Toothbrush for controlling brushing-stroke

Details Toothbrush for controlling brushing-stroke Toothbrush for controlling brushing-stroke

1991-05-21

1992-08-04

Hornsby, Harvey C.

Brushing, scrubbing, and general cleaning

Implements

Combined

151671, 151431, 434263, A46B 904

Patent

active

051347431

ABSTRACT:
A toothbrush for controlling brushing-stroke comprises a brush portion studded with bristles; a handle portion extended from the brush portion; a cavity associated with the handle portion for defining a space; and a moving member placed within the space for reciprocally moving within the space by reciprocal movement of the toothbrush and for hitting an end of the space and making a continuous hitting sound when the brushing-stroke of the reciprocal movement of the toothbrush is longer than a predetermined value. The use of the present toothbrush will reduce the brushing stroke until the continuous hitting warning sound ceases to perform the so-called "Bass' method " or "scrubbing method".

REFERENCES:
patent: 2028042 (1936-01-01), Braunstein
patent: 2877477 (1959-03-01), Levin
patent: 2947013 (1960-08-01), Silverman
patent: 4253212 (1981-03-01), Fujita
patent: 4476604 (1984-10-01), White
patent: 4680825 (1987-07-01), White

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