Travelling mechanism of a rail-movable lifting device

Details Travelling mechanism of a rail-movable lifting device Travelling mechanism of a rail-movable lifting device

1998-03-13

2000-04-18

Le, Mark T.

Railway rolling stock

Locomotives

Gripping drivers

105 33, 105153, B61B 300

Patent

active

060501987

ABSTRACT:
A travelling mechanism for a rail-movable lifting device includes a carrier with running wheels which roll on a longitudinally extending running surface of a rail. A double lever is pivotally mounted on the carrier. A drivable friction wheel that is positionable on a longitudinally extending friction surface of the rail is rotatably mounted on the double lever. An opposing side of the double lever supports the lifting device, whereby the double lever presses the friction wheel against the friction surface of the rail by a force under the weight of the lifting device.

REFERENCES:
patent: 1367572 (1921-02-01), Tellin
patent: 3498236 (1970-03-01), Meek
patent: 3572471 (1971-03-01), Martelee
patent: 4172423 (1979-10-01), Monne
patent: 4318346 (1982-03-01), Sessum
patent: 4372452 (1983-02-01), McCord
patent: 5231933 (1993-08-01), DiRosa
patent: 5419260 (1995-05-01), Hamilton

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