Self-adjusting transformer sling

Details Self-adjusting transformer sling Self-adjusting transformer sling

B - Operations, Transporting

66

C

B66C 1/66 (2006.01)

Patent

CA 2089931

SELF-ADJUSTING TRANSFORMER SLING ABSTRACT OF THE DISCLOSURE The sling includes a telescopic compensation bar, provided with two pairs of lever arms pivotally mounted to the opposite ends respectively of the compensation bar. The lever arms pivotally engage at their bottom ends the integral sling hooks of the transformer to be lifted. Each of the two parallel plates of the telescopic bar has an intermediate ovoidal slit, both slits slidingly engaged by a transverse shaft. The shaft depends from a yoke suspended to the hoist gear cable. The two ovoidal slits are not parallel, but rather disposed in X-shaped fashion. Hence, during lift, for a smaller transformer width, the compensation bar will automatically retract to a shorter overall length, so as to automatically and continuously maintain the lateral lever arms tightly and firmly against the transformer, whatever the dimensions of the transformer. Moreover, the greater the transformer weight, the larger the inward bias will be applied by the lever arms against the transformer.

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