Patent ID: 7703156

Claim:
A side cover apparatus comprising: an electric mat including a hem attached to an outer periphery of the electric mat through a stitched seam, wherein the electric mat has a substantially diminished thickness between a top and a bottom surface layer of the outer periphery at the stitched seam; a curtain-type side cover attached to the outer periphery of the electric mat; and a contracting portion disposed on an inner periphery of the curtain-type side cover, wherein the curtain-type side cover is inserted between the hem of the electric mat and the top surface layer of the electric mat and attached to the hem through the stitched seam so that the curtain-type side cover folds over the outer periphery of the electric mat and covers both the hem of the electric mat and a side surface of a bed mattress to provide a single mattress appearance when the side cover apparatus is placed on the bed mattress.