Cleaning and liquid contact with solids – Processes – Using solid work treating agents
Patent
1997-12-01
1999-11-23
Warden, Jill
Cleaning and liquid contact with solids
Processes
Using solid work treating agents
134 8, 134 221, 1341041, 52 12, B08B 900, E04D 1300
Patent
active
059893575
ABSTRACT:
A remotely-controllable self-cleaning roof gutter preferably has a selectively inflatable and deflatable bladder extending longitudinally along the interior of the roof gutter. The bladder has an interior chamber connected to a fluid conduit which extends downwardly from the gutter so that the inflation or deflation of the bladder can be controlled manually by a person standing on the ground. When the gutter is to be cleaned, the normally deflated bladder is inflated by introducing pressurized fluid into the conduit which causes the bladder to lift debris toward the top of the gutter and dump it over the top of the gutter onto the ground by gravity. Thereafter, the bladder is deflated and the gutter is restored to normal usage. Preferably, a fluid-permeable screening member is mounted immediately above the gutter drain and is liftable by the inflated bladder in unison with the debris so that debris surrounding the screening member is likewise removed by gravity.
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Vilhauer Allison L.
Vilhauer, Jr. Jacob E.
Chaudhry Saeed
Warden Jill
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