US3669399A - Mechanism for the tiltable seat of a chair - Google Patents
Mechanism for the tiltable seat of a chair Download PDFInfo
- Publication number
- US3669399A US3669399A US77998A US3669399DA US3669399A US 3669399 A US3669399 A US 3669399A US 77998 A US77998 A US 77998A US 3669399D A US3669399D A US 3669399DA US 3669399 A US3669399 A US 3669399A
- Authority
- US
- United States
- Prior art keywords
- tube
- support member
- chair
- seat
- torsion bar
- 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 - Lifetime
Links
Images
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
- A47C7/441—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with adjustable elasticity
-
- 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
Landscapes
- Chairs Characterized By Structure (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
Description
Claims (6)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4886569 | 1969-10-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
US3669399A true US3669399A (en) | 1972-06-13 |
Family
ID=10450217
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US77998A Expired - Lifetime US3669399A (en) | 1969-10-04 | 1970-10-05 | Mechanism for the tiltable seat of a chair |
Country Status (10)
Country | Link |
---|---|
US (1) | US3669399A (en) |
AT (1) | AT299483B (en) |
AU (1) | AU2066670A (en) |
BE (1) | BE756993A (en) |
CH (1) | CH523045A (en) |
DE (1) | DE2048460A1 (en) |
FR (1) | FR2064978A5 (en) |
RO (1) | RO59827A (en) |
SE (1) | SE7013323L (en) |
ZA (1) | ZA706574B (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3774963A (en) * | 1971-08-07 | 1973-11-27 | Universal Oil Co | Suspension seats for vehicles |
US4235408A (en) * | 1978-02-27 | 1980-11-25 | Knoll International, Inc. | Swivel-chair frame |
US4804068A (en) * | 1987-06-17 | 1989-02-14 | Hunter Engineering Company | Vehicle elevating apparatus and method of assembly thereof |
US4807841A (en) * | 1988-03-22 | 1989-02-28 | Serge Abend | Omnidirectionally tilting and swivelling support mechanism for chairs or the like |
US5026117A (en) * | 1987-11-10 | 1991-06-25 | Steelcase Inc. | Controller for seating and the like |
US5042876A (en) * | 1987-11-10 | 1991-08-27 | Steelcase Inc. | Controller for seating and the like |
US5409295A (en) * | 1993-05-25 | 1995-04-25 | Omniflex Specialties | Omnidirectional tilting mechanism |
US6644744B2 (en) * | 2001-10-01 | 2003-11-11 | Johnson Controls Technology Company | Release mechanism for a seat |
US20160015179A1 (en) * | 2014-07-17 | 2016-01-21 | Boss Design Limited | Chair |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2051043A (en) * | 1934-06-22 | 1936-08-18 | Bassick Co | Chair iron |
US2424753A (en) * | 1947-07-29 | herold | ||
US2718257A (en) * | 1953-12-01 | 1955-09-20 | Lie Finn | Tilting chair |
US2971569A (en) * | 1956-08-16 | 1961-02-14 | Bassick Co | Tiltable office chair |
US3598354A (en) * | 1969-08-27 | 1971-08-10 | Stewart Warner Corp | Chair control structure |
-
0
- BE BE756993D patent/BE756993A/en unknown
-
1970
- 1970-09-25 ZA ZA706574A patent/ZA706574B/en unknown
- 1970-10-01 SE SE1332370A patent/SE7013323L/en unknown
- 1970-10-01 CH CH1456270A patent/CH523045A/en not_active IP Right Cessation
- 1970-10-02 DE DE19702048460 patent/DE2048460A1/en active Pending
- 1970-10-02 AT AT890670A patent/AT299483B/en active
- 1970-10-02 FR FR7035774A patent/FR2064978A5/fr not_active Expired
- 1970-10-02 AU AU20666/70A patent/AU2066670A/en not_active Expired
- 1970-10-03 RO RO64585A patent/RO59827A/ro unknown
- 1970-10-05 US US77998A patent/US3669399A/en not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2424753A (en) * | 1947-07-29 | herold | ||
US2051043A (en) * | 1934-06-22 | 1936-08-18 | Bassick Co | Chair iron |
US2718257A (en) * | 1953-12-01 | 1955-09-20 | Lie Finn | Tilting chair |
US2971569A (en) * | 1956-08-16 | 1961-02-14 | Bassick Co | Tiltable office chair |
US3598354A (en) * | 1969-08-27 | 1971-08-10 | Stewart Warner Corp | Chair control structure |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3774963A (en) * | 1971-08-07 | 1973-11-27 | Universal Oil Co | Suspension seats for vehicles |
US4235408A (en) * | 1978-02-27 | 1980-11-25 | Knoll International, Inc. | Swivel-chair frame |
US4804068A (en) * | 1987-06-17 | 1989-02-14 | Hunter Engineering Company | Vehicle elevating apparatus and method of assembly thereof |
US5026117A (en) * | 1987-11-10 | 1991-06-25 | Steelcase Inc. | Controller for seating and the like |
US5042876A (en) * | 1987-11-10 | 1991-08-27 | Steelcase Inc. | Controller for seating and the like |
US4807841A (en) * | 1988-03-22 | 1989-02-28 | Serge Abend | Omnidirectionally tilting and swivelling support mechanism for chairs or the like |
US5160184A (en) * | 1989-07-18 | 1992-11-03 | Steelcase, Inc. | Controller for seating and the like |
US5409295A (en) * | 1993-05-25 | 1995-04-25 | Omniflex Specialties | Omnidirectional tilting mechanism |
US6644744B2 (en) * | 2001-10-01 | 2003-11-11 | Johnson Controls Technology Company | Release mechanism for a seat |
US20160015179A1 (en) * | 2014-07-17 | 2016-01-21 | Boss Design Limited | Chair |
US10321763B2 (en) * | 2014-07-17 | 2019-06-18 | Boss Design Limited | Chair |
Also Published As
Publication number | Publication date |
---|---|
AT299483B (en) | 1972-06-26 |
AU2066670A (en) | 1972-04-13 |
FR2064978A5 (en) | 1971-07-23 |
DE2048460A1 (en) | 1971-05-27 |
SE7013323L (en) | 1971-04-05 |
RO59827A (en) | 1976-05-15 |
BE756993A (en) | 1971-03-16 |
CH523045A (en) | 1972-05-31 |
ZA706574B (en) | 1971-05-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: FIRST NATIONAL BANK OF CHICAGO Free format text: SECURITY INTEREST;ASSIGNOR:BOSTROM ACQUISITION CORPORATION, A CORP OF DE;REEL/FRAME:004371/0101 Effective date: 19850220 |
|
AS | Assignment |
Owner name: BOSTROM ACQUISITION CORPORATION,WISCONSIN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:UOP INC., A DE. CORP.;REEL/FRAME:004581/0676 Effective date: 19850220 Owner name: BOSTROM ACQUISITION CORPORATION, EAST LAYTON AVENU Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:UOP INC., A DE. CORP.;REEL/FRAME:004581/0676 Effective date: 19850220 Owner name: BOSTROM SEATING CORPORATION Free format text: CHANGE OF NAME;ASSIGNOR:BOSTROM ACQUISITION CORPORATION;REEL/FRAME:004581/0641 Effective date: 19850515 |
|
AS | Assignment |
Owner name: DNC AMERICA BANKING CORPORATION, 600 FIFTH AVENUE, Free format text: SECURITY INTEREST;ASSIGNOR:BOSTROM SEATING, INC.;REEL/FRAME:004756/0209 Effective date: 19861015 |
|
AS | Assignment |
Owner name: FIRST NATIONAL BANK OF CHICAGO, THE, ILLINOIS Free format text: SECURITY INTEREST;ASSIGNOR:BOSTROM SEATING, INC.;REEL/FRAME:005122/0677 Effective date: 19881209 |