Traversing hoists – Having horizontally swinging boom or bridge – Having trolley thereon
Patent
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
Blix Trygve M.
Potain
VonOphem Remy J.
Williams L. E.
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