Secondary overspeed brake for cable climber

Details Secondary overspeed brake for cable climber Secondary overspeed brake for cable climber

1974-09-10

1976-10-05

Spar, Robert J.

Implements or apparatus for applying pushing or pulling force

Step-by-step traveling bar

Pawl actuated

188188, B66D 516

Patent

active

039840832

ABSTRACT:
The secondary overspeed assembly for a cable climber or hoist is provided that includes an overspeed sensor assembly. The sensor assembly consists of a bar with a pair of members or weights whose movement is restricted by a spring member, and wherein these weights can move outward only at an overspeed condition.

REFERENCES:
patent: 494407 (1893-03-01), Bradley
patent: 1165583 (1915-12-01), Farmer
patent: 2791397 (1957-05-01), Coffman
patent: 3327811 (1967-06-01), Mastroberte
patent: 3333822 (1967-08-01), Horvath
patent: 3830346 (1974-08-01), Watts

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