Joints and connections – Including distinct packing
Reexamination Certificate
2007-12-18
2007-12-18
Stodola, Daniel P. (Department: 3679)
Joints and connections
Including distinct packing
C403S150000, C403S157000, C403S158000, C403S161000, C403S162000, C172S810000, C037S403000
Reexamination Certificate
active
10436666
ABSTRACT:
A frame for a work machine includes first and second wall portions having an axially aligned bore positioned therein. A boom is positioned between the first and second wall portions and has a bore that is alignable with the bores in the first and second wall portions. A first insert is disposed within the bore of the first wall portion of the frame and a second insert disposed within the bore of the second wall portion of the frame with each insert having a bore therethrough. A pin cartridge assembly is positioned in the bores of the first and second inserts and the boom. The pin cartridge assembly includes a pin having first and second end portions and an outer surface. A first collar having a through bore and a counter bore at one end, the collar is disposed about the outer surface of the pin. A second collar having through bore and a counter bore at one end, the collar is disposed about the outer surface of the pin. A bushing has a stepped bore that is rotatably disposed about the outer surface of the pin. A pair of sleeve bearings, one each being interposed the counter bore of the first and second collars and the stepped bore of the bushing.
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Caterpillar Inc.
Ferguson Michael P.
Greene Jeff A.
Stodola Daniel P.
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