Electrically driven toothbrush
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 30, 1984
Grant Date -
N/A
app pub date -
Feb 8, 1982
filing date -
Feb 8, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electrically driven toothbrush comprising a casing (2) for use as a handle which supports an electric motor (10) a motor reversing means (4) and a speed reducing means (26,18); a stem (46) extending from the handle with a brushhead at one end of the stem, the rotary motion of the stem being in use continuous until reversed by manual operation of the motor reversing means (4). Another version has no motor reversing means and has an oscillating brushhead (74) driven by a slotted roller (70) and an eccentric pin (74) on a shaft (78) within the stem (46).
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Family
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Cited Art Landscape
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