Metal working – Method of mechanical manufacture – Process for making bearing or component thereof
Patent
1993-10-01
1995-01-03
Rosenbaum, Mark
Metal working
Method of mechanical manufacture
Process for making bearing or component thereof
295251, B23P 1100
Patent
active
053774086
ABSTRACT:
The invention is an improvement in a machine having a housing and a pin received in the housing and coupled to a link-like movable part, either directly or with a bushing interposed between the part and the pin the improvement comprises a retainer, preferably of cruciform-shape, which is attached to one end of the and has a plurality of radially-extending retaining arms. The improvement also includes a plurality of arc-shaped abutment members, each of which extends between and is in torque-absorbing contact with a pair of arms. The pin, a wearing component like the movable part or the busing, is intended for eventual replacement when sufficiently worn. The pin is prevented from rotating with respect to the housing which is a non-wearing part expensive to replace or repair. The invention also includes a method for assembling machine components including a housing and a pin so that there is substantially zero clearance between each abutment member and a retainer arm. Relative pin-housing rotational or axial movement prevented without the necessity of resorting to close-tolerance machining at the field erection site.
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Kallenberger Harvey J.
Tossenberger Emeric G.
Harnischfeger Corporation
Hughes S. Thomas
Rosenbaum Mark
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