Patent ID: 7444707
Filing Date: 2008-11-04
Classification: A47C

Abstract:
1. A chair cushion, comprising: a main body of resilient material, said main body having a head end and an opposed foot end and defining a length between; an upper support surface defined by said main body, for receipt of a person thereon; said upper support surface including a plurality of support zones along said length; said upper support surface including a plurality of directional support ribs disposed transverse to said length within at least one said support zones; each said directional support rib defining a cross-sectional geometry, said cross-sectional geometry including a superior aspect and an opposed inferior aspect, said superior aspect longer than said inferior aspect, each said directional support rib defining a directional orientation from said superior aspect toward said inferior aspect; wherein said support zones include an upper torso support zone disposed for support of the upper torso on a person upon said chair cushion, a gluteal support zone disposed for support of the gluteal region of a person upon said chair cushion, a thigh support zone disposed for support of the thighs of a person upon said chair cushion, and a lower leg support zone disposed for support of the lower legs of a person upon said chair cushion; and wherein said thigh support zone includes a plurality of said directional support ribs having directional orientation toward said head end of said chair cushion, and wherein said upper torso support zone and said gluteal support zone and said lower leg support zone include a plurality of said directional support ribs having a directional orientation toward said foot end of said chair cushion.