Detachable Remote Switch for Worktable-Mounted Power Tools
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Solution Overview
Problem
Power tools, such as routers, often require users to be distant from the device when turning it on or off, especially when mounted on a worktable, posing safety and operational challenges.
Innovation Solution
A detachable remote switch is integrated with the power tool, allowing it to be remotely actuated when connected to the motor assembly and electrical power source, with options for parallel or series arrangement with the main switch, and a movable door on the handle that exposes a socket for connection, enabling safe and convenient operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the router is mounted on a worktable with the cutting blade pointing upwards, then smaller workpieces can be placed on the worktable and cut, but the router main ON/OFF switch is locked in an ON position and the user may not be in the proximity of the router when turning the router on and off
Solution Approach 1:
A remote switch is introduced as an intermediary device between the user and the router's power control system. The remote switch is positioned on the worktable within easy reach of the user, allowing safe and convenient operation without requiring proximity to the router body or handling the main switch on the inverted router.
2Adaptability or versatility
If the router main ON/OFF switch is locked in an ON position for worktable mounting, then the router can be operated remotely, but the user cannot easily turn the router off when not in proximity
Solution Approach 1:
The remote switch serves as a safe intermediary for power control. It is electrically connected in series with the main switch circuit, allowing the user to reliably turn the router on and off from a safe distance without the risks associated with having the main switch locked in the ON position.
3Ease of operation
If a detachable remote switch is added to the power tool, then the user can control the power tool from a closer proximity, but the device complexity increases
Solution Approach 1:
The switch control system is segmented into two independent components: the main switch on the router body and a detachable remote switch. This segmentation allows the remote switch to be added only when worktable mounting is required, without permanently complicating the router's basic structure. The remote switch connects via a simple electrical interface.
Data Source
AI summary
A power tool including a housing and motor assembly mounted in the housing electrically connected to an electrical power source. The power tool includes a main switch configured to actuate the power tool. The main switch is mounted on the housing and in electrical connection with the motor assembly and the electrical power source. A detachable remote switch is electrically connectable with the motor assembly and the electrical power source. The detachable remote switch is configured to remotely actuate the power tool when the remote switch is electrically connected to the motor assembly and the electrical power source.