Strain relief assembly
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United States of America Patent
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Mar 24, 2009
Grant Date -
Sep 27, 2007
app pub date -
Jun 4, 2007
filing date -
Mar 18, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
A spot cleaning apparatus comprises a fluid distribution system, a fluid recovery system, an agitation system, and a controller system to automatically monitor and control inputs and outputs to said systems for removal of spots and stains from a surface without attendance by a user. A suction nozzle and agitation device are mounted to the housing for movement over the surface to be cleaned relative to a stationary housing. Optionally, the spot cleaning apparatus can be operated in a manual mode. In one embodiment, the spot cleaning apparatus comprises a controller for continuously reversing the agitation direction of the agitation system. In another embodiment, the spot cleaning apparatus comprises a modular strain relief assembly. In yet another embodiment, working air is recirculated to the surface to be cleaned through internal ducting.
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