Patent ID: 6244312
Filing Date: 2001-06-12
Classification: B27L

Abstract:
A debarking processing tool for use in log barking machines of the type having a plurality of swinging arms, each swinging arm having an inner end pivotally mounted on a rotatable, annular rotator, and an opposite free outer end including a seat for supporting a debarking processing tool, said swinging arms being actuated by a spring load means for pivoting the outer end inwards towards the axis of rotation of the rotator, said debarking processing tool having front, rear, upper and lower surfaces and a processing edge formed thereon between the front and the upper surfaces, said lower surface including an engaging means for engaging a matching formation in said seat in the outer end of the swinging arm, and said rear surface defining a supporting surface abutting against a corresponding swinging arm supporting surface which is directed forwards or obliquely forwards against the direction of feed of the logs, said engaging means being formed as one of either a ridge or a groove shape being rectilinear and elongated with its total length exceeding its height or depth at least by a factor ten, and extending at an acute angle of at least 10.degree. in relation to the rear surface of the tool.