Rotating electric switch actuated by fixed magnetic means, usable for a surface cleaning device
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United States of America Patent
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-
Sep 25, 1990
Issued Date -
N/A
app pub date -
Jul 26, 1989
filing date -
Jul 22, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A rotary electrical switch is provide for a portable power operated surface treating device having a fixed handle assembly, a hollow generally cylindrical roller supported for rotation on and relative to the handle assembly, and an absorbent generally cylindrical applicator sleeve coaxially supported on said roller for rotation therewith. The roller is driven by an electrical motor contained within it and powered by a rechargeable battery also supported within the roller. Operation of the motor is controlled by the rotary electrical switch which includes a pair of magnetically responsive electrical switch contacts contained within the roller and a magnetic switch actuator mounted on the handle assembly.
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