Selectively cooled or heated seat and backrest construction

Details Selectively cooled or heated seat and backrest construction Selectively cooled or heated seat and backrest construction

A - Human Necessities

47

C

155/61.2

A47C 7/02 (2006.01) A47C 7/74 (2006.01)

Patent

CA 2027414

SELECTIVELY COOLED OR HEATED SEAT AND BACKREST CONSTRUCTION ABSTRACT OF THE DISCLOSURE A seating construction with joined seat and backrest parts has a plenum into which is received temperature conditioned air. Coil springs define the plenum and a covering is secured over the springs consisting of, from the inside out, a metal mesh layer, an elastomer sheet with a number of openings, and an air permeable fabric layer. The elastomer sheet behaves as a viscous liquid when subjected to forces and shocks. An alternative to the elastomer sheet is a baglike layer filled with fluid with a number of openings provided to enable passage of conditioned air through the layer.

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