Power Tool Attachment Magnet Layout for Gear Wear Control
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Solution Overview
Problem
Conventional power tool attachments are sensitive to wear, leading to malfunctions when used in confined spaces due to the use of small gear wheels, which are more prone to wear than larger ones.
Innovation Solution
Incorporating a magnet within the power tool attachment part to collect ferromagnetic particles, thereby reducing wear on the gear wheels and increasing durability, with the magnet positioned in various locations such as the lower or upper housing parts or a detachable cap to effectively capture particles regardless of the attachment's orientation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If small gear wheels are used to reduce the size of the power tool attachment part, then the attachment part can be used in confined spaces, but the gear wheels become more sensitive to wear and may malfunction
Solution Approach 1:
The patent applies the principle of converting harm into benefit by using a magnet to collect ferromagnetic particles (wear debris) that would otherwise cause damage. The magnet transforms the harmful effect of wear particles into a beneficial collection mechanism, preventing particles from causing further wear while allowing the use of small gear wheels in confined spaces
2Length of moving object
If small gear wheels are used to maintain compact dimensions, then the attachment part fits in confined spaces, but the gear wheels experience increased wear leading to malfunction
Solution Approach 1:
The magnet converts the harmful wear particles into collected ferromagnetic debris, preventing them from causing additional wear. This extends the service life of the small gear wheels while maintaining the compact length of the attachment part suitable for confined spaces
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 significantly decreases wear on the gear wheels, enhancing the durability and reliability of the power tool attachment part while maintaining its compact size, allowing for effective torque transmission in confined spaces.
Implementation Method 1
a magnet is arranged in the elongate housing, wherein the magnet is arranged to collect ferromagnetic particles
Data Source
AI summary
A power tool attachment part for a power tool includes an elongated housing including an upper housing part and a lower housing part interconnected with the upper housing part. An input gear wheel for connection to an output shaft of the power tool is arranged at a first end of the housing. An output gear wheel with an output connection is arranged at a second end of the housing. At least one intermediate gear wheel is arranged inside the housing to transmit rotation of the input gear wheel to the output gear wheel. A magnet is arranged in the elongated housing, wherein the magnet is arranged to collect ferromagnetic particles.