Developer Container Engagement Mechanism for Toner Leakage Prevention
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Solution Overview
Problem
Conventional image formation apparatuses face challenges in securely attaching and detaching developer containers, leading to potential toner leakage and misalignment during shipping and usage, which affects printing quality and convenience.
Innovation Solution
The design incorporates a first and second engagement part system with a regulation member to securely join and prevent the detachment of the developer container from the image formation device, utilizing a stopper and lever mechanism to maintain the engagement and prevent toner leakage during shipping and usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the developer container is designed to be easily detachable for replacement, then the ease of operation is improved, but the reliability of secure attachment deteriorates
Solution Approach 1:
The engagement part is designed to be movable between engaged and disengaged states, allowing the container to be securely attached during operation but easily removed when needed. The movable engagement part enables dynamic transition between secure attachment and easy removal.
2Ease of manufacture
If the engagement mechanism is simplified for easy manufacturing, then the ease of manufacture is improved, but the reliability of preventing detachment deteriorates
Solution Approach 1:
The engagement mechanism is divided into separate components: a first engagement part on the image formation device and a second engagement part on the developer container. This segmentation allows each part to be manufactured independently with simple structures while achieving reliable engagement when assembled.
3Reliability
If the developer container is securely fixed to prevent leakage, then the reliability is improved, but the ease of detachment for replacement deteriorates
Solution Approach 1:
The engagement part acts as an intermediary mechanism between the image formation device and developer container. It provides secure connection to prevent leakage during operation while allowing easy disengagement for replacement, mediating between the conflicting requirements of security and ease of replacement.
Data Source
AI summary
An image formation unit includes a developer container containing developer therein, an image formation device configured to form a developer image using the developer, a first engagement part provided at the image formation device, a second engagement part movably provided at the developer container, and a regulation member. The second engagement part is movable between an unengaged position and an engaged position with respect to the first engagement part. The regulation member regulates movement of the second engagement part in the state where the second engagement part is in the engaged position.