EP0331122A3 - Articular headrest mechanism - Google Patents

Articular headrest mechanism Download PDF

Info

Publication number
EP0331122A3
EP0331122A3 EP89103517A EP89103517A EP0331122A3 EP 0331122 A3 EP0331122 A3 EP 0331122A3 EP 89103517 A EP89103517 A EP 89103517A EP 89103517 A EP89103517 A EP 89103517A EP 0331122 A3 EP0331122 A3 EP 0331122A3
Authority
EP
European Patent Office
Prior art keywords
articular
headrest mechanism
headrest
articular headrest
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
EP89103517A
Other versions
EP0331122B1 (en
EP0331122A2 (en
Inventor
Hugh-James Mccrackin
Dennis Frank Leffler
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.)
Siemens AG
Original Assignee
Siemens 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
Priority claimed from US07/285,185 external-priority patent/US4848838A/en
Priority claimed from US07/296,915 external-priority patent/US4863218A/en
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP0331122A2 publication Critical patent/EP0331122A2/en
Publication of EP0331122A3 publication Critical patent/EP0331122A3/en
Application granted granted Critical
Publication of EP0331122B1 publication Critical patent/EP0331122B1/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
    • A61G15/00—Operating chairs; Dental chairs; Accessories specially adapted therefor, e.g. work stands
    • A61G15/10—Parts, details or accessories
    • A61G15/12—Rests specially adapted therefor, e.g. for the head or feet
    • A61G15/125—Head-rests

Landscapes

  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (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)
EP19890103517 1988-03-04 1989-02-28 Articular headrest mechanism Expired - Lifetime EP0331122B1 (en)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
US296915 1981-08-27
US16416488A 1988-03-04 1988-03-04
US23396688A 1988-08-18 1988-08-18
US07/285,185 US4848838A (en) 1988-08-18 1988-12-15 Curved articulating headrest support bar
US285185 1988-12-15
US07/296,915 US4863218A (en) 1988-08-18 1989-01-12 Articulated headrest mechanism
US164164 1993-12-07
US233966 1999-01-20

Publications (3)

Publication Number Publication Date
EP0331122A2 EP0331122A2 (en) 1989-09-06
EP0331122A3 true EP0331122A3 (en) 1989-12-13
EP0331122B1 EP0331122B1 (en) 1993-08-04

Family

ID=27496592

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19890103517 Expired - Lifetime EP0331122B1 (en) 1988-03-04 1989-02-28 Articular headrest mechanism

Country Status (2)

Country Link
EP (1) EP0331122B1 (en)
DE (1) DE68907951T2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10043932A1 (en) * 2000-09-06 2002-03-14 Stoll Sedus Ag Neck rest for an office swivel chair
DE10253863B4 (en) * 2002-11-19 2008-07-10 Maquet Gmbh & Co. Kg Motorized adjustable headrest
DE202011109649U1 (en) 2011-12-30 2012-03-14 Sirona Dental Systems Gmbh Treatment chair with an adjustment system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2989341A (en) * 1958-12-08 1961-06-20 Anton Lorenz Head-rest and control
US4515406A (en) * 1982-09-28 1985-05-07 Takara Company, New York, Inc. Headrest for medical treatment chair
US4647108A (en) * 1980-04-14 1987-03-03 Kabushiki Kaisha Morita Seisakusho Device for controlling headrest of treatment equipment

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2989341A (en) * 1958-12-08 1961-06-20 Anton Lorenz Head-rest and control
US4647108A (en) * 1980-04-14 1987-03-03 Kabushiki Kaisha Morita Seisakusho Device for controlling headrest of treatment equipment
US4515406A (en) * 1982-09-28 1985-05-07 Takara Company, New York, Inc. Headrest for medical treatment chair

Also Published As

Publication number Publication date
DE68907951D1 (en) 1993-09-09
EP0331122B1 (en) 1993-08-04
DE68907951T2 (en) 1993-12-16
EP0331122A2 (en) 1989-09-06

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