Write-protect clip

Details Write-protect clip Write-protect clip

1986-05-21

1988-09-13

Hecker, Stuart N.

Dynamic magnetic information storage or retrieval

Record medium

In container

360 60, G11B 23033, G11B 1904

Patent

active

047713542

ABSTRACT:
A write-protect clip can be permanently installed on a floppy disc and thereafter can be moved to an opened position which exposes the write-protect notch of the floppy disc or to a closed position which covers the notch. The clip, which is a unitary element made from a sheet of metal, includes first and second walls which slidably engage the outer surface of the envelope of the floppy disc, a back wall which connects the first and second walls, and a serpentine spring tongue which extends between the first and second walls and which is joined to one of the walls at a sharply bent region. When the clip is installed on a floppy disc, the tongue enters the envelope via the notch to prevent the clip from being inadvertently detached from the floppy disc and to enhance frictional engagement between the clip and the envelope, thereby helping to retain the clip in either the opened or the closed position. Moreover, the sharply bent region is positioned to engage the ends of the notch so that the clip cannot be inadvertently moved beyond the opened position or the closed position.

REFERENCES:
patent: 3828363 (1974-08-01), Somers
patent: 4084200 (1978-04-01), Adair et al.
patent: 4618060 (1986-10-01), Tarter
patent: 4620247 (1986-10-01), Papciak et al.
patent: 4649452 (1987-03-01), Brugman
Lee, "Reusable Write Protect Tab for a Diskette", IBM Tech. Disc. Bull., vol. 26, No. 8, Jan. 1984.
Gilligan, "Reusable Write Protect Tab for Floppy Disk", IBM Tech. Disc. Bull., vol. 26, No. 12, May 1984.

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