Method of handling slabs by an overhead traveling crane provided

Details Method of handling slabs by an overhead traveling crane provided Method of handling slabs by an overhead traveling crane provided

1982-10-22

1985-01-29

Blix, Trygve M.

Traversing hoists

Methods

212213, 212221, 414786, 414626, B66C 1700, B66C 1706, B65G 300, B65G 904

Patent

active

044960638

ABSTRACT:
A method of handling slabs by an overhead traveling crane having a slab grip lifter comprises disengaging a brake for a lifter swinging motor and a brake for a crab moving motor in the beginning, causing the position of the lifter to be adjusted by a reaction force from a slab when the lifter grips the slab, and causing the lifter to return to its original position after it has gripped the slab.

REFERENCES:
patent: 909804 (1909-01-01), Kendall
patent: 1729891 (1929-10-01), Moore
patent: 2388408 (1945-11-01), Harry
patent: 3244291 (1966-04-01), Dexter
patent: 3247974 (1966-04-01), Dechantsreiter
patent: 3771666 (1973-11-01), Fournier
patent: 3929231 (1975-12-01), Cook
patent: 3972420 (1976-08-01), Stock et al.
patent: 4261609 (1981-04-01), Kraszewski et al.
patent: 4266904 (1981-05-01), Fadness

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