Crane with a variable center rope suspension system

Details Crane with a variable center rope suspension system Crane with a variable center rope suspension system

1974-02-13

1976-03-23

Spar, Robert J.

Traversing hoists

Overhead

Cable

212 27, 294 67D, B66C 1706

Patent

active

039455033

ABSTRACT:
A variable centers rope suspension system for a gantry crane including a pair of trolleys mounted on the crane and interconnected by a frame which reciprocates the trolleys with respect to each other. The trolleys are moved synchronously along the gantry through the drive cables being connected to the frame.

REFERENCES:
patent: 2190093 (1940-02-01), Bossart
patent: 2799403 (1957-07-01), Friedman
patent: 3081883 (1963-03-01), Minty
patent: 3111228 (1963-11-01), Anderson
patent: 3254775 (1966-06-01), Brevard et al.

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