Jacking tool for installing and removing draft gears on railway

Details Jacking tool for installing and removing draft gears on railway Jacking tool for installing and removing draft gears on railway

1980-09-22

1982-10-19

Watson, Robert C.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

29261, 254 93R, 91422, 91445, B23P 1904

Patent

active

043543022

ABSTRACT:
A fluid pressure operable jacking tool having oppositely disposed locking arms. With the draft key and coupler removed, the locking arms of the jacking tool, when installed, biasingly engage the coupler cross key slots formed in the draft gear yoke, so that a fluid pressure powered ram of the jacking tool abuts against the draft gear follower. A fluid pressure line is connected to the jacking tool and, when provided with fluid pressure, causes the jacking tool ram head to compress the draft gear to allow removal of the draft gear and jacking tool from the car center sill together. Once removed, pressure is released from the jacking tool to permit separation thereof from the draft gear. If the draft gear is to be installed, a reverse procedure would be employed.

REFERENCES:
patent: 2956336 (1960-10-01), Peterson
patent: 3534661 (1970-10-01), Hettlinger
patent: 3534942 (1970-10-01), Carlson

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