Pivoting Chest Fastener for Load Distribution in Tool Harnesses
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Solution Overview
Problem
Existing carrying harnesses lack adaptability for different types of tools and equipment, leading to inadequate weight distribution and comfort issues due to fixed strap configurations and inability to adjust for varying loads.
Innovation Solution
A carrying harness with a chest clip that allows for automatic adjustment and pivoting of straps, enabling flexible attachment and distribution of loads across the chest and shoulders, with removable tool carrying straps and a back support plate for batteries or tools.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the chest strap permanently attaches shoulder straps to maintain structural stability, then the harness provides reliable load support, but the straps cannot be adjusted or removed for different carrying configurations
Solution Approach 1:
The chest attachment is divided into separate parts: the chest strap with attachment means, and the shoulder straps with corresponding connection means. This segmentation allows the components to be connected when needed for stable load support, and separated when different carrying configurations are required, resolving the contradiction between reliability and adaptability.
Solution Approach 2:
The attachment means between the chest strap and shoulder straps are designed to be dynamically connectable and disconnectable. This dynamic connection system allows the harness to transition between different states (attached for stability, detached for flexibility), enabling both reliable load support and adaptability for different carrying configurations.
2Ease of manufacture
If the chest strap uses fixed attachment points to simplify the structure, then the harness is easier to manufacture, but it cannot adapt to different tool positions and weight distributions
Solution Approach 1:
The attachment means are designed with universal functionality to accommodate different tool positions and weight distributions. The same attachment mechanism can connect at various positions along the chest strap and shoulder straps, providing adaptability for different carrying scenarios while maintaining a relatively simple overall structure that is easy to manufacture.
3Adaptability or versatility
If the chest strap allows multiple attachment positions to improve adaptability, then the harness can accommodate different tools, but the device complexity increases
Solution Approach 1:
The attachment system is segmented into modular components distributed along the chest strap and shoulder straps. This segmentation allows multiple attachment positions without requiring a completely complex system, as each segment can independently connect or disconnect, providing flexibility while controlling overall device complexity.
4Stability of the object's composition
If the shoulder straps are permanently connected to prevent twisting, then the harness maintains strap alignment, but it cannot be adjusted for different body shapes or carrying scenarios
Solution Approach 1:
The connection between shoulder straps and chest strap is designed to be dynamic rather than permanent. The attachment means allow the straps to be connected in a way that prevents twisting during use, but can be easily adjusted or reconfigured for different body shapes and carrying scenarios, resolving the contradiction between stability and ease of operation.
Data Source
Figure 1
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Figure 3A~3C
AI summary
The invention relates to a carry harness comprising: – two carry straps (16a, 16b), - two chest straps (18a, 18b) connected respectively to the carry straps (16a, 16b), – a chest fastener (20) configured for joining together the chest straps, the fastener extending along an attachment plane, – at least one tool-carrying strap (38). According to the invention: – the chest straps (18a, 18b) and the tool-carrying strap (38) are connected to the chest fastener (20) with freedom to pivot in the plane of attachment about at least one axis of pivoting passing through the chest fastener and perpendicular to the attachment plane, – the chest fastener (20) comprises a first part (20a) and a second part (20b), which parts are non-pivoting and removable one from the other, the first part (20a) and the second part (20b) being connected respectively to the chest straps (18a, 18b). Application to the carrying of tools and batteries of accumulator cells.