Patent ID: 7648198
Filing Date: 2010-01-19
Classification: B62J,Y10S

Abstract:
1. A cellular cushion for supporting a person in seated position thereon, the person having a pelvis with bony prominences including ischial tuberosities, coccyx and pubis and tissue masses including buttocks and inner thighs, a spacing between the ischial tuberosities of a user varying between the two sexes and between different members of the same sex, said cushion comprising: a butterfly-shaped, planar base with a pair of rear outwardly spreading lobes, a pair of forwardly tapered lateral lobes and a pair of front lobes with a centerline axis of symmetry passing between said pairs of rear, lateral and front lobes, a first pair of hollow cells coupled to the rear lobes, a second pair of hollow cells coupled to the lateral lobes and a third pair of hollow cells coupled to the front lobes, said first, second and third pairs of hollow cells extending outwardly from the base and forming a support contour, each of said first pair of hollow cells having a well for receiving an ischial tuberosity of a user seated on the cushion and providing a relief area for the ischial tuberosity, each of said second pair of hollow cells tapered for receiving the inner thighs of a user seated on the cushion; each of said third pair of hollow cells tapered for providing a relief area for the pubis of a user seated on the cushion; said first pair of hollow cells hinged on the second and third pairs of hollow cells so that said first pair of hollow cells are laterally spreadable inwardly or outwardly depending on the spacing between the ischial tuberosities of a user seated on the cushion with the ischial tuberosities received in the wells of the first pair of hollow cells.