Road structure – process – or apparatus – Apparatus – Rotating drum – roller or tire
Patent
1986-12-29
1988-05-31
Leppink, James A.
Road structure, process, or apparatus
Apparatus
Rotating drum, roller or tire
404125, E01C 1929
Patent
active
047477261
ABSTRACT:
A screeding machine has hydraulic cylinders for independently raising and lowering the opposite ends of a drive roller to effect steering actions.
REFERENCES:
patent: 1017430 (1912-02-01), Lilleberg
patent: 1584385 (1926-05-01), Lichtenberg
patent: 2048071 (1936-07-01), Jacobsen
patent: 2426702 (1947-09-01), Milliken et al.
patent: 2687679 (1954-08-01), Clary
patent: 3377933 (1968-04-01), Dale
patent: 4115976 (1978-09-01), Rohrer
Garner James D.
Hinnant John M.
Leppink James A.
Smith Matthew
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