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US 6,631,986 B2Granted
Printer transport roller with internal drive motor
AssigneeSilverbrook Research Pty Ltd
InventorKia Silverbrook
Life of this patent
Estimating the term…
Abstract
A transport roller for moving printable media, the transport roller having a sleeve and a rotary driver. The sleeve has a substantially cylindrical outer portion and an internal cavity. The rotary driver is adapted to rotate the sleeve and is at least partially housed within the internal cavity of the sleeve.
Claims33
A print engine for a printer, the print engine including:
- a page width, microelectromechanical, inkjet printhead;
- a transport roller arranged adjacent the printhead for transporting one or more sheets of print media on which an image is to be printed past the printhead, the transport roller having a passage defined therein;
- and
- a drive means for rotatably driving the transport roller, the drive means being arranged in the passage of the transport roller.
1 more element
A transport roller for moving printable media comprising:
- a sleeve having a substantially cylindrical outer portion and an internal cavity;
- and
- a rotary driver adapted to rotate the sleeve,
- wherein the rotary driver is at least partially housed within the internal cavity of the sleeve.
1 more element
A print mechanism comprising:
- a printhead adapted to apply ink to printable media;
- and
- a transport roller adapted to move printable media past the printhead,
- the transport roller comprising:
- a sleeve having a substantially cylindrical outer portion and an internal cavity;
- and
- a rotary driver adapted to rotate the sleeve,
- wherein the rotary driver is at least partially housed within the internal cavity of the sleeve.
5 more elements
Dependencies are inferred from the claim text.