Seat assembly and clip
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Solution Overview
Problem
Existing seat assemblies face challenges in securely attaching trim covers to seat components, particularly in reducing weight and improving comfort while facilitating recycling and maintaining structural integrity.
Innovation Solution
A seat assembly with a mesh cushion made of entangled polymeric filaments and a clip with a hook and loop fastener system that secures the trim cover, allowing for easy attachment and detachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of moving object
If traditional attachment methods are used to secure trim covers, then structural integrity is maintained, but weight reduction and ease of maintenance are compromised
Solution Approach 1:
The attachment system is divided into discrete components: clips with retention features that can be individually positioned along the cushion perimeter, and corresponding engagement features on the trim cover. This segmentation allows for distributed attachment points that maintain reliability while using lightweight materials and reducing overall attachment mass.
Solution Approach 2:
Traditional mechanical fastening systems (screws, bolts, adhesives) are replaced with a snap-fit mechanism involving clips that engage with the cushion and trim cover through geometric interlocking. This substitution eliminates heavy fasteners and complex assembly procedures while maintaining secure attachment and enabling easy removal for maintenance.
2Ease of repair
If permanent attachment methods are used, then structural integrity is improved, but ease of repair and recycling are worsened
Solution Approach 1:
The attachment system transitions from a static permanent bond to a dynamic reversible connection. The clips can be engaged and disengaged multiple times through simple manual manipulation, allowing trim covers to be easily replaced for repair or recycling while maintaining consistent attachment strength through repeated use.
Solution Approach 2:
The clip design enables easy separation of the trim cover from the cushion, facilitating disposal or recycling of the trim cover without damaging the cushion or clips. The retention features are designed to release cleanly, allowing recovery and reuse of the clips and cushion assembly while the trim cover can be discarded or recycled independently.
3Ease of operation
If complex fastening systems are used, then attachment reliability is improved, but device complexity and manufacturing difficulty increase
Solution Approach 1:
The clip and trim cover engagement features are designed to self-align and self-engage during assembly. The retention features automatically snap into place when the trim cover is positioned over the clips, eliminating the need for alignment tools, fastening sequences, or complex manipulation procedures. This self-service mechanism simplifies operation while maintaining reliable attachment.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution provides a lightweight, comfortable, and recyclable seat assembly with improved attachment of trim covers, enhancing user experience and facilitating easy maintenance.
Implementation Method 1
a hook and loop fastener system that secures the trim cover
Implementation Method 2
clip with a hook and loop fastener system that secures the trim cover
Data Source
AI summary
A clip and a seat assembly comprising the clip. The clip is disposed in a mesh member. The mesh member comprises a set of filaments. The clip has a barb and a mount. The barb secures the clip to the mesh member. A hook and loop fastener secures a trim cover to the clip.