Dental handpiece

Details Dental handpiece Dental handpiece

1994-03-14

1996-01-09

Lucchesi, Nicholas D.

Dentistry

Apparatus

Having motor or means to transmit motion from motor to tool

433 84, A61C 108, A61C 110, A61C 112, A61C 1702

Patent

active

054824621

ABSTRACT:
A dental handpiece includes an end grip member having a configuration and shape to be gripped by an operator, such as a dentist, during use. The end grip member has a first end to be connected to a supply and a second end having therein a recess. At least one coolant line to receive coolant when the end grip member is connected to the supply extends through the end grip member. A plurality of tool holders support respective different tools and are interchangeable selectively connectable to and detachable from the second end of the end grip member. Each tool holder has a first end to carry a respective tool and a second end having an extension extended into the recess in the second end of the end grip member when such tool holder is connected thereto. The extension is configured to block coolant passage or to allow coolant passage through a selected portion of the coolant line.

REFERENCES:
patent: 4080737 (1978-03-01), Fleer
patent: 4107846 (1978-08-01), Fleer et al.
patent: 4182038 (1980-01-01), Fleer
patent: 4213756 (1980-07-01), Reich et al.
patent: 4260382 (1981-04-01), Thomson
patent: 4514172 (1985-04-01), Behringer
patent: 4957483 (1990-09-01), Gonser et al.
patent: 5039304 (1991-08-01), Heil
patent: 5156546 (1992-10-01), Frank et al.

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