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Thermal printing device and tape supply cartridge therefor

DC
  • US 5,056,940 A
  • Filed: 06/04/1990
  • Issued: 10/15/1991
  • Est. Priority Date: 02/01/1988
  • Status: Expired due to Term
First Claim
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1. A tape supply cartridge for operative insertion into and use with a thermal printing device or the like having a print station for forming a selected image onto a tape and an elongated rotatably driven first tape advancement roller rotatably supported within said printing device and including a first generally cylindrical roller portion and a first drive member mounted to said first roller for rotation therewith, said cartridge comprising:

  • a cartridge housing having top and bottom walls and an edge wall joining said top and bottom walls;

    a supply of tape for receiving a printed image;

    guide and alignment means for guiding said tape into alignment with said print station; and

    an elongated second tape advancement roller disposed within said cartridge housing and having a second generally cylindrical roller portion and a second drive member mounted to said second roller for rotation therewith, said second roller rotatably mounted within a portion of said cartridge and said second drive member adapted for operative engagement with said first drive member, the longitudinal axis of said second roller portion being generally parallel to the longitudinal axis of said first roller portion, said tape being disposed between said first and second roller portions for engagement therewith and said first and second drive members being engaged with one another when said cartridge is operatively inserted into said device; and

    bias means for biasing one of said first and second tape advancement rollers toward the other.

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  • 4 Assignments
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