Underwater cleaning apparatus
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United States of America Patent
Stats
-
Aug 30, 1994
Grant Date -
N/A
app pub date -
Oct 25, 1993
filing date -
Aug 12, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Underwater cleaning apparatus of a general type well-known includes a chamber having an inlet on one side thereof and a pair of outlets on the other side communicating with a pair of passages adapted for connection to a suction hose; a pair of valve seats for the outlets; a valve closure arrangement for the valve seats; a valve closure arrangement including a body, preferably of cylindrical segmental shape, mounted in the chamber to pivot about an axis perpendicular to the plane through the axis of the valve seats and including a closure for each seat with the closures disposed relative to each other and parallel to the pivotable axis such that the closures may close the valve seats alternately on oscillation of the valve body about its axis; and a curved surface connecting the closures with the surface being concavely profiled at least the areas adjacent the closures.
First Claim
Family
International Classification(s)
Cited Art Landscape
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