Two valves and a common control therefor

Details Two valves and a common control therefor Two valves and a common control therefor

G - Physics

05

G

G05G 9/04 (2006.01) B63B 35/14 (2006.01)

Patent

CA 2089812

ABSTRACT Valves and a common control therefor are disclosed in connection with an installation in a boat for use in hauling and servicing traps such as lobster traps. Such a boat has a line hauler and a davit provided with a snatch block and the davit is mounted to swing between positions in which the snatch block is located inboard above a washboard or with the snatch block outboard with the line to the trap trained over the snatch block and about the hauler. There are two valve controlled hydraulic circuits of which one controls the hauler and the other the davit. The control consists of a mount provided with a rotatable support which has a fixed fulcrum and slidably supports a shaft to which an operating handle is pivotally connected to the shaft so that by raising and lowering the handle the shaft is similarly moved and the shaft may be turned by swinging the handle relative to the support. The valves are connected to the shaft in a manner such that they may be independently operated, one only by raising and lowering the handle and the other by using it to turn the shaft.

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