Ready clamp

Details Ready clamp Ready clamp

1980-11-05

1982-10-19

Rolla, Joseph J.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

24134L, 182112, B66B 500

Patent

active

043545785

ABSTRACT:
A system and clamp for supporting a load such as an elevator in which the clamp is mounted on a cable above the load which is normally supported by and otherwise attached to the cable. The clamp supports the load in the event of failure of structure normally supporting the load between the clamp and load. The clamp includes two members defining between them an extending passage for the cable with one of the members being mounted for movement toward and away from the cable. A cam member is pivotably mounted with a cam surface at a variable radius from the pivot axis in engagement with the one member and attached by cable to the load to pivot and apply a force to the one member to frictionally lock the clamp to the cable and support the load in the event of failure.

REFERENCES:
patent: 473275 (1892-04-01), Wakefield
patent: 674708 (1901-05-01), Noble
patent: 928367 (1909-07-01), DeWitt
patent: 1002947 (1911-09-01), Wallace
patent: 1334925 (1920-03-01), Wilson
patent: 1434802 (1922-11-01), Bear
patent: 2933157 (1960-04-01), Huber
patent: 3386530 (1968-06-01), Thompson
patent: 3967349 (1976-07-01), Christensen
patent: 4077094 (1978-03-01), Swager

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