Force-indicating toothbrush using magnetic latching

Details Force-indicating toothbrush using magnetic latching Force-indicating toothbrush using magnetic latching

1994-03-22

1994-10-18

Spisich, Mark

Brushing, scrubbing, and general cleaning

Implements

Combined

151671, 434263, A46B 904

Patent

active

053555449

ABSTRACT:
A force indicating toothbrush which uses magnetic latching to hold a movable brush member against a hollow handle. When held by the hollow handle, the bristles of the brush member are pressed against the user's teeth and gums until a predetermined force is reached. The predetermined force causes unlatching of the magnetic latch and movement of the brush member relative to the hollow handle, thereby indicative the user that too much pressure has been exerted against the teeth and gums.

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patent: 5137447 (1992-08-01), Hunter
patent: 5146645 (1992-09-01), Dirksing

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