Axe Cover Snapping Mechanism for Secure Edge Protection
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Solution Overview
Problem
Existing safety covers for cutting tools lack comprehensive protection of sharp edges during transportation and display, often being expensive, not universally compatible, and prone to accidental opening, while also failing to integrate effective hanging and protection mechanisms.
Innovation Solution
A safety protective cover with a snapping mechanism and a locking system that securely encases the sharp edge of cutting tools, allowing for secure transportation and display, and includes a design that accommodates various tool shapes with a flexible and adjustable locking mechanism to prevent accidental opening.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional straps or locks are used to fasten axe covers, then the cover can be secured, but accidental opening may occur and the solution becomes expensive
Solution Approach 1:
The patent replaces traditional mechanical fastening systems (straps, locks, buttons) with a snapping mechanism that uses elastic deformation and geometric interlocking. The snapping key engages with locking arms through a simple rotational motion, eliminating complex mechanical components while maintaining secure fastening and preventing accidental opening.
2Ease of manufacture
If generic axe covers are used, then they can be manufactured simply, but they do not fit all axe shapes correctly
Solution Approach 1:
The patent designs the protective cover and snapping mechanism to be universally compatible with different axe shapes and sizes. The cover structure accommodates various head configurations, and the snapping key works with different locking arm positions, allowing a single design to protect multiple tool types without requiring shape-specific customization.
3Ease of manufacture
If simple covers without fastening elements are used, then they are easy to manufacture, but they cannot prevent accidental removal
Solution Approach 1:
The patent extracts the essential fastening function from complex mechanical systems and implements it through a minimal snapping mechanism. The snapping key and locking arms provide secure engagement with simple geometry, achieving reliable protection against accidental removal while maintaining manufacturing simplicity through reduced component count and easier production 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 solution provides enhanced protection against accidental exposure of sharp edges during transportation and display, ensures secure hanging, and prevents unintentional opening, addressing the limitations of prior art by offering a cost-effective and universally compatible solution.
Implementation Method 1
a rear resilient fastener of the axe
Data Source
AI summary
The present invention consists of a safety protective cover for cutting tool head having a protective housing fitted to receive a shape of the cutting tool and the rear portion has a locking mechanism fitted to be inserted inside a hole of the cutting tool. The locking mechanism has at least two locking arms capped at their end by a notch extending outwardly away from the other arm, and each arm comprises at least one rib on the inner surface thereof; and, further, the locking mechanism has a first side opening, a second side opening, a stop opening and a central opening; and has at least one rim on the inner surface of the central opening.