Tool tensioning device for debarking machine

Details Tool tensioning device for debarking machine Tool tensioning device for debarking machine

1985-12-06

1987-06-16

Bray, W. D.

Woodworking

Bark rosser

Tree climber

144341, B27L 100

Patent

active

046730125

ABSTRACT:
A debarking machine having a plurality of debarking tools spaced circumferentially around a rotor. The debarking tools are movable independently between radially inward positions and dilated positions. Movement of the debarking tools is caused by hydraulic rotary actuators, hydraulic fluid pressure being supplied to the actuators independent hydraulic accumulators, a pair of hydraulic accumulators being provided for each rotary actuator.

REFERENCES:
patent: 2785715 (1957-03-01), Brundell et al.
patent: 2857945 (1958-10-01), Brundell et al.
patent: 2903028 (1959-09-01), Brundell et al.
patent: 3053294 (1962-09-01), Andersson
patent: 3587684 (1971-06-01), Bush, Jr.
patent: 4122877 (1978-10-01), Smith et al.

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