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US 6,398,359 B1Granted
Printer transfer roller with internal drive motor
AssigneeSilverbrook Research Pty Ltd
InventorsKia Silverbrook, Tobin Allen King
Life of this patent
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Abstract
A print engine for a printer includes a page width printhead. A transfer roller is arranged adjacent the printhead for transferring ink deposited on its surface by the printhead to a surface of a sheet of print media on which an image is to be printed. The roller has a passage defined through it. A drive motor for rotatably driving the transfer roller and feeding the print media passed the transfer roller is arranged in the passage of the transfer roller.
Claims9
A print engine for a printer, the print engine including:
- a page width, microelectromechanical, inkjet printhead;
- a transfer roller arranged adjacent the printhead for transferring ink deposited on its surface by the printhead to a surface of a sheet of print media on which an image is to be printed, the roller having a passage defined therein;
- and
- a drive means for rotatably driving the transfer roller and feeding the print media past the transfer roller, the drive means being arranged in the passage of the transfer roller.
1 more element
Dependencies are inferred from the claim text.