Hni Technologies Inc.

Christopher J Davis

Travis J Crowell

A compliant chair backrest assembly includes a back frame () having a first frame side (), a second frame side (), a lower portion () and an upper portion () that extends from the lower portion (). The upper portion () of the back frame is configured to engage with a back of a user and the lower portion () includes a first flexural member () and a nexus (). The first flexural member () defines a first lower contact surface () and has a flexural rigidity. The lower portion () also includes a reinforcement support () including a first brace () defining a first upper contact surface () and having a flexural rigidity that is greater than the flexural rigidity of the first flexural member ().

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Muscatine, IA, United States of America

Christopher J Davis