Tree handling device

Details Tree handling device Tree handling device

1979-04-30

1980-12-16

Christian, Leonard D.

Implements or apparatus for applying pushing or pulling force

Apparatus for hauling or hoisting load, including driven...

Device includes rotatably driven, cable contacting drum

414 23, 254380, 248637, 242 77, B66C 2360

Patent

active

042391881

ABSTRACT:
A device for use by arborists for handling heavy tree limbs and main stems including a base for attachment to the tree trunk and a cylindrical member for receiving a rope mounted on the base. In an alternate form of the invention, the cylindrical member is mounted on an axle which is attached to the base and ratchets permit selective rotation of the cylindrical member in at least one direction. In still another form of the invention, a lever is attached to the cylinder to give an operator great mechanical advantage so that the device may be used to raise heavy loads by turning the cylindrical member.

REFERENCES:
patent: 1133592 (1915-03-01), Voigt et al.
patent: 2588749 (1952-03-01), Nilsson
patent: 2708525 (1955-05-01), Woleslagle
patent: 2725991 (1955-12-01), Maenpaa
patent: 3367632 (1968-02-01), Vail

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