Swivel coupling for illuminated dental handpiece

Details Swivel coupling for illuminated dental handpiece Swivel coupling for illuminated dental handpiece

1984-09-28

1986-07-15

Wilson, John J.

Dentistry

Apparatus

Having means to emit radiation or facilitate viewing of the...

433126, A61C 300

Patent

active

046003843

ABSTRACT:
A swivel coupling for connection between a dental handpiece and a supply hose. The coupling includes a lamp in its handpiece connector portion, and an annular commutator in its hose connector portion. The lamp base is in sliding contact with the commutator to permit swiveling of handpiece portion relative to hose portion. Exhaust air from the handpiece turbine meter passes over and around the lamp and its surrounding structure for heat removal.

REFERENCES:
patent: 4260382 (1981-04-01), Thomson
patent: 4334863 (1982-06-01), Magid et al.
patent: 4403959 (1983-09-01), Hatakeyama
patent: 4460337 (1984-07-01), Landgraf
patent: 4514169 (1985-04-01), Strohmaier
patent: 4518355 (1985-05-01), Hoffmeister et al.

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