Road structure – process – or apparatus – Apparatus – Rotating drum – roller or tire
Patent
1985-08-30
1987-05-05
Novosad, Stephen J.
Road structure, process, or apparatus
Apparatus
Rotating drum, roller or tire
404122, 404126, E21C 1926
Patent
active
046627790
ABSTRACT:
A road roller includes a pair of rotatable roller drums each having axially opposite end portions and an axis of rotation, the roller drums pivot between a first position at which the roller drums are generally in line with the direction of travel with the axes thereof generally parallel and a second position at which the roller drums are generally laterally offset relative to each other in the direction of travel, the pivoting is effected by a generally vertical pivot axis lying in the plane of the axis of rotation of one of the roller drums and adjacent one of its axial end portions, a pair of frames positioned one relative to each of the roller drums and having opposite first and second end portions, a carrier position in the direction of travel and generally transversely to the axes of rotation of the roller drums in the first and second positions, the carrier having opposite end portions, one of the carrier end portions being connected at the vertical pivot axis to the first end portion of one of the roller drum frames, and a second of the carrier end portions being permanently rigidly fixed to the first end portion of the other of the frames.
REFERENCES:
patent: 3403610 (1968-10-01), Kaltenegger
patent: 3947142 (1976-03-01), Takata et al.
Novosad Stephen J.
Odar Thomas J.
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