BELT, BELT GUIDE AND IMAGE FORMING APPARATUS HAVING THE SAME
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United States of America Patent
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Issued Date -
Sep 25, 2008
app pub date -
Nov 29, 2007
filing date -
Mar 19, 2007
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A belt guide and an image forming apparatus having the same are disclosed. The image forming apparatus includes a belt supported by supporting rollers and circulates endlessly. A belt guide is disposed on contact portions between the belt and each of the supporting rollers to prevent a separation of the belt from the supporting rollers. The belt guide is formed in a multi-step concave-convex shape, e.g., a staircase-like shape or a square wave shape. Accordingly, a contact area between the belt and the supporting roller is maximized, thereby effectively preventing wear, separation and color mis-registration of the belt due to meandering thereof.
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