F - Mech Eng,Light,Heat,Weapons – 16 – B
Patent
F - Mech Eng,Light,Heat,Weapons
16
B
F16B 21/09 (2006.01) E02F 3/58 (2006.01) F16C 11/04 (2006.01)
Patent
CA 2086044
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 pin 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 bushing, 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 is prevented without the necessity of resorting to close- tolerance machining at the field erection site.
Kallenberger Harvey
Tossenberger Emeric
Harnischfeger Technologies Inc.
Ridout & Maybee Llp
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