Vehicle Seat Mover Layout for Continuous Tilt Height Adjustment
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Solution Overview
Problem
Existing vehicle seat systems lack the ability to seamlessly adjust tilt, height, and longitudinal position simultaneously, resulting in discrete and separate movements that can compromise comfort and safety by not accommodating various occupant preferences effectively.
Innovation Solution
A seat mover system incorporating two powered scissor jacks and a rotator unit that allows continuous adjustment of the vehicle seat's tilt, height, and longitudinal position in parallel, using actuators and movers to interconnect the seat with the seat foundation, enabling smooth transitions between configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If discrete or separate tilt, height, and longitudinal movements are used to adjust the seat, then the structure is simpler and easier to control, but the occupant comfort and safety are compromised due to inability to accommodate various preferences effectively
Solution Approach 1:
The patent combines three separate seat adjustment mechanisms (tilt, height, and longitudinal position) into a single integrated mover system. The mover simultaneously varies all three parameters in parallel through coordinated movement of scissor jacks and rotational units, allowing continuous adjustment from one configuration to another without discrete separate movements, thereby improving occupant comfort and safety.
Solution Approach 2:
The integrated mover system performs multiple functions simultaneously: it adjusts tilt angle, height, and longitudinal position of the vehicle seat all at once. This multi-functional capability allows the system to accommodate various occupant preferences effectively while maintaining a unified control mechanism.
2Adaptability or versatility
If continuous adjustment of tilt, height, and longitudinal position is implemented, then occupant comfort and safety are enhanced, but the device complexity increases due to multiple interconnected components
Solution Approach 1:
The complex mover system is divided into distinct functional modules: scissor jacks for height and tilt adjustment, and rotational units for longitudinal position adjustment. Each module has a specific function, and they work together through coordinated movement. This segmentation allows the system to achieve continuous multi-parameter adjustment while managing complexity through modular design.
Solution Approach 2:
The system employs dynamic components including scissor jacks that expand and contract, and rotational units that pivot about lateral axes. These dynamic elements enable continuous variation of seat parameters from one configuration to another, providing adaptability while the coordinated control manages the inherent complexity of the moving parts.
3Productivity
If two powered scissor jacks and rotational units are used to enable continuous movement, then the seat can be adjusted to various configurations smoothly, but the manufacturing complexity and cost increase
Solution Approach 1:
The mover system is designed to move the vehicle seat continuously from one configuration to another in a coordinated manner, with all adjustments (tilt, height, longitudinal position) happening simultaneously during a single movement sequence. This preliminary coordinated action reduces the total adjustment time and improves productivity, though it requires precise manufacturing and assembly of the interconnected components.
Data Source
AI summary
A seat system for use in a vehicle includes a vehicle seat and a seat mover system. The vehicle seat is arranged to support an occupant above a vehicle floor included in the vehicle. The seat mover system is configured to vary a tilt, height, and longitudinal position of the vehicle seat relative to the vehicle floor.