Positive shut-off, metered water control system for flush tanks

Details Positive shut-off, metered water control system for flush tanks Positive shut-off, metered water control system for flush tanks

1989-01-18

1990-04-17

Sholl, Linda J.

Baths, closets, sinks, and spittoons

Flush closet

Tank only

4415, 222 16, 222 20, 251230, E03D 136

Patent

active

049167626

ABSTRACT:
A device for metering the flow of water into the tank and bowl of a toilet and providing a positive shut-off of the flow. When the toilet handle is turned, a linkage rotates a cam to force the stopper from its seat thereby commencing water flow. Water flows through a flow channel and past a water wheel imparting a rotation thereto. The water wheel is gearably connected to the cam thereby rotating the cam. When the cam has rotated to position a notch over the stopper stem, the stopper is reseated by the pressure of the water and water flow ceases. The amount of water flow permitted is a function of the number of cam notches and flow nozzle size.

REFERENCES:
patent: 1145791 (1915-06-01), Pigott
patent: 1407752 (1922-02-01), Johns
patent: 1552261 (1925-08-01), Belcher
patent: 1809440 (1931-06-01), Elder
patent: 3902201 (1975-09-01), Bobo
patent: 4280530 (1981-07-01), Yi
patent: 4335852 (1982-06-01), Chow
patent: 4624444 (1986-11-01), Johnson
patent: 4633905 (1987-01-01), Wang
patent: 4708264 (1987-11-01), Brunninga

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