Stump cutter

Details Stump cutter Stump cutter

1992-04-28

1993-04-20

Bray, W. Donald

Woodworking

Special-work machine

37302, A01G 2306

Patent

active

052033880

ABSTRACT:
An improved stump cutting apparatus and particularly a two-wheel trailer type of stump cutting apparatus employing a hydraulic motor, to, through a drive belt connection, drive a cutting wheel, the hydraulic motor being powered by a hydraulic pump directly mounted on a diesel engine strategically located on a cutting wheel boom, giving the unique benefit of thereby increasing cutting stability due to the presence of the substantial mass of the diesel engine and its centrally-balanced orientation.
The cutter boom sweeps side-to-side relative to the hinge head to which it is attached, and the same hinge head provides up and down motion of the cutter boom by owning a pivot located at its bottom end, whose pin unites the same member with the apparatus frame.
The present invention operates in combination with a chip-retaining deck that remains elevationally stationary relative to its transporting wheels throughout the entire stump cutting operation.

REFERENCES:
patent: 2912022 (1959-11-01), Ploeg et al.
patent: 3308860 (1967-03-01), De Shano
patent: 3568740 (1971-03-01), Speakman
patent: 4074447 (1978-02-01), Shivers, Jr. et al.
patent: 4271879 (1981-06-01), Shivers
patent: 4690183 (1987-09-01), Eilentson
patent: 4709736 (1987-12-01), Bellars
patent: 4848423 (1989-07-01), Yoder
Rayco RG 1635-A/SA Spec Data Rayco Manufacturing, Inc. 1991.
Rayco RG 1665(AC) Spec Data Rayco Manufacturing, Inc. 1991.
Rayco RG 1635-A Spec Data Rayco Manufacturing, Inc. 1991.
Rayco RG 1670-DC Spec Data Rayco Manufacturing, Inc. 1991.

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