Thrown Glass-Breaking Impact Tool With Composite Projections
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Solution Overview
Problem
Current devices for breaking glass to gain access to an environment are handheld, risking injury to the user and cannot be used from a safe distance, especially in hazardous situations.
Innovation Solution
An impact tool with a core and projections made of different materials, configured to intersect hypothetical planes without contacting the core, allowing for throwing and damaging glass from a distance, enhancing handleability and safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If handheld devices are used to break glass, then the user can directly apply force to break the glass, but the user is exposed to glass shards and cannot operate from a safe distance
Solution Approach 1:
The impact tool uses a projectile as an intermediary between the user and the glass. The user throws the projectile at the glass, allowing force application without direct contact. This mediator (projectile) transfers the kinetic energy from the user's throw to the glass, enabling breakage from a safe distance and eliminating exposure to glass shards.
2Ease of operation
If handheld devices are used to break glass, then the user can control the breaking process, but the user cannot position themselves at a safe distance in hazardous situations
Solution Approach 1:
The projectile serves as a controllable intermediary that maintains user safety. The user can aim and throw the projectile with controlled force, maintaining control over the breaking process while positioning themselves at a safe distance. The projectile's flight path and impact point can be controlled, ensuring reliable operation in hazardous environments.
3Ease of manufacture
If a projectile with uniform material is used, then the manufacturing is simple, but the impact effectiveness and handleability are reduced
Solution Approach 1:
The impact tool uses a composite material structure with a core and an outer layer of different materials. The core provides structural integrity and mass for effective impact, while the outer layer enhances glass-breaking effectiveness and reduces rebound. This composite construction optimizes both impact effectiveness and handleability while maintaining manufacturability through layered fabrication processes.
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 impact tool enables safe and effective glass breaking from a distance, reducing user exposure to hazards and increasing usability in emergency situations.
Implementation Method 1
Each projection of the plurality of projections is attached to the core and has a first end, a second end, a length that extends from the first end to the second end, and is formed of a second material that has a second specific gravity. Each of the first specific gravity and the second specific gravity is greater than 2.5.
Data Source
AI summary
An impact tool includes a core and a plurality of projections. The core is formed of a first material that has a first specific gravity and each projection is formed of a second material that has a second specific gravity. The plurality of projections is configured on the core such that at least two projections intersect a first hypothetical plane disposed on the first side of the core and at least two projections intersect a second hypothetical plane disposed on the second side of the core and that is opposably facing the first side. Each of the first and second hypothetical planes is disposed a distance from the central lengthwise axis of the core that is greater than the radius of the core and less than the sum of the radius of the core and the length of a projection.