Patent ID: 6144526
Filing Date: 2000-11-07
Classification: G11B

Abstract:
A disk cartridge adapted for insertion into a data storage device having an insertion opening, a spindle motor positioned to engage a hub of the disk cartridge and to rotate a disk within the cartridge upon insertion of the disk cartridge into the data storage device, a spindle motor controller/driver for initiating rotation of the spindle motor, and a cartridge receiving stop having first and second receiving projections formed on a substantially flat middle surface and having angled outer edges that project at a predetermined angle from said substantially flat middle surface toward an insertion opening of the data storage device, said disk cartridge comprising:an outer casing comprising:a top surface having a substantially flat middle region and angled peripheral regions;a substantially flat bottom surface defining an opening;a back wall having a rear peripheral edge;a front wall having a front peripheral edge; andside walls, each of said side walls meeting said front wall to form a plurality of non-square shaped front corners and said side walls meeting said back wall at rear corners;a first engaging projection formed on said front wall, said first engaging projection adapted to engage the first receiving projection of the cartridge receiving stop;a second engaging projection formed on said front wall, said second engaging projection adapted to engage the second receiving projection of the cartridge receiving stop; anda disk rotatably mounted in said disk cartridge, a hub of said disk being exposed by said opening,wherein said hub engages said spindle motor upon insertion of said disk cartridge into said data storage device through said insertion opening.