Electric toothbrush

Details Electric toothbrush Electric toothbrush

1989-02-06

1990-12-04

Roberts, Edward L.

Brushing, scrubbing, and general cleaning

Machines

Brushing

74 23, A46B 1302, F16H 2100

Patent

active

049742787

ABSTRACT:
An electric toothbrush has a gear driven by a motor. On the face of the gear is an eccentric pin upon which a sliding member is located. The eccentric pin engages with a socket in a lever which is securely connected to a brush rod. The lever is moved up and down and simultaneously oscillates due to the rotational movement of the eccentric pin so that the brush rod executes a corresponding movement.

REFERENCES:
patent: 3533119 (1970-10-01), Dokos
patent: 4756202 (1988-07-01), Kawamoto

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