Pneumatic actuating device for a toilet flush valve

Details Pneumatic actuating device for a toilet flush valve Pneumatic actuating device for a toilet flush valve

1980-07-03

1981-12-08

Artis, Henry K.

Baths, closets, sinks, and spittoons

Flush closet

Tank only

4408, 4249, 4308, 4361, E03D 504

Patent

active

043040152

ABSTRACT:
A pneumatic actuating device for a toilet flush valve, comprising a cap emplaced on the flush valve housing and having an integral hemispherical bell member extending laterally therefrom, the bell member containing a resilient membrane. A manual pusher provided with a similar hemispherical membrane is connected to the bell member by a hose. A pipe which carries the flush valve plate is connected to a hood having a piston which extends into the membrane in the bell member. Upon actuation of the manual pusher, air flows through the hose, deforming the membrane in the bell member and causing it to lift the piston, thereby opening the flush valve.

REFERENCES:
patent: 2632180 (1953-03-01), Pegler
patent: 2760204 (1956-08-01), Joanis
patent: 3662408 (1972-05-01), Knudtson
patent: 3987501 (1976-10-01), Anderson
patent: 3994029 (1976-11-01), Badders
patent: 4149283 (1979-04-01), Knudtson

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