Railways – Traction – Pusher
Patent
1991-02-22
1992-05-26
Oberleitner, Robert J.
Railways
Traction
Pusher
104 96, 1041723, 1041731, 198748, B61M 1300, B61B 300
Patent
active
051157454
ABSTRACT:
An article transporting wheeled cart is reciprocatably moved along a pair of transversely spaced rails by a power transmitting unit detachably mounted between and below the rails and comprising a pair of trolley tracks secured to the upstanding legs of transversely extending longitudinally spaced U-shaped track yokes which have base portions located below the tracks and attached to a fluid pressure cylinder unit longitudinally coextensive with the tracks. A trolley, having a pair of oppositely acting driving dogs engageable with the cart, is supported on the tracks and is connected to a motion transmitter reciprocatably driven by the cylinder unit.
REFERENCES:
patent: 404656 (1889-06-01), Ramsay
patent: 2621609 (1952-12-01), McCaul et al.
patent: 3518946 (1970-07-01), Kavieff
patent: 4616570 (1986-10-01), Dehne
Ellens Daniel S.
Kubsik Robert H.
Farley Joseph W.
Jervis B. Webb Company
Oberleitner Robert J.
Rutherford Kevin D.
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