Pelvic Retainer Cable Tensioning for Skin Grip
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Solution Overview
Problem
Existing fashion and medical devices struggle to maintain grip on the skin without relying on pressure-sensitive adhesives or spring force, which are prone to inadvertent removal and inconsistent performance.
Innovation Solution
A novel clamping device configured with a substantially rigid yet resilient front and back support, a curved tube joining them, and a cable tensioner system that maintains contact force on the skin, providing grip without adhesives or spring force.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If pressure-sensitive adhesives are used to maintain grip on the skin, then the device can stay in position, but the device is prone to inadvertent removal and adhesive failure
Solution Approach 1:
The patent replaces adhesive-based retention with a mechanical cable tensioning system. The cable runs through a guide and connects to an adjustment mechanism, using mechanical tension rather than chemical adhesion to maintain grip on the skin. This eliminates adhesive failure risks while providing reliable, adjustable retention force.
Solution Approach 2:
The patent introduces a cable as an intermediary element between the adjustment mechanism and the gripping surface. The cable transmits tension force from the adjustment mechanism to maintain consistent grip on the skin, decoupling the adjustment function from the gripping function and allowing independent optimization of each.
2Reliability
If spring force is used to maintain grip on the skin, then the device can remain in position, but the spring force is variable and inconsistent
Solution Approach 1:
The patent replaces spring-based force with a cable tensioning system where the tension parameter can be precisely adjusted and maintained. The cable tension is controlled by an adjustment mechanism that allows setting a specific tension level, providing consistent and repeatable force rather than the variable force characteristics of springs.
Solution Approach 2:
The patent substitutes elastic spring mechanics with cable tension mechanics. The cable system provides a more stable and controllable force transmission mechanism, where the tension can be precisely set and maintained without the inherent variability of spring compression or extension.
3Strength
If the device uses a rigid structure to maintain shape, then the structural integrity is good, but the device cannot adapt to body movements
Solution Approach 1:
The patent incorporates a dynamic cable tensioning system that can adapt to body movements. The cable runs through a guide and connects to an adjustment mechanism, allowing the tension to be maintained while accommodating changes in body position and shape. This provides both structural integrity through the rigid supports and adaptability through the flexible cable system.
Solution Approach 2:
The patent divides the structure into rigid support elements for structural integrity and a flexible cable system for adaptability. The rigid supports maintain the device's overall shape and strength, while the cable system can flex and adjust to accommodate body movements, separating the functions of structural support and adaptive retention.
4Ease of operation
If the device is designed to be open-sided for fashion applications, then the garment can be removed easily, but the garment can also be inadvertently removed
Solution Approach 1:
The patent employs a self-adjusting cable tensioning system that automatically maintains grip pressure. The cable runs through a guide and connects to an adjustment mechanism that allows the system to self-regulate the tension, providing secure retention without requiring constant user intervention. This maintains reliable grip while allowing easy removal when intentionally activated.
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 device ensures consistent and controlled grip on the skin, allowing for open-sided garments and medical applications where fast application and removal of pressure are required, without the risks of adhesive failure or spring force variability.
Implementation Method 1
a cable tensioner in between of, or on either said front support or said back support; a cable which passes through said tube which is secured to said cable tensioner and to at least one of said supports, and when tensioned, remains substantially tight to the inside curvature of said tube
Data Source
Figure 1~2
Figure 3~4
Figure 5~6
AI summary
The invention relates to the field of fashion, medical and other applications. A retainer or clamp is configured to contact the body, providing a controlled clamping force to maintain grip to the skin or controlled pressure on a specific location, comprising a substantially rigid yet resilient front support (2, 13, 20, 36, 51); a substantially rigid yet resilient back support (4, 14, 21, 28, 32, 38, 53); a substantially curved rigid yet resilient tube (6, 16, 23, 30, 34, 40, 45, 49, 55), which directly or indirectly joins said front support (2, 13, 20, 36, 51) and said back support (4, 14, 21, 28, 32, 38, 53); a cable tensioner in between of, or on either said front support (2, 13, 20, 36, 51) or said back support (4, 14, 21, 28, 32, 38, 53); and a cable (7, 56) which passes through said tube (6, 16, 23, 30, 34, 40, 45, 49, 55) which is secured to said cable tensioner and to at least one of said supports (2, 4, 13, 14, 20, 21, 28, 32, 36, 38, 51, 53), and when tensioned, remains substantially tight to the inside curvature of said tube (6, 16, 23, 30, 34, 40, 45, 49, 55).