IMAGE READING APPARATUS AND IMAGE FORMING APPARATUS
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United States of America Patent
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Issued Date -
Feb 14, 2019
app pub date -
Oct 16, 2018
filing date -
Mar 18, 2016
priority date (Note) -
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Abstract
An image reading apparatus includes an illumination unit that illuminates light on an image surface of a sheet, and a photoelectric conversion element that converts reflected light from the sheet illuminated by the illumination unit into an electric signal. The illumination unit includes a circuit board including a light emitting element, and a light guide that guides light, emitted from the light emitting element, to a sheet read surface. In the image reading apparatus, the light guide includes a positioning surface that abuts against a first surface of the circuit board and that performs positioning of the light guide and the circuit board, and a pressing portion that abuts against a second surface of the circuit board on an opposite side of the first surface and that presses the circuit board against the positioning surface.
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