Modular Seat Rail Fastening With Independent Lock Release

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Solution Overview

Problem

Existing seat fastening arrangements on rail arrangements are complex and cumbersome, lacking simplicity and rapidity in installation and removal.

Innovation Solution

A modular fastening arrangement comprising a lock module, a lock unlocking module, and a rail unlocking module, allowing for independent or synchronous operation, with an actuating module for easy installation and removal of seats on rail arrangements.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If a traditional fastening arrangement with hooks or screws is used, then the seat can be fastened on the rail arrangement, but the installation and removal process becomes complex and time-consuming

Engineering Contradiction:
Improveinstallation speedVSAvoidfastening arrangement complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The fastening arrangement is divided into separate functional modules: a lock module with locking elements for securing the seat, an unlocking module for releasing the locks, and a rail module with receiving elements. This segmentation allows each module to be optimized independently and simplifies the overall installation process while maintaining secure fastening capability.

Inventive Principle:
Principle #1Segmentation

2Weight of moving object

If a traditional fastening arrangement with multiple parts is used, then the fastening function is achieved, but the weight of the fastening arrangement increases

Engineering Contradiction:
Improvefastening arrangement weightVSAvoidfastening reliability
Core Design Contradiction:
Weight of moving objectVSReliability

Solution Approach 1:

The locking elements and receiving elements are designed to combine into a unified fastening system where the lock module integrates with the rail module through complementary geometric features. This merging reduces the number of separate components needed while maintaining reliable fastening through the integrated locking and receiving mechanism.

Inventive Principle:
Principle #5Merging (Combining)

3Adaptability or versatility

If a non-releasable welded connection is used, then the fastening is secure, but the seat cannot be removed or repositioned

Engineering Contradiction:
Improveseat repositionabilityVSAvoidfastening operation simplicity
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The fastening arrangement transitions from a static welded connection to a dynamic system with movable locking elements that can engage and disengage. The locking elements are designed to move between locked and unlocked positions, enabling the seat to be securely fastened during use and easily removed or repositioned when needed, providing both security and adaptability.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentUS12415441B2Fastening arrangement and seat
Publication Date: 2025.09.16 ADIENT US LLC
  • US12415441B2 patent drawing
  • US12415441B2 patent drawing
  • US12415441B2 patent drawing

AI summary

A fastening arrangement of a seat on a rail arrangement may have a modular construction and may have one lock module for releasably arresting the fastening arrangement on the rail arrangement. The fastening arrangement may also have one lock unlocking module for unlocking the lock module. The fastening arrangement may also have one rail unlocking module.