the desk member 20. Are formed via a pair of intermediate forming support arms 50, 50 securely fixed to the bottom surface 22 of the base. On the other hand, the pair of intermediate forming support arms 50, 50 are provided mainly to support the desk member 20 with rigidity. Individual conventional rotatably supported structures (not shown) can also be used and are within the teachings of the present invention.

Still referring to FIG. 4, the first pair of support legs 30 and 30 and the second pair of support legs 31 and 31 are usually in contact with each other so as to act on the adjacent pair of support legs at the shaft stop 32. The spring element pair 38 facilitates the operation of deploying the seating device 10 with the support surface from the folded state shown in FIGS. 2 and 7 to the use state shown in FIGS. 5 and 6. It can be seen that the arrangement is as follows.

Further, the handle member 60 is firmly attached to the bottom surface 22 of the desk member 20 to facilitate the transportation of the seating device 10 with a support surface. Stop element pair 2
5 and 25 are arranged on the side of the open end of the groove-shaped track portion pair 23, 23, and the second support leg pair 31 is connected to the groove-shaped track portion pair 2.
3 and 23.

As best understood by referring to FIGS. 1 to 3, when the first pair of support legs 30, 30 is arranged in use, the seat unit 13 needs to be protruded from the desk member 20. For this simple reason, it is substantially longer than the second pair of support legs 31. Further, the upper ends of the first pair of support legs 30, 30 are connected to the bottom surface 22 of the desk member 20 in the form of a straight shaft, and the upper ends of the second pair of support legs 31, 31 are grooved track portions. Since the second support leg pair 31 is slidably and rotatably fixed in the inside 23, the second support leg pair 31, 31 can be moved from the storage position shown in FIG. 3 or FIG.
Can be changed to the use position.

When the seating device 10 with a supporting surface is completely folded as shown in FIG.
The thickness of zero is equal to the sum of the thickness of the outer second support leg pair 31 and the desk member 20. This very slim profile is made possible by the unique slidable and rotatable axle provided by the nested configuration of the components shown in FIGS.

Since the main purpose and function of the seating device 10 with a supporting surface is achieved in a classroom, the present invention is not limited to FIG.
It is also possible to attach a removable and / or retractable privacy screen 60 as shown in phantom lines in FIG.

FIG. 8 shows a seating device with a foldable support surface according to a second embodiment of the present invention by reference numeral 110. The seating device 110 with a support surface includes a table unit 111 and a table support unit 112.
And a seat unit 113. The units 111 to 113 will be described below in order.

As shown in FIGS. 8 to 12, the table unit 111 includes a pair of table top halves 120 and 121, and one of the table top halves 120 has a substantially linear first table support arm positioned outside. The other table top half 1 is firmly fixed to the outer end of the pair 122.
Reference numeral 21 is firmly fixed to the outer end of the second table support arm pair 123.

Further, as best seen with reference to FIG. 12, the outer ends of the first pair of table support arms 122 and the second pair of table support arms 123 substantially overlap with the inner ends of the table, and Top plate half 120, 12
1 is a substantially lower support.

Here, the table top plate halves 120, 12
A track portion (not shown) is formed on the first table support arm 122 and the second table support arm 123 on the lower side of 1, and the first support leg 132 and the second support leg 133 slide through the track portion. It is rotatably and rotatable.
As a result, when a force is applied in a direction in which the table top halves 120 and 121 are bent, the table top half 120
And 121 move in a direction away from each other, and a shaft stopper between the second table support arm 123 and the first support leg 132 and the first table support arm 122 The shaft stopper between the second support leg 133 and the second support leg 133 is protruding, and finally, FIG.
1. The storage mode is as shown in FIG.

Referring to FIG. 10 to FIG. 12, the table support unit 112 includes an elongated first support leg pair 132 located on the outside and a second support leg pair 133 located on the inside. The second pair of support legs 132 and 133 are
It can be seen that the shaft 131 is fixed to each other. Further, each pair of the first and second support legs 132, 133 has a protruding portion spaced apart near the lower end. The lower end of each of the first and second pair of support legs 132, 133 is provided with a reinforcing cross member 134, and the handle member 135 is disposed on a cross bar 136 extending between the upper portions of the second support leg pair 133. is there.

As best seen with reference to FIGS. 11 and 14, the free ends of the substantially straight pair of support arms 122 are journaled to the upper ends of the long pair of second support legs 133, The free ends of the table support arm pair 123 are fixed to the upper ends of the first support leg pairs 132.

As shown in FIGS. 8 to 12, the seat unit 113 is composed of a pair of sheet members 140, and each of the sheet members 140 is firmly fixed to the outer end of the pair of sheet support arms 141. The inner end of the arm 141 is fixed to the first and second support legs 132 and 133, respectively. Further, the inclined support member 142 has a lower end pivotally fixed to an intermediate portion of the seat support arm 141 and an upper end pivotally fixed to the first table support arm 122.

As best seen with reference to FIGS. 10 to 14, first and second pairs of support legs 132, 133 are provided.
Seat support arm 141, second table support arm 1
23 have substantially the same overall structure with a somewhat narrow parallel portion, an outwardly extending intermediate portion, and a generally wide parallel portion, wherein each member comprises a seating device 110 with a support surface.
The dimensions and design are such that they cooperate in a generally nested manner to minimize the outer shape of the storage space.

That is, the upper part of the inclined support member 142 is located between the second table support arms 123. The second table support arm 123 fits between the seat support arm 141 and the first support leg 132. The relatively long first support leg 132 fits between the relatively short second support legs 133. Further, as shown in FIG.
When the is folded, all the support arms and the support legs, together with the inclined support members, have the same width, and all the shaft stoppers are vertically aligned.

Therefore, the total thickness of the seating device with the supporting surface of this preferred embodiment is the same as that of the first and second supporting legs 132, 13.
3 is equal to the sum of the thickness of both table top halves 120 and 121, and the seating device with a support surface which is the basis of the present invention naturally has the outer shape during storage among the two-part folding table. It is the smallest achievable.

In yet another embodiment of the preferred embodiment shown in FIGS. 13 and 14, namely the third embodiment, the structural difference is that the auxiliary leg assembly 150 comprises a relatively short pair of auxiliary leg members 151,152. Yes, auxiliary leg members 151, 1
52 has a lower end part fixed to each other, and an upper end part
First and second support legs 132 of the seat support arm 141,
133, the first and second support leg pairs 1
The shafts are fixed to 32 and 133.

Each of the auxiliary leg members 151 and 152
The auxiliary leg member 151 includes a pair of leg portions, and the pair of leg portions of the auxiliary leg member 151 has dimensions that fit within the pair of leg portions of the auxiliary leg member 152.

Further, the seating device with a support surface according to the preferred embodiment of the present invention shown in FIGS. 8 to 12 is for children, and the seating device with another support surface shown in FIG. 13 is for adults. Yes, it requires the presence of the auxiliary leg assembly 150. Further, as shown by the dashed line in FIG. 10, the present invention can also provide a stepped shoulder 138 on each of the first and second support leg pairs 132 and 133, in which case, The shoulder 138 can be used as a footrest for the user.

The present invention has been described above. However, the present invention has been made in light of the above teachings, and contains many substitutions, modifications, and alterations.
It can be deformed. Accordingly, as set forth in the above teachings and descriptions, the present invention is limited only by the scope of the appended claims.

[0052]

As described above, according to the present invention, it is possible to easily perform folding and unfolding operations, and to obtain a seating device with a supporting surface which requires a small external shape when folded and requires a small storage space. be able to. Further, according to the present invention, it is possible to obtain a seating device with a support surface that has a stable table surface and seat surface, and has a comfortable use of the table when deployed and a comfortable seating of the seat.

[Brief description of the drawings]

FIG. 1 is a perspective view of a seating device with a support surface according to a first embodiment of the present invention.

FIG. 2 is a front plan view of the seating device with a support surface in a folded state.

FIG. 3 is a rear plan view of the seating device with a support surface in a folded state.

FIG. 4 is an enlarged detailed view of an upper portion of the table support unit.

FIG. 5 is a rear view of the seating device with a support surface in a used state.

FIG. 6 is a front view of the seating device with a support surface in a used state.

FIG. 7 is a side view of the seating device with a support surface in a folded state.

FIG. 8 is a perspective view of a second embodiment of a seating device with a support surface which is the basis of the present invention deployed in a state of use.

FIG. 9 is a side view of the seating device with a support surface of the second embodiment in a folded state.

FIG. 10 is a front view of a seating device with a support surface according to a second embodiment in use.

FIG. 11 is a front view of the seating device with a support surface of the second embodiment in a folded state.

FIG. 12 is a perspective view from below of a seating device with a support surface according to a second embodiment in use.

FIG. 13 is a perspective view of a seating device with a support surface according to a third embodiment.

FIG. 14 is a side view of the seating device with a support surface of the third embodiment in a folded state.

[Explanation of symbols]

 Upper surface 21 Lower surface 22 Desk member 20 First support leg pair 30, 30 Second support leg pair 31, 31, Seat unit 13 Groove type track portion pair 23, 23 Spring means 38 Seat member 40 Seat support arm pair 41, 41 Inclined support member 43

Claims (10)

[Claims] A desk member having at least one support surface member having a top surface and a bottom surface; a first pair of support legs fixed to a bottom surface of the support surface member at a first position; and a support surface member at a second position. A second support leg pair which is pivotally fixed to the bottom surface of the first support leg pair and an intermediate portion of which is pivoted between the intermediate portion of the first support leg pair, and a rotatable relationship with one of the support leg pairs and the bottom surface of the desk member; And a seat unit fixed to the seat such that the seating device has a folding support surface. 2. The seating device with a foldable support surface according to claim 1, wherein there is one support surface member. 3. A bottom surface of the support surface member includes a pair of groove-shaped track portions, and an upper end portion of the second pair of support legs is slidably and rotatably fixed to the groove-shaped track portion. The seating device with a foldable support surface according to claim 2. 4. A seat unit comprising: a seat member; and a pair of seat support arms, one end of which is fixed to the seat member and the other end of which is axially fixed to one of the pair of support legs. A seating device with a foldable support surface as described. 5. The seating device according to claim 4, wherein the seat unit further includes an inclined support member having one end fixed to the shaft and the other end fixed to the pair of seat support arms. 6. A relationship between the first and second pair of support legs that acts to bias the first and second pair of support legs to a position where the biasing force of the spring is released. 4. The apparatus according to claim 3, further comprising a spring means.
A seating device with a foldable support surface as described. 7. The seat with a foldable support surface according to claim 4, wherein the first pair of support legs is sized to fit within the second pair of support legs, and the seat support arm is within the first pair of support legs. Appliances. 8. The first pair of support legs is substantially longer than the second pair of support legs, the second pair of support legs is substantially wider than the first pair of support legs, and is below the first pair of support legs. 3. A seat with a foldable support surface according to claim 2, wherein the portion is slightly outwardly projecting, and the second pair of support legs is provided with a slightly inwardly projecting upper portion and a substantially outwardly projecting lower portion. Appliances. 9. The support surface member includes two support surface top halves, wherein each support surface top half is engaged with a pair of table support arms, and each support surface top half is connected to the first and second table top halves. 2. The folding seat-surfaced seating device according to claim 1, wherein the seating device is fixed so as to be rotatable with the pair of support legs. 10. The seat unit has a pair of support arms fixed to a pair of support legs.
A seating device with a foldable support surface as described.