Crane and driving system therefor

Details Crane and driving system therefor Crane and driving system therefor

1987-05-26

1989-06-13

Basinger, Sherman D.

Traversing hoists

With haul-in line

212205, 212209, 212218, B66C 1326

Patent

active

048384380

ABSTRACT:
A crane provided with traveling wheels disposed under a crane frame. The crane includes a hoisting accessory which is adapted to be hoisted by a hoist apparatus. AC motors are provided as travel motors for driving the traveling wheels as well as hoist motors for driving the hoist apparatus. The crane is equipped with a DC power source generating DC power, inverter units converting the DC power into AC power and outputting the AC power, and a change-over or switching arrangement for supplying the AC power to the travel motors when the crane is being moved and to the hoist motors during a hoisting operation of the hoisting accessory.

REFERENCES:
patent: 1585351 (1926-05-01), Ionides
patent: 2596343 (1952-05-01), Spafford
patent: 2822929 (1958-02-01), Kruzic
patent: 3009583 (1961-11-01), Pierson
patent: 3081883 (1963-03-01), Minty
patent: 3788606 (1974-01-01), Solter
patent: 4372725 (1983-02-01), Moore et al.
patent: 4516664 (1985-05-01), Anzai et al.

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