Back to results
US 11,529,818 B2Granted
Co-axial split drive rollers
AssigneeHewlett-Packard Development Company, L.P.
InventorRonald R. Anderson
Life of this patent
Estimating the term…
Abstract
In example implementations, a printer module is provided. The printer module includes a co-axial split drive roller, a first motor, a second motor, and a print bar. The co-axial split drive roller includes a first roller and a second roller that are movably coupled at a center of the co-axial split drive roller. The first motor is coupled to the first roller. The second motor is coupled to the second roller. The print bar is coupled to the housing over the co-axial split drive roller.
Claims9
A printer module, comprising:
- a co-axial split drive roller, wherein the co-axial split driver roller comprises a first roller comprising a cylindrical opening, a second roller comprising a center portion, wherein the center portion is inserted into the cylindrical opening of the first roller, and a nested bearing comprising a first bearing and a second bearing around the center portion of the second roller and located inside of the cylindrical opening such that the first roller and the second roller rotate independently;
- a first motor coupled to the first roller;
- a second motor coupled to the second roller;
- and
- a print bar over the co-axial split drive roller to dispense print material on print media on the first roller and the second roller.
2 more elements
A co-axial split drive roller, comprising:
- a first roller comprising a cylindrical opening;
- and
- a second roller comprising a center portion, wherein the center portion is inserted into the cylindrical opening of the first roller;
- and
- a nested bearing comprising a first bearing and a second bearing around the center portion of the second roller and located inside of the cylindrical opening such that the first roller and the second roller rotate independently.
2 more elements
Dependencies are inferred from the claim text.