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Browse Prior Art Database

Automatic Disk Rotation Device

IP.com Disclosure Number: IPCOM000114054D
Original Publication Date: 1994-Nov-01
Included in the Prior Art Database: 2005-Mar-27
Document File: 2 page(s) / 59K

Publishing Venue

IBM

Related People

Rech, KJ: AUTHOR

Abstract

Described is a device which is mounted to a standard Disk Lifter and automatically rotates the presented disk about its own axis. This aids the operator greatly in the visual bright-light inspection of disks.

This text was extracted from an ASCII text file.
This is the abbreviated version, containing approximately 58% of the total text.

Automatic Disk Rotation Device

      Described is a device which is mounted to a standard Disk
Lifter and automatically rotates the presented disk about its own
axis.  This aids the operator greatly in the visual bright-light
inspection of disks.

      The Automatic Disk Rotation device is an electro-mechanical
assembly which is mounted to the side of a Standard DL-165* disk
lifter.  This device will immediately begin to rotate the disk when
the "lifter" lifts the disk out of the process cassette and reaches
the end of its stroke (Figure).

      The Standard DL-165 disk lifter has a plastic cradle mounted to
the top of its disk lifter blade.  This cradle passes thru the
opening in the bottom of a normal disk process cassette and picks up
a disk which it pushes up out of the cassette for viewing or removal.
The standard cradle is replaced by a new design having three small
wheels located in an arc which now engage and balance the disk.
However, the new cradle 31 also allows the disk to rotate freely
about its centerline.

      The Automatic Disk Rotation Device has an upper structure which
is mounted to the side of the disk lifter and holds an arm
cantilevered across the cassette.  On the arm is mounted a small
motor 1 and drive wheel 7 which are centered over the disk.  As the
disk is raised and the lifter blade nears the end of its stroke, the
disk engages the continuously turning drive wheel and begins to
rotate.

      The arm pivots about the...