Valves and valve actuation – With friction detent
Patent
1978-03-17
1981-06-30
Cline, William R.
Valves and valve actuation
With friction detent
74531, 251308, F16K 3100
Patent
active
042758670
ABSTRACT:
A disc-type valve assembly and method of making same. The assembly includes a valve body having a flowway with a disc-like valve element therein. A shaft has an inner portion directly rigidly connected to the valve element by a pre-stressed self-connection and an outer portion rotatably mounted in the valve body. A handle is directly rigidly connected to the outer portion of the shaft by a pre-stressed self-connection whereby the handle and shaft form a rotating body. A positioning sleeve is interposed in tight pre-stressed relation between the valve body and the rotating body for preventing relative rotation between the bodies under torque loads below a pre-determined magnitude, the positioning sleeve being yieldable under torque loads greater than or equal to that magnitude to permit such rotation.
REFERENCES:
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patent: 2506098 (1950-05-01), Melichar
patent: 2529572 (1950-11-01), Raybould
patent: 3053118 (1962-09-01), Lavallee
patent: 3173462 (1965-03-01), Koeppel
patent: 3306572 (1967-02-01), Dove
patent: 3751003 (1973-08-01), Kass
patent: 3770033 (1973-11-01), Gavillet et al.
patent: 3819149 (1974-06-01), Kinder
patent: 4025050 (1977-05-01), Manki et al.
patent: 4049020 (1977-09-01), Neveux
Cline William R.
Keystone International Inc.
Spiegel H. Jay
LandOfFree
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