Segmented Strap Design for Load Distribution and Strength
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Solution Overview
Problem
Conventional camera straps face issues with strength when carrying larger objects and lack design variety, as they are either too narrow and uncomfortable or made from single wide cloths that compromise on strength and aesthetics.
Innovation Solution
A strap design featuring a hanging portion formed by stitching two or more rectangular cloths in a longitudinal direction, with sewn regions to distribute load and enhance strength, and bag-shaped portions for accessory storage, allowing for varied patterns and improved comfort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the hanging strap is made narrow to maintain strength, then the strength is sufficient, but the burden on neck and shoulder increases
Solution Approach 1:
The hanging strap is divided into multiple cloth portions (first cloth portion and second cloth portion) stitched together in the longitudinal direction. This segmentation allows the strap to achieve both narrow width for strength and wide effective contact area for comfort by distributing the load across multiple segments that together form a wider functional structure.
2Object-affected harmful factors
If the hanging strap is made wide to disperse load, then the burden on neck and shoulder is reduced, but the strength is insufficient for larger objects
Solution Approach 1:
The strap uses multiple separate cloth portions stitched together, where each portion maintains narrow width for strength while the combined structure provides wide load distribution. The stitching creates sewing portions that reinforce the structure, enabling the strap to bear heavier loads while maintaining comfort through the effective width of the combined portions.
Solution Approach 2:
The hanging strap is constructed as a composite structure combining multiple cloth portions with different patterns and the stitching material. This composite construction provides both the strength of individual narrow cloths and the load-dispersing capability of a wider effective structure, while the fasteners attached to end portions complete the composite system for secure attachment.
3Device complexity
If a single wide cloth is used for the hanging strap, then the design is simple, but the design variety is poor
Solution Approach 1:
The hanging strap is constructed from multiple separate cloth portions (first and second cloth portions) that can be independently selected with different patterns, colors, and materials. This segmentation enables diverse design combinations while maintaining a relatively simple overall structure, as the portions are simply stitched together in the longitudinal direction to form the complete strap.
Data Source
AI summary
Provided is a strap capable of reducing a burden applied to the neck and shoulder, having a sufficient strength to hold the object being carried, and having an excellent design. A strap (1) includes a strap portion (10) to be placed on the neck and shoulder, and a plurality of fasteners (16A, 16B) attached to the object being carried (50, 60) while the fasteners fastening both ends of the strap portion (10). The strap (1, 2) is characterized in that the strap portion (10) is formed by sewing two or more rectangular stoles (11, 12) along the longitudinal direction.