Traversing hoists – Overhead – Cable
Patent
1980-01-25
1982-10-26
Love, John J.
Traversing hoists
Overhead
Cable
104115, B66C 2100
Patent
active
043557279
ABSTRACT:
An intermediate supporting device for a logging cable for supporting the cable above ground at an intermediate location. The device is arranged to permit a logging carriage to travel past the intermediate location substantially without being obstructed by the device. The device consists of a supporting sheave assembly supported on a transverse line extending between two intermediate spars or spar trees. A first horizontal shaft is swivelly connected to the lower end of the sheave assembly. A normally vertical link bar is pivotally connected at its top end to the first shaft and is pivotally connected at its bottom end to a second horizontal shaft which is parallel to the first shaft. Rigidly secured perpendicularly to the second shaft beneath the supporting sheave assembly is a support body member having spaced transverse vertical flanges with horizontally aligned peripherally grooved pulleys journalled therebetween, the flanges having holes to receive a haulback line engaged in the grooves of the pulleys. Rigidly mounted on the flanges above the pulleys is a rail member with inclined ends to serve as a guide support for the upper grooved pulleys of an open-sided logging carriage, permitting the carriage to travel smoothly past the intermediate supporting device.
REFERENCES:
patent: 1144060 (1915-06-01), Phillips
patent: 1206581 (1916-11-01), Opsal
patent: 1222007 (1917-04-01), McGuire
patent: 1484387 (1924-02-01), Dickinson
patent: 1569176 (1926-01-01), Dunham
patent: 1793395 (1931-02-01), Gum
patent: 1801527 (1931-04-01), Newell
patent: 2378081 (1945-06-01), Holman
patent: 3382816 (1968-05-01), Goforth et al.
Love John J.
McConnell David G.
Silverstein M. Howard
The United States of America as represented by the Secretary of
Williams L. E.
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