Importance

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Abstract

A nonswiveling rotatable link formed from flexible conduits extending between two parallel planes of which one is rotatable relative to the other is stabilized without the use of a gear wheel mated to teeth on each of the two planes. The link instead includes two flexible conduits which together form two loops or circles, one on each plane. Each conduit also forms an arc traversing the gap between the planes, through which the conduit passes and reverses direction while transferring from one plane to the other as one plane rotates, the two arcs curving in opposite directions and overlapping to form a closed crossover loop. Tension within the crossover loop and thus proper alignment of the conduits is provided by pairs of idlers forced apart laterally inside the loop by a spring or cylinder mounting which maintains expansive pressure as conditions in the conduits cause the loop to expand or contract.

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First Claim