Dental handpiece

Details Dental handpiece Dental handpiece

1979-02-21

1981-01-20

Peshock, Robert

Dentistry

Apparatus

Having motor or means to transmit motion from motor to tool

433105, 433126, A61C 110

Patent

active

042459850

ABSTRACT:
A dental handpiece having a holding sleeve, a driven shaft rotatable in the holding sleeve to drive a dental instrument, a driving device releasably connected to the holding sleeve and having a drive shaft which is drivingly connected to the driven shaft via a drive-transmission unit which is removably mounted in the holding sleeve. The unit comprises a bearing sleeve which houses one or more shafts, and optionally a ball-type planetary transmission, and is mountable in and removable from the holding sleeve through an end of the holding sleeve remote from the instrument end of the handpiece. The bearing sleeve is secured in the holding sleeve against axial and rotational movement relative to the holding sleeve.

REFERENCES:
patent: 2010421 (1935-08-01), Terry
patent: 3229369 (1966-01-01), Hoffmeister et al.
patent: 3411212 (1968-11-01), Staunt

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