Cable stay crane

Details Cable stay crane Cable stay crane

1976-02-24

1978-01-10

Oresky, Lawrence J.

Traversing hoists

Overhead

Cable

212 12, 212 32, 212 46A, 212 56, 340267C, B66C 2372

Patent

active

040674460

ABSTRACT:
A crane for lifting of objects has a base and a substantially vertical column assembly extending from the base. A cross truss is mounted on the column, and cables are pivotally secured to the truss and fixed to the top of the column. Movably mounted on one side of the column on the truss is a lift assembly which includes a hoist cable and winding means, and a movable counterweight assembly is operatively disposed on the truss on the opposite side of the column. Tilt sensors on the column result in movement of the counterweight assembly to compensate for weight applied at the hoist cable, and thus balance the truss.
The crane is either land mounted, or attached to a buoyant vessel.
The truss has a track and rollers for hanger arms of the counterweight and lift assembly.

REFERENCES:
patent: 859031 (1907-07-01), Abel
patent: 1343630 (1920-06-01), Locarni
patent: 2772411 (1956-11-01), Cooper
patent: 2796178 (1957-06-01), Praschak
patent: 3190475 (1965-06-01), Fischer
patent: 3402824 (1968-09-01), Zweifel
patent: 3642148 (1972-02-01), Durand
patent: 3722705 (1973-03-01), Gould
patent: 3957161 (1976-05-01), Tax

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