Valves and valve actuation – Fluid actuated or retarded – Pilot or servo type motor
Patent
1976-12-09
1979-01-16
Schwadron, Martin P.
Valves and valve actuation
Fluid actuated or retarded
Pilot or servo type motor
251 45, 251284, 251285, F16K 31145
Patent
active
041345703
ABSTRACT:
A flush valve of the tilting pilot valve type in which stops are provided for the manually or pedal-actuated handle so as to provide a low volume or a normal volume as desired. In one form an attachment having a low volume stop is provided on the conventional handle housing. In another form the conventional housing is replaced by a modified housing provided with the low volume stop. In still another form an attachment in the form of a clamp is provided on the handle to provide the low volume.
REFERENCES:
patent: 1573092 (1926-02-01), Russell
patent: 1894741 (1933-01-01), Hartog
patent: 1912937 (1933-06-01), George
patent: 1998155 (1935-04-01), Cadwell et al.
patent: 2066086 (1936-12-01), Wilson
patent: 2472576 (1949-06-01), Dobrick
patent: 2612187 (1952-09-01), Romanelli et al.
patent: 2620826 (1952-12-01), Johns
patent: 2738946 (1956-03-01), Filliung
patent: 3194501 (1965-07-01), Cape
patent: 3207467 (1965-09-01), Buhler
patent: 3406940 (1968-10-01), Kertell
Schwadron Martin P.
Walton G. L.
Wood Gordon
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