Hydraulic drive for a feller-buncher

Details Hydraulic drive for a feller-buncher Hydraulic drive for a feller-buncher

1999-06-08

2000-03-14

Bray, W. Donald

Woodworking

Special-work machine

Combined

60466, 91450, 91520, 144 341, 144336, 180 143, 180 534, A01G 2308

Patent

active

060359099

ABSTRACT:
An apparatus for felling and bunching trees is disclosed. The apparatus includes a front frame and a front axle supported by the front frame. The apparatus further includes a number of front wheels mounted on the front axle and a work tool supported by the front frame. The work tool has a blade for felling trees and a number of work arms which are movable to secure the trees within the work tool. The apparatus further includes a front hydraulic motor operable to rotate the front axle. The front hydraulic motor is supported by the front frame. The apparatus yet further includes a first hydraulic pump operable to supply pressurized hydraulic fluid to the front motor. The apparatus still further includes a rear frame which is pivotably coupled to the front frame, a rear axle supported by the rear frame, and a number of rear wheels mounted on the rear axle. The apparatus still further includes a rear hydraulic motor operable to rotate the rear axle. The rear hydraulic motor being supported by the rear frame. The apparatus yet further includes a second hydraulic pump operable to supply pressurized hydraulic fluid to the rear motor and an engine operatively coupled to the first hydraulic pump and the second hydraulic pump.

REFERENCES:
patent: 3656570 (1972-04-01), Gortnar et al.
patent: 3687212 (1972-08-01), Forster
patent: 3827720 (1974-08-01), Lee
patent: 3854543 (1974-12-01), Hull
patent: 4039010 (1977-08-01), Tucek
patent: 4077445 (1978-03-01), Wirt
patent: 4207691 (1980-06-01), Hyler et al.
patent: 5427195 (1995-06-01), Paul et al.
patent: 5899292 (1999-05-01), Paul et al.

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