US 2006/0215321 A1Published application

Recording disk cartridge

AssigneeFuji Photo Film Co., Ltd.

InventorsYasushi Endo, Kengo Oishi

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Abstract

The recording disk cartridge with recording disk media and a cartridge case for housing the media is equipped with a base frame that surrounds a radial directional outside of the media, configures a sidewall of the case, and has a side opening that makes the media front outside; a lower plate that is disposed below the media and configures a lower wall of the case; an upper plate that is disposed above the media and configures an upper wall of the case; a rotary shutter that opens and closes the side opening; and a swing shutter that is disposed between the media and the lower plate, swings according to the rotational movement of the rotary shutter, and opens and closes the chucked center hole, wherein the rotary shutter comprises a reinforcement plate only at a lower side thereof.

Claims20

Dependent claims

A recording disk cartridge having recording disk media and a cartridge case for housing the recording disk media, the cartridge comprising:

a base frame for substantially surrounding a radial directional outside of said recording disk media, configuring a sidewall of said cartridge case, and comprising a side opening that makes said recording disk media front outside;
a lower plate disposed below said recording disk media and for configuring a lower wall of said cartridge case, wherein a chucked center-hole is formed in order to couple a spindle of a disk drive with said recording disk media;
an upper plate disposed above said recording disk media and for configuring an upper wall of said cartridge case;
a rotary shutter for opening and closing said side opening by rotating within said cartridge case;
and
a swing shutter disposed between said recording disk media and said lower plate and engaged in said rotary shutter, for swinging in response to a rotational movement of said rotary shutter, and for opening and closing said chucked center hole,
wherein said rotary shutter comprises a reinforcement plate only at a lower side thereof.

4 more elements

Dependencies are inferred from the claim text.