Amazon Technologies, Inc.

Shubin Chen

Jeremy Heaston

A tensioning system may be implementable for a rack. A ladder upright may extend upwardly from a central area of a base of the rack and support shelves. First and second straps may extend upwardly from first and second lateral areas of the base and couple with a plate arranged along the ladder upright. The plate can include a set of vertically aligned plate-aligning apertures, and the ladder upright can include a set of vertically arranged receiving apertures. Corresponding aperture pairs can each include one from the set of receiving apertures and one from the set of plate-aligning apertures. The plate-aligning apertures may be distributed differently from the receiving apertures such that the plate is vertically moveable along the receiving apertures to change which of the corresponding aperture pairs is aligned for receiving a fastener to retain the plate in a state in which tension is present in the straps.

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Shrewsbury, MA, United States of America

Shubin Chen