Retractable stacker guard

Details Retractable stacker guard Retractable stacker guard

1974-10-21

1976-01-27

Spar, Robert J.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

187 9E, 214DIG7, 280150C, 296107, B66B 900

Patent

active

039346790

ABSTRACT:
A retractable overhead guard for use on vertical lifting machines which protects an operator of such equipment from falling objects or material. The overhead guard swings down into protective position in response to vertical load lifting movement by the machine and retracts to a non-obstructing position in response to load-lowering movement of the machine.

REFERENCES:
patent: 3374909 (1968-03-01), Ferwerda
patent: 3841698 (1974-10-01), Stammen
patent: 3844382 (1974-10-01), Mecklenburg

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