FR2388546A1 - Slewing dentists chair base - has retaining washer acting against rotary disc via flat strips of rearing material e.g. PTFE - Google Patents

Slewing dentists chair base - has retaining washer acting against rotary disc via flat strips of rearing material e.g. PTFE

Info

Publication number
FR2388546A1
FR2388546A1 FR7812497A FR7812497A FR2388546A1 FR 2388546 A1 FR2388546 A1 FR 2388546A1 FR 7812497 A FR7812497 A FR 7812497A FR 7812497 A FR7812497 A FR 7812497A FR 2388546 A1 FR2388546 A1 FR 2388546A1
Authority
FR
France
Prior art keywords
slewing
ptfe
retaining washer
flat strips
rotary disc
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.)
Withdrawn
Application number
FR7812497A
Other languages
French (fr)
Inventor
Josef Schmitt
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.)
EMDA
Original Assignee
EMDA
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 EMDA filed Critical EMDA
Publication of FR2388546A1 publication Critical patent/FR2388546A1/en
Withdrawn legal-status Critical Current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

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)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)

Abstract

The base for a slewing treatment chair, partic. as used in dentistry, has a disc rotating on a first bearing in a cylindrical recess in a baseplate, and a retaining washer fixed to the baseplate and pressing via a second bearing against the top of the disc. The washer encloses the disc and fits over an annular shoulder on the outside of it. The plain bearing comprises flat strips of bearing material. The strips can be divided into a number of sections, spaced ar regular angles. The bearing material can incorporate polytetrafluoroetbylene and lead in porous bronze.
FR7812497A 1977-04-30 1978-04-27 Slewing dentists chair base - has retaining washer acting against rotary disc via flat strips of rearing material e.g. PTFE Withdrawn FR2388546A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2719401A DE2719401C2 (en) 1977-04-30 1977-04-30 Pedestal for a rotating dental treatment chair

Publications (1)

Publication Number Publication Date
FR2388546A1 true FR2388546A1 (en) 1978-11-24

Family

ID=6007743

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7812497A Withdrawn FR2388546A1 (en) 1977-04-30 1978-04-27 Slewing dentists chair base - has retaining washer acting against rotary disc via flat strips of rearing material e.g. PTFE

Country Status (3)

Country Link
DE (1) DE2719401C2 (en)
FR (1) FR2388546A1 (en)
IT (2) IT7853264V0 (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1785118A2 (en) * 2005-11-10 2007-05-16 MAQUET GmbH & Co. KG Hydraulic column brake
US7526823B2 (en) 2005-11-14 2009-05-05 Maquet Gmbh & Co. Kg Patient bed system
US7669261B2 (en) 2005-11-10 2010-03-02 Maquet Gmbh & Co. Kg Apparatus for adjusting the bed of an operating table
US7669258B2 (en) 2005-11-14 2010-03-02 Maquet GbmH & Co. KG Patient bed system
US7694366B2 (en) 2005-11-14 2010-04-13 Maquet Gmbh & Co. Kg Operating table
US7810185B2 (en) 2005-11-14 2010-10-12 Maquet GmbH & Co. KGaA Device for adjusting an operating table
US7818839B2 (en) 2005-11-14 2010-10-26 Maquet GmbH & Co. KGaA Patient bed for an operating table
US7896569B2 (en) 2005-11-14 2011-03-01 Maquet Gmbh & Co. Kg Joint arrangement for the connection of two segments of a patient bed
US8249457B2 (en) 2005-11-14 2012-08-21 Maquet Gmbh & Co. Kg Method and device for bidirectional IR data transfer between a medical treatment table and an operator control device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3593954A (en) * 1970-06-04 1971-07-20 Kofabco Inc Swivel connection for a chair
US3834660A (en) * 1973-05-17 1974-09-10 Pelton & Crane Co Pedestal for a treatment chair

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1173557A (en) * 1912-08-16 1916-02-29 Harvard Company Dental chair.
US3596982A (en) * 1969-05-15 1971-08-03 Surgical Mechanical Research I Patient{3 s chair
DE7417287U (en) * 1973-05-17 1976-02-26 The Pelton & Crane Co., Charlotte, N.C. (V.St.A.)

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3593954A (en) * 1970-06-04 1971-07-20 Kofabco Inc Swivel connection for a chair
US3834660A (en) * 1973-05-17 1974-09-10 Pelton & Crane Co Pedestal for a treatment chair

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1785118A2 (en) * 2005-11-10 2007-05-16 MAQUET GmbH & Co. KG Hydraulic column brake
JP2007130477A (en) * 2005-11-10 2007-05-31 Maquet Gmbh & Co Kg Hydraulic column clamp
EP1785118A3 (en) * 2005-11-10 2008-10-01 MAQUET GmbH & Co. KG Hydraulic column brake
US7865985B2 (en) 2005-11-10 2011-01-11 Maquet Gmbh & Co. Kg. Hydraulic column clamping
CN101015492B (en) * 2005-11-10 2010-09-08 迈奇两合公司 Hydraulic column clamping device
US7669261B2 (en) 2005-11-10 2010-03-02 Maquet Gmbh & Co. Kg Apparatus for adjusting the bed of an operating table
US7669258B2 (en) 2005-11-14 2010-03-02 Maquet GbmH & Co. KG Patient bed system
US7694366B2 (en) 2005-11-14 2010-04-13 Maquet Gmbh & Co. Kg Operating table
US7634826B2 (en) 2005-11-14 2009-12-22 Maquet Gmbh & Co. Kg Patient bed system
US7810185B2 (en) 2005-11-14 2010-10-12 Maquet GmbH & Co. KGaA Device for adjusting an operating table
US7818839B2 (en) 2005-11-14 2010-10-26 Maquet GmbH & Co. KGaA Patient bed for an operating table
US7526823B2 (en) 2005-11-14 2009-05-05 Maquet Gmbh & Co. Kg Patient bed system
US7896569B2 (en) 2005-11-14 2011-03-01 Maquet Gmbh & Co. Kg Joint arrangement for the connection of two segments of a patient bed
US8249457B2 (en) 2005-11-14 2012-08-21 Maquet Gmbh & Co. Kg Method and device for bidirectional IR data transfer between a medical treatment table and an operator control device

Also Published As

Publication number Publication date
IT1107279B (en) 1985-11-25
IT7853264V0 (en) 1978-04-28
IT7867973A0 (en) 1978-04-28
DE2719401C2 (en) 1984-10-25
DE2719401B1 (en) 1978-07-27

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Legal Events

Date Code Title Description
ST Notification of lapse