Road structure – process – or apparatus – Apparatus – Rotating drum – roller or tire
Reexamination Certificate
2008-04-08
2008-04-08
Hartmann, Gary S. (Department: 3671)
Road structure, process, or apparatus
Apparatus
Rotating drum, roller or tire
C404S126000, C280S405100, C280S419000, C280S442000, C180S009460
Reexamination Certificate
active
11366857
ABSTRACT:
A belted asphalt compactor and method are provided. The compactor includes a first unit with a roller frame. A second unit is coupled to the first unit, and is generally identical thereto. At least one mid roller and two end rollers are mounted in the roller frames, and a compactor belt extends about the rollers. Load adjusters are associated with each of the units and operable distribute a load among the rollers. A steering system is operable to rotate one of the first unit and the second unit about a vertical axis relative to the other unit.
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Caterpillar Inc.
Hartmann Gary S.
Liell & McNeil
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