Patent ID: 7152262

Claim:
A mattress apparatus in which a user places a head on an upper surface of one end portion of the mattress apparatus in a longitudinal direction thereof, said mattress apparatus comprising: a bendable cushion body; a fixed rod member provided integrally with at least both sides, in a lateral direction, of a periphery of the cushion body; a hinge mechanism including a pair of fitting parts which are movably connected and releasably held at an angle, a first one of the fitting parts being fixed to an end portion of the fixed rod member; a movable rod member which is connected to a second one of the fitting parts of the hinge mechanism and is provided together with a periphery of at least one end portion of the cushion body, and which bends at least one end portion of the cushion body when moved and raised by the hinge mechanism; and an exterior cloth which covers the cushion body; wherein the cushion body comprises a spring unit, and the fixed rod member and the movable rod member are fastened with a holding mechanism to a coil portion of a spring body placed in a periphery of the spring unit; and wherein the holding mechanism comprises a holding cloth which includes a peripheral edge that extends from the periphery of the spring unit to one of a lower surface and an upper surface of the spring unit, and the peripheral edge of the holding cloth is wound around the fixed rod member and movable rod member, and a wound portion of the holding cloth is connected and fixed to the periphery of the spring unit with a clip.