Tree delimber

Details Tree delimber Tree delimber

1976-12-23

1978-09-05

Simpson, Othell M.

Woodworking

Special-work machine

144 2AA, 2411017, B27L 100

Patent

active

041112458

ABSTRACT:
An apparatus for delimbing felled trees is described, wherein the trees are pulled individually or, in some cases, in bundles through the delimber. The delimber is provided with a base; a lower impact shear blade which is a notched steel plate supported upon the base, the notch bounding the under half circumference of a tree in the delimber; upper impact shear blades which are a pair of arcuate arms pivoted on the base, designed and arranged such that a tree resting in the notched plate is bound substantially about its upper half circumference by the arcuate arms pivoted into contact with the tree; and an activating plate, pivoted upon the base, interconnected with the arcuate arms such that the weight and force of a tree pulled through the delimber in contact with the notched plate, acts upon the activating plate causing it to pivot thereby pulling the arms into contact with the tree. Additionally, a biasing system is described which maintains the arcuate arms in an open position for receiving a tree to be delimbed, which system causes the arcuate arms to remain pivoted outboard the delimber center line whenever there is no tree acting upon the activating plate.

REFERENCES:
patent: 3863848 (1975-02-01), Nashuda
patent: 3868981 (1975-03-01), Nadeau

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