Handheld Router Lighting and Vibration Damping Layout
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Solution Overview
Problem
Existing routers lack efficient power management systems, lighting configurations, and vibration damping mechanisms, which affect their performance and usability in hand-held applications.
Innovation Solution
Incorporation of a brushless direct current (BLDC) motor with a battery pack providing at least 1800 W output, dual lighting devices, and advanced vibration damping elements, along with a two-action switch assembly and depth adjustment mechanisms, to enhance power tool performance and usability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If a battery pack with high power output is used, then the power output is improved, but the weight increases
Solution Approach 1:
The patent uses a brushless direct current (BLDC) motor which changes the electrical parameters and efficiency characteristics of the power system, allowing high power output with reduced weight compared to traditional motors
2Illumination intensity
If dual lighting devices are added, then the illumination capability is improved, but the device complexity increases
Solution Approach 1:
The patent combines both lighting devices into a single integrated housing structure with shared power supply and control circuitry, providing dual lighting functionality while minimizing additional complexity through unified design
3Object-affected harmful factors
If vibration damping elements are added, then the vibration reduction is improved, but the device complexity increases
Solution Approach 1:
The patent employs composite damping materials and structures that provide vibration reduction through material properties rather than complex mechanical assemblies, reducing overall device complexity while maintaining effectiveness
4Ease of operation
If a two-action switch assembly is implemented, then the ease of operation is improved, but the device complexity increases
Solution Approach 1:
The patent designs a two-action switch assembly where a single component performs multiple functions (motor control and lighting control), reducing the total number of separate controls and simplifying the user interface despite the enhanced functionality
5Adaptability or versatility
If depth adjustment mechanisms are added, then the adaptability is improved, but the device complexity increases
Solution Approach 1:
The patent implements depth adjustment mechanisms that allow dynamic modification of router operation parameters during use, providing adaptability to different work requirements while using straightforward mechanical adjustment components
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 improved power management, enhanced lighting capabilities, and reduced vibrations, resulting in a more efficient and user-friendly hand-held router.
Implementation Method 1
a brushless direct current (BLDC) motor situated within the housing and configured to provide rotational energy to rotate an output device of the motor unit about an output axis
Implementation Method 2
advanced vibration damping elements
Data Source
Figure 1
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AI summary
The present disclosure is directed to a power tool including a motor housing and an electric motor situated within the motor housing. The electric motor is configured to provide rotational energy to rotate an output device of the power tool about an output axis. The power tool also includes a cover configured to cover at least a portion of a surface of the motor housing that faces the output device. The power tool further includes a first lighting device located within the cover and a second lighting device located within the cover. The first lighting device and the second lighting device are located around the output axis and are separated from each other by at least 130 degrees about the output axis. The power tool also includes first power wires configured to provide power to the first lighting device from a power source of the power tool.