Overhead crane with adjustable bearings

Details Overhead crane with adjustable bearings Overhead crane with adjustable bearings

1997-01-08

1998-08-11

Le, Mark T.

Railway rolling stock

Trucks

Overhead crane

1052181, 105220, 280 43, 305116, 295 421, B61F 1500

Patent

active

057912572

ABSTRACT:
An overhead crane adapted to be supported on a pair of spaced apart, generally parallel first and second rails, the crane having a frame having opposite first and second ends, a first wheel rotatably mounted on the first end of the frame, the first wheel being adapted to roll along the first rail, a second wheel rotatably mounted on the second end of the frame, the second wheel being adapted to roll along the second rail, a first bearing assembly supporting the first wheel, a second bearing assembly supporting the second wheel, each of the first and second bearing assemblies including a bearing supporting the associated wheel for rotation relative to the frame about a rotation axis, the rotation axis having a position relative to the frame, and a mechanism connecting the bearing to the frame and allowing the bearing to be fixed in various positions relative to the frame, a hoist supported by the frame, and a load engaging mechanism which is raised and lowered by the hoist.

REFERENCES:
patent: 1375536 (1921-04-01), Ostrander
patent: 2581298 (1952-01-01), Roe
patent: 3334911 (1967-08-01), Enters
patent: 3670357 (1972-06-01), Steigerwald
patent: 4603868 (1986-08-01), Schutz
patent: 4653968 (1987-03-01), Rapata et al.
patent: 4773691 (1988-09-01), Bernd et al.
patent: 5056671 (1991-10-01), Thorsen
patent: 5366232 (1994-11-01), Pozzobon et al.

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