Speed-increasing device for a dental handpiece

Details Speed-increasing device for a dental handpiece Speed-increasing device for a dental handpiece

1982-11-18

1984-10-09

Wilson, John J.

Dentistry

Apparatus

Having motor or means to transmit motion from motor to tool

433105, 433114, 408124, A61C 102

Patent

active

044758898

ABSTRACT:
An angle-drive head of a dental handpiece with the housing thereof removable. A speed-increasing pinion is provided for meshing with a drive pinion of the angle-drive. A shaft connected to the pinion extends axially in the head and has a speed-increasing pinion for developing a greater speed. A speed-increasing device removably coupled to the head has a third speed-increasing pinion and a fourth pinion is coupled thereto. A tool-receiving jaw is provided in the device for coupling to the fourth speed-increasing pinion for being rotationally driven therefrom.

REFERENCES:
patent: 269611 (1882-12-01), Acheson
patent: 937126 (1909-10-01), Wentworth et al.
patent: 950759 (1910-03-01), Weiner
patent: 1945053 (1934-01-01), Lundin
patent: 2138945 (1938-12-01), Stolte et al.
patent: 2228622 (1941-01-01), Emrick
patent: 2377659 (1945-06-01), Zeichner
patent: 3324553 (1967-06-01), Borden

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