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US 4,640,325 AGranted
Flail member for debarking trees
AssigneeWeyerhaeuser Company
InventorDennis H. Vaders
Life of this patent
Estimating the term…
Abstract
The present invention provides an improved debarking device of the flail type. A plurality of elongated chain sections are mounted on a rotatable drum is substantially uniform rows. At least some of the chain sections have a lateral vibratory length less than the remaining chain sections.
Claims5
A flail member of the type useful in a debarking system for removing bark from logs as the logs travel relative to the flail member through a debarking station, having the improvement comprising:
- a plurality of laterally spaced chain segments mounted on a rotatable member with the segments being arranged in a plurality of rows, and
- at least some of the chain segments having different lengths thereby defining means providing a different lateral vibratory frequency upon impact with the logs.
Dependencies are inferred from the claim text.