Image reading device

Provided is a structure capable of preventing shaking of an image reading unit (1) during movement at low cost. A first contact portion (T1) between the image reading unit (1) and a guide shaft (2A) supports force (F1) acting in a gravity direction and force (F2) acting in a horizontal direction in...

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Bibliographic Details
Main Authors SASAKI TAKESHI, NAKAMURA TAKATSUGU
Format Patent
LanguageEnglish
Published 01.09.2015
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
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Summary:Provided is a structure capable of preventing shaking of an image reading unit (1) during movement at low cost. A first contact portion (T1) between the image reading unit (1) and a guide shaft (2A) supports force (F1) acting in a gravity direction and force (F2) acting in a horizontal direction in the case where the image reading unit (1) moves in a predetermined direction. In this case, the first contact portion is arranged so as to satisfy F1>F2×tan 1, where 1 represents an angle formed by a perpendicular line (γ) with respect to a tangential plane ( ) of the guide shaft (2A) and the horizontal direction. Thus, the image reading unit (1) can be prevented from being lifted due to rotation moment during movement.
Bibliography:Application Number: US201313739625