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CA947633A - Base for adjustable chairs - Google Patents

Base for adjustable chairs

Info

Publication number
CA947633A
CA947633A CA118,965A CA118965A CA947633A CA 947633 A CA947633 A CA 947633A CA 118965 A CA118965 A CA 118965A CA 947633 A CA947633 A CA 947633A
Authority
CA
Canada
Prior art keywords
base
adjustable chairs
chairs
adjustable
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
CA118,965A
Other versions
CA118965S (en
Inventor
Robert A. Olsen
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.)
American Hospital Supply Corp
Original Assignee
American Hospital Supply Corp
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 American Hospital Supply Corp filed Critical American Hospital Supply Corp
Application granted granted Critical
Publication of CA947633A publication Critical patent/CA947633A/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
    • A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/20—Chairs or stools with vertically-adjustable seats
    • A47C3/36—Chairs or stools with vertically-adjustable seats with means, or adapted, for inclining the legs of the chair or stool for varying height of seat
    • 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
    • A61G15/00—Operating chairs; Dental chairs; Accessories specially adapted therefor, e.g. work stands
    • A61G15/02—Chairs with means to adjust position of patient; Controls therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/18—Mechanical movements
    • Y10T74/18568—Reciprocating or oscillating to or from alternating rotary
    • Y10T74/18576—Reciprocating or oscillating to or from alternating rotary including screw and nut

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Chairs Characterized By Structure (AREA)
CA118,965A 1971-02-16 1971-07-23 Base for adjustable chairs Expired CA947633A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11538471A 1971-02-16 1971-02-16

Publications (1)

Publication Number Publication Date
CA947633A true CA947633A (en) 1974-05-21

Family

ID=22361054

Family Applications (1)

Application Number Title Priority Date Filing Date
CA118,965A Expired CA947633A (en) 1971-02-16 1971-07-23 Base for adjustable chairs

Country Status (4)

Country Link
US (1) US3698673A (en)
CA (1) CA947633A (en)
DE (1) DE2139579A1 (en)
GB (1) GB1300015A (en)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3804460A (en) * 1972-05-30 1974-04-16 Pelton & Crane Co Power operated treatment chair
US3807680A (en) * 1972-09-14 1974-04-30 Sybron Corp Elevating mechanism for dental chairs and the like
DE2251808C3 (en) * 1972-10-21 1984-09-06 Siemens AG, 1000 Berlin und 8000 München Dental chair with parallelogram support arm
US4173372A (en) * 1977-10-11 1979-11-06 Gary Reynolds Dental chair
US4448382A (en) * 1982-08-16 1984-05-15 Smith Investment Company Power operated chair lift mechanism
US5061010A (en) * 1988-05-20 1991-10-29 La-Z-Boy Chair Co. Cam guide drive mechanism for power-assisted chairs and the like
US5466046A (en) * 1988-05-20 1995-11-14 La-Z-Boy Chair Co. Linear actuation drive mechanism for power-assisted chairs
US5482350A (en) * 1988-05-20 1996-01-09 La-Z-Boy Chair Company Linear actuation drive mechanism for power-assisted chairs
US5651580A (en) * 1988-05-20 1997-07-29 La-Z-Boy Chair Company Linear actuation drive mechanism for power-assisted chairs and base therefor
US5259718A (en) * 1990-01-18 1993-11-09 The Serco Corporation Vehicle restraint
GB9308516D0 (en) * 1993-04-21 1993-06-09 Hoskins Ltd Patient support
US5799922A (en) * 1996-10-15 1998-09-01 Seating Technologies, Inc. Low profile seat suspension
US5931532A (en) * 1997-02-03 1999-08-03 Kemmerer; Kenneth Lift recliner chair with safety system
JP2000014475A (en) * 1998-07-02 2000-01-18 Ohiro Seisakusho:Kk Barber's/beautician's chair
US6814409B2 (en) * 2001-04-12 2004-11-09 A-Dec, Inc. Hydraulic drive system
DE10120450A1 (en) * 2001-04-26 2002-10-31 Ina Schaeffler Kg Shaft rotatable by electric motor
GB0119132D0 (en) * 2001-08-03 2001-09-26 Seminar Components Uk Ltd Imrovements in and relating to adjustable chairs and beds
DE102005027375B3 (en) * 2005-06-14 2006-10-19 Recaro Aircraft Seating Gmbh & Co. Kg Seat used as an aircraft passenger seat comprises a seat part, a backrest and a shell element forming a partial enclosure of the seat part and/or the backrest
JP5047749B2 (en) * 2007-10-04 2012-10-10 日本トムソン株式会社 Small slide device
US7784871B2 (en) * 2007-12-26 2010-08-31 Dennis Cochran Occupational support system
US20100050523A1 (en) * 2008-08-26 2010-03-04 Helms James M Safety release mechanism for use with a linear motor turning a ball screw
USD792595S1 (en) * 2016-01-25 2017-07-18 Dongguan Weihong Hardware And Plastic Products Co., Ltd. Automatic support for headrest
WO2023019113A2 (en) * 2021-08-11 2023-02-16 Kevin Ferguson Powered shop stool with kneeling mechanism

Also Published As

Publication number Publication date
DE2139579A1 (en) 1972-08-17
GB1300015A (en) 1972-12-20
US3698673A (en) 1972-10-17

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