Railway rolling stock – Motor placement – Axle mounting
Patent
1992-08-17
1994-09-13
Le, Mark T.
Railway rolling stock
Motor placement
Axle mounting
105 2605, 105 341, 1051571, B61C 700
Patent
active
053458788
ABSTRACT:
A railcar moving device for localized moving of railcars in railyards and the like comprises two hydraulic motors which operatively attach to the railcar, each motor being attached to the end of an axle of the car. A rotatable shaft extends from each motor and is securely attached to a hub which in turn is attached to an endcap secured to the end of the axle. The rotation of the rotable shaft under the power of the motor thus rotates the axle and moves the railcar. An elongate torsion arm is secured at its ends to the motors for minimizing intrinsic movement of the motors.
REFERENCES:
patent: 1646310 (1927-10-01), Osthoff
patent: 1911531 (1933-05-01), Roderwald
patent: 2621892 (1952-12-01), Kilness
patent: 3098574 (1963-07-01), Marco
patent: 3120741 (1964-02-01), Stewart
patent: 3232240 (1966-02-01), Stewart
patent: 3653330 (1972-04-01), Yard
patent: 3828690 (1974-08-01), Stewart et al.
patent: 4721430 (1988-01-01), Littke et al.
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