Patent attributes
An apparatus is configured for use with a chair having a supporting surface, and includes a bottom member having a cushioning member, the bottom member adapted to be placed above the supporting surface. The bottom member has a rear edge adapted to be placed proximate a rear of the chair and a front edge opposite the rear edge. The apparatus further includes a top member having a bottom surface positioned in confronting relation to the bottom member and a top surface opposite the bottom surface. The top member and the bottom member are connected to each other along at least one of the front and rear edges, and at least a portion of the top member is slidable with respect to the bottom member. The apparatus further includes a second cushioning member connected to a rear end of the apparatus and adapted to extend upward from the rear end.