Dental handpiece

Details Dental handpiece Dental handpiece

1979-12-11

1981-02-17

Peshock, Robert

Dentistry

Apparatus

Having motor or means to transmit motion from motor to tool

433116, A61C 108

Patent

active

042512123

ABSTRACT:
A dental handpiece having a first section rotatably mounted on an axis of a drive motor part and supporting a head part at the other end, characterized by the head part being releasably connected to the first section and a rotatable coupling in the cooling lines between the drive motor part and the first section being free from uncoupling when changing the head part to change the drive ratio of the drive train. In addition, the head part has a protective sleeve which surrounds the first section and the rotatable coupling so that the rotatable coupling and first section are not subjected to sterilization with adverse effects to the coupling and to the condition of the lubricant in the various bearings in the drive train.

REFERENCES:
patent: 866518 (1907-09-01), Repsold
patent: 2041077 (1936-05-01), Lininger
patent: 2370632 (1945-03-01), Blair
patent: 3436980 (1969-04-01), Loge et al.
patent: 3487546 (1970-01-01), Beierlein et al.
patent: 3657818 (1972-04-01), Garnier
patent: 3909946 (1975-10-01), Watonabe
patent: 4007529 (1977-02-01), Fleer

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