Browse Prior Art Database

Dual Magnetic Head Pad

IP.com Disclosure Number: IPCOM000084748D
Original Publication Date: 1976-Jan-01
Included in the Prior Art Database: 2005-Mar-02
Document File: 2 page(s) / 40K

Publishing Venue

IBM

Related People

Balcezak, WK: AUTHOR [+2]

Abstract

In magnetic recording a magnetic medium is typically forced into contact with a magnetic head by a magnetic head pad. For example, in Fig. 1 magnetic tape 4 is brought into contact with magnetic head 1 by magnetic head pad 6. A force in the direction of head 1 is exerted by pad holder 5 to force tape 4 into contact with head 1. As shown in Fig. 1, problems may be encountered in achieving continous, simultaneous contact of tape 4 with both of the gaps 2 and 3 of head 1.

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Dual Magnetic Head Pad

In magnetic recording a magnetic medium is typically forced into contact with a magnetic head by a magnetic head pad. For example, in Fig. 1 magnetic tape 4 is brought into contact with magnetic head 1 by magnetic head pad 6. A force in the direction of head 1 is exerted by pad holder 5 to force tape 4 into contact with head 1. As shown in Fig. 1, problems may be encountered in achieving continous, simultaneous contact of tape 4 with both of the gaps 2 and 3 of head
1.

In Figs. 2 and 3, head pads 8 and 10 associated with gaps 2 and 3 are used to separately bias tape 4 into contact with gaps 2 and
3. Head pad arms 7 and 9 pivot about points 12 and 13, respectively.

Head pad pressure adjustment screws 20 and 21, threaded through fixed support 22, are separately adjusted to provide appropriate forces on pins 14 and 15. Pins 14 and 15 are movable in holes 16 and 17 of arms 7 and 9, respectively. Springs 18 and 19 provides independent forces on arms 7 and 9 insuring continuous, simultaneous contact of tape 4 with both of gaps 2 and 3 of head 1.

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