Cable climber safety lock

Details Cable climber safety lock Cable climber safety lock

1974-05-20

1976-07-13

Paperner, L. J.

Brakes

Operators

Speed-responsive

182192, 254156, B60T 812

Patent

active

039688658

ABSTRACT:
A cable climber safety lock is provided that includes a sensing device. The safety lock is installed above and attached to a cable climber, and the safety lock can also be attached to other types of hoists. The safety lock gradually locks onto the cable as the climber accelerates beyond a predetermined speed down the cable and the unit also senses any climber movement on the cable after power is shut off.

REFERENCES:
patent: 660792 (1900-10-01), Gail
patent: 1164980 (1915-12-01), Bergenroth
patent: 2662734 (1953-12-01), Allenbaugh
patent: 2976955 (1961-03-01), Huber
patent: 3240510 (1966-03-01), Spouge
patent: 3301533 (1967-01-01), Pfaff, Jr. et al.
patent: 3351302 (1967-11-01), Lang
patent: 3570816 (1971-03-01), Germond et al.
patent: 3688999 (1972-09-01), Plattner et al.
patent: 3739875 (1973-06-01), Clark et al.
patent: 3830346 (1974-08-01), Watts

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