Machine element or mechanism – Alternate manual or power operators
Patent
1981-04-09
1984-02-07
Staab, Lawrence J.
Machine element or mechanism
Alternate manual or power operators
192 481, 192114R, 251130, F16H 3500, F16K 3102
Patent
active
044295910
ABSTRACT:
A drive shifting apparatus for a valve control and the like is provided with a source of power for motor operation, a separate source of power for hand operation and a shifting means shiftable between the hand power and motor power sources. The shifting means may be a spring loaded clutch normally connecting the motor power source with the valve control, a latch means to hold the clutch in the hand power position against the spring pressure and a cam on the motor automatically releasing the latch when the motor is energized.
REFERENCES:
patent: 831974 (1906-09-01), Muller
patent: 858651 (1907-07-01), Griffith
patent: 884529 (1908-04-01), Seib et al.
patent: 1133318 (1915-03-01), Rindeleisch
patent: 1942549 (1934-01-01), Hampton
patent: 2370025 (1945-02-01), Edelman
patent: 2745294 (1956-05-01), Kron
patent: 2775908 (1957-01-01), Elliott et al.
patent: 2886365 (1959-05-01), Fox et al.
patent: 2916947 (1959-12-01), Morrell
patent: 3292452 (1966-12-01), Nordstrom et al.
patent: 3302430 (1967-02-01), Maursey
patent: 3383948 (1968-05-01), Palmer et al.
patent: 3515250 (1970-06-01), Cantalupo
patent: 4022309 (1977-05-01), Denkowski
patent: 4089398 (1978-05-01), Stratienko
Weber Paul
Zuch Howard W.
EIM Company, Inc.
Staab Lawrence J.
LandOfFree
Drive shifting apparatus for valve control and the like does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Drive shifting apparatus for valve control and the like, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Drive shifting apparatus for valve control and the like will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2156523