Brush construction including movably-mounted bristles
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United States of America Patent
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-
Dec 3, 1991
Grant Date -
N/A
app pub date -
Dec 27, 1989
filing date -
Dec 27, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A brush includes a plurality of bristle holders each rotatably mounted in the brush head about its own rotary axis, a plurality of crank arms each coupled to one of the bristle holders for oscillating it about its respective rotary axis, and a rod reciprocatably mounted within the handle and carrying a plurality of pins each received in a slot of one of the crank arms to oscillate the respective bristle holder about its rotary axis upon the reciprocation of the rod. In one described embodiment, the reciprocatable rod is connected to a weight slidably mounted in the handle so that the rod is reciprocated by the weight during manual reciprocation of the handle by a user when using the brush. In another described embodiment, the reciprocatable rod is connected to the handle, and the handle is connected to the brush head by a yielding coupling so that the rod is reciprocated by the handle by a user when using the brush.
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