Back to results
US 5,343,890 AGranted
Sump protector
OwnerTodd D. Deutchinventor
Life of this patent
Estimating the term…
Abstract
An overflow protector for a sump having a wall defining an open top reservoir includes a stop member forming an abutment along the wall of the reservoir, a floating sleeve member movable between a non-operable position contained within the reservoir and an operable position projecting from the reservoir for increasing the storage capacity of the reservoir, and a sealing arrangement for sealing the sleeve member against the abutment when the sleeve member moves to its operable position.
Claims10
An overflow protector for a sump having a wall defining an open top reservoir comprising:
- a stop member forming an abutment along the wall of said reservoir;
- a floating sleeve member movable between a retracted position contained within said reservoir and an extended position projecting from said reservoir for increasing the storage capacity of said reservoir;
- sealing means for sealing the sleeve member against said abutment when said sleeve member moves to its extended position;
- and
- the bottom of said floating sleeve member is provided with a rubber seal matingly engageable with said stop member when said floating sleeve member is movable to the extended position.
2 more elements
Dependencies are inferred from the claim text.