Overload protection system for a crane

Details Overload protection system for a crane Overload protection system for a crane

1985-09-25

1988-11-29

Basinger, Sherman D.

Traversing hoists

With haul-in line

212155, 212262, 340685, B66C 1318

Patent

active

047875240

ABSTRACT:
An adaptive multi-stage overload protection system for a crane provides an optimal response dependent upon the magnitude of the crane overload. The control system permits the crane operator to take remedial action for overloads of relatively low magnitude, but automatically reponds to dangerous overload conditions. Under extreme conditions, the hoist line is permitted topay out, but only if less drastic responses have not adequately or timely corrected the overload condition.

REFERENCES:
patent: 1437987 (1922-12-01), Miller
patent: 1614575 (1927-01-01), Siebs
patent: 1700313 (1929-01-01), Greve
patent: 1763078 (1930-06-01), Yougken
patent: 2846162 (1958-08-01), Allin
patent: 3334756 (1967-08-01), Whitmire
patent: 3604744 (1971-09-01), Wright
patent: 3771667 (1973-11-01), Becker et al.
patent: 4354608 (1982-10-01), Wudtke
patent: 4411368 (1983-10-01), Manjot

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