F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
74/289, 74/53
F16K 31/46 (2006.01) B66C 13/56 (2006.01) F16K 31/00 (2006.01)
Patent
CA 1127423
ABSTRACT This invention pertains generally to valve operators, especially suited for actuating hydraulic or pneumatic valves such as the control valves of an articulating crane or loading apparatus. In the past, there have been attempts to provide remote controls for such valves in order to permit the operator to move about, and be near the load, rather than remaining at the valves. Such systems have been relatively complex and have generally required a separate motor or actuator for each valve. m e present invention overcomes these deficiencies by providing output shafts for connection to the operating levers of the valves and input shafts disposed telescopi- cally of the output shafts, A drive motor is connected to the input shafts for moving the same in unison along their axes, and detent means are provided for selectively locking the input and output shafts in each pair together. The detent means are operated by electrically energized solenoids which can be controlled remotely, e.g. from a hand held control unit connected to the remainder of the system by a cable.
327630
Gowling Lafleur Henderson Llp
Griffiths Edward E.
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