Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1996-12-31
1999-05-11
Till, Terrence R.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15377, A47L5/22
Patent
active
059014113
ABSTRACT:
A suction tool for an electric vacuum cleaner includes: a suction tool body which is connected to the vacuum cleaner body and has a suction inflow passage therein for conducting a suction air stream from a suction port, to the vacuum cleaner body; and a movable brush which is provided inside the suction inflow passage formed in the suction tool body and is driven by a driver device. In this tool, the movable brush sways and reciprocates back and forth about a support shaft, perpendicular to the direction of the suction inflow stream. Alternatively, the tool may have a linear motor which operates so as to reciprocate a rod which is liked at one end of it with oscillatory plate pivoted inside the suction tool. Further, this movable brush may be formed of a unit which is composed of a sweeping member having a pair of front and rear sweeping parts and a moving brushing part embedded in between, wherein the front sweeping part is shorter than the rear sweeping part.
REFERENCES:
patent: 1773961 (1930-08-01), Dance
patent: 1820350 (1931-08-01), Dance
patent: 2635278 (1953-04-01), Belknap
patent: 4014067 (1977-03-01), Bates
patent: 4020526 (1977-05-01), Johansson
patent: 4272861 (1981-06-01), Notta et al.
patent: 4372004 (1983-02-01), Vermillion
patent: 4430768 (1984-02-01), Novinger
patent: 5557822 (1996-09-01), Yagi et al.
Hato Shigenori
Ishii Kiyoshi
Miyoshi Noriaki
Ohnishi Yuji
Yagi Mikio
Sharp Kabushiki Kaisha
Till Terrence R.
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