Wheel substitutes for land vehicles – With track support intermediate of end wheels – With roller support contacting lower track run
Reexamination Certificate
2008-10-22
2010-11-16
Bellinger, Jason R (Department: 3617)
Wheel substitutes for land vehicles
With track support intermediate of end wheels
With roller support contacting lower track run
C305S119000
Reexamination Certificate
active
07832815
ABSTRACT:
A track roller assembly for a track-type machine such as an excavator or a tractor includes an outer surface with no fluid ports and an inner surface free from any fluids. The track roller includes a shaft resting on self-lubricated bushings, which include a substrate that has lubricating properties, such as a substrate that carries a solid lubricant. The track roller assembly also includes a collar and a retention plate on both sides of the shaft.
REFERENCES:
patent: 1796533 (1931-03-01), Pearson
patent: 2823079 (1958-02-01), Williams
patent: 2915326 (1959-12-01), Mason
patent: 3073657 (1963-01-01), Oxford
patent: 3088782 (1963-05-01), Conlan
patent: 3116957 (1964-01-01), Fikse
patent: 3147048 (1964-09-01), Johnson et al.
patent: 3736997 (1973-06-01), Bottorf
patent: 3773393 (1973-11-01), Story et al.
patent: 3797895 (1974-03-01), Tomizawa
patent: 3866985 (1975-02-01), Whitehurst
patent: 3871719 (1975-03-01), Boggs
patent: 3955646 (1976-05-01), Luebkemann
patent: 4030178 (1977-06-01), Luebkemann
patent: 4083610 (1978-04-01), Kruchowski
patent: 4209205 (1980-06-01), Gregg et al.
patent: 4815794 (1989-03-01), Becker et al.
patent: 5178470 (1993-01-01), Unick
patent: 5302012 (1994-04-01), Dester et al.
patent: 5669680 (1997-09-01), Bertoni
patent: 7213894 (2007-05-01), Yamamoto et al.
patent: 2010/0007205 (2010-01-01), Vanderveen
Bellinger Jason R
Caterpillar Inc
Trousdale Jonathan V.
LandOfFree
Track roller assembly and machine using same does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Track roller assembly and machine using same, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Track roller assembly and machine using same will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4233272