CA2029917A1 - Adjustable chair - Google Patents

Adjustable chair

Info

Publication number
CA2029917A1
CA2029917A1 CA002029917A CA2029917A CA2029917A1 CA 2029917 A1 CA2029917 A1 CA 2029917A1 CA 002029917 A CA002029917 A CA 002029917A CA 2029917 A CA2029917 A CA 2029917A CA 2029917 A1 CA2029917 A1 CA 2029917A1
Authority
CA
Canada
Prior art keywords
frame
back support
displacing
control unit
rotating
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
CA002029917A
Other languages
French (fr)
Other versions
CA2029917C (en
Inventor
Richard Eakins
Czeslaw Cimachowski
Brian Bentley
Joe Krommenhoek
Son Ma
David Harding
Nelson Pang
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.)
Invacare Canada LP
Original Assignee
Richard Eakins
Czeslaw Cimachowski
Brian Bentley
Joe Krommenhoek
Son Ma
David Harding
Nelson Pang
Motion Specialties Incorporated
Tarsys Engineering Incorporated
Genus Medical Inc.
Invacare Canada Inc.
1200413 Alberta Ltd.
Invacare Canada L.P.
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 Richard Eakins, Czeslaw Cimachowski, Brian Bentley, Joe Krommenhoek, Son Ma, David Harding, Nelson Pang, Motion Specialties Incorporated, Tarsys Engineering Incorporated, Genus Medical Inc., Invacare Canada Inc., 1200413 Alberta Ltd., Invacare Canada L.P. filed Critical Richard Eakins
Priority to CA002029917A priority Critical patent/CA2029917C/en
Priority to US07/788,258 priority patent/US5320412A/en
Publication of CA2029917A1 publication Critical patent/CA2029917A1/en
Application granted granted Critical
Publication of CA2029917C publication Critical patent/CA2029917C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/1056—Arrangements for adjusting the seat
    • A61G5/1067—Arrangements for adjusting the seat adjusting the backrest relative to the seat portion
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/1054—Large wheels, e.g. higher than the seat portion
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/1089—Anti-tip devices
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/12—Rests specially adapted therefor, e.g. for the head or the feet
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G2203/00—General characteristics of devices
    • A61G2203/70—General characteristics of devices with special adaptations, e.g. for safety or comfort
    • A61G2203/74—General characteristics of devices with special adaptations, e.g. for safety or comfort for anti-shear when adjusting furniture
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/04—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/1056—Arrangements for adjusting the seat
    • A61G5/1075—Arrangements for adjusting the seat tilting the whole seat backwards

Abstract

Disclosed herein is a chair comprising a base frame and a back frame, means for rotating said back frame relative to said base frame, said back frames including a back support to receive a trunk portion of a user, means for displacing said back support relative to said bank frame, a control unit communicating with said means for rotating and said means for displacing, said control unit having adjustment means to vary the displacement of said back support according to the rotation of said back frame in order to minimize shear forces appearing between said trunk and said back support.
CA002029917A 1990-11-14 1990-11-14 Adjustable chair Expired - Lifetime CA2029917C (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA002029917A CA2029917C (en) 1990-11-14 1990-11-14 Adjustable chair
US07/788,258 US5320412A (en) 1990-11-14 1991-11-05 Adjustable chair

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002029917A CA2029917C (en) 1990-11-14 1990-11-14 Adjustable chair

Publications (2)

Publication Number Publication Date
CA2029917A1 true CA2029917A1 (en) 1992-05-15
CA2029917C CA2029917C (en) 2003-01-21

Family

ID=4146419

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002029917A Expired - Lifetime CA2029917C (en) 1990-11-14 1990-11-14 Adjustable chair

Country Status (2)

Country Link
US (1) US5320412A (en)
CA (1) CA2029917C (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6409265B1 (en) 2000-05-31 2002-06-25 Sunrise Medical Hhg, Inc. Tilting and reclining wheelchair
US6588792B1 (en) 2000-05-31 2003-07-08 Sunrise Medical Hhg Inc. Method of programming and operating tilt and recline functions in a wheelchair
US6715784B2 (en) 2000-05-31 2004-04-06 Sunrise Medical Hhg Inc. Method programming and operating a wheelchair having tilt and recline functions
US6976699B2 (en) 2000-05-31 2005-12-20 Sunrise Medical Hhg Inc. Coordinated articulation of wheelchair members

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5549357A (en) * 1994-12-12 1996-08-27 Quickie Designs Inc. Adjustable backrest apparatus for wheelchairs
US5791733A (en) * 1996-02-09 1998-08-11 Knoll, Inc. Adjustable lumbar support
US5634688A (en) * 1996-04-18 1997-06-03 Homecrest Industries, Incorporated Reclining chair
US5823621A (en) * 1996-11-12 1998-10-20 Invacare Corporation Reduced shear assembly for recline seat back of a wheelchair
US6158810A (en) * 1998-11-17 2000-12-12 Galloway; Robert Chair back tilt apparatus
US6702305B2 (en) * 2001-07-15 2004-03-09 United Auto Systems, Inc. Inclinable creeper
US6585279B1 (en) 2001-10-02 2003-07-01 Medical Industries America, Inc. Leg extension assembly
US6776430B2 (en) 2002-09-09 2004-08-17 Pride Mobility Products Corporation Stabilizing system for a reclinable wheelchair
NL1023378C2 (en) * 2003-05-09 2004-11-15 Movingpeople Net Internat B V Wheelchair.
US7032974B1 (en) 2003-08-06 2006-04-25 Karla Klumpp Berger Headrest assembly
US7296856B2 (en) * 2003-10-08 2007-11-20 Pride Mobility Products Corporation Reclining seat with movable back support
GB0325358D0 (en) * 2003-10-30 2003-12-03 Peter Cook Internat Plc Powered furniture
NL1026178C2 (en) * 2004-05-12 2005-11-15 Ludgerus Beheer B V Wheelchair with drive support and force sensor for use with it.
US20060290184A1 (en) * 2005-06-16 2006-12-28 Stoneman William C Medical patient support chair
KR100725174B1 (en) * 2005-10-10 2007-06-04 삼성전기주식회사 Control apparatus of brushless DC motor and method for controlling it
US7568758B2 (en) * 2007-01-03 2009-08-04 Kolcraft Enterprises High chairs and methods to use high chairs
US8398171B2 (en) * 2011-01-14 2013-03-19 Cycling & Health Tech Industry R & D Center Lift chair
DE102016125474B3 (en) 2016-12-22 2018-05-30 Otto Bock Mobility Solutions Gmbh Seat and wheelchair with a seat
US11305673B2 (en) * 2019-01-07 2022-04-19 Adient Us Llc Seat and seat mounting structure
US11096496B2 (en) * 2019-04-11 2021-08-24 Hugh Charles Murray Therapeutic chair with adjustable back and method of using the same

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3147038A (en) * 1964-09-01 figure
US3059970A (en) * 1960-02-01 1962-10-23 White S Dental Mfg Co Chairs having tilting backs
US3222105A (en) * 1964-01-23 1965-12-07 James W Cross Dental chair with consoles
US4054319A (en) * 1975-10-23 1977-10-18 The United States Of America As Represented By The Secretary Of The Navy Stand-aid invalid wheelchair
AU571876B2 (en) * 1983-06-01 1988-04-28 Sturhan, K. Vehicle seat assembly
US4732423A (en) * 1986-10-27 1988-03-22 Bio-Architectural Design, Inc. Invalid's chair construction

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6409265B1 (en) 2000-05-31 2002-06-25 Sunrise Medical Hhg, Inc. Tilting and reclining wheelchair
US6588792B1 (en) 2000-05-31 2003-07-08 Sunrise Medical Hhg Inc. Method of programming and operating tilt and recline functions in a wheelchair
US6715784B2 (en) 2000-05-31 2004-04-06 Sunrise Medical Hhg Inc. Method programming and operating a wheelchair having tilt and recline functions
US6976699B2 (en) 2000-05-31 2005-12-20 Sunrise Medical Hhg Inc. Coordinated articulation of wheelchair members

Also Published As

Publication number Publication date
CA2029917C (en) 2003-01-21
US5320412A (en) 1994-06-14

Similar Documents

Publication Publication Date Title
CA2029917A1 (en) Adjustable chair
USD296851S (en) Adjustable support table for a keyboard
DE8702174U1 (en)
CA2069744A1 (en) Adjustable Foot Support System
AU4372389A (en) Portable adjustable child's chair
USD360771S (en) Chair frame
USD369259S (en) Back support chair
USD319159S (en) Adjustable support base for a dental control unit
USD308768S (en) Lounge chair
USD331343S (en) Support frame for a bench
USD328823S (en) Adjustable lounge chair
USD331159S (en) Adjustable bed frame
USD326584S (en) Chaise lounge
USD333750S (en) Chair frame
USD324786S (en) Chair frame
USD328984S (en) Chair
USD322420S (en) Carriage for a child
USD261331S (en) Adjustable lounge chair or similar article
USD326373S (en) Chair frame
USD279635S (en) Support unit for adjusting a chair seat depth
USD305081S (en) Combined adjustable chair and ottoman unit
USD335588S (en) Sofa
USD328530S (en) Adjustable lounge chair
USD296848S (en) Lounge chair
USD342390S (en) Armchair

Legal Events

Date Code Title Description
EEER Examination request
FZDC Discontinued application reinstated
MKEX Expiry