Dental handpiece and wrench therefor

Details Dental handpiece and wrench therefor Dental handpiece and wrench therefor

1975-07-25

1977-04-05

Jones, Jr., James L.

Tools

Wrench, screwdriver, or driver therefor

Machine

B25B 2700

Patent

active

040154890

ABSTRACT:
A dental handpiece and a wrench adapted to be used in combination with the handpiece for securing a dental bur in the handpiece. The handpiece includes a turbine housing, a rotor shaft and a collet threadedly secured in the rotor shaft. The wrench has a plurality of fingers which are adapted to be received in the rotor shaft, and a shaft rotatably mounted in a tube from which the fingers project. The wrench shaft is adapted to threadedly advance or retract the collet relative to the rotor shaft.

REFERENCES:
patent: 2752809 (1956-07-01), Lehmann
patent: 3120706 (1964-02-01), Turchi et al.
patent: 3325899 (1967-06-01), Staunt
patent: 3394623 (1968-07-01), Kinakin

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