Image reading device and image forming apparatus

JP2024043483A5Pending Publication Date: 2026-06-19CANON KK
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
CANON KK
Filing Date
2023-06-16
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

Existing image reading devices with large rotating parts for accessing the lower conveyance path require users to hold the part with one hand while performing maintenance tasks, leading to poor workability and potential difficulty in cleaning or clearing jams.

Method used

The image reading device incorporates a mechanism that allows the second reading unit to be rotated and locked in an open position, along with a holding mechanism that maintains this state, enabling easier access to the conveyance path and reducing the need for manual handling during maintenance.

Benefits of technology

This configuration improves workability by allowing users to easily access and maintain the conveyance path without manually holding the rotating part, enhancing usability and reducing the risk of damage during maintenance tasks.

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Abstract

To improve workability when a user accesses a conveyance path where a reading part is exposed and performs work.SOLUTION: An image reading device comprises: a second reading unit 307 that is provided rotatably relative to a support part, can be closed to a first closed position to form a lower conveyance path 11b and can be opened to a first opening position to open the lower conveyance path 11b, and reads an image of a document conveyed through the lower conveyance path 11b at the first closed position; a separation guide member 500 that is provided rotatably relative to the support part, and can be closed to a second closed position to cover the second reading unit 307 located at the first closed position and a second opening position to open the second reading unit 307 in an openable and closable manner; and a holding mechanism 15 that, when an outer cover is located at a third opening position and the separation guide member 500 is located at the second opening position, regulates the movement of the separation guide member 500 to the second closed position and holds the separation guide member at the second opening position.SELECTED DRAWING: Figure 23
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