IMAGE READING APPARATUS, IMAGE FEEDING APPARATUS AND IMAGE FORMING APPARATUS

An image reading apparatus includes an image reading portion; a main assembly; a rotatable member; a damper unit mounted to either one of the main assembly and the rotatable member and including a cylinder portion and a piston portion inserted into the cylinder portion, wherein the damper unit is ex...

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Bibliographic Details
Main Author Nakamura, Takatsugu
Format Patent
LanguageEnglish
Published 04.02.2021
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
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Summary:An image reading apparatus includes an image reading portion; a main assembly; a rotatable member; a damper unit mounted to either one of the main assembly and the rotatable member and including a cylinder portion and a piston portion inserted into the cylinder portion, wherein the damper unit is expanded in an expansion direction and contracted in a contraction direction by sliding the cylinder portion and the piston portion relative to each other; and a contact portion provided on the other one of said main assembly and said rotatable member and configured to contact said damper unit, wherein the damper unit suppresses a speed of said rotatable member when said rotatable member lowers from an upper position toward a lower position in a state in which the contact portion contacts and presses the damper unit in the contraction direction.
Bibliography:Application Number: US202016944613