Rotary Tool Base with Stand and Power Cord
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Solution Overview
Problem
Existing rotary power tools lack a compact design that allows for efficient use in confined spaces and often require on-board power sources, limiting their versatility and portability.
Innovation Solution
A rotary tool assembly that includes a motor-driven drive shaft, a base with a battery receptacle for powering the tool via a power cord, and a stand for supporting the tool when not in use, featuring interchangeable tool accessories and a speed control dial, allowing for flexible operation and storage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the rotary tool uses an on-board power source, then portability is improved, but device complexity increases
Solution Approach 1:
The power source is segmented from the tool body, with the battery pack housed in a separate base unit. The rotary tool itself remains lightweight and simple, while the base provides power through an extended power cord, resolving the contradiction between portability and device complexity.
Solution Approach 2:
An extended power cord acts as an intermediary between the base power source and the rotary tool. This allows the tool to maintain simplicity and portability while still accessing power from the base, eliminating the need for complex on-board power management in the tool itself.
2Volume of moving object
If the rotary tool is designed for compact operation, then usability in tight spaces is improved, but power delivery capability deteriorates
Solution Approach 1:
The power delivery capability is separated from the tool's spatial dimensions. The compact rotary tool head maintains small volume for tight space operation, while the base unit provides adequate power capacity through a separate power source, with the power cord bridging the two dimensions.
3Adaptability or versatility
If the rotary tool integrates multiple functions, then versatility is improved, but device complexity increases
Solution Approach 1:
The rotary tool is designed with universal compatibility for multiple tool accessories through a standardized mounting interface. This allows versatility to be achieved through accessory interchangeability rather than integrating multiple functions into the tool body, thereby maintaining simplicity while achieving adaptability.
Data Source
AI summary
A rotary tool assembly includes a rotary tool having a body with a working end and a rear end, a motor disposed within the body, and a drive shaft rotatably driven by the motor. A base of the rotary tool assembly includes a battery receptacle configured to receive a battery pack and a stand for supporting the rotary tool when the rotary tool is not in use. The stand includes two arms defining a tool receptacle therebetween in which the rotary tool is supported. A power cord extends between the base and the rotary tool to transfer electric power from the base to the rotary tool to selectively power the motor. The battery pack is received in the battery receptacle for form a foot of the base.