Cable lifting device

Details Cable lifting device Cable lifting device

1974-07-18

1976-03-23

Spar, Robert J.

Traversing hoists

Overhead

Cable

212144, B66C 2300

Patent

active

039455025

ABSTRACT:
A device for lifting cables to an overhead structure is disclosed. The device includes an A-frame jib pivotally supported through a pair of yoked clevises on an elongated shaft fixed to a base clamping member. The uppermost section of the jib includes a head assembly having a stationary shaft to which a pulley is rotatably mounted and a bifurcated purchase is pivotally mounted. A hoist is hung from the purchase for lifting cables to the overhead structure. An adjustable guy line or boom hoist cable is secured at one end of the head assembly and at the other end to the overhead structure. Any adjustment made to the boom hoist caable will be reflected by a corresponding pivotal movement of the jib about its yoked clevis.

REFERENCES:
patent: 614518 (1898-11-01), Terry
patent: 1374224 (1921-04-01), Patterson
patent: 2598517 (1952-05-01), Drott
patent: 2665012 (1954-01-01), McLain et al.
patent: 2831592 (1958-04-01), Syracuse
patent: 3064824 (1962-11-01), Beatty
patent: 3472395 (1969-10-01), Hubbard et al.

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