Patent ID: 7646563
Filing Date: 2010-01-12
Classification: G11B

Abstract:
1. A recording disk cartridge comprising: a plurality of flexible recording disk media; a rotational member for holding the recording disk media so that the recording disk media simultaneously rotate; a cartridge case for providing a rotationally free housing for the recording disk media and the rotational member, the cartridge case having an opening to allow an end portion of the rotational member to be exposed to an outside of the cartridge case; and a supporting shaft, which is positioned in a center of the rotational member on an opposite side of the end portion, the supporting shaft being slidably inserted in the rotational member in an axial direction thereof, an end of the supporting shaft abutting the cartridge case, wherein the recording disk cartridge has an elastic member which provides a force to thrust the rotational member toward the opening, and wherein the elastic member is disposed between the supporting shaft and the rotational member so that the elastic member thrusts the rotational member toward the opening.