Write protect device for a record disk assembly

Details Write protect device for a record disk assembly Write protect device for a record disk assembly

1986-09-30

1988-04-12

Hecker, Stuart N.

Dynamic magnetic information storage or retrieval

Record medium

In container

360 60, G11B 2302

Patent

active

047378760

ABSTRACT:
A magnetic record disk assembly includes a floppy disk located within a rigid case having integral case stiffeners, wiping force appliers and floppy disk stabilizers. Wipers made of fabric, cleaning material are located within the case and disk flexure creates frictional force between the wipers and the disk. Thus, the wipers clean contaminants from the disk during rotation thereof within the case. A simple, automatic, cam-actuated shutter covers a transducer access slot in the case. This shutter is restrained by a detent to prevent undesired movement. A modified form of shutter has a compression spring that facilitates assembly of the shutter. A write protect device is located within the case. This device includes a piece that is mounted to rotate through an arc of 180.degree. in a plane perpendicular to a side surface of the case for opening and closing a sensing aperture within the case.

REFERENCES:
patent: 4053935 (1977-10-01), Shiba
patent: 4320422 (1982-03-01), Rinkleib
patent: 4546397 (1985-10-01), Asami et al.
patent: 4549240 (1985-10-01), Hodges

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