GB641848A - Improved control mechanism for motor operated chairs - Google Patents

Improved control mechanism for motor operated chairs

Info

Publication number
GB641848A
GB641848A GB11801/48A GB1180148A GB641848A GB 641848 A GB641848 A GB 641848A GB 11801/48 A GB11801/48 A GB 11801/48A GB 1180148 A GB1180148 A GB 1180148A GB 641848 A GB641848 A GB 641848A
Authority
GB
United Kingdom
Prior art keywords
ring
carriage
motor
pedals
dental
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
GB11801/48A
Other languages
English (en)
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.)
Ritter Co Inc
Original Assignee
Ritter Co Inc
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 Ritter Co Inc filed Critical Ritter Co Inc
Publication of GB641848A publication Critical patent/GB641848A/en
Expired 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
    • A61G15/02—Chairs with means to adjust position of patient; Controls therefor

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)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
GB11801/48A 1947-06-27 1948-04-29 Improved control mechanism for motor operated chairs Expired GB641848A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US757513A US2651351A (en) 1947-06-27 1947-06-27 Control mechanism for motor operated chairs and the like

Publications (1)

Publication Number Publication Date
GB641848A true GB641848A (en) 1950-08-23

Family

ID=19791794

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11801/48A Expired GB641848A (en) 1947-06-27 1948-04-29 Improved control mechanism for motor operated chairs

Country Status (5)

Country Link
US (1) US2651351A (enrdf_load_stackoverflow)
DE (1) DE838196C (enrdf_load_stackoverflow)
FR (1) FR966087A (enrdf_load_stackoverflow)
GB (1) GB641848A (enrdf_load_stackoverflow)
NL (1) NL68503C (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE965152C (de) * 1954-06-04 1957-06-06 Heinrich Friedrich Carl Samuel Elektrischer Schalter fuer zahnaerztliche Bohrmaschinen
DE1049050B (de) * 1955-03-31 1959-01-22 Alfred Gebauer Einrichtung zum Betrieb zahnaerztlicher Bohrmaschinen
DE1020768B (de) * 1955-11-21 1957-12-12 Wolfgang Goedicke Ringfoermig um den Sockel eines aerztlichen Behandlungsstuhles angeordneter Fussschalter
DE1123082B (de) * 1956-07-13 1962-02-01 Klaus Juergen Henneke Fussbetaetigter elektrischer Anlass- und Umkehrschalter
DE2231234C3 (de) * 1972-06-26 1981-06-19 Siemens AG, 1000 Berlin und 8000 München Fußsteuervorrichtung, insbesondere für zahnärztliche Geräte

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1178733A (en) * 1914-12-26 1916-04-11 Koken Barbers Supply Company Barber-chair.
US1228434A (en) * 1915-03-02 1917-06-05 Edward W Hedberg Chair.
US1242109A (en) * 1915-03-12 1917-10-02 Koken Barbers Supply Company Barber's chair.
US1534270A (en) * 1923-03-03 1925-04-21 Walter F Koken Barber's chair
US1534790A (en) * 1923-12-24 1925-04-21 Walter F Koken Hydroelectric barber chair
US2440644A (en) * 1944-12-18 1948-04-27 David M Powell Rotary seat attachment for barber chairs
US2449385A (en) * 1945-09-17 1948-09-14 Carroll W Johnson Dental chair unit

Also Published As

Publication number Publication date
DE838196C (de) 1952-05-05
US2651351A (en) 1953-09-08
FR966087A (fr) 1952-05-05
NL68503C (enrdf_load_stackoverflow) 1951-08-15

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