Patent ID: 6441997
Filing Date: 2002-08-27
Classification: G11B

Abstract:
A cartridge for a drive in which read/write heads read/record data on a recording medium, comprising:a shell having a front, a back, two substantially flat planar surfaces coupled to each one of the front and the back, and two sides coupled to each one of the planar surfaces; said recording medium disposed in said shell, said recording medium having a hub, said hub having a cavity proximate a center of the hub; said shell having an opening in the front thereof for access by the read/write heads from outside of said shell to said recording medium; a door covering said opening when said cartridge is removed from said drive, said door having an open position and a closed position; a rotating cam, disposed within said cavity, rotatable on the same axis as the recording medium, said rotating cam having plural lobes disposed thereon; a translating cam having slots disposed therein for cooperating with said lobes each one of said slots forming an upper slot surface and an opposing slot lower surface, said lobe urging against the slot upper surface to urge the translating cam upwardly and urging against the slot lower surface to urge the translating cam downwardly, said translating cam clamping said recording medium against one of the planar surfaces while the door is in the closed position; and a rotating cam spring positioned co-axial with said hub, said rotating cam spring applying bias to said rotating cam, said rotating cam being disposed in said cavity.