Traveling mechanism in a lifting arrangement which is moveable o

Details Traveling mechanism in a lifting arrangement which is moveable o Traveling mechanism in a lifting arrangement which is moveable o

1997-11-03

2000-05-09

Morano, S. Joseph

Railways

Suspended

Single-rail type

104 89, 104139, 105141, 105146, 105150, 105154, B61B 300, E01B 2522

Patent

active

060588497

ABSTRACT:
A traveling mechanism for a lifting device, especially for a lifting device having a laterally cantilevering boom, is movable on rails with at least two running wheels. A connection element for attaching a load to said traveling mechanism is supported in the rail by the running wheels which are arranged on both sides of the connection element. The connection element has, at the region projecting down out of the rail, at least one running roller which is freely rotatable about a horizontal axis and rolls on a horizontal outer running surface of the rail. To effectively divert horizontal forces and uniformly distribute the vertical forces to the running wheels, running wheel axles are rigidly connected with a running wheel carrier, and the running wheel carrier and connection element are swivelably connected by a universal type joint. In addition, at least one support roller is rotatably mounted at the connection element in the interior of the rail. The support roller freely rotates about a vertical axis and rolls along at least one of the side surfaces to transmit horizontal forces to the rail.

REFERENCES:
patent: 2337200 (1943-12-01), Huntley
patent: 2778512 (1957-01-01), Strona
patent: 4144817 (1979-03-01), Morita
patent: 4172423 (1979-10-01), Monne
patent: 4841871 (1989-06-01), Leibowitz
patent: 5085150 (1992-02-01), Moore et al.

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