Original reading apparatus for reading image of an original
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United States of America Patent
Stats
-
Mar 17, 2015
Grant Date -
Oct 24, 2013
app pub date -
Mar 14, 2013
filing date -
Apr 18, 2012
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A light guide includes a plurality of boss portions. A round hole portion is provided near the center of a base member for fixing the light guide, and slit portions are provided on both ends thereof. The round hole portion supports one boss portion in both the longitudinal direction and the lateral direction of the light guide. The slit portions support boss portions in the lateral direction of the light guide, but are free in the longitudinal direction of the light guide. That is, the center of the light guide is fixed from both directions, and thus both ends of the light guides can expand away in the longitudinal direction. This cuts the influence of expansion by half.
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