Apparatus for lifting the bolster of a railway car truck

Details Apparatus for lifting the bolster of a railway car truck Apparatus for lifting the bolster of a railway car truck

1977-01-10

1978-01-17

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Multiple lifters

B66f 726

Patent

active

040688232

ABSTRACT:
The apparatus comprises: an elongate rigid member of sufficient length so as to sit transversely on a pair of rails; a pair of spaced hydraulic jacks fixedly mounted to the rigid member and each provided at its head portion with a fitting element adapted to engage the under portion of the bolster of a railway car truck; and hydraulic conduits connecting the jacks to an external power source; the apparatus is inserted sidewise between the wheels of the car truck and, once positioned on the rails, it is manually rotated at one end to bring the jacks in vertical alignment with the bolster; the power source is energized to exert a lifting pressure on the bolster so as to free the suspension springs of the car truck from the weight of the car.

REFERENCES:
patent: 2636715 (1953-04-01), Griffin
patent: 2724572 (1955-11-01), Weinberg

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