Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1978-02-15
1983-04-19
Smith, James G.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
B23P 1904
Patent
active
043801072
ABSTRACT:
A device for handling connector pins, that is, for inseting and removing pins from alined holes in structural members, comprising a pair of frame plates notched to fit over the structural members and which are formed to receive the hydraulic jack and pump of a conventional tool so that extension of the jack moves the connector pin into or out of position. For insertion, the frame receives a pin in alinement with holes in the structural member, and for removal the frame includes a tray for receiving the pin when it is pushed free. In each case, extension of the jack causes pin movement. The center of gravity of the device, and a suspension member, is to the jack side of the notches so that the device can be manipulated at one side of the lower cord of a crane boom, for example. Jack piston extensions and pin handling tools are provided.
REFERENCES:
patent: 2387551 (1945-10-01), Abramson et al.
patent: 3333320 (1967-08-01), Black
patent: 3390446 (1968-07-01), Ettorre
patent: 3711925 (1973-01-01), Mazer
patent: 3871053 (1975-03-01), Thornsbury
Smith James G.
The Manitowoc Company Inc.
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