Woodworking – Process – Timber harvesting or processing
Patent
1992-12-16
1994-10-18
Bray, W. Donald
Woodworking
Process
Timber harvesting or processing
144 2Z, 144 3D, 144 34E, 144246R, 144246F, 144339, 144343, A01G 2308
Patent
active
053559207
ABSTRACT:
The invention relates to an improvement in a felling and delimbing apparatus having a head for felling and delimbing trees; a frame, at least two grasping jaws and, delimbing knives mounted on said frame and/or on said grasping jaws, and first/and second cutters for cutting the trunk of a tree, a platform which is pivotally mounted on a frame of the vehicule for movement around a vertical pivoting axis; a first and second booms pivotally connected together by a first pivot defining a substantially horizontal pivoting axis, the first boom being also pivotally connected with the platform by a second pivot defining a substantially horizontal pivoting axis, the second boom being also pivotally connected with a first supporting member by a third, pivot defining a substantially horizontal pivoting axis; the frame of the head and the first supporting member are pivotally connected together by a fourth pivot defining a pivoting axis that is substantially not parallel with aforesaid horizontal axis, that means are provided to selectively move and position the head around the fourth pivoting axis.
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patent: 5219010 (1993-06-01), Eriksson
Advertising document of Forano concerning a felling head.
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