Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kurt R. Heidmann0
Larry DeKraker0
Arnold B. Dammermann0
Charles P. Roossien0
David S. Teppo0
Gordon J. Peterson0
Date of Patent
November 7, 2006
0Patent Application Number
110480910
Date Filed
February 1, 2005
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A back construction includes a back shell having stiff thoracic and pelvic regions connected by a flexible lumbar region in a manner adapted to ergonomically support a seated user. The back shell includes spaced-apart resilient edge strips and leaf springs attached to or embedded into the edge strip. The springs match a curvature of the strips and span the lumbar region, biasing the lumbar region of the back shell forwardly in a manner distributing stress applied to the lumbar region by the seated user.
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