GB1423617A - Back rests for chairs or the like - Google Patents

Back rests for chairs or the like

Info

Publication number
GB1423617A
GB1423617A GB4688373A GB4688373A GB1423617A GB 1423617 A GB1423617 A GB 1423617A GB 4688373 A GB4688373 A GB 4688373A GB 4688373 A GB4688373 A GB 4688373A GB 1423617 A GB1423617 A GB 1423617A
Authority
GB
United Kingdom
Prior art keywords
chairs
back rests
rests
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
Application number
GB4688373A
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.)
ZUEND CO AG KARL
Original Assignee
ZUEND CO AG KARL
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 ZUEND CO AG KARL filed Critical ZUEND CO AG KARL
Publication of GB1423617A publication Critical patent/GB1423617A/en
Expired 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
    • 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
    • A47C7/46—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs
    • A47C7/462—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs adjustable by mechanical means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Seats For Vehicles (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
GB4688373A 1972-10-09 1973-10-08 Back rests for chairs or the like Expired GB1423617A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT863872A AT316802B (en) 1972-10-09 1972-10-09 Back cushion or backrest
CH1474072A CH547074A (en) 1972-10-09 1972-10-10 BACKREST PAD OR REST.

Publications (1)

Publication Number Publication Date
GB1423617A true GB1423617A (en) 1976-02-04

Family

ID=51467618

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4688373A Expired GB1423617A (en) 1972-10-09 1973-10-08 Back rests for chairs or the like

Country Status (4)

Country Link
AT (1) AT316802B (en)
CH (1) CH547074A (en)
DE (1) DE2345254C2 (en)
GB (1) GB1423617A (en)

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4909568A (en) * 1987-10-16 1990-03-20 Fiat Auto S.P.A. Adjustable backrest for the seats of vehicles, particularly cars
WO2001097655A2 (en) * 2000-06-20 2001-12-27 Global Total Office Conformable backrest for a chair
US6619739B2 (en) 2001-03-01 2003-09-16 L & P Property Management Company Universal ergonomic support with self-contained actuator
US6623076B2 (en) 1993-06-17 2003-09-23 Schukra-Gerätebau AG Adjustment apparatus for a resiliently flexible support element of a back rest
US6652029B2 (en) 2001-12-20 2003-11-25 L & P Property Management Company Unitized back plate and lumbar support
US6652028B2 (en) 2001-11-02 2003-11-25 L & P Property Management Apparatus and method for lumbar support with variable apex
US6666511B2 (en) 1989-08-04 2003-12-23 Schukra Geratebau Ag Arching mechanism and method of use
US6676214B2 (en) 2001-11-16 2004-01-13 L & P Property Management Company Method and apparatus for lumbar support with integrated actuator housing
US6688687B2 (en) 2000-06-20 2004-02-10 Global Total Office Backrest with adjustable lumbar support
US6758522B2 (en) 2001-03-29 2004-07-06 L&P Property Management Company Apparatus and method for varying coefficients of friction in a variable apex back support
US6779844B2 (en) 2001-12-14 2004-08-24 L&P Propety Maqnagement Company Arching lumbar support with weight distribution surface
US7083232B2 (en) 2002-11-01 2006-08-01 L&P Property Management Company Massage apparatus and method for lumbar support
GB2437053A (en) * 2006-02-17 2007-10-17 Jonathan Allan De Buriatte Adjustable lumbar support device
US7690726B2 (en) 2005-01-12 2010-04-06 L&P Swiss Holding Company Coupling unit and adjusting mechanism using the coupling unit
US7775595B2 (en) 2004-02-06 2010-08-17 Schukra Of North America Drive mechanism
US7841661B2 (en) 2005-01-12 2010-11-30 L&P Swiss Holding Company Lumbar support assembly and corresponding seat structure
US7984948B2 (en) 2004-07-30 2011-07-26 Schukra Of North America, Ltd. Modular contour support apparatus
US7984949B2 (en) 2007-04-24 2011-07-26 Schukra Of North America Lumbar and bolster support for second row seat
US7997650B2 (en) 2008-02-22 2011-08-16 Schukra Of North America Constant pressure retreating lumbar system
EP3849383A4 (en) * 2018-09-11 2022-06-15 Kumar Rajaratnam A seat back support

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2447168A1 (en) * 1979-01-26 1980-08-22 Sable Freres Int Tractor seat back rest with adjustable transverse curvature - uses horizontal bar with vertical undulation screw jack to modify arched profile
DE8702174U1 (en) * 1987-02-12 1987-04-30 Kemmann & Koch, 5620 Velbert adjustable back
AUPM694194A0 (en) * 1994-07-20 1994-08-11 Henderson's Industries Pty Ltd Lumbar support adjustment
US6805680B2 (en) 1994-12-09 2004-10-19 Schukra-Geratebau Ag Method for providing a massage on seats, and a device for implementing this method
CA2181776A1 (en) * 1996-07-22 1998-01-23 Christopher Cosentino Shape-adjusting mechanism for backrest
FR2766135B1 (en) * 1997-07-15 1999-10-01 Faure Bertrand Equipements Sa DEVICE FOR ADJUSTING THE TENSION OF A LUMBAR SUPPORT STRIP
WO2000047086A1 (en) 1999-02-12 2000-08-17 Schukra Manufacturing Inc. Adjustable back support for seats
CA2268046C (en) 1999-04-07 2004-03-02 Christopher Cosentino Adjustment mechanism with slidable shaft
CA2268481C (en) 1999-04-08 2004-06-22 Tony Maier Unitary adjustable seat basket
DE102014118061A1 (en) * 2014-09-22 2016-03-24 Grammer Ag Vehicle seat with strip-like element in the backrest

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1429386A1 (en) * 1964-01-17 1969-03-27 Rentrop Ag Seat, in particular motor vehicle seat

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4909568A (en) * 1987-10-16 1990-03-20 Fiat Auto S.P.A. Adjustable backrest for the seats of vehicles, particularly cars
US6666511B2 (en) 1989-08-04 2003-12-23 Schukra Geratebau Ag Arching mechanism and method of use
US6623076B2 (en) 1993-06-17 2003-09-23 Schukra-Gerätebau AG Adjustment apparatus for a resiliently flexible support element of a back rest
US6688687B2 (en) 2000-06-20 2004-02-10 Global Total Office Backrest with adjustable lumbar support
WO2001097655A2 (en) * 2000-06-20 2001-12-27 Global Total Office Conformable backrest for a chair
WO2001097655A3 (en) * 2000-06-20 2002-05-02 Global Total Office Conformable backrest for a chair
US6619739B2 (en) 2001-03-01 2003-09-16 L & P Property Management Company Universal ergonomic support with self-contained actuator
US6824214B2 (en) 2001-03-01 2004-11-30 L & P Property Management Company Universal ergonomic support with self-contained actuator
US6758522B2 (en) 2001-03-29 2004-07-06 L&P Property Management Company Apparatus and method for varying coefficients of friction in a variable apex back support
US6652028B2 (en) 2001-11-02 2003-11-25 L & P Property Management Apparatus and method for lumbar support with variable apex
US6676214B2 (en) 2001-11-16 2004-01-13 L & P Property Management Company Method and apparatus for lumbar support with integrated actuator housing
US6779844B2 (en) 2001-12-14 2004-08-24 L&P Propety Maqnagement Company Arching lumbar support with weight distribution surface
US6652029B2 (en) 2001-12-20 2003-11-25 L & P Property Management Company Unitized back plate and lumbar support
US7083232B2 (en) 2002-11-01 2006-08-01 L&P Property Management Company Massage apparatus and method for lumbar support
US7775595B2 (en) 2004-02-06 2010-08-17 Schukra Of North America Drive mechanism
US8382204B2 (en) 2004-07-30 2013-02-26 Schukra of North America Co. Modular contour support apparatus
US7984948B2 (en) 2004-07-30 2011-07-26 Schukra Of North America, Ltd. Modular contour support apparatus
US7841661B2 (en) 2005-01-12 2010-11-30 L&P Swiss Holding Company Lumbar support assembly and corresponding seat structure
US7690726B2 (en) 2005-01-12 2010-04-06 L&P Swiss Holding Company Coupling unit and adjusting mechanism using the coupling unit
US8544953B2 (en) 2005-01-12 2013-10-01 L&P Swiss Holding Ag Lumbar support assembly and corresponding seat structure
GB2437053B (en) * 2006-02-17 2009-06-03 Jonathan Allan De Buriatte Adjustable and portable lumbar support device
GB2437053A (en) * 2006-02-17 2007-10-17 Jonathan Allan De Buriatte Adjustable lumbar support device
US7984949B2 (en) 2007-04-24 2011-07-26 Schukra Of North America Lumbar and bolster support for second row seat
US7997650B2 (en) 2008-02-22 2011-08-16 Schukra Of North America Constant pressure retreating lumbar system
EP3849383A4 (en) * 2018-09-11 2022-06-15 Kumar Rajaratnam A seat back support
US11723471B2 (en) 2018-09-11 2023-08-15 Kumar Rajaratnam Seat back support

Also Published As

Publication number Publication date
AT316802B (en) 1974-07-25
DE2345254C2 (en) 1984-10-04
CH547074A (en) 1974-03-29
DE2345254A1 (en) 1974-04-25

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee