Disk cartridge with improved transmission shutter mechanism

Details Disk cartridge with improved transmission shutter mechanism Disk cartridge with improved transmission shutter mechanism

1991-10-01

1993-11-09

Nelms, David C.

Dynamic information storage or retrieval

Storage medium structure

Adjuncts or adapters

360133, G11B 370

Patent

active

052609316

ABSTRACT:
A disk cartridge has a disk accommodated in a casing having a center aperture and access windows. A pivotal shutter is pivotally mounted for closing the center aperture. A rotary shutter is rotatably mounted for closing the access windows and interlocked with the pivotal shutter. A first slidable member is cooperatively coupled to the rotary shutter, and a second slidable member is opposed to the first slidable member and adapted to be slid upon engagement with a shutter actuating member when a disk drive is loaded with the disk cartridge. The first and second slidable members having racks on their opposed surfaces interlocked through a gear mechanism for transmitting the motion of the second slidable member to the first slidable member, which in turn, drives the rotary shutter.

REFERENCES:
patent: 4682322 (1987-07-01), Ohta
patent: 4807079 (1989-02-01), Takahashi
patent: 5111350 (1992-05-01), Carey et al.
patent: 5153801 (1992-10-01), Ikebe et al.

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