Valves and valve actuation – Limit stop – Rotary valve
Patent
1994-08-11
1996-01-09
Rivell, John
Valves and valve actuation
Limit stop
Rotary valve
251293, F16K 3146, F16K 5100
Patent
active
054822513
ABSTRACT:
A rotatable control device or valve including a body housing a control mechanism and a rotatably mounted control shaft connected to the control mechanism. Stops are spaced circumferentially relative to the control shaft. A stop arm is operably connected to the control shaft and engages the stops to limit rotational movement of the control mechanism between first and second positions. An elongated extension is drivingly connected to the stop arm, and an elongated operating handle is connected to the extension with the orientation of the longitudinal axis of the operating handle corresponding in a predetermined relationship to the position of the control member. A registration mechanism permits the extension to be drivingly connected to the stop arm only when the orientation of the longitudinal axis of the operating handle corresponds in the predetermined relationship to the position of the control means.
REFERENCES:
patent: 2198455 (1940-04-01), Mueller et al.
patent: 3744752 (1973-07-01), Massey
patent: 4756507 (1988-07-01), McAndrew
patent: 5014528 (1991-04-01), Roberts
patent: 5183073 (1993-02-01), Roberts
patent: 5188335 (1993-02-01), Pettinaroli
patent: 5240030 (1993-08-01), Wang
Neles--Jamesbury Bulletin B-160-3 (Neles--Jamesbury, Inc., 1988).
Milwaukee Valve Company, Inc.
Rivell John
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