Brushing – scrubbing – and general cleaning – Machines – Brushing
Patent
1989-12-27
1991-12-03
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Machines
Brushing
15 28, 74 8912, A46B 1308, A46B 708
Patent
active
050689398
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.
REFERENCES:
patent: 1557244 (1925-10-01), Domingue
patent: 2660745 (1953-12-01), Yusko
patent: 2882544 (1959-04-01), Hadidian
patent: 3386118 (1968-06-01), Morioku et al.
patent: 3683442 (1972-08-01), Holly
patent: 4156620 (1979-05-01), Clemens
patent: 4694844 (1987-09-01), Berl et al.
Barish Benjamin J.
Ohad Paz
Roberts Edward L.
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