Vehicle Seat Rail Assembly With Transverse Struts for Lower Complexity

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Solution Overview

Problem

Existing vehicle seat arrangements with fewer adjustment rails face high structural complexity and manufacturing costs due to the need for more extensive support structures, which complicates the manufacturing process and increases costs.

Innovation Solution

A vehicle seat assembly comprising two parallel adjustment rails and at least one transverse strut that rigidly connects them, designed to absorb both longitudinal and transverse forces, allowing for simpler manufacturing and integration into a vehicle body shell structure, with the adjustment rails and transverse struts being connected through bonded, friction-locked, or form-fitting methods.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Quantity of substance

If two adjustment rails are used per vehicle seat, then the number of adjustment rails is minimized, but the assembly requires transverse struts to absorb transverse forces which increases device complexity

Engineering Contradiction:
Improvenumber of adjustment railsVSAvoidcomplexity of assembly structure
Core Design Contradiction:
Quantity of substanceVSDevice complexity

Solution Approach 1:

The patent merges the transverse struts with the adjustment rails to form an integrated assembly. This combination allows the structure to absorb both longitudinal forces (through the rails) and transverse forces (through the integrated struts) without requiring separate, complex support systems.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The adjustment rail assembly functions as a composite structure where the rails and transverse struts work together to handle different force vectors. This composite approach allows the minimal two-rail configuration to provide comprehensive force absorption capabilities.

Inventive Principle:
Principle #40Composite materials

Data Source

PatentUS20230294568A1Assembly for a slidable vehicle seat
Publication Date: 2023.09.21 AUDI AG
  • US20230294568A1 patent drawing
  • US20230294568A1 patent drawing

AI summary

An assembly for a vehicle, which includes two adjustment rails, arranged spaced apart and extending in parallel, for a seat of the vehicle and at least one transverse strut extending transversely to the adjustment rails, which rigidly connects the two adjustment rails to one another, as well as a body shell structure for a vehicle and a floor for a vehicle.