Baths – closets – sinks – and spittoons – Obstruction remover – Connected to a source of external fluid under pressure
Patent
1993-02-16
1993-11-16
Phillips, Charles E.
Baths, closets, sinks, and spittoons
Obstruction remover
Connected to a source of external fluid under pressure
425506, E03D 900
Patent
active
052611280
ABSTRACT:
A multi-purpose water pressure plunger employs a source of pressurized water to dislodge clogs in bathroom drainage pipes and the like. The plunger is fashioned of a resilient cone-shaped cup, a rigid handle, an adjustable valve, and a means of connection to a pressurized source of water. Sealing against and partially extending into a drain opening, the cup permits full thrust of pressurized water into a drainage pipe without a backflow of water. The cup consists of an upper, deformable portion, and a solid, occlusive bottom portion defining a nipple-shaped end and a heightened center region opposite the nipple-shaped end surrounded by a concave recess. A flow of pressurized water is supplied to the cup through an elongated and ridged handle with a lengthwise aperture therethrough. An adjustable valve including a ball component and a regulating lever controls the flow of water into the handle, and thus, to the clogged drain.
As another embodiment, the water pressure plunger comprises a compressible cup defining an interior cavity and including a solid upper portion and a barrel-like bottom which defines a circumferential orifice, the upper portion defining a central passage therethrough ending in a nipple-shaped end positioned within the interior cavity of the compressible cup. A firm elongated handle defining a lengthwise aperture attaches to the compressible cup opposite the nipple-shaped end.
REFERENCES:
patent: 1821900 (1931-09-01), Silvers
patent: 2267064 (1941-12-01), Wikelund
patent: 3336604 (1967-08-01), Lacey et al.
patent: 4238860 (1980-12-01), Dixon
patent: 4320539 (1982-03-01), Li
patent: 4768237 (1988-09-01), Torti
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