Apparatus for actuating operating valve unit for winch

Details Apparatus for actuating operating valve unit for winch Apparatus for actuating operating valve unit for winch

B - Operations, Transporting

66

C

254/96

B66C 13/12 (2006.01) B66D 1/26 (2006.01) B66D 1/44 (2006.01) F16K 35/04 (2006.01) G05G 5/00 (2006.01)

Patent

CA 1062233

TITLE OF THE INVENTION APPARATUS FOR ACTUATING OPERATING VALVE UNIT FOR WINCH ABSTRACT OF THE DISCLOSURE An apparatus for actuating an operating valve unit for winch comprising a casing, a first shaft fixedly supported within said casing, second and third shafts rotatably supported within said casing, said second and third shafts being operatively connected with a hook lever and a boom lever, respectively. Said valve unit includes six valves for operating a hook clutch, a hook brake, a boom clutch, a boom brake, a lifting clutch, and a lower clutch, respectively. First and second cams are slidably and rotatably mount- ed on said first shaft and a third cam is rotatably but not slidably mounted on said first shaft. Said first shaft is opera- tively connected with said second and third shafts, respectively, so as to selectively actuate said valves in response to opera- tions of said hook lever and said boom lever.

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