Browse Prior Art Database

Captive Resilient Platen

IP.com Disclosure Number: IPCOM000051885D
Original Publication Date: 1981-Mar-01
Included in the Prior Art Database: 2005-Feb-11
Document File: 2 page(s) / 30K

Publishing Venue

IBM

Related People

Giedd, GR: AUTHOR [+3]

Abstract

This article relates to the disposition of a resilient platen material in a thermal printer/plotter which uses roll or continuous feed paper.

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Captive Resilient Platen

This article relates to the disposition of a resilient platen material in a thermal printer/plotter which uses roll or continuous feed paper.

In the above partial cross-sectional figure, thermal-sensitive paper 1 is pulled past a thermal printhead 2 during the printing operation. Active thermal elements 3 are kept in contact with paper 1 by the pressure of the printhead 2 on paper 1 and the surface of resilient element 4. Resilient element 4 is raised above the hard surface of a platen 5 to allow for intimate contact between paper 1 and thermal elements 3.

During operation, the softer resilient material of element 4 is prevented from wearing away by disposing it in a groove 6 in platen 5 to which it is bonded by adhesive layer 7. Surface 4 is raised above hard surface platen 5 by an amount 8 sufficient to insure that the resilient material is not compressed below the surface of platen 5.

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