Concealed Wire Saw Ring for Comfortable Restraint Cutting
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Solution Overview
Problem
Existing escape wearables are expensive, obvious when worn, and lack a resilient cutting edge to effectively cut through common restraints, making them uncomfortable and ineffective for daily use.
Innovation Solution
A concealed wire saw embedded in a wearable silicone ring that blends into the wearer's skin tone, featuring a flexible diamond-coated wire that can be uncoiled for cutting through restraints, providing a strong and versatile cutting edge.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a concealed escape device is embedded in a wearable ring, then the device becomes invisible and comfortable for daily use, but the cutting capability is reduced
Solution Approach 1:
The ring body is made of soft silicone material for comfort and concealment, while the wire saw embedded within provides localized cutting capability. The contrast between the soft ring material and the sharp wire saw creates different functional zones - the ring provides concealment and comfort, while the wire saw provides cutting power when needed.
Solution Approach 2:
The invention combines silicone material (for the ring body) with diamond-coated wire (for cutting) to create a composite structure. This allows the ring to have both the comfort/concealment properties of silicone and the cutting capability of the diamond-coated wire, resolving the contradiction between concealment and cutting strength.
2Strength
If a rigid blade is used for cutting restraints, then cutting strength is improved, but the device becomes uncomfortable and dulls quickly
Solution Approach 1:
The wire saw is designed to be flexible rather than rigid, allowing it to bend and conform to different restraint shapes. This flexibility enables the wire to maintain contact with the restraint surface during cutting while being comfortable to wear daily. The wire can be tensioned during use to provide cutting force without requiring a rigid structure.
Solution Approach 2:
The wire saw undergoes parameter changes between coiled (concealed) and uncoiled (active) states. When coiled, it provides minimal resistance and maximum comfort for daily wear. When uncoiled and tensioned, it provides the necessary cutting strength. This dynamic parameter change allows the same structure to satisfy both comfort and cutting strength requirements at different times.
3Strength
If a visible escape device is worn, then the cutting capability is maintained, but the device becomes obvious and attracts attention
Solution Approach 1:
The ring is designed to match the skin tone of the wearer, making it visually indistinguishable from normal jewelry. The wire saw is concealed within the ring structure, so its presence cannot be detected by visual inspection. This color matching and concealment strategy allows the escape device to maintain cutting capability while being completely invisible to others.
Solution Approach 2:
The wire saw is nested within the ring structure, with the coiled wire hidden inside the ring body. The ring acts as a container that protects and conceals the escape device. When the wire is coiled, it fits seamlessly within the ring, creating no external indication of the escape capability. The nested structure allows the cutting device to be carried without visibility.
4Ease of operation
If a coiled wire saw is embedded in the ring, then the device becomes flexible and inconspicuous, but the cutting power is reduced
Solution Approach 1:
The wire saw is pre-coiled and pre-positioned within the ring structure during manufacturing. This preliminary coiling stores the wire in a compact, low-power state that provides flexibility and concealment. When needed, the wire can be quickly uncoiled and tensioned to generate the necessary cutting power, so the preliminary coiling does not permanently reduce cutting capability.
Solution Approach 2:
The wire saw transitions dynamically between a coiled low-power state (providing flexibility and inconspicuousness) and an uncoiled high-power state (providing cutting power). The wire can be tensioned and uncoiled only when cutting is needed, allowing the same structure to provide both flexibility/inconspicuousness and cutting power at different operational states.
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 silicone ring with embedded diamond wire saw offers comfort and inconspicuousness, allowing for effective cutting through various restraints with minimal training, ensuring readiness for emergency situations.
Implementation Method 1
The cutting strength of the diamond cutting saw wire works on a multitude of materials
Data Source
AI summary
A wearable concealed saw device having a wire saw removably embedded in a ring dimensioned and adapted to inconspicuously worn on a finger of a wearer. When embedded, the diamond wire saw is in a coiled condition so that when removed from the ring the wire saw is movable to an uncoiled condition for sawing. The wire saw may be diamond-coated wire. The ring may be made of silicone to facilitate the removable embedment and allow the wearer to easily change the color and tone of the silicone material to match the skin of the wearer or an incognito tone.