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US 4,301,845 AGranted
Tree shear
OwnerLowell A. Paul, Alan Mossinventors
Life of this patent
Estimating the term…
Abstract
A tree shear comprises a base with a tree receiving position. There is an undercutting blade mounted on the base for making a groove extending partway through a tree from one side of the tree and thereby inducing a bending of the tree trunk and putting under tension fibres in the tree trunk near the opposite side. There is a shear mounted on the base for then shearing the tree from the opposite side.
Claims33
A tree shear comprising:
- a base having a position for receiving a tree trunk;
- undercutting means mounted on the base for making a groove extending through the tree trunk from one side of the tree thereby inducing a bending of the tree trunk and putting under tension fibres in the tree trunk near a side thereof opposite the one side;
- means to move the undercutting means to form said groove and to remove said undercutting means from the formed groove;
- and
- shearing means mounted on the base for shearing the tree from said opposite side after said undercutting means has been removed from said groove.
2 more elements
Dependencies are inferred from the claim text.