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US 5,421,255 AGranted
Method and apparatus for driving a substrate in a printing apparatus
AssigneeXerox Corporation
InventorGerald M. Kryk
Life of this patent
Estimating the term…
Abstract
An electrostatic printer employing a photoconductive belt wrapped around multiple rollers. A motor drives a first roller. An elastic belt is wrapped around the first roller and a second roller, allowing the first roller to drive the second roller.
Claims19
A printing apparatus having a charging station, an exposure station adjacent to the charging station, a developing station adjacent to the exposure station, a paper transfer station adjacent to the developing station, and an image transfer station adjacent to the paper transfer, the apparatus comprising:
- a first belt having a first width;
- means for advancing the first belt through the charging station, the exposure station, the developing station, the paper station, and the image transfer station, the advancing means including:
- first and second rollers spaced from each other, the first belt being disposed on the first and second rollers;
- a second belt, having a second width, disposed on the first and second rollers;
- and
- a motor for driving the first roller, said first roller in turn driving the second roller through the second belt.
3 more elements
A printing apparatus comprising:
- a first belt having a first width;
- a charging station including means for charging a portion of the first belt;
- an exposure station including means for recording a latent image on the portion of the first belt;
- a developing station includes means for forming a toner image corresponding to the latent image on the portion of the first belt;
- a paper station including means for advancing a paper onto the first belt;
- an image transfer station including means for transferring the toner image onto the paper;
- and
- means for advancing the portion of the first belt through the charging station, the exposure station, the developing station, the paper station, and the image transfer station, the advancing means including:
- first and second rollers spaced from each other, the first belt being disposed on the first and second rollers;
- a second belt, having a second width, disposed on the first and second rollers;
- and
- a motor for driving the first roller, said first roller in turn driving the second roller through the second belt.
9 more elements
Dependencies are inferred from the claim text.