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Using Archimedes Curve to Maintain Tension within a Printer

IP.com Disclosure Number: IPCOM000245713D
Publication Date: 2016-Mar-31
Document File: 1 page(s) / 161K

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Abstract

Thermal printers often have the need to drive print media in both a forward and backward direction. Thermal printers are also desired to be capable of dual sided printing or printing on unusual die-cuts. Thermal printers can drive print media through the use of motor driven platens. However, issues can arise in maintaining tension within a print media web. When tension is not maintained, the print media web can jam, fold, wrinkle, or skew, causing issues within the printer. Instead of using standard straight paths within a thermal printer, through the use of a curved path, tension can be maintained within the web of the print media.

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Using Archimedes Curve to Maintain Tension within a Printer

Thermal printers often have the need to drive print media in both a forward and backward direction. Thermal printers are also desired to be capable of dual sided printing or printing on unusual die-cuts. Thermal printers can drive print media through the use of motor driven platens. However, issues can arise in maintaining tension within a print media web. When tension is not maintained, the print media web can jam, fold, wrinkle, or skew, causing issues within the printer.

Instead of using standard straight paths within a thermal printer, through the use of a curved path, tension can be maintained within the web of the print media.

The Archimedes curve surface R = Ro + Rk*dA would be able to generate an internal channel section profile that minimizes the possibility to form media material in jamming, folding, wrinkling, and skewing as well as keeps the contacting angle in a lower-resistance region. By passing the print media media web through a curved path, tension can be maintained on the print media web which can alleviate jamming issues.