Developer Container Sliding Mounting with Rotating Engaging Member
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Solution Overview
Problem
Conventional developer containers for image forming units require complex locking operations to prevent accidental detachment, which deteriorates operability when attaching or detaching from the image forming apparatus.
Innovation Solution
A developer container design featuring a rotatably supported engaging member with a downstream end that swings between two positions, allowing for easy mounting and detachment by sliding along an arrangement line, and a recessed part that engages with the lock plate to maintain the mounted state, simplifying the attachment and detachment process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a lock is provided between the image forming unit and the developer container to prevent inadvertent removal, then reliability is improved, but device complexity increases and ease of operation deteriorates due to necessary locking operations
Solution Approach 1:
The engaging member automatically engages with the engaged part when the developer container is inserted into the image forming unit, and automatically disengages when removed. This self-service mechanism eliminates the need for manual locking operations while maintaining reliable attachment, thereby improving ease of operation without sacrificing reliability
Solution Approach 2:
The engaging member is configured to be movable between a first position (engaged state) and a second position (disengaged state), allowing dynamic transition between locked and unlocked states. This dynamic mechanism enables automatic engagement and disengagement based on the attachment state, resolving the contradiction between reliability and ease of operation
2Reliability
If a lock mechanism is provided to secure the developer container, then reliability is improved, but device complexity increases
Solution Approach 1:
The engaging member automatically performs the securing function through its own movement between engaged and disengaged states, eliminating the need for separate locking mechanisms. This self-service approach maintains secure attachment while significantly reducing device complexity
Solution Approach 2:
The traditional separate lock mechanism is extracted and replaced by an integrated engaging member that is part of the developer container assembly. This extraction simplifies the overall device structure while maintaining the security function through the engaging/disengaging mechanism
Data Source
AI summary
An image forming unit attachable and detachable with respect to an image forming apparatus includes a developer container in which a plurality of developer containing parts for containing respective developers are arranged on an arrangement line; and a detachable part that detachably supports the developer container wherein the developer container is mounted to the detachable part by sliding in mounting or detaching directions, wherein the detachable part has an engaging member that is rotatably supported, a downstream end part that is positioned at a downstream side of the developer container in the mounting direction. The downstream end part swings around the rotation shaft between a first position and a second position, the developer container has an engaged part that engages the downstream end part of the engaging member when the engaging member moves to the first position, and the downstream end part of the engaging member and the engaged part are engaged with each other and maintain a mounted state under which the developer container is mounted on the detachable part.