A - Human Necessities – 01 – G
Patent
A - Human Necessities
01
G
144/30
A01G 23/08 (2006.01) A01G 23/081 (2006.01)
Patent
CA 1050860
CAM ACTUATED TREE CUTTING SHEARS AND BUNCHER Alva Z. Albright, Inventor ABSTRACT Shear knives are pivoted, side by side with sharp edges opposed, by a pair of adjacent ends to a pivot strap. Cam rol- lers are respectively for rotation on the knives at the junc- tions of their free ends and outboard sides. Rearwardly converg- ing cam edges are mounted in forwardly extending arms of a for- wardly movable frame, the arm being adapted to receive the pivot strap transversely therebetween and a tree of not over an equal diameter. The knives are slidably mounted in slots in the respective arms with their free ends forward and their roller cam followers respectively engaging the converging cam edges on which they are spring biased forwardly. The knives are cammed closed to cut a tree as the movable frame moves forwardly relative to tree and knives. A swinging member, hav- ing a transverse blade pivoted to the top thereof, is itself pivoted to one of the pair of arms and is hydraulically actu- ated to swing past a cut tree between the arms and back to raise the tree clear of the shear knives an onto a raised floor rearwardly and hold it there. A second pair of arms vertically spaced above the first pair also receives the tree which is re- leasably retained therebetween by a one-way pair of gates at the ends thereof. -1-
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