Mcdermott Incorporated

James L McClain

A rotary load handling device including a frame structure having an arcuate roller rail mounted on the upper surface, a roller ring having a set of concentric ring members and a plurality of double flanged wheels connected therebetween disposed on the arcuate roller rail, and an upper arcuate roller rail secured to the underside of a plate having a load handling unit mounted on the upperside of the plate whereby the upper arcuate roller rail is disposed on the roller ring and rotatable relative to the frame structure.

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New Orleans, LA, United States of America

James L McClain