Dental tools

Details Dental tools Dental tools

1976-03-24

1977-02-22

Peshock, Robert

A61C 110

Patent

active

040085210

ABSTRACT:
A dental tool includes an articulated tubular body member having proximal and distal sections angularly adjustable about an elbow housing. An axial drive shaft is located in the proximal section and a slide member is reciprocable in the distal section and spring urged to a retracted position and coupled to the drive shaft by a rotary to reciprocatory motion translator. The motion translator includes an actuator located in the elbow section and limited to a rocking motion and rotatably engaging an eccentric projection forwardly from the shaft at an angle thereto and a connecting rod having spherical ends which respectively engage a mating gripping socket in the actuator eccentric to the pin and a mating gripping socket at the rear of the slide member. A tool holding chuck is carried by the distal end of the slide member. In a modified form the retractor spring is omitted and the connecting rod is coupled to the slide member by a rack and pinion. The reciprocating stroke of the slide member is insignificantly affected by its angle to the drive shaft.

REFERENCES:
patent: 170342 (1875-11-01), Buckingham et al.
patent: 597469 (1898-01-01), Marshall

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