Patent ID: 9132052
Filing Date: 2015-09-15
Classification: A47C,A61G

Abstract:
1. An apparatus for use with a chair having a supporting surface, the apparatus comprising: a cushioning member adapted to be placed above the supporting surface of the chair; a bottom sheet connected to the cushioning member and having an engagement surface opposite the cushioning member; a top sheet having a bottom surface positioned in confronting relation to the engagement surface of the bottom sheet and a top surface opposite the bottom surface, the top sheet having a slip resistant material positioned on the top surface; and a selective gliding assembly positioned between the top sheet and the bottom sheet, the selective gliding assembly comprising a first engagement member positioned on the engagement surface of the bottom sheet and a second engagement member positioned on the bottom surface of the top sheet, wherein the first engagement member and the second engagement member engage each other to resist sliding of the top sheet in a forward direction relative to the bottom sheet and to permit sliding of the top sheet in a rearward direction relative to the bottom sheet.