AU5343773A - Dual torsion bar chair control - Google Patents
Dual torsion bar chair controlInfo
- Publication number
- AU5343773A AU5343773A AU53437/73A AU5343773A AU5343773A AU 5343773 A AU5343773 A AU 5343773A AU 53437/73 A AU53437/73 A AU 53437/73A AU 5343773 A AU5343773 A AU 5343773A AU 5343773 A AU5343773 A AU 5343773A
- Authority
- AU
- Australia
- Prior art keywords
- torsion bar
- chair control
- bar chair
- dual torsion
- dual
- 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.)
- Expired
Links
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
- A47C3/02—Rocking chairs
- A47C3/025—Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame
- A47C3/026—Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame with central column, e.g. rocking office chairs; Tilting chairs
-
- 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
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
- A47C7/44—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame
- A47C7/445—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with bar or leaf springs
-
- 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
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
- A47C7/44—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame
- A47C7/445—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with bar or leaf springs
- A47C7/4454—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with bar or leaf springs of torsion type
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
USUS246,381 | 1972-04-21 | ||
US00246381A US3813073A (en) | 1972-04-21 | 1972-04-21 | Dual torsion bar chair control |
Publications (1)
Publication Number | Publication Date |
---|---|
AU5343773A true AU5343773A (en) | 1974-09-19 |
Family
ID=22930425
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU53437/73A Expired AU5343773A (en) | 1972-04-21 | 1973-03-19 | Dual torsion bar chair control |
Country Status (9)
Country | Link |
---|---|
US (1) | US3813073A (is) |
JP (1) | JPS4921258A (is) |
AU (1) | AU5343773A (is) |
BE (1) | BE798524A (is) |
BR (1) | BR7302851D0 (is) |
DE (1) | DE2317388A1 (is) |
FR (1) | FR2181415A5 (is) |
IT (1) | IT981556B (is) |
NL (1) | NL7305559A (is) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50124062A (is) * | 1974-03-15 | 1975-09-29 | ||
US4067610A (en) * | 1976-05-10 | 1978-01-10 | Hoover Ball And Bearing Co. | Chair control mechanism |
CA1109386A (en) * | 1978-03-29 | 1981-09-22 | Eddie A.J. Large | Resilient mounting for a reclining seat |
US4214726A (en) * | 1978-11-06 | 1980-07-29 | Steelcase, Inc. | Chair control |
US4344369A (en) * | 1980-03-31 | 1982-08-17 | Noord Andrew J Van | Table with extensible top |
US4438978A (en) * | 1981-11-18 | 1984-03-27 | Tor Arild | Tilt back mechanism for a chair |
AU588332B2 (en) * | 1986-07-04 | 1989-09-14 | Tachi-S Co., Ltd. | Seat suspension device |
US4718726A (en) * | 1987-07-07 | 1988-01-12 | Estkowski Michael H | Chair seat tilt control |
US4890810A (en) * | 1988-04-14 | 1990-01-02 | Tachi-S Co., Ltd. | Seat suspension device |
US4884777A (en) * | 1988-07-29 | 1989-12-05 | Tachi-S Co., Ltd. | Seat suspension device |
US5029940A (en) * | 1990-01-16 | 1991-07-09 | Westinghouse Electric Corporation | Chair tilt and chair height control apparatus |
IT1247369B (it) * | 1991-03-01 | 1994-12-12 | Loris Miotto | Dispositivo meccanico, particolarmente per la movimentazione ed il bloccaggio selettivo di una seduta |
NO324513B1 (no) * | 2006-03-02 | 2007-11-05 | Jurek Buchacz | Vippefjaermekanisme for en stol, saerlig en kontor-eller arbeidsstol |
JP5301446B2 (ja) | 2006-10-04 | 2013-09-25 | フォームウェイ ファーニチャー リミテッド | 椅子 |
USD604535S1 (en) | 2008-04-09 | 2009-11-24 | Formway Furniture Limited | Chair |
USD600051S1 (en) | 2008-04-09 | 2009-09-15 | Formway Furniture Limited | Chair back |
US7841664B2 (en) * | 2008-06-04 | 2010-11-30 | Steelcase Inc. | Chair with control system |
CA131020S (en) | 2008-12-12 | 2010-02-03 | Formway Furniture Ltd | Chair |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2638148A (en) * | 1947-07-30 | 1953-05-12 | Goodrich Co B F | Seat suspension |
US2711211A (en) * | 1952-04-16 | 1955-06-21 | Tan Sad Chair Co 1931 Ltd | Resiliently mounted back rest |
CA869337A (en) * | 1969-09-23 | 1971-04-27 | Doerner Products Co. Limited | Chair control with support for the torsion spring |
US3659819A (en) * | 1970-06-08 | 1972-05-02 | Steelcase Inc | Chair iron |
US3740014A (en) * | 1972-01-20 | 1973-06-19 | Swenson Corp | Adjustable seat assembly for vehicle |
-
1972
- 1972-04-21 US US00246381A patent/US3813073A/en not_active Expired - Lifetime
-
1973
- 1973-03-19 AU AU53437/73A patent/AU5343773A/en not_active Expired
- 1973-03-23 IT IT22057/73A patent/IT981556B/it active
- 1973-04-06 DE DE2317388A patent/DE2317388A1/de active Pending
- 1973-04-18 BR BR2851/73A patent/BR7302851D0/pt unknown
- 1973-04-19 NL NL7305559A patent/NL7305559A/xx unknown
- 1973-04-20 FR FR7314696A patent/FR2181415A5/fr not_active Expired
- 1973-04-20 BE BE130254A patent/BE798524A/xx unknown
- 1973-04-21 JP JP48045633A patent/JPS4921258A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
IT981556B (it) | 1974-10-10 |
US3813073A (en) | 1974-05-28 |
BE798524A (fr) | 1973-08-16 |
BR7302851D0 (pt) | 1974-07-25 |
FR2181415A5 (is) | 1973-11-30 |
NL7305559A (is) | 1973-10-23 |
DE2317388A1 (de) | 1973-11-08 |
JPS4921258A (is) | 1974-02-25 |
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