Magnetic disk assembly

Claim 2

A cartridge for a magnetic disk assembly comprising: a cover for enclosing a magnetic disk assembly having a top, side and bottom portions; said side portion having an aperture for permitting the insertion of a transducer; said bottom portion having means for connecting an enclosed 7 disk assembly to a drive unit; a removable base for covering said aperture in the side portion; a handle mounted on the top portion of the cover, said handle being adapted to be folded against the top portion of said cover, said cover including a well into which said handle is positioned when folded, and said handle including means to be selectively operated for carrying said cartridge or for releasing said base from said cover.

Claim 3

A cartridge as in claim 1, wherein said connecting means comprises an aperture in the bottom of the cover, and in which the base is adapted to cover said aperture in the bottom of the cover.

Claim 4

A cartridge as in claim 1, including a magnetic disk assembly enclosed within said cover.

Claim 5

A cartridge as in claim 1, wherein the side portion of the cOver has an aperture for permitting the insertion of a cleaning brush.

Claim 6

A cartridge as in claim 1, in which the cover and base are shaped to provide a stacking ring.

Claim 7

A cartridge as in claim 1, including a rubber sealing ring between the cover and the periphery of the base.

Claim 8

A cartridge as in claim 6, in which the cover and the base include air vents to allow the cover to be removed without air drag, when the seal provided by the rubber sealing ring is broken.

Claim 9

A cartridge as in claim 6, in which the base has an air vent covered by a filter.

Claim 10

A cartridge for a magnetic disk assembly comprising: a cover for enclosing a magnetic disk assembly having a top, side and bottom portions; said side portion having an aperture for permitting the insertion of a transducer; said bottom portion having means for connecting an enclosed disk assembly to a drive unit; a removable base for covering said aperture in the side portion; a handle mounted on the top portion of the cover, said handle being adapted to be folded against the top portion of said cover, said cover including a well into which said handle is positioned when folded, and said handle including means to be selectively operated for carrying said cartridge or for releasing said base from said cover; means for magnetically attaching said base to said cover, including an armature, and a magnet fixed to the base for contacting said armature when the cover and base are fitted together; and said handle including a drawbar connected to a drawplate, said drawplate being effective when the drawbar is actuated by the handle to separate the armature from said magnet and drive unit.

Claim 11

A cartridge for a magnetic disk assembly comprising: a cover for enclosing a magnetic disk assembly having a top, side and bottom portions; said side portion having an aperture for permitting the insertion of a transducer; said bottom portion having means for connecting an enclosed disk assembly to a drive unit; a removable base for covering said aperture in the side portion; a handle mounted on the top portion of the cover, said handle being adapted to be folded against the top portion of said cover, said cover including a well into which said handle is positioned when folded, and said handle including means to be selectively operated for carrying said cartridge or for releasing said base from said cover; means for magnetically attaching said base to said cover, including an armature, and a magnet fixed to the base for contacting said armature when the cover and base are fitted together; and said handle including a drawbar connected to a drawplate, said drawplate being effective when the drawbar is actuated by the handle to separate the armature from said magnet and drive unit.

Claim 12

A cartridge as in claim 9, wherein said drive unit includes a magnet on said drive unit for engaging said armature, whereby the disk assembly can be rotated by the drive unit.

Claim 13

A cartridge as in claim 10, in which the disk assembly includes a flexible diaphragm having a tapered hole at its center, which tapered hole is adapted to engage a conical end of a drive spindle on said drive unit.

Claim 14

A cartridge as in claim 11, in which said armature is positioned on the periphery of said flexible diaphragm.

Claim 15

A cartridge as in claim 9, in which the handle includes means for releasing the cover from the drive unit.

Claim 16

A cartridge as in claim 9, in which the handle has a latch which can be operated so that the drawbar is lifted when the handle is being operated for releasing the cover.

Claim 17

A cartridge as in claim 14, in which the handle has a locking means which prevents release of the latch so that the drawbar cannot be released when the handle is being operated for releasing the cover.