Modular External Cover for Image Forming Apparatus Coupling Mechanism
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Solution Overview
Problem
Existing image forming apparatuses with optional devices such as post-processing units lack an aesthetically pleasing and flexible external cover solution that can accommodate various device configurations without compromising design integrity or increasing production costs.
Innovation Solution
An external cover composed of multiple identically shaped cover members that can be rearranged or combined in linear and right-angle fitting states to cover the coupling mechanism, allowing for flexible reshaping to fit different models of post-processing devices without the need for redesign or reuse of existing covers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If a single dedicated cover is designed for each device model, then the exterior design is optimized for that specific model, but the manufacturing cost increases due to the need for multiple specific molds
Solution Approach 1:
The patent applies universality by designing a single type of cover member that can serve multiple functions across different device models. The cover member is designed with standardized dimensions and attachment mechanisms that allow it to be used on various post-processing devices and main bodies, eliminating the need for model-specific covers while maintaining aesthetic quality.
Solution Approach 2:
The patent segments the cover into multiple identical or substantially similar cover members that can be independently manufactured and then assembled in different configurations. This segmentation allows a single mold design to produce multiple cover units that can be arranged to fit different device models, reducing manufacturing complexity and cost.
2Shape
If multiple different cover designs are created for different device models, then each model gets a customized appearance, but the device complexity increases due to inventory management of multiple cover types
Solution Approach 1:
The universal cover member design allows a single cover type to be used across multiple device models, significantly simplifying inventory management. The standardized attachment mechanism and dimensions enable the same cover to fit different models, reducing the number of SKUs from multiple model-specific covers to a single universal cover type.
Solution Approach 2:
The patent introduces dynamic configurability where identical cover members can be arranged in different positions and orientations to accommodate various device models. This dynamic arrangement capability allows a static, identical set of cover members to adapt to different configurations, reducing inventory complexity while maintaining model-specific appearance options.
3Ease of manufacture
If existing covers are reused across different models, then production costs are reduced, but the exterior design quality deteriorates due to poor fit and appearance
Solution Approach 1:
The patent applies local quality by designing cover members with specific local features optimized for their attachment points. Each cover member has attachment portions and dimensions tailored to fit specific locations on the device, ensuring high-quality appearance and proper fit while maintaining overall standardization. This allows identical covers to achieve model-specific quality through localized design features.
Solution Approach 2:
The patent utilizes parameter changes by allowing the same cover member design to be applied with different dimensional parameters or arrangement configurations for different models. The cover members can be adjusted in position, orientation, or combination to achieve the optimal fit and appearance for each model while using the same base design, maintaining quality without requiring complete redesigns.
Data Source
AI summary
The external cover is a cover to cover a coupling mechanism. The coupling mechanism is disposed in a space between an image forming apparatus and an optional device that is disposed on a side of the image forming apparats and couples the optical device with the image forming apparatus. The exterior cover has an upper portion and a side portion. The upper portion extends in a front-back direction of the image forming apparatus, which is perpendicular to a direction in which the optional device and the image forming apparatus face each other; the upper portion covers an upper end portion of the coupling mechanism in the space. The side portion covers a front end portion or a back end portion of the coupling mechanism. The external cover is composed of a combination of multiple, identically shaped cover members.