Patent ID: 7298563

Claim:
A supporting member for a portable digital video disk player, comprising: a rotatable member which comprises a rotatable seat, two elastic members, two washers, and two fasteners, wherein the rotatable seat having at least two through holes, and the two elastic members each having a through hole, and the two washers each having a through hole; the rotatable seat is a hollow half-cylinder which has a circular arc circumference surface and two elongated through holes; the two elastic members and the two fasteners both together locate the rotatable seat; the two washers loosen friction between the rotatable seat and the elastic members; a base for accommodating the rotatable member, which comprises at least one protruding elements drilling through the through holes of the rotatable seat and the two elastic member, whereby the rotatable seat rotates relative to the base: the base further comprises a notch for accommodating the rotatable seat, wherein the notch has an inner surface corresponding to a circumference surface of the rotatable seat; the notch further comprises a plurality of protruding poles extending outwardly from inner surface of the notch and corresponding to the two elongated through holes; each of the plurality of protruding poles has an aperture which has a size matching with aperture size of the two fasteners; the base further comprises a bottom plate which is screwed on the base; the at least one protruding elements each having an aperture, and each fastener is fixed on one protruding element though the respective aperture; each of the two washers is disposed between the rotatable seat and one of the two elastic members, wherein each of the two elastic member is a spring or an elastic plate, wherein each of the two elastic members produces elastic deformation and provides an elastic force to the rotatable seat.