Safety device for lifts, hoists and like apparatus

Details Safety device for lifts, hoists and like apparatus Safety device for lifts, hoists and like apparatus

1973-11-05

1976-01-27

Blunk, Evon C.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

187 89, 188189, B66B 518

Patent

active

039346820

ABSTRACT:
A safety device for lifts having a lift speed responsive means arranged to be activated when the lift moves at a speed higher than a predetermined speed and when thus activated causes a wheel to rotate, which wheel has a plate against which one or more brake shoes engage under a pressure force.

REFERENCES:
patent: 2990131 (1961-06-01), Carlsson
patent: 3415343 (1968-12-01), Svensson
patent: 3559773 (1971-02-01), Hock
patent: 3695399 (1972-10-01), Laing
patent: 3760910 (1973-09-01), Koshihara

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