Load limiter

Details Load limiter Load limiter

1974-04-04

1976-02-03

Smith, Jr., David

Electricity: circuit makers and breakers

Weight

212 39DB, 254173R, H01H 314

Patent

active

039366227

ABSTRACT:
A load limiter is provided for a lift hoist wherein the upper portion is fastened to the lift hoist and the lower portion is fastened to a load. A micro-switch is mounted on the upper half and actuated by movement of the lower half and is provided with an adjustment screw that can be adjusted to vary the load which will break a circuit of the lift hoist. The micro-switch is used in series with an operating switch to shut off the hoist motor when the load limit is reached to prevent damage to equipment or injury to personnel.

REFERENCES:
patent: 2629851 (1953-02-01), Gilbert
patent: 2636953 (1953-04-01), Hunt
patent: 3728502 (1973-04-01), Hawkins et al.

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