Earth working – With drive means for tool or cleaner – Vibrating tool
Patent
1988-04-20
1989-11-07
Johnson, Richard J.
Earth working
With drive means for tool or cleaner
Vibrating tool
172125, 172464, 404117, A01B 2902, A01B 3518
Patent
active
048785440
ABSTRACT:
A compaction roller machinery assembly (10) suspended from the rear of a bulldozer (12) for compacting surfaces such as sand. The assembly (10) includes a vehicle (12) having a power plant for driving the assembly, a vibratory compaction roller (18) extending in a cantilevered fashion from a pivot axis on the vehicle for compacting a surface and a roller lift assembly (20) mounted to the vehicle (12) and interconnecting the vibratory compaction roller (18) and the vehicle (12) raising and lowering the vibratory compaction roller (18) about the pivot axis between a raised position and a surface engaged position. The vibratory compaction roller (18) includes a roller (22) for rolling and compacting surfaces and a vibration producing mechanism for vibrating the roller to facilitate the compaction of the surfaces. In addition, the assembly includes a first and second hydraulic pump disposed on the vehicle (12) for supplying hydraulic power to the roller lift assembly for raising and lowering the roller and to the hydraulic vibration producing mechanism (24) on the vibratory compaction roller (18) to vibrate the roller (22) to facilitate the compaction of the surface.
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Johnson Richard J.
Thompson Jeffrey L.
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