Tree de-limber

Details Tree de-limber Tree de-limber

1975-07-28

1976-04-20

Simpson, Othell M.

Woodworking

Special-work machine

301215, 30279R, A01G 2308

Patent

active

039511880

ABSTRACT:
A portable apparatus that may be employed to rapidly remove the limbs from the trunk of a tree passed through the apparatus. The apparatus incorporates a pair of semi-circular curved blades, with each blade mounted to an arm. A first arm is fixed to the base of the apparatus with the end of the second arm fitted to a crank shaft that is engaged in the end of the first arm permitting the cutting edge of the second arm to move towards or away from the cutting edge of the first arm in a curved path. A frame fixed to the structure guides a projection extending from the side of the second arm to limit the motion of the second arm with respect to the first arm and a hydraulic cylinder or spring is mounted to the structure to apply a bias force to the two arms so that each cutting edge will follow the tapered diameter of a tree trunk passed transversely to the arms, so as to cut the limbs from the tree trunk.

REFERENCES:
patent: 2493588 (1950-01-01), Martin

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