Hoisting systems

Details Hoisting systems Hoisting systems

1985-08-27

1987-03-31

Blix, Trygve M.

Traversing hoists

With haul-in line

212153, 212159, 212174, 212205, B66C 1318, B66C 1316

Patent

active

046536531

ABSTRACT:
A safety system for overhead hoisting cranes is provided which incorporates a overload release coupling in the high speed drive shaft between the prime mover and the gear reducers driving one or more hoist drums with a dual reeving and a safety brake acting on the high speed drive shaft at the gear reducers and controlled by an overrunning clutch and a control means.

REFERENCES:
patent: 3786935 (1974-01-01), Vlazny et al.
patent: 3973679 (1976-08-01), Hass et al.
patent: 4069921 (1978-01-01), Raugulis et al.
patent: 4597497 (1986-07-01), Aberegg
"Improved Safety for Overhead Cranes, E. J. Hall, OEM Design, Aug. 1983.

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