Woodworking – Bark rosser – Tree climber
Patent
1984-08-13
1986-01-28
Bray, W. D.
Woodworking
Bark rosser
Tree climber
144340, B27L 100
Patent
active
045665133
ABSTRACT:
A barking machine having a hollow rotor (1) through which logs to be barked are fed is provided with arms (6) which are pivotally mounted on the rotor (1) and which carry barking tools (5). Spring means are used for bringing the barking tools into abutment with the log surfaces. According to the invention these spring means comprise hysteresis-free gas springs (16) arranged to work at a pressure above 25 bar.
REFERENCES:
patent: 2802495 (1957-08-01), Nicholson
patent: 3361168 (1968-01-01), Brown
patent: 3667517 (1972-06-01), Bentley et al.
Bray W. D.
Weller Innovation AB
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