Multi-Surface Bonding for Sheet Member Peeling Resistance
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Solution Overview
Problem
Existing image forming apparatuses face issues where sheet members tend to peel off from attachment portions, especially when only the first surface of the attachment portion is bonded to the sheet member.
Innovation Solution
A mounting member is designed with a rectangular sheet member and an attachment portion where the first surface is bonded to one end portion of the reverse surface of the sheet member, and the surface facing a direction different from the first surface is bonded to the sheet member, enhancing the bonding stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If only the first surface of the attachment portion is bonded to the sheet member, then the bonding process is simple, but the sheet member peels off easily under rotational stress
Solution Approach 1:
The invention transitions from single-surface bonding to multi-surface bonding by utilizing both the first surface and the second surface (opposite to the first surface) of the attachment portion. This dimensional expansion of bonding areas prevents peeling under rotational stress while maintaining manufacturing simplicity through consistent bonding methodology across multiple surfaces.
Solution Approach 2:
The invention combines multiple bonding surfaces (first surface and second surface) into a unified attachment system. By bonding the sheet member to both surfaces of the attachment portion, the cumulative bonding strength exceeds the peeling force generated during rotation, effectively merging the bonding contributions from both surfaces to achieve reliable attachment.
2Reliability
If the sheet member is bonded to multiple surfaces of the attachment portion, then peeling resistance improves, but the manufacturing complexity increases
Solution Approach 1:
The invention utilizes the second surface (opposite to the first surface) of the attachment portion as an additional bonding dimension. This approach increases peeling resistance by distributing bonding forces across multiple surfaces without requiring complex three-dimensional bonding structures, maintaining manufacturing feasibility while improving reliability.
Solution Approach 2:
The invention applies bonding locally to specific surfaces of the attachment portion (first surface and second surface) rather than requiring complex overall structural changes. This localized bonding approach enhances peeling resistance at critical attachment points without increasing the complexity of the entire bonding structure.
Data Source
AI summary
A mounting member to be mounted on a member that moves in a traveling direction includes: a rectangular sheet member; and an attachment portion having a first surface bonded to one end portion of a reverse surface of a downstream side portion of the sheet member in the traveling direction, the attachment portion being detachably attached to an attachment-receiving portion and having a surface facing a direction different from a direction of the first surface and bonded to the sheet member.