Browse Prior Art Database

File Protect Device

IP.com Disclosure Number: IPCOM000059872D
Original Publication Date: 1986-Feb-01
Included in the Prior Art Database: 2005-Mar-08
Document File: 2 page(s) / 40K

Publishing Venue

IBM

Related People

Richard, ME: AUTHOR

Abstract

A file protect actuator for a cartridge can include a rectangular column mounted between two disk-like supports with the column offset from the center of rotation of the disks. The assembly is mounted for rotation within the cartridge at an edge such that a switch probe can enter an opening in the cartridge to determine the rotational position of the actuator as determined by the position of the column in relationship to the edge of the cartridge. As shown in Fig. 1, the actuator includes a rectangular column 1 mounted between two circular disk-like supports, top support 2 and bottom support 3. View A-A taken along line A-A of Fig. 1 shows the rectangular shape of the actuator 1 and its offset position relative to the center of rotation of support 3. Fig. 2 is a top view of the file protect device of Fig. 1.

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File Protect Device

A file protect actuator for a cartridge can include a rectangular column mounted between two disk-like supports with the column offset from the center of rotation of the disks. The assembly is mounted for rotation within the cartridge at an edge such that a switch probe can enter an opening in the cartridge to determine the rotational position of the actuator as determined by the position of the column in relationship to the edge of the cartridge. As shown in Fig. 1, the actuator includes a rectangular column 1 mounted between two circular disk-like supports, top support 2 and bottom support 3. View A-A taken along line A-A of Fig. 1 shows the rectangular shape of the actuator 1 and its offset position relative to the center of rotation of support 3. Fig. 2 is a top view of the file protect device of Fig. 1. Top disk support 2 includes a partial slot 4 and a rotational position indicator, arrow 5, embossed on its top surface. In operation, when the file protect device is mounted for rotation within a cartridge, to actuate the file protect device, a coin or a like device is inserted into the slot 4 to position the actuator 1 into the correct position for the operation desired. In one position, the probe of the switch is essentially free of contact from the actuator 1. When the file protect device is rotated through a 180OE rotational position, the switch probe will contact the actuator 1, thereby putting the switch into its second position. The...