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hub ring

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hub ring
A flat ring pressed around the hole in a 5.25" floppy disk for rigidity. The drive's clamping ring presses the hub ring onto the spindle.
hub ring [′həb ‚riŋ]
(computer science)
A thin plastic ring placed around the center hole of a floppy disk to prevent the disk from warping and damaging its contents if it is improperly inserted in a disk drive.


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[ILLUSTRATION OMITTED] In 1978, Jerry and Loren Alberico, along with Connie Pierce, identified a need for hub rings for floppy disks in the computer industry and started a die-cutting business with two machines in a garage.
An electronic article surveillance system placed within the hub ring area of the disc would prevent the removal of these products from their packaging.
The inclusion of all four of the major EAS tags into the hub ring of optical disc products such as digital video discs (DVD's) and compact discs (CD's) during the manufacturing process utilizes the entire usable space therein.
 
 
 
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