Pendant switch assembly for hoists

Details Pendant switch assembly for hoists Pendant switch assembly for hoists

1974-07-29

1976-01-06

Scott, James R.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200153LB, H01H 2110

Patent

active

039314863

ABSTRACT:
A hand-held pendant control for remotely mounted hoists has a human engineered control handle portion and a body portion within which various hoist switches are compactly mounted and actuated by a main actuator on the handle portion. The pendant handle is formed to conform to a hand of the hoist operator and has the main actuator, a single rocker member, recess mounted in the handle to be activated by the thumb of the hand holding the handle. The body portion of the pendant has a series of adjoining micro-switches mounted on a mounting plate which is retained between a pair of end formed slots within the body portion of the pendant. A shaft having a series of stepped sections is connected to the main actuator to be rotated thereby with the stepped portions actuating various of the micro-switches at various rotation positions. The shaft is springbiased toward a neutral position and has a pressure catch assembly for retaining the shaft in the various switch actuating positions against the force of the biasing spring.

REFERENCES:
patent: 3511951 (1970-05-01), Miller
patent: 3704355 (1972-11-01), Lichenvort et al.
patent: 3725624 (1973-04-01), Emmons
patent: 3769480 (1973-10-01), Lee

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