Dental chair operating apparatus

Details Dental chair operating apparatus Dental chair operating apparatus

1982-09-28

1986-02-25

Lyddane, William E.

Chairs and seats

Legrest or footrest interconnected to move relative to...

Relatively movable rest sections move simultaneously

297 83, 297 91, 297330, 297340, A47C 1035

Patent

active

045725730

ABSTRACT:
A dental chair operating apparatus developed in relation to the underseat and the backrest. The uses for the present chair and integral underseat and backrest configuration include human dental, medical, beauty parlor, and barber shop treatment facilities and installations. The present chair, e.g. a dental chair, is one with a hip section of the underseat baseboard on top of a vertical motion apparatus on top of a base plate; a movable circular arc board with backrest baseboard tilts by an oil-pressured cylinder. The present chair configuration is basically automatic, however it may also be manually manipulated.

REFERENCES:
patent: 910357 (1909-01-01), Case
patent: 2714922 (1955-08-01), McKibban et al.
patent: 3330595 (1967-07-01), Svard
patent: 3338632 (1967-08-01), Kleinsorge
patent: 3414324 (1968-12-01), Taylor et al.
patent: 3792905 (1974-02-01), Johnson

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