Modular Head Restraint Structure for Support and Rear-Seat Access
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
High performance vehicle seat assemblies require a balance between safety, support, and adjustability to accommodate both racing and daily driving conditions, while also providing easy access to rear seats, which existing designs fail to adequately address.
Innovation Solution
A vehicle seat assembly with an adjustable headrest and seatback system featuring a support member with outwardly extending wings, a pivotable seatback, and an actuator mechanism that allows for easy movement between upright and forward positions, enabling robust support and convenient access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a fully rigid racing seat is used, then safety and support are improved, but access to rear seats becomes difficult
Solution Approach 1:
The seatback is designed to be movable between a substantially vertical position (providing rigid support for racing) and a substantially horizontal position (facilitating access to rear seats). This dynamic configuration allows the seat to adapt between safety-oriented and accessibility-oriented states, resolving the contradiction between rigid support and ease of access.
2Device complexity
If a fixed headrest design is used, then structural simplicity is maintained, but adaptability for different driving conditions is reduced
Solution Approach 1:
The headrest assembly is divided into separate components: a headrest body, a support member with first and second legs, and connection mechanisms. This segmentation allows the headrest to be adjusted between different positions and configurations, enabling adaptation to both racing helmets and regular seating conditions while maintaining reasonable structural simplicity through modular design.
3Adaptability or versatility
If headrest adjustability features are added, then adaptability for specific performance conditions is improved, but device complexity increases
Solution Approach 1:
The headrest assembly is designed with multi-functional capabilities: it can support both racing helmets and regular headrest functions, provide lateral support through the support wings, and adjust to different positions. The support member with outwardly extending wings serves multiple purposes including structural support, adjustment mechanism, and comfort enhancement, thereby achieving adaptability without proportionally increasing complexity.
Data Source
AI summary
A headrest assembly for a vehicle seat includes a front panel with a base portion and a support portion. A rear panel includes a base portion and a support portion. A support member includes first and second legs that are interconnected by an upper cross member. First and second support wings are coupled to the first and second legs of the support member and outwardly extend therefrom. The base portion of the front panel couples to a front side of the first and second support wings. The base portion of the rear panel couples to a rear side of the first and second support wings. The support wings are overmolded to the support member along with one or more attachment features to interconnect the front and rear panels to one another around the support member.