Dental handpiece reduction gear

Details Dental handpiece reduction gear Dental handpiece reduction gear

1979-12-28

1981-12-22

Mancene, Gene

Dentistry

Apparatus

Having motor or means to transmit motion from motor to tool

433126, 433105, 74801, A61C 108, A61C 102

Patent

active

043068650

ABSTRACT:
A modular reduction gear for a dental handpiece comprises an input shaft coupled to the driving motor and provided with a pinion constituting the sun wheel of an epicyclic gear of which the planet carrier is rigid with the adjacent end of the output shaft transmitting the rotary motion to the dental instrument, the carrier supporting three planet pins having mounted thereon for free rotary motion three planet pinions meshing with the sun pinion and with a fixed toothed annulus clamped between the pair of sockets constituting the body of the handpiece.

REFERENCES:
patent: 2721591 (1955-10-01), Criswell
patent: 2780944 (1957-02-01), Ondeck
patent: 3324553 (1967-06-01), Borden
patent: 3487546 (1970-01-01), Beierlein et al.
patent: 3942392 (1976-03-01), Page, Jr. et al.
patent: 4040311 (1977-08-01), Page, Jr. et al.

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