Removable Roller Shaft Support Members for Printing Apparatus
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Solution Overview
Problem
Existing printing apparatuses face challenges in replacing the shaft support body when it becomes damaged, as the current designs do not allow for easy removal and replacement of the shaft support body.
Innovation Solution
A printing apparatus with a base body and individually removably attachable support members for the driven rollers, utilizing an attachment/removal mechanism that includes elastic members or magnetic forces to facilitate the attachment and detachment of the support members, allowing for selective replacement of damaged components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the shaft support body is formed as a one-piece member, then the structural strength and stability are improved, but the ease of repair deteriorates because the entire shaft support body cannot be readily replaced when damaged
Solution Approach 1:
The shaft support body is divided into multiple independent support members (first support member and second support member) that can be separately removed and replaced. This segmentation allows individual damaged components to be replaced without replacing the entire shaft support body, improving ease of repair while maintaining structural integrity through the modular design.
2Ease of repair
If the driven roller is made replaceable by removing the roller shaft, then the ease of repair is improved, but the device complexity increases due to additional removal and attachment mechanisms
Solution Approach 1:
The support members are designed as separable components that can be individually removed from the base body. Each support member can be independently replaced by simple removal and attachment operations, achieving ease of repair without requiring complex multi-step removal and attachment mechanisms.
Data Source
AI summary
A printing apparatus includes a printing unit configured to perform printing onto a printing medium, a driving roller configured to provide a transporting force to the printing medium, a plurality of driven rollers configured to press the printing medium, which is transported by the driving roller, and configured to rotate in conjunction with a movement of the printing medium, a plurality of support members each being configured to support a roller shaft serving as a rotation axis about which each of the plurality of driven rollers rotates, a base body to which the plurality of support members are attached, and an attachment/removal mechanism configured to cause the plurality of support members to be removably attachable individually to the base body.