Dental handpiece

Details Dental handpiece Dental handpiece

1981-04-13

1983-02-01

Peshock, Robert

Dentistry

Apparatus

Having motor or means to transmit motion from motor to tool

A61C 107

Patent

active

043713416

ABSTRACT:
The present dental handpiece generally comprises a handle portion, a powerhead assembly integrally and perpendicularly linked to the handle portion, a bushing integrally inserted into the handle portion, a rotating driving shaft journaled for rotation by means of a sleeve in the bushing, the rotating driving shaft having an integral circular disc at its top end portion, the circular disc carrying around its periphery a pinion lug which is parallel to both the disc and the rotating driving shaft, a hollow cylinder kept in motion inside the powerhead assembly at its top end held by a bushing and at its lower end by a bushing cap respectively, the rotating driving shaft having an arc-shaped longitudinal slot, a roller bearing slidably inserted into the slot and the pinion lug being slidably inserted into the central horizontal opening of the roller bearing to couple the rotating driving shaft to the rotating driven shaft whereby a drilling tool is driven to rotate in one direction and in the opposite direction alternately through a circular rotation of the driving shaft.

REFERENCES:
patent: 2135933 (1938-11-01), Blair
patent: 3552022 (1971-01-01), Axelsson

Affiliated with

Also associated with

Rating

Dental handpiece does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Dental handpiece, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dental handpiece will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2406621