DE2340919A1 - Plastics corrugated spring suspension for chairs, sofas etc. - comprises base member contg. corrugated springs attached to chair - Google Patents
Plastics corrugated spring suspension for chairs, sofas etc. - comprises base member contg. corrugated springs attached to chairInfo
- Publication number
- DE2340919A1 DE2340919A1 DE19732340919 DE2340919A DE2340919A1 DE 2340919 A1 DE2340919 A1 DE 2340919A1 DE 19732340919 DE19732340919 DE 19732340919 DE 2340919 A DE2340919 A DE 2340919A DE 2340919 A1 DE2340919 A1 DE 2340919A1
- Authority
- DE
- Germany
- Prior art keywords
- flange
- spring
- base member
- openings
- springs
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000725 suspension Substances 0.000 title abstract 3
- 229920003023 plastic Polymers 0.000 title description 6
- 239000004033 plastic Substances 0.000 title description 6
- 210000003746 feather Anatomy 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 235000008694 Humulus lupulus Nutrition 0.000 description 1
- 244000025221 Humulus lupulus Species 0.000 description 1
- 229920002457 flexible plastic Polymers 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/02—Seat parts
- A47C7/24—Upholstered seats
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C23/00—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases
- A47C23/002—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases with separate resilient support elements, e.g. elastomeric springs arranged in a two-dimensional matrix pattern
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/02—Seat parts
- A47C7/34—Seat parts with springs in compression, e.g. coiled
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/02—Seat parts
- A47C7/34—Seat parts with springs in compression, e.g. coiled
- A47C7/347—Seat parts with springs in compression, e.g. coiled with means for connecting springs to each other or to seat frame
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
- F16F1/42—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by the mode of stressing
- F16F1/422—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by the mode of stressing the stressing resulting in flexion of the spring
- F16F1/424—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by the mode of stressing the stressing resulting in flexion of the spring of membrane-type springs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2236/00—Mode of stressing of basic spring or damper elements or devices incorporating such elements
- F16F2236/02—Mode of stressing of basic spring or damper elements or devices incorporating such elements the stressing resulting in flexion of the spring
- F16F2236/022—Mode of stressing of basic spring or damper elements or devices incorporating such elements the stressing resulting in flexion of the spring of membrane-type springs
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S297/00—Chairs and seats
- Y10S297/08—Inflatable bellows
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Child & Adolescent Psychology (AREA)
- Mechanical Engineering (AREA)
- Springs (AREA)
- Mattresses And Other Support Structures For Chairs And Beds (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
Description
PATENTANWÄLTEPATENT LAWYERS
MÜNCHEN 22 ■ WIDENMAYERSTRASSE 49 1 BERLIN-DAHLEM 33-PODBIELSKIALLEE68 MUNICH 22 ■ WIDENMAYERSTRASSE 49 1 BERLIN-DAHLEM 33-PODBIELSKIALLEE68
BERLIN: DIPL.-ING. R. MÜLLER-BÖRNER MÜNCHEN: DIPL.-ING. HANS-H. WEY BERLIN: DIPL.-ING. R. MÜLLER-BÖRNER MUNICH: DIPL.-ING. HANS-H. WEY
2k 956 2k 956
HERCULES INCORPORATED,
Wilmington, Delaware,HERCULES INCORPORATED,
Wilmington, Delaware,
USAUnited States
Federeinrichtung für einen Sessel
oder ein SofaSpring device for an armchair
or a sofa
Die Erfindung betrifft eine Federeinrichtung für einen
Sessel oder ein Sofa.The invention relates to a spring device for a
Armchair or sofa.
Aufgabe der Erfindung ist die Schaffung einer wirtschaftlich herstellbaren, einfachen Federeinrichtung.The object of the invention is to create an economical manufacturable, simple spring device.
Erfindungsgemäss ist eine gewellte Federeinrichtung aus
Kunststoff vorgesehen.According to the invention, a corrugated spring device is made
Plastic provided.
Die Erfindung ist im folgenden anhand der Zeichnung beispielsweise beschrieben; in dieser zeigt:The invention is exemplified below with reference to the drawing described; in this shows:
Fig. 1 eine Seitenansicht eines Sessels, die zur Veranschaulichung
einer Federeinrichtung geschnitten
ist;Fig. 1 is a side view of an armchair, cut to illustrate a spring device
is;
509809/0069509809/0069
Fig, 2 eine Aufsicht der Federeinrichtung, die zur Veranschaulichung der oberen Oberfläche einer Basisschale teilweise geschnitten ist;Fig, 2 is a plan view of the spring device used for An illustration of the top surface of a base shell is partially cut away;
Fig* 3 eine Ansicht von unten einer Feder;Fig. 3 is a view from below of a spring;
Fig. 4 eine vergrösserte Ansicht einer Öffnung in der Bas iss chale;FIG. 4 is an enlarged view of an opening in FIG the bas iss chale;
Figo 5 eine Ansicht von unten des Flansches der Feder, der anfänglich in eine Öffnung der Basisschale eingesetzt ist;Figure 5 is a bottom plan view of the flange of the spring initially inserted into an opening in the base shell;
Fig. 6 eine Ansicht von unten des Flansches, nachdem er an der unteren Oberfläche der Basisschale vollständig lokalisiert ist; undFigure 6 is a bottom plan view of the flange after it is fully located on the lower surface of the base shell; and
Fig. 7 eine teilweise Schnittansicht entlang Linie 7-7 in Fig. 2.Fig. 7 is a partial sectional view taken along a line 7-7 in Fig. 2.
Nach Fig. 1 ist eine Vielzahl von Kunststoffedern 12 in einen Sessel 10 eingesetzt. Nach Fig. 2 umfasst der Sessel einen Rahmen mit vier Seitengliedern 14, 16, 18 und 20. Eine geformte bzw. gegossene Tragschale oder ein solches Basisglied 22 ist vorgesehen, welche bzw. welches Seitenwände 24, 26, 28 und 30» eine Bodenwand und ein Paar von Flanschen "}h und 36, die integral mit dem oberen Teil der Wand 30 bzw. 26 vorgesehen sind und. sich von diesen nach aussen erstrecken, umfasst. Diese Schale kann aus irgendeinem Material bestehen, sie besteht jedoch bevorzugt aus Kunststoff. Der Boden umfasst vier Plattformen 32, von denen jede von der anderen durch einen angehobenen, im allgemeinen. V-förmigen Verstärkungssteg 35 getrennt ist. Jede Plattform weist vierAccording to FIG. 1, a large number of plastic springs 12 are inserted into an armchair 10. According to Fig. 2, the armchair comprises a frame with four side members 14, 16, 18 and 20. A molded support shell or base member 22 is provided which has side walls 24, 26, 28 and 30 »a bottom wall and a pair of flanges "h} and 36 which are provided integrally with the upper part of the wall 30 and 26 and extend outwardly from it after. covers. This shell may be made of any material, but preferably consists of plastic. The floor comprises four platforms 32, each of which is separated from the other by a raised, generally V-shaped reinforcement web 35. Each platform has four
509809/0069509809/0069
mit gleichem Abstand voneinander angeordnete Öffnungen 38 auf« Die Öffnungen 38 sind im allgemeinen kreisförmig ausgebildet, wobei deren Umfang in einen sich radial erstreckenden geschlitzten Teil 40 übergeht.Equally spaced openings 38 The openings 38 are generally circular, the circumference of which merges into a radially extending slotted part 40.
Jede Kunststoffeder umfasst eine gewellte dünne rohrförmige Wand, die in einem Ringflansch 42 an deren Boden endet. Der Flansch 42 weist einen sich radial erstreckenden geschlitzten Zwischenraum 44 in sich auf. Ein ringförmiger Zwischenraum zwischen der bodennächsten Wellung 48 und dem Ringflansch ist etwa gleich der Dicke der Bodenplattform 32 der Tragschale 22 vorgesehen. Die Breite des Schlitzes 44 ist geringfügig grosser als die Dicke der Schalenplattform 32, um diese durch den Schlitz aufzunehmen, und die Breite des Schlitzes 40 ist geringfügig grosser als die Dicke des Federflansches 42, um diesen zwischen sich aufzunehmen,Each plastic spring comprises a corrugated thin tubular shape Wall that ends in an annular flange 42 at the bottom. The flange 42 has a radially extending slit Gap 44 in itself. An annular space between the corrugation 48 closest to the bottom and the annular flange is provided approximately equal to the thickness of the floor platform 32 of the support shell 22. The width of the slot 44 is slight greater than the thickness of the shell platform 32 to this through the slot, and the width of the slot 40 is slightly larger than the thickness of the spring flange 42 to take this between you
Die Länge des Schlitzes 44 ist zumindest gleich der Breite des Flansches 42 und die Breite des Schlitzes 40 zumindest gleich der Länge des Flansches 42.The length of the slot 44 is at least equal to the width of the flange 42 and the width of the slot 40 at least equal to the length of the flange 42.
Die Feder wird an der Sohale angebracht, indem der Flansch 42 gegen die obere Oberfläche der Plattform 32 angeordnet und die Schlitze 40 und 44 näherungsweise 120° voneinander gefluchtet werden, Bine Kante 48 des Schlitzes 44 kann unter der Oberfläche des Umfangs der Öffnung 38 angeordnet werden, wobei ein entsprechender Teil des Flansches zwischen der Kante 48 des Schlitzes 44 und der Kante 50 des Schlitzes sich unter der Kante der Öffnung befindet und der Teil des Flansches zwischen der Kante 52 des Schlitzes 40 und der Kante 54 des Schlitzes 44 über der entsprechenden Kante der Öffnung 38 liegt. Der Teil des Flansches zwischen den Kanten 52 und wird dann vollständig unter die entsprechende Kante der Öffnung 38 gedrückt, so dass er die in Fig. 5 dargestellteThe spring is attached to the sole by placing the flange 42 against the top surface of the platform 32 and slots 40 and 44 approximately 120 degrees from each other be aligned, Bine edge 48 of slot 44 can be located below the surface of the perimeter of opening 38, a corresponding portion of the flange being between the edge 48 of the slot 44 and the edge 50 of the slot is below the edge of the opening and the portion of the flange between the edge 52 of the slot 40 and the edge 54 of the slot 44 lies above the corresponding edge of the opening 38. The portion of the flange between edges 52 and is then pressed completely under the corresponding edge of the opening 38, so that it is the one shown in FIG
-4-509809/0069 -4-509809 / 0069
Stellung einnimmt ο Die Feder wird entgegen dem Uhrzeigersinn gedreht, so dass der Teil des Flansches auf der Oberseite der Öffnung durch die Kante $2 unter den Umfang der Öffnung nach Art einer Nockenbewegung geführt wird, bis der gesamte Flansch sich unter der Kante der Öffnung 38 und der Bodenfläche der Plattform 32 befindet. Wie oben ausgeführt worden ist, ist der Zwischenraum 46 zwischen der Bodenwellung 48 und dem Flansch 42 etwa gleich der Dicke der Plattformwand 32 und somit ist ein Passitz bzw. Festsitz zwischen der Feder und der Schale vorgesehen.Position o The spring is turned counterclockwise so that the part of the flange on the top of the opening is guided by the edge $ 2 under the circumference of the opening in the manner of a cam movement until the entire flange is under the edge of the opening 38 and the bottom surface of the platform 32 is located. As stated above, the space 46 between the undulation 48 and the flange 42 is approximately equal to the thickness of the platform wall 32 and thus an interference fit is provided between the spring and the shell.
Die Oberseiten jeder Feder sind untereinander durch ein flexibles Plastikglied 100 verbunden, das eine Vielzahl von Öffnungen 102 für die Aufnahme einer Oberseite einer zugeordneten Feder durch diese aufweist. Jede der Federn 12 weist eine kreisförmige ebene Oberfläche IO3 an ihrer Oberseite auf, die in eine ringförmige abgeschrägte Kante 104 übergeht, wobei der Bodenteil 106 der Kante 104 im Durchmesser im allgemeinen gleich dem Durchmesser der Öffnung 102 ist. Jede Feder wird in die flexible Folie 100 eingeschnappt, indem die Kante der Öffnung 102 gemäss einer Nockengewegung an dem Boden IO6 der abgeschrägten Kante 104 vorbeigeführt wird, um eine Verriegelung zwischen der Feder und der Folie vorzusehen. Der kreisförmige Hals 108 der Feder weist etwa den gleichen Durchmesser wie die Öffnung 102 auf, um einen Passitz bzw. Festsitz zwischen der Feder 12 und dem flexiblen Glied 100 vorzusehen. Die Folie 100 ist genügend flexibel, so dass jede Feder unabhängig von der anderen zusammengedrückt und eine seitliche Bewegung der Federn zueinander möglich ist, sie ist jedoch genügend starr, um zu verhindern, dass die Federn aneinander anstossen. Die normale Unterpolsterung und Abdeckung 110The tops of each feather are interconnected by a flexible plastic member 100, which has a plurality of openings 102 for receiving a top surface of a has associated spring through this. Each of the springs 12 has a circular flat surface IO3 on its Top, which merges into an annular beveled edge 104, the bottom part 106 of the edge 104 in the The diameter is generally equal to the diameter of the opening 102. Each spring is snapped into the flexible film 100, by moving the edge of the opening 102 in a cam motion moved past the bottom IO6 of the beveled edge 104 to provide an interlock between the spring and the foil. The circular neck 108 of the The spring has approximately the same diameter as the opening 102 to provide a snug fit between the Provide spring 12 and the flexible member 100. The film 100 is flexible enough so that each spring is independent compressed by the other and a lateral movement of the springs towards each other is possible, but it is sufficiently rigid to prevent the springs from hitting one another. The normal underpadding and cover 110
-5--5-
509809/0069509809/0069
wird auf die Oberseite der flexiblen Folie 100 gelegt und an die Rahmenglieder 14, 16, 18 und 20 angeklammert. Ein Kissen 112 wird auf die Oberseite der Unterpolsterung 110 gelegt. Die Federeinrichtung arbeitet in der gleichen Weise wie eine Schraubenfederanordnung, die durch die Kunststofffedern ersetzt wird.is placed on top of the flexible film 100 and clipped to frame members 14, 16, 18 and 20. A Pillow 112 is placed on top of the lower padding 110 placed. The spring device works in the same way like a coil spring assembly that is made by the plastic springs is replaced.
Während nur eine Federanordnung bzw, »einrichtung dargestellt ist, können mehr als eine Einrichtung in einem Sessel oder Sofa benutzt werden, indem eine Einrichtung neben der anderen in demselben Rahmen angeordnet wird.While only one spring arrangement or »device is shown More than one piece of furniture can be used in an armchair or sofa, placing one piece of furniture next to the other placed in the same frame.
509809/0069509809/0069
Claims (4)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00254267A US3765038A (en) | 1972-05-17 | 1972-05-17 | Plastic spring assembly connected to a support tray |
CA171,560A CA954240A (en) | 1972-05-17 | 1973-05-16 | Plastic spring assembly connected to a support tray |
GB3782973A GB1442431A (en) | 1972-05-17 | 1973-08-09 | Plastic spring assembly connected to a support tray |
DE19732340919 DE2340919A1 (en) | 1972-05-17 | 1973-08-13 | Plastics corrugated spring suspension for chairs, sofas etc. - comprises base member contg. corrugated springs attached to chair |
CH1187973A CH579726A5 (en) | 1972-05-17 | 1973-08-17 | |
FR7330664A FR2241724A1 (en) | 1972-05-17 | 1973-08-20 | Plastics corrugated spring suspension for chairs, sofas etc. - comprises base member contg. corrugated springs attached to chair |
BE134795A BE803850A (en) | 1972-05-17 | 1973-08-21 | PLASTIC SPRING KIT |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00254267A US3765038A (en) | 1972-05-17 | 1972-05-17 | Plastic spring assembly connected to a support tray |
GB3782973A GB1442431A (en) | 1972-05-17 | 1973-08-09 | Plastic spring assembly connected to a support tray |
DE19732340919 DE2340919A1 (en) | 1972-05-17 | 1973-08-13 | Plastics corrugated spring suspension for chairs, sofas etc. - comprises base member contg. corrugated springs attached to chair |
CH1187973A CH579726A5 (en) | 1972-05-17 | 1973-08-17 | |
FR7330664A FR2241724A1 (en) | 1972-05-17 | 1973-08-20 | Plastics corrugated spring suspension for chairs, sofas etc. - comprises base member contg. corrugated springs attached to chair |
BE134795A BE803850A (en) | 1972-05-17 | 1973-08-21 | PLASTIC SPRING KIT |
Publications (1)
Publication Number | Publication Date |
---|---|
DE2340919A1 true DE2340919A1 (en) | 1975-02-27 |
Family
ID=43837719
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19732340919 Pending DE2340919A1 (en) | 1972-05-17 | 1973-08-13 | Plastics corrugated spring suspension for chairs, sofas etc. - comprises base member contg. corrugated springs attached to chair |
Country Status (7)
Country | Link |
---|---|
US (1) | US3765038A (en) |
BE (1) | BE803850A (en) |
CA (1) | CA954240A (en) |
CH (1) | CH579726A5 (en) |
DE (1) | DE2340919A1 (en) |
FR (1) | FR2241724A1 (en) |
GB (1) | GB1442431A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008041868A3 (en) * | 2006-10-04 | 2008-07-31 | Formway Furniture Ltd | A chair |
USD613084S1 (en) | 2008-12-12 | 2010-04-06 | Formway Furniture Limited | Chair |
USD615784S1 (en) | 2008-04-09 | 2010-05-18 | Formway Furniture Limited | Chair back |
USD616213S1 (en) | 2008-04-09 | 2010-05-25 | Formway Furniture Limited | Chair |
DE202019106271U1 (en) * | 2019-11-11 | 2021-02-15 | Diemer & Dr. Jaspert GbR (vertretungsberechtigter Gesellschafter: Herr Dr. Bodo F. Jaspert, 85630 Grasbrunn) | Spring base to support a mattress or an upholstery element |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH681950A5 (en) * | 1989-06-08 | 1993-06-30 | Superba Sa | |
US5253377A (en) * | 1992-03-11 | 1993-10-19 | Larson Lynn D | Waterbed mattress with bellows spring insert |
AT405481B (en) | 1997-12-10 | 1999-08-25 | Franz Ing Kutschi | SPRING CORE |
US6739672B2 (en) * | 2002-08-21 | 2004-05-25 | L&P Property Management Company | Spring-edge furniture construction |
DE202005008533U1 (en) * | 2005-05-30 | 2005-08-25 | Hartmann, Siegbert | Spring for use e.g. in mattresses, comprises hollow molding with bellows structure and support plate mounted on its top by plug on its underside which fits through into molding and tube sections mounted on film hinges |
CN102481056B (en) | 2009-08-06 | 2015-01-07 | 美梦有限公司 | Systems And Methods For Cushion Supports |
DE102012218440B4 (en) * | 2012-10-10 | 2015-07-23 | Continental Automotive Gmbh | pneumatic element |
CN106419286A (en) * | 2016-09-28 | 2017-02-22 | 成都柒柒家祥科技有限公司 | Filler and sofa |
US10973340B2 (en) | 2017-11-15 | 2021-04-13 | Starsprings Ab | Pocket mattress comprising openings in the casing material |
BR112020007481B1 (en) * | 2017-11-15 | 2022-12-20 | Starsprings Ab | SPRING MATTRESS, DEVICE TO REQUEST HELICAL SPRINGS, AND METHOD FOR MANUFACTURING A SPRING MATTRESS |
EP3485766B1 (en) * | 2017-11-15 | 2024-05-15 | Starsprings AB | Pocket-spring mattress comprising openings in the casing material |
US10426268B1 (en) * | 2018-04-25 | 2019-10-01 | L&P Property Management Company | Furniture cushion |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2737666A (en) * | 1955-02-14 | 1956-03-13 | Rockwell Spring & Axle Co | Coil spring retainer and assembly |
US2897520A (en) * | 1958-02-04 | 1959-08-04 | Wylie B Bradford | Resilient support assembly |
US3262137A (en) * | 1964-03-03 | 1966-07-26 | Ronald H Beckman | Spring assemblies |
US3242512A (en) * | 1964-03-03 | 1966-03-29 | Ronald H Beckman | Bellows spring assembly |
-
1972
- 1972-05-17 US US00254267A patent/US3765038A/en not_active Expired - Lifetime
-
1973
- 1973-05-16 CA CA171,560A patent/CA954240A/en not_active Expired
- 1973-08-09 GB GB3782973A patent/GB1442431A/en not_active Expired
- 1973-08-13 DE DE19732340919 patent/DE2340919A1/en active Pending
- 1973-08-17 CH CH1187973A patent/CH579726A5/xx not_active IP Right Cessation
- 1973-08-20 FR FR7330664A patent/FR2241724A1/en active Granted
- 1973-08-21 BE BE134795A patent/BE803850A/en unknown
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008041868A3 (en) * | 2006-10-04 | 2008-07-31 | Formway Furniture Ltd | A chair |
US8029060B2 (en) | 2006-10-04 | 2011-10-04 | Formway Furniture Limited | Chair |
US8087727B2 (en) | 2006-10-04 | 2012-01-03 | Formway Furniture Limited | Chair |
US8096615B2 (en) | 2006-10-04 | 2012-01-17 | Formay Furniture Limited | Chair |
US8613481B2 (en) | 2006-10-04 | 2013-12-24 | Formway Furniture Limited | Chair |
US8668265B2 (en) | 2006-10-04 | 2014-03-11 | Formway Furniture Limited | Chair |
US8888183B2 (en) | 2006-10-04 | 2014-11-18 | Formway Furniture Limited | Chair |
USD615784S1 (en) | 2008-04-09 | 2010-05-18 | Formway Furniture Limited | Chair back |
USD616213S1 (en) | 2008-04-09 | 2010-05-25 | Formway Furniture Limited | Chair |
USD613084S1 (en) | 2008-12-12 | 2010-04-06 | Formway Furniture Limited | Chair |
DE202019106271U1 (en) * | 2019-11-11 | 2021-02-15 | Diemer & Dr. Jaspert GbR (vertretungsberechtigter Gesellschafter: Herr Dr. Bodo F. Jaspert, 85630 Grasbrunn) | Spring base to support a mattress or an upholstery element |
Also Published As
Publication number | Publication date |
---|---|
FR2241724B1 (en) | 1977-05-13 |
GB1442431A (en) | 1976-07-14 |
BE803850A (en) | 1973-12-17 |
US3765038A (en) | 1973-10-16 |
CH579726A5 (en) | 1976-09-15 |
FR2241724A1 (en) | 1975-03-21 |
CA954240A (en) | 1974-09-03 |
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