Vibration control for asphalt roadway compactor

Details Vibration control for asphalt roadway compactor Vibration control for asphalt roadway compactor

1978-09-07

1980-02-05

Byers, Jr., Nile C.

Road structure, process, or apparatus

Apparatus

Means to agitate material

307123, 180 77H, E01C 1938

Patent

active

041870360

ABSTRACT:
A dual roll vibratory compactor is provided with a single lever control for initiating travel in either direction and then starting the rotation of the eccentric weights to vibrate the rolls. Either or both rolls vibrate at low or high selected frequencies according to travel direction. A mode control switch is provided to provide the desired selections. A switch for reversing the selections is provided to maintain the same selections when the compactor is turned around.

REFERENCES:
patent: 3543656 (1970-12-01), Roettger
patent: 3605583 (1971-09-01), Keppler
patent: 3797954 (1974-03-01), Harris
patent: 3901617 (1975-08-01), Herbst

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