Angled-Claw Seat Cover Fastener for Stable Cushion-Wire Attachment

Solution Overview

Problem

Existing fastening systems for vehicle seat covers, which use clips to secure the cover to a wire within the seat cushion, are prone to dislodgment due to the clips being loaded from above, leading to instability and potential noise from wire movement.

Innovation Solution

A cover fastening clip design featuring a locking part with angled locking claws and a hook with a U-shaped wire holding cavity, which securely engages the wire and prevents rotation or removal, ensuring a stable and noise-reduced attachment.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If clips are loaded from above through the cover to secure the seat cover, then the installation is simple and quick, but the clips can be dislodged from the wire leading to instability and noise

Engineering Contradiction:

Improveinstallation simplicityVSAvoidclip retention stability

Core Design Contradiction:

Ease of operationVSReliability

Solution Approach 1:

The clip design inverts the traditional loading direction by having the clip engage the wire from below rather than being loaded from above. The U-shaped body with the opening facing upward allows the wire to be inserted from the bottom, creating a secure engagement that prevents dislodgment while maintaining ease of installation through the cover.

Inventive Principle:

Principle #13The other way round (Inversion)

Solution Approach 2:

The angled locking claws are pre-positioned at approximately 45 degrees to the horizontal plane, creating a preliminary geometric constraint that actively prevents wire rotation and dislodgment before any destabilizing force can occur. This pre-configured geometry provides inherent anti-dislodgment capability.

Inventive Principle:

Principle #9Preliminary anti-action

2Device complexity

If the wire can rotate or move within the cushion, then the clip structure remains simple, but noise is generated and stability is reduced

Engineering Contradiction:

Improveclip structure simplicityVSAvoidnoise from wire movement

Core Design Contradiction:

Device complexityVSObject-generated harmful factors

Solution Approach 1:

The angled locking claws are pre-positioned at approximately 45 degrees to the horizontal plane, creating a preliminary geometric constraint that actively prevents wire rotation and dislodgment before any destabilizing force can occur. This pre-configured geometry provides inherent anti-rotation capability that eliminates noise-generating movements.

Inventive Principle:

Principle #9Preliminary anti-action

Solution Approach 2:

The locking claws are designed with specific angular parameters (approximately 45 degrees to the horizontal) and dimensional relationships that optimize the mechanical engagement with the wire. These parameter optimizations create effective wire retention while maintaining overall structural simplicity.

Inventive Principle:

Principle #35Parameter changes

Data Source

PatentUS10543763B2Clip

Publication Date: 2020.01.28 YKK CORP

AI summary

A clip for attaching a seat cover to a seat cushion includes a locking part configured to be secured to the seat cover and a hook connected to the locking part and configured to be secured to a wire of the seat cushion. The hook defines a wire holding cavity.