Apparatus for increasing the load handling capability of support

Details Apparatus for increasing the load handling capability of support Apparatus for increasing the load handling capability of support

1989-01-12

1989-09-19

Levy, Stuart S.

Implements or apparatus for applying pushing or pulling force

Apparatus for hauling or hoisting load, including driven...

Device includes rotatably driven, cable contacting drum

254392, 254900, B66D 100

Patent

active

048674184

ABSTRACT:
A method and apparatus for increasing the load handling capacity of a system, having at least one fluid driven compensating means, incorporates a booster fluid actuated piston cylinder assembly interconnecting portions of the compensating system so as to substantially affect the force reacting characteristics thereof, whereby greater loads will produce lesser movement of the compensating means.

REFERENCES:
patent: Re28218 (1974-10-01), Hanes et al.
patent: 3743249 (1973-07-01), van Daalen
patent: 3788073 (1974-01-01), Castela et al.
patent: 3791628 (1974-02-01), Burns et al.
patent: 3804183 (1974-04-01), Duncan et al.
patent: 3841770 (1974-10-01), Childs
patent: 3877680 (1975-04-01), Childs et al.
patent: 3912227 (1975-10-01), Meeker et al.
patent: 3940111 (1976-02-01), Castela et al.
patent: 4421173 (1983-12-01), Beakley et al.
patent: 4535972 (1987-08-01), Millheim et al.

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