Verbatim Corporation

Robert S Rogers

George W Brock

Edward Mroz

Robert J Janning, Jr

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.

Write protect device for a record disk assembly

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 contaminents 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.

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San Jose, CA, United States of America

Robert S Rogers