Fail safe mechanism for automatically de-energizing a multi-post

Elevator – industrial lift truck – or stationary lift for vehicle – Stationary lift for roadway vehicle or required component... – Having specific drive means for support

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Details

187 869, 254 89R, B66F 714

Patent

active

039586642

ABSTRACT:
The lifting mechanisms of each of a plurality of columns of a vehicle hoist are synchronously driven by an endless member which may have its power source on one of the columns. A switch to energize and de-energize the power source has a control arm that is coupled, through a lost motion mechanism, to a trigger-like, normally inactive safety mechanism that is held cocked by a safety rod. A rotary idler carried by the safety rod is biased against the endless member in a direction to withdraw the rod from the safety mechanism in the event of a break in the endless member, releasing the trigger energy to effect shifting of the power source switch to the off position by overriding actuation of the lost motion coupling mechanism.

REFERENCES:
patent: 1585596 (1926-05-01), Menges
patent: 1699785 (1929-01-01), Geiger
patent: 1990241 (1935-02-01), Mizer
patent: 2184801 (1939-12-01), McCarthy
patent: 2230745 (1941-02-01), Eiselstein
patent: 2624546 (1953-01-01), Haumerson
patent: 2639784 (1953-05-01), Strock
patent: 2843223 (1958-07-01), Villars
patent: 2932382 (1960-04-01), James
patent: 3291260 (1966-12-01), Woor
patent: 3687234 (1972-08-01), Gendreau
patent: 3799292 (1974-03-01), Katz

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