Toilet tank valve seat structure

Details Toilet tank valve seat structure Toilet tank valve seat structure

2007-05-15

2007-05-15

Fetsuga, Robert M. (Department: 3751)

Baths, closets, sinks, and spittoons

Flush closet

Tank only

C004S404000

Reexamination Certificate

active

10873154

ABSTRACT:
A toilet tank valve seat structure mainly includes a body and an overflow tube located on one side of the body. The overflow tube consists of an inner tube and an outer tube. The inner tube has a gear rack on one side to couple with a hook located on one end of the outer tube so that the outer tube may be moved up and down to adjust the length of the overflow tube. The body has a valve opening covered by a plug. The plug has an anchor notch bordering by two slots on two sides that provide elasticity to make coupling of the anchor notch easier. The structure provides the overflow tube with an adjustable length according to the water level and makes replacement of the plug easier.

REFERENCES:
patent: 5754986 (1998-05-01), Chien
patent: 2003/0213054 (2003-11-01), Huang

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