IMAGE READING DEVICE, IMAGE FORMING APPARATUS
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United States of America
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Issued Date -
Jan 13, 2022
app pub date -
Nov 7, 2019
filing date -
Nov 7, 2019
priority date (Note) -
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status (Latency Note)
Importance
Abstract
One motor is shared for carriage movement and document sheet conveyance. An abutting member stops the carriage, that has moved from a second position located below a first end portion of a platen glass, at a first position located below a contact glass. The carriage supports the motor and first and second main body gears. The main body gears interlock with the motor. A cover input gear meshes with the first main body gear when the carriage is located between the first position and a relay region. A main rack gear meshes with the second main body gear when the carriage is located in a region extending from the relay region to a third position located below a second end portion of the platen glass. A load torque applied to the motor is larger when the carriage is fixed than when the cover input gear is fixed.
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