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Apertures Improve Resiliency of Print Guide Rail

IP.com Disclosure Number: IPCOM000049868D
Original Publication Date: 1982-Aug-01
Included in the Prior Art Database: 2005-Feb-09
Document File: 2 page(s) / 44K

Publishing Venue

IBM

Related People

Hampson, RA: AUTHOR [+2]

Abstract

A serial matrix print head 11 is spring-loaded against a resilient bail 15, which spaces the print head 11 from the top surface of passbook 13. Bail 15 Bail 15 conforms to the front surface of the open passbook which is registered against flat platen 17. Bail 15 is made more resilient than known in the prior art by providing a plurality of apertures 19. Apertures 19 may be simple round holes or S-shaped vertical slots. Vertical slots provide a longer beam length in the material adjacent the apertures and therefore make the upper portion of bail 15 flex more independently of the mounting portion 21 of bail 15.

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Apertures Improve Resiliency of Print Guide Rail

A serial matrix print head 11 is spring-loaded against a resilient bail 15, which spaces the print head 11 from the top surface of passbook 13. Bail 15 Bail 15 conforms to the front surface of the open passbook which is registered against flat platen 17. Bail 15 is made more resilient than known in the prior art by providing a plurality of apertures 19. Apertures 19 may be simple round holes or S-shaped vertical slots. Vertical slots provide a longer beam length in the material adjacent the apertures and therefore make the upper portion of bail 15 flex more independently of the mounting portion 21 of bail 15.

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