Swivel dental handpiece

Details Swivel dental handpiece Swivel dental handpiece

1983-06-09

1985-08-13

Wilson, John J.

Dentistry

Apparatus

Having motor or means to transmit motion from motor to tool

433 82, A61C 108

Patent

active

045347344

ABSTRACT:
An elongated dental handpiece with an air turbine at one end and a supply hose at the other end has two disconnectable casings coupled to swivel about its longitudinal axis. The various supplies for the turbine, including turbine drive air, chip air, water and light, extend through the swivel. Exhaust air from the turbine is carried through all of one casing and is released to the atmosphere in the area where the casings can be disconnected.

REFERENCES:
patent: 3936940 (1976-02-01), Loge
patent: 4175323 (1979-11-01), Eibofner et al.
patent: 4260382 (1981-04-01), Thomson
patent: 4353697 (1982-10-01), Nakanishi
patent: 4354839 (1982-10-01), Schuss
patent: 4403956 (1983-09-01), Nakanishi
patent: 4403958 (1983-09-01), Lohn
patent: 4403959 (1983-09-01), Hatakeyama

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