Contourable pneumatic cushion

Details Contourable pneumatic cushion Contourable pneumatic cushion

Category

A - Human Necessities

Subcategory

47

Subsubcategory

C

CPC

360/1

IPC codes

A47C 27/08 (2006.01) A47C 7/46 (2006.01)

Type

Patent

Patent number

CA 2019764

Description

ABSTRACT A portable self-contained pneumatic cushion device containing a multiple cell hermetically sealed thermoplastic air bladder within a fabric cover. A pneumatic charging valve is located in one bladder cell which acts as a plenum and a contour control valve is located within another cell. The contour control valve is connected by flexible conduits with the cells and may be opened to circulate air freely between all cells or closed to pneumatically isolate the individual cells. The contour control valve is operated by a finger-pressure squeezing action placed on valve indicators located on the surface of the fabric cover. The cushion can be instantly and simultaneously asymmetrically contoured on both faces by the user to conform to and support an irregularly shaped load applied to both faces of the cushion.

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