Work holders – Holder inserted within work aperture
Patent
1989-09-25
1991-04-09
Watson, Robert C.
Work holders
Holder inserted within work aperture
254 93R, 254133R, 29252, B66F 300
Patent
active
050058126
ABSTRACT:
A jack and adaptor combination for use in lifting the journaled end of a piston connecting rod of a large industrial engine. The jack has a main body within which a piston shaft is reciprocatingly received. The adaptor has a main body in the form of a plate member, and the plate member has opposed faces. One of the faces has a safety rod device extending therefrom and the opposed face has a plurality of upstanding rod engaging pins extending therefrom in opposition to the safety rod device. The marginal free end of the piston shaft and the safety rod device telescopingly engage one another in a removable and slidable manner while the upstanding pins have opposed ends, with one end being affixed to the plate member and the other end freely extending therefrom so that the pins are received within bolt holes of the rod end. The pins are opposed to the mount means. The plate member, the pins, and the mount member are arranged to be free of the crankshaft journal as the rod end is engaged and lifted.
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Bates Marcus L.
Watson Robert C.
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