Adjustable backrest

Details Adjustable backrest Adjustable backrest

A - Human Necessities

47

C

A47C 7/40 (2006.01) A47C 7/42 (2006.01) A47C 7/46 (2006.01) B60N 2/66 (2006.01)

Patent

CA 2120456

ABSTRACT An adjustable backrest for supporting a human back comprising a straight spine member; a lumbar support member projecting from the straight spine member; an upper back support member projecting from the straight spine member adjacent the lumbar support member; a back pad resting on the lumbar support member and the upper back support member for supporting the human back; means for adjusting curvature of the lumber support member and means for adjusting curvature of the upper back support member to accommodate different shapes of the human back; means for providing side-to-side mobility of the back pad to accommodate twisting movement of the human back.

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