Elongate Power Tool With Removable Battery And Dual Interfaces
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Solution Overview
Problem
Multipurpose power tools with interchangeable tool accessories face challenges in weight distribution and battery accessibility, making them difficult to grip and maintain, especially when using motorized accessories and fixed battery packs.
Innovation Solution
A power tool design featuring an elongate housing with removable battery and interchangeable tool accessories, allowing for different gripping orientations and easy battery replacement, with optical indicators for battery status and adjustable handle configurations to accommodate various tool accessories.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If a motorized tool accessory is attached to the power tool, then the power and functionality of the tool accessory is improved, but the weight of the power tool increases and grip ergonomics deteriorate
Solution Approach 1:
The power tool system is segmented into separate components: a lightweight elongate housing containing the battery, and interchangeable tool accessories that can be attached as needed. This allows the user to attach only the specific tool accessory required for the task, rather than carrying a permanently attached heavy motorized accessory, thus reducing overall weight while maintaining power when needed.
Solution Approach 2:
The attachment configuration is made dynamic and adjustable, allowing the tool accessory to be interchangeably attached to different ends of the elongate housing. This enables the user to adjust the weight distribution and center of gravity depending on which end the accessory is attached, optimizing grip ergonomics for different working conditions while maintaining access to motorized power.
2Stability of the object's composition
If the battery pack is fixed within the power tool housing, then the structural integrity is improved, but the ease of maintenance and battery replacement deteriorates
Solution Approach 1:
The battery housing is segmented as a separate removable component from the main elongate housing. The battery pack can be easily detached by removing the tool accessory and pulling the battery housing away, allowing for quick replacement and maintenance while maintaining a stable, integrated structure during normal operation.
Solution Approach 2:
The battery housing is extracted as a separate, easily removable component from the main housing structure. This allows the battery to be quickly accessed and replaced without disassembling the entire tool, combining structural integrity during use with ease of maintenance through simple extraction.
3Ease of manufacture
If the power tool is designed for a single tool accessory, then the manufacturing complexity is reduced, but the adaptability and versatility deteriorates
Solution Approach 1:
The elongate housing is designed with universal attachment interfaces at both ends, allowing it to accommodate different types of tool accessories. The electrical and mechanical connection structures are designed to work with multiple accessory types, enabling one base unit to perform multiple functions through interchangeable attachments, thus achieving versatility without significantly increasing manufacturing complexity.
Solution Approach 2:
The attachment configuration is made dynamic and adjustable, allowing the tool accessory to be interchangeably attached to different ends of the elongate housing. This enables the user to adjust the weight distribution and center of gravity depending on which end the accessory is attached, optimizing grip ergonomics for different working conditions while maintaining access to motorized power.
Data Source
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AI summary
A power tool comprises an elongate housing comprising a battery. The elongate housing has a first end and a second end. The first end has a first electrical interface for removably receiving a first tool accessory comprising a first electrical component capable of being powered by the battery. The second end has a second electrical interface for removably receiving a second tool accessory comprising a second electrical component capable of being powered by the battery.