Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1976-12-13
1978-05-02
Jones, Jr., James L.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
B23P 1904
Patent
active
040866920
ABSTRACT:
An apparatus for removing a tamping tool from a tool holder comprises a mechanism for moving the tamping tool out of the tamping tool holder bore wherein it is frictionally held, the mechanism including a frame attachable to the tamping head, a pair of jacks mounted on the frame and the frame arranged to hold the tamping tool shaft substantially centered therebetween, and a power source for operating the jacks.
REFERENCES:
patent: 3081066 (1963-03-01), Murawski
patent: 3313019 (1967-04-01), Fuselier
patent: 3857158 (1974-12-01), Costello
Franz Plasser Bahnbaumaschinen-Industriegesellschaft G.m.b.H.
Jones Jr. James L.
Kelman Kurt
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