Hoist overload limiter

Details Hoist overload limiter Hoist overload limiter

1982-08-25

1984-07-31

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

254379, B66D 148, B66D 526

Patent

active

044625707

ABSTRACT:
Limiting of hoist overload is accomplished by applying the brake of a pneumatically powered hoist. The brake release signal is interrupted by means of directly sensing the load being lifted by means of this invention, causing the brake to be applied and thus halting the drive mechanism. This device can be applied to any load bearing member such as chain or cable anchors, hooks, connections to trolleys, or other suspension.

REFERENCES:
patent: 3780990 (1973-12-01), Edlund et al.
patent: 3957248 (1976-05-01), Hannson
patent: 4226403 (1980-10-01), Schorling

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