Control apparatus for a distribution crane equipped with a cable

Details Control apparatus for a distribution crane equipped with a cable Control apparatus for a distribution crane equipped with a cable

1979-07-30

1982-08-10

Blix, Trygve M.

Traversing hoists

Having horizontally swinging boom or bridge

Having trolley thereon

74764, 212221, B66C 300

Patent

active

043434061

ABSTRACT:
The bucket lift of a distribution crane is controlled by a device which includes a single drum hoist. A second single drum hoist is used to shut the bucket by means of two cables routed on the two pulleys located on the tip of the boom. The movement of the distribution carrier along the boom of the crane is controlled by a distribution hoist which includes two drums that are bound in rotation with the two drums of the lifting and shutting, through an epicyclic gear set. As the dsitribution hoist is activated, the bucket moves horizontally, thus reducing the amount of strain put on the distribution hoist, as well as the cable wear.

REFERENCES:
patent: 849257 (1907-04-01), Moss
patent: 1968493 (1934-07-01), Kersting
patent: 2094131 (1937-09-01), McLean
patent: 2548270 (1951-04-01), Osgood
patent: 3043444 (1962-07-01), Melton
patent: 3092370 (1963-06-01), Kennedy
patent: 3572703 (1971-03-01), Greene
patent: 3837503 (1974-09-01), Komatsu

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