Force-indicating toothbrush using magnetic latching
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United States of America Patent
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-
Oct 18, 1994
Issued Date -
N/A
app pub date -
Mar 22, 1994
filing date -
Nov 22, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
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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Family
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