Rotary log debarker with improved air management system

Details Rotary log debarker with improved air management system Rotary log debarker with improved air management system

1991-04-26

1992-03-24

Bray, W. Donald

Woodworking

Bark rosser

Tree climber

92 90, 92 92, 144208R, 144341, B27L 100, F01B 1904

Patent

active

050978802

ABSTRACT:
An air-seal, air-cell rotary-ring-type log debarker which is capable of operating in two different operating modes. In one operating mode, the air seal is nonpressurized, and debarking tools in the debarker are under the actuation control solely of pressure-isolated charged air cells which are carried on the rotary ring in the debarker. In another operating mode, the seal between the rotor and stator is pressurized to allow fluid communication between the two, and tool actuation is under the combined control of the ring-carried air cells and of an external source of selectively variable fluid pressure.

REFERENCES:
patent: 3361168 (1968-01-01), Brown
patent: 4122877 (1978-10-01), Smith et al.
patent: 4566371 (1986-01-01), Jorgensen et al.
patent: 4830072 (1989-05-01), Pousette

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