EP0262359A3 - Safety locking device - Google Patents

Safety locking device Download PDF

Info

Publication number
EP0262359A3
EP0262359A3 EP87111716A EP87111716A EP0262359A3 EP 0262359 A3 EP0262359 A3 EP 0262359A3 EP 87111716 A EP87111716 A EP 87111716A EP 87111716 A EP87111716 A EP 87111716A EP 0262359 A3 EP0262359 A3 EP 0262359A3
Authority
EP
European Patent Office
Prior art keywords
backrest
seat
support
arresting
support arm
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.)
Granted
Application number
EP87111716A
Other languages
German (de)
Other versions
EP0262359B1 (en
EP0262359A2 (en
Inventor
Felix Stucki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Girsberger Holding AG
Original Assignee
Girsberger Holding AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Girsberger Holding AG filed Critical Girsberger Holding AG
Priority to AT87111716T priority Critical patent/ATE55681T1/en
Publication of EP0262359A2 publication Critical patent/EP0262359A2/en
Publication of EP0262359A3 publication Critical patent/EP0262359A3/en
Application granted granted Critical
Publication of EP0262359B1 publication Critical patent/EP0262359B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • A47C1/03205—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest having adjustable and lockable inclination
    • A47C1/03238—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest having adjustable and lockable inclination by means of peg-and-notch or pawl-and-ratchet mechanism
    • 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

Landscapes

  • 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)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Materials For Medical Uses (AREA)
  • Centrifugal Separators (AREA)

Abstract

1. A chair with coupled backrest-seat adjustment subject to spring action, the seat (2) and backrest (3) thereof being attached to a support (4), the support (4) possessing a support arm (6) which is connected to a vertical tube (5) and has the seat (2) mounted thereto so as to be capable of swivelling up and down, as well as a back support (8) firmly connected to the backrest (3) and support arm (6) by way of a sliding-pivot bearing (7), the sliding-pivot bearing (7) on the one hand having a guide slot (9) or like guide members and on the other hand a guide element (10) engaging therein, characterized in that the slidable guide element (10) is connected to a first detent member (11) and the support arm is connected to a second detent member (12) of a click-stop device and that arresting projections (13) and arresting recesses (14) of the detent members are oriented transversely to the direction of shift and have stop faces (15) acting in the direction of shift, said arresting projections and arresting recesses being devised for the stop faces (15) to be clamped with static friction locking the click-stop device when the seat (2) is unweighted or weighted only at the front and the backrest (3) is at the same time unweighted.
EP87111716A 1986-09-02 1987-08-13 Safety locking device Expired - Lifetime EP0262359B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87111716T ATE55681T1 (en) 1986-09-02 1987-08-13 SAFETY INTERLOCK.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3629882 1986-09-02
DE19863629882 DE3629882A1 (en) 1986-09-02 1986-09-02 SECURITY LOCK

Publications (3)

Publication Number Publication Date
EP0262359A2 EP0262359A2 (en) 1988-04-06
EP0262359A3 true EP0262359A3 (en) 1988-06-08
EP0262359B1 EP0262359B1 (en) 1990-08-22

Family

ID=6308767

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87111716A Expired - Lifetime EP0262359B1 (en) 1986-09-02 1987-08-13 Safety locking device

Country Status (4)

Country Link
US (1) US4943115A (en)
EP (1) EP0262359B1 (en)
AT (1) ATE55681T1 (en)
DE (2) DE3629882A1 (en)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3800751A1 (en) * 1987-01-19 1988-08-04 Okamura Corp Armchair
DE3724605C2 (en) * 1987-07-24 1994-02-03 Inaba Seisakusho Ltd Seating
US5018787A (en) * 1990-06-20 1991-05-28 Shepherd Products U.S. Inc. Chair seat tilt control
DE9112861U1 (en) * 1991-10-16 1992-01-02 SIFA Sitzfabrik GmbH, 8458 Sulzbach-Rosenberg Weight adjustment device for adjusting seats and backrests on chairs, especially office swivel chairs
US5222781A (en) * 1992-01-13 1993-06-29 Mele Peter C Automatically adjustable bicycle seat apparatus
CA2319884C (en) * 1992-06-15 2001-12-04 Herman Miller, Inc. Pneumatic support column for a chair
DE4312113C1 (en) * 1993-04-14 1994-10-27 Mauser Waldeck Ag Seating
US5417474A (en) * 1993-09-23 1995-05-23 Westinghouse Electric Corporation Tilt control mechanism for chairs
US5464274A (en) * 1994-01-13 1995-11-07 Westinghouse Electric Corporation Chair seat tilt adjustment and locking mechanism
DE9410941U1 (en) * 1994-07-08 1994-09-01 Völkle, Rolf, 72290 Loßburg Seating furniture with reclining seat and backrest
IT1268765B1 (en) * 1994-07-20 1997-03-06 Cofemo Spa BACKREST OSCILLATION LOCKING DEVICE IN ARMCHAIR WITH VARIABLE INCLINATION SEAT AND BACKREST
DE19502649A1 (en) * 1995-01-28 1996-08-01 Stoll Kg Christof Locking mechanism for the reclining back of a chair
US5765914A (en) * 1995-06-07 1998-06-16 Herman Miller, Inc. Chair with a tilt control mechanism
ITTO980034A1 (en) 1998-01-16 1999-07-16 Miotto Int Comp MECHANICAL DEVICE FOR THE CONTROL OF THE SYNCHRONOUS MOVEMENT OF THE SEAT AND BACKREST OF A SEAT.
US6250715B1 (en) 1998-01-21 2001-06-26 Herman Miller, Inc. Chair
IT1306231B1 (en) * 1998-04-27 2001-06-04 Donati Spa SWINGING OR SYNCHRONIZED CHAIR SUPPORT
DE19823632C1 (en) * 1998-05-27 1999-09-30 Roeder Peter Office chair
US6161897A (en) * 1999-06-03 2000-12-19 Hon Technology Inc. Chair construction
US6598936B1 (en) 2001-04-11 2003-07-29 Michael N. Klein Multi-task mid-pivot chair control mechanism
US6585320B2 (en) * 2001-06-15 2003-07-01 Virco Mgmt. Corporation Tilt control mechanism for a tilt back chair
EP1855567B1 (en) * 2005-03-01 2015-09-23 Haworth, Inc. Tilt control mechanism for a chair
CN102151027B (en) 2007-01-29 2016-03-16 赫尔曼米勒有限公司 Seat structure and using method thereof
US11589678B2 (en) 2019-01-17 2023-02-28 Hni Technologies Inc. Chairs including flexible frames
DE102019113585A1 (en) * 2019-05-21 2020-11-26 Bock 1 Gmbh & Co. Kg Locking device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2363935A (en) * 1941-02-03 1944-11-28 Automatic Products Co Chair
DE3303265A1 (en) * 1983-02-01 1984-08-02 Röder GmbH Sitzmöbelwerke, 6000 Frankfurt Chair, in particular an office chair
CH659179A5 (en) * 1983-05-06 1987-01-15 Provenda Marketing Ag Working chair, especially an office chair

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2430604A (en) * 1944-02-16 1947-11-11 John M Dorton Reclining spring supported back rest
CH562590A5 (en) * 1973-07-04 1975-06-13 Stoll Kg Christof
DE3334424A1 (en) * 1983-09-23 1985-04-11 Girsberger AG, Bützberg OPERATING MECHANISM FOR SEAT FURNITURE
IT8324068V0 (en) * 1983-12-30 1983-12-30 Tecno Mobili E Forniture Per A OFFICE ARMCHAIR WITH ADJUSTABLE HEIGHT AND ELASTIC OSCILLATION.
JPS60117742U (en) * 1984-01-18 1985-08-09 株式会社岡村製作所 chair recliner

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2363935A (en) * 1941-02-03 1944-11-28 Automatic Products Co Chair
DE3303265A1 (en) * 1983-02-01 1984-08-02 Röder GmbH Sitzmöbelwerke, 6000 Frankfurt Chair, in particular an office chair
CH659179A5 (en) * 1983-05-06 1987-01-15 Provenda Marketing Ag Working chair, especially an office chair

Also Published As

Publication number Publication date
EP0262359B1 (en) 1990-08-22
DE3629882A1 (en) 1988-03-10
DE3629882C2 (en) 1990-11-29
EP0262359A2 (en) 1988-04-06
ATE55681T1 (en) 1990-09-15
US4943115A (en) 1990-07-24
DE3764439D1 (en) 1990-09-27

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