Mechanically driven toothbrush

Details Mechanically driven toothbrush Mechanically driven toothbrush

1996-11-14

1998-07-14

Scherbel, David

Brushing, scrubbing, and general cleaning

Machines

Brushing

A16B 1302, A16B 706

Patent

active

057784744

ABSTRACT:
A toothbrush has a thin, metal cam shaft rotatably driven about a central longitudinal axis. Tuft blocks are mounted in a head member and constrained to pivot about an axis of a support shaft. Upper sides of the tuft blocks each have a slot which fits somewhat loosely over the cam shaft. During use, the cam shaft causes upstanding ends of bristles to move from side to side.

REFERENCES:
patent: 2175975 (1939-10-01), Steiner
patent: 5077855 (1992-01-01), Ambasz
patent: 5186627 (1993-02-01), Amit
patent: 5259083 (1993-11-01), Stansbury, Jr.
patent: 5504958 (1996-04-01), Herzog

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