Cupped Shoulder Strap Nonparallel Affixing
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Solution Overview
Problem
Conventional shoulder straps often slip off the shoulder and fail to conform to the user's contours, providing inadequate support and stability, especially when carrying objects like bags.
Innovation Solution
A cupped shoulder strap design featuring a lateral and medial portion affixed in a nonparallel orientation, forming a convex shape that conforms to the shoulder, with adjustable straps and potentially incorporating non-slip materials to maintain position and distribute force effectively.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a typical strap is used to support a bag, then the strap can extend between two points on the bag, but the strap tends to slip off the user's shoulder and does not conform to the user's contours
Solution Approach 1:
The strap is formed with a cupped configuration that includes a curved receiving section designed to conform to the natural contours of the human shoulder. This curvature allows the strap to adapt to the user's anatomy, preventing slippage while maintaining comfort and stability during use.
Solution Approach 2:
The strap incorporates a cupped receiving section with specific geometric properties tailored for shoulder contact, while other portions of the strap maintain different characteristics for bag attachment and adjustment. This localized optimization of form allows the strap to simultaneously achieve contour conformability at the shoulder and functional attachment points elsewhere.
2Reliability
If a typical strap is used to support a bag, then the strap can be simple in design, but it fails to provide adequate support and stability
Solution Approach 1:
The cupped receiving section provides enhanced support and stability through its curved geometry that distributes weight more effectively across the shoulder. This structural feature increases reliability without requiring additional components or complex mechanisms, maintaining relative simplicity while improving performance.
3Reliability
If a typical strap is used, then the strap can be easy to manufacture, but it has a tendency to slip off the user's shoulder
Solution Approach 1:
The cupped configuration is formed through molding or shaping processes that can be integrated into existing manufacturing workflows. The curved geometry is created as a single continuous form, avoiding the need for multiple assembly steps or complex manufacturing operations, thus maintaining ease of manufacture while achieving anti-slip performance.
Data Source
AI summary
Embodiments of the present invention relate to a cupped shoulder strap. In general, the cupped shoulder strap may be comprised of a cupped shoulder strap receiving section and a plurality of strap. The cupped shoulder receiving section may have a lateral portion and a medial portion. To form a cupped shape, the lateral portion may be affixed, in a nonparallel orientation, to the medial portion at a superior affixing point that is proximate superior ends of the lateral and medial portions. Further, the lateral portion may be affixed, in a nonparallel orientation, to the medial portion at an inferior affixing point that is proximate inferior ends of the medial and lateral portions.