Lever with powered accessory

Details Lever with powered accessory Lever with powered accessory

1977-05-09

1979-02-27

Maslousky, Paul E.

Motors: expansible chamber type

Working member position feedback to motive fluid control

Follower type

91391R, F15B 910, F15B 1310

Patent

active

041412826

ABSTRACT:
A lever with a powered accessory for forcing against a resistance so that an initial manual operation can be applied to the lever and subsequently a powered force will be applied to the lever. The powered apparatus is shown to be a fluid cylinder assembly attached with the lever for assisting the pivot of the lever, and linkage attaches to the lever and extends to a valve or the like which is to be operated and which presents the resistance to be overcome. Fluid switches are disposed adjacent the lever and are activated according to the initial pivoting of the lever for controlling the flow of fluid to the cylinder assembly and thus to achieve the power assist in the pivot of the lever and the actuation of the resisting valve.

REFERENCES:
patent: 1851274 (1932-03-01), Coates
patent: 2551273 (1951-05-01), Lisle et al.
patent: 3078828 (1963-02-01), Heacock
patent: 3180233 (1965-04-01), Jablonsky
patent: 3927602 (1975-12-01), Strouff
patent: 3952631 (1976-04-01), Strouff
patent: 3978770 (1976-09-01), Strouff

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