Illumination device and image reading device
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United States of America Patent
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Aug 16, 2022
Grant Date -
N/A
app pub date -
Dec 24, 2019
filing date -
Feb 25, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
An illumination device and an image reading device are characterized by including: a rod-shaped light guide extending in a longitudinal direction and configured to guide light entering from an exterior and emit the light as linear light from a lateral surface; a light guide holding portion having a hole into which an end surface of the light guide is inserted; a supporter supporting the light guide holding portion slidably along the longitudinal direction; and a housing supporting or housing the light guide, the light guide holding portion and the supporter, at least the supporter being fixed to the housing, a direction of sliding of the light guide holding portion being restricted to the longitudinal direction by a supporter-side concave-convex portion that is a supporter-side groove portion or a supporter-side protruding portion at least one of which is formed on the supporter along the longitudinal direction.
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