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US 6,145,135 AGranted
Helical drain plunger
AssigneeEquity Earnings Corp. DBA Designer Products
InventorsDan B. Pool, David F. Kreitzer
Life of this patent
Estimating the term…
Abstract
A drain plunger including an elongate handle having a first end and a second end. A generally cylindrical chamber having a continuous side wall defining a void and having a first end coupled to the handle. A second end of the chamber forms a nozzle defining an opening in communication with the void. The side wall including a spiral pleat encircling the void and movable between a compressed position and an expanded position for imparting a vortex motion to water drawn through and expelled through the nozzle.
Claims16
A drain plunger comprising:
- a chamber having a continuous side wall defining a void;
- an elongate handle having a first end forming a grip, and a second end removably coupled to a first end of the chamber;
- a second end of the chamber forming a nozzle defining an opening in communication with the void;
- and
- the side wall including a spiral pleat encircling the void and movable between a compressed position and an expanded position for imparting a vortex motion to water drawn through and expelled through the nozzle.
2 more elements
A drain plunger comprising:
- an elongate handle having a first end and a second end;
- a generally cylindrical chamber having a continuous side wall defining a void;
- a first end of the chamber coupled to the second end of the handle;
- a second end of the chamber forming a nozzle defining an opening in communication with the void;
- and
- a spiral pleat formed in the side wall intermediate the first end of the chamber and the second end of the chamber, the spiral encircling the void and movable between a compressed position and an expanded position to impart a vortex motion to water passing through the opening.
3 more elements
Dependencies are inferred from the claim text.