Motor vehicles – Special driving device – Portable track
Patent
1998-04-02
2000-04-11
Schwartz, Christopher P.
Motor vehicles
Special driving device
Portable track
B62D 5500
Patent
active
060477857
ABSTRACT:
A paving machine that is driven by track assemblies utilizing continuous rubber belts uses a motor and planetary gear reduction combination on each drive wheel to drive each belt. Each planetary gear includes a planetary joint connection between a rotating and a non-rotating portion, with an elastomeric seal therein to retain lubricating fluid in the planetary housing. Each drive wheel is formed from a pair of annular ring members rigidly connected together and spaced apart to provide a passage for directing debris falling from a rotating drive wheel away from the planetary joint, to minimize damage to the seal.
REFERENCES:
patent: 3913985 (1975-10-01), Orr
patent: 5352029 (1994-10-01), Nagorcka
patent: 5401218 (1995-03-01), Rassieur
patent: 5899541 (1999-05-01), Ying
Rau Jerry F.
Roth Thomas A.
Snyder Craig L.
Thomason Thomas
Webb Randy
Bartz C. T.
Blaw-Knox Construction Equip. Corp.
Schwartz Christopher P.
Selko John J.
Ussai Mark A.
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