Angle piece coupling

Details Angle piece coupling Angle piece coupling

1989-11-20

1991-12-24

Wilson, John J.

Dentistry

Apparatus

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

433126, A61C 308

Patent

active

050747851

ABSTRACT:
The invention is directed to a coupling for connecting dental angle pieces with handpieces. In so doing, an outlet point for the light guide 14 is provided in the angle piece near the tool holder in order to illuminate the work place in the mouth of the patient. The corresponding light source is provided either in the angle piece or in the handpiece, wherein the light is arranged on a slip ring on the coupling side when this light is on the angle piece side. The slip ring which carries the light source when the latter is contained in the angle piece is exchangeable for a ring which has a continuous light guide in place of the light, and a nose is likewise provided in this ring at the same location of the nose on the angle pieces which do not have a light.

REFERENCES:
patent: 4600384 (1986-07-01), Olsen
patent: 4655709 (1987-04-01), Fleer
patent: 4669982 (1987-06-01), Fleer

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