Woodworking – Special-work machine
Patent
1985-10-28
1987-09-01
Bray, W. D.
Woodworking
Special-work machine
37 2R, A01G 2306
Patent
active
046901833
ABSTRACT:
A self-propelled stump cutter adapted to move under its own power to maneuver into small spaces where stumps might be located close to buildings or to other trees. The device includes a frame with a plurality of hydraulic means to steer the cutting wheel over the stump and to raise and lower the wheel. Hydraulic motors are also used to propel the device.
REFERENCES:
patent: 2912022 (1959-11-01), Ver Ploeg et al.
patent: 3198224 (1965-08-01), Hiley
patent: 3336958 (1967-08-01), Carlton
patent: 3568740 (1971-03-01), Speakman
patent: 3685557 (1972-08-01), Groce
patent: 4074447 (1978-02-01), Shivers, Jr. et al.
patent: 4271879 (1981-06-01), Shivers, Jr. et al.
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