Vehicle Seat Cushion Bridging Section Gap Management
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Solution Overview
Problem
Existing vehicle seat cushion arrangements fail to provide a smooth, gap-free expansion of seat depth to accommodate varying occupant sizes without collecting dust or crumbs, and lack a visually appealing and durable solution for bridging the gap between movable pad regions.
Innovation Solution
A seat cushion arrangement featuring a guide device and bridging section that moves in a single layer to cover the gap between two pad regions, using a tensioning device to maintain a smooth, fold-free bridging mechanism, integrated into the seat design for enhanced comfort and aesthetics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the second pad region is movable to adjust seat depth, then adaptability to different occupant sizes is improved, but a gap forms between pad regions that collects dust and crumbs
Solution Approach 1:
The bridging section acts as an intermediary element that fills the gap between the first and second pad regions. It is guided by the guide device to move smoothly and maintains continuous contact with both pad regions, preventing dust and crumb accumulation while allowing the second pad region to move for adjusting seat depth.
Solution Approach 2:
The harmful gap space is effectively removed by introducing the bridging section that occupies and seals the gap between pad regions. The guide device extracts the problematic open gap and replaces it with a controlled, sealed pathway that prevents contaminant accumulation.
2Shape
If the bridging section moves freely to cover the gap, then smooth connection between pad regions is improved, but folds and recesses form that collect dust
Solution Approach 1:
The guide device serves as an intermediary structure that controls the movement of the bridging section. It provides a defined pathway that guides the bridging section in a single layer, preventing the formation of folds and recesses while maintaining smooth connection between pad regions during movement.
Solution Approach 2:
The bridging section is designed as a flexible element that can move smoothly within the guide device. Its thin film structure allows it to conform to the guide path without creating folds, maintaining a clean, dust-free surface while accommodating the movement of the second pad region.
3Shape
If the bridging section is tensioned to remain fold-free, then visual appearance and cleanliness are improved, but device complexity increases
Solution Approach 1:
The tensioning device adjusts the tension parameter of the bridging section to optimize its performance. By controlling the tension level, the system maintains the bridging section in a fold-free state for visual appeal and cleanliness, while the guide device provides the necessary geometric constraints to achieve this with relatively simple mechanical structures.
Data Source
AI summary
A seat cushion arrangement is provided for a vehicle seat with a first and a second pad region. The first pad region has a first pad cover and the second pad region has a second pad cover. The first and second pad region in a base position of the second pad region are arranged adjacent to one another. A gap is arranged between the first and the second pad region. The second pad region is able to be transferred relative to the first pad region from the base position into a distance position, in which a distance is formed between the first and second pad region, so that the seat cushion arrangement is enlarged in a seat depth. The second pad cover comprises a bridging section, which in the distance position of the second pad region is constructed for bridging the distance.