Piston type drain clearing apparatus

Details Piston type drain clearing apparatus Piston type drain clearing apparatus

2005-05-24

2005-05-24

Phillips, Charles E. (Department: 3751)

Baths, closets, sinks, and spittoons

Obstruction remover

Piston

Reexamination Certificate

active

06895606

ABSTRACT:
An apparatus for clearing a clog in a pipe having a diameter, the apparatus including a hollow, rigid cylindrical body, the body having a closed end, an open end and an inside diameter that is less than the diameter of the pipe at the clog thereby providing a mechanical advantage in removing the clog; a piston disposed in the body for reciprocation therein; a rod attached to the piston and extending through an opening in the closed end of the body; a handle located on an upper portion of the rod; and a seal attached to the open end of the body.

REFERENCES:
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patent: 5199114 (1993-04-01), Christopher
patent: 5522094 (1996-06-01), Balazs
patent: 6001086 (1999-12-01), Rammacher
patent: 6192525 (2001-02-01), Tash
patent: 6374427 (2002-04-01), Tash

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