Five-Point Chest Harness Plate for Single-Action Child Seat Release
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Solution Overview
Problem
Current car seat harness systems are cumbersome and prone to loosening or twisting, leading to human error and neglect in securing children, as they require multiple actions and can be uncomfortable.
Innovation Solution
A single-piece, five-point chest harness system with a retracting mechanism that allows for single-action release and securement, eliminating the need for multiple straps and buckles, and is designed to maintain its configuration over time.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a traditional five-point strap harness system is used, then the harness can be adjusted to fit different sizes, but the harness requires multiple actions to secure and can loosen or twist over time
Solution Approach 1:
The patent combines multiple separate harness straps and buckles into a single integrated chest plate harness structure. The chest plate serves as a unified component that simultaneously provides multiple harness attachment points and securing mechanisms, eliminating the need for separate straps and buckles that require multiple fastening actions.
Solution Approach 2:
The chest plate harness is designed to perform multiple functions simultaneously: it provides structural support, creates multiple harness attachment points, enables single-action securing, and prevents loosening or twisting. This multi-functional design replaces the need for separate components each performing individual functions.
2Adaptability or versatility
If a traditional five-point strap harness system is used, then the harness can be adjusted to fit different sizes, but the harness is prone to loosening or twisting over time
Solution Approach 1:
By integrating the harness structure into a single rigid chest plate rather than separate flexible straps, the patent eliminates the relative movement between components that causes loosening and twisting. The unified structure maintains its geometric configuration and attachment points in fixed positions.
Solution Approach 2:
The chest plate harness incorporates a retracting system with mechanical connections that enable dynamic adjustment while maintaining stability. The system can transition between locked and unlocked states while preserving the harness configuration integrity during both secured and adjusted states.
3Reliability
If a traditional five-point strap harness system is used, then the harness can be secured, but the strapping process is time-consuming and uncomfortable for children
Solution Approach 1:
The patent consolidates multiple fastening operations into a single action by integrating all harness attachment points and securing mechanisms into the chest plate structure. A single actuation simultaneously secures all harness points, eliminating the sequential fastening process required by traditional multi-buckle systems.
Solution Approach 2:
The chest plate harness is pre-configured with all necessary attachment points and structural elements in their correct positions before use. This preliminary arrangement eliminates the need for adjustment and alignment during the securing process, allowing immediate single-action fastening.
4Ease of operation
If a single-piece chest plate harness is used, then the number of actions to secure the harness is reduced to one, but the device complexity increases compared to traditional strap systems
Solution Approach 1:
While the chest plate integrates multiple functions into a single component, the overall system complexity is managed by replacing complex multi-component strap and buckle assemblies with this unified structure. The integration simplifies the system architecture by eliminating the need for multiple separate parts and their interconnections.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system is easier and more efficient to use, reduces the risk of loose or twisted straps, and provides the same level of safety as traditional five-point strap harnesses while minimizing human error and discomfort.
Implementation Method 1
a lever arm providing the mechanical connection along a distal end thereof; a plate pivot point provided along a proximal end of the lever arm
Implementation Method 2
the mechanical connection is a pivotable connection, and wherein the harness strapping interconnects the harness plate in a pivotable manner
Data Source
AI summary
A seat harness system having a harness plate lockable to a seat to form a five-point harness system for the seat. The harness plate is operatively associated with harness strapping, which is associated with a harness positioning system, which in turn is associated with an actuator to form a singular system that requires only a single action to release all five-points harness system by way of the actuator and the harness positioning system.