Removable Power Tool Handle With Battery Status Light Guide
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Solution Overview
Problem
Existing battery-powered power tools with interchangeable tool accessories face issues such as increased weight and difficulty in gripping due to motor-equipped accessories, and battery accessibility challenges due to integrated battery packs.
Innovation Solution
A power tool design featuring a removable battery housing with optical indicators and a handle that includes a light guide to indicate battery status, along with interchangeable tool accessories and multiple handle configurations for ergonomic grip and easy assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If motor-equipped tool accessories are used to increase power and functionality, then the power and versatility of the power tool is improved, but the weight of the power tool increases and gripping becomes difficult
Solution Approach 1:
The power tool system is segmented into modular components: a battery housing containing the battery pack, a separate handle assembly, and interchangeable tool accessories. This segmentation allows users to attach only the necessary components for each task, reducing overall weight while maintaining power availability when needed.
Solution Approach 2:
The handle assembly is designed to be removably attachable to the battery housing, creating a dynamic configuration system. Users can adjust the setup by attaching or detaching handles and tool accessories based on specific task requirements, optimizing the weight-power balance for each operating condition.
2Device complexity
If the battery pack is integrated within the power tool housing for compactness, then the device complexity is reduced, but the battery becomes difficult to access for replacement or maintenance
Solution Approach 1:
The battery housing is designed as a separate, removable module that can be easily detached from the handle assembly. This segmentation maintains a compact integrated appearance during operation while enabling simple access to the battery pack by removing the entire battery housing unit.
Solution Approach 2:
The battery pack is extracted as a serviceable component within the removable battery housing. This allows the battery to be easily removed and replaced by simply detaching the battery housing from the handle, without requiring disassembly of the entire tool or access to internal components.
3Strength
If the handle is fixed to the power tool housing for structural stability, then the structural integrity is improved, but the adaptability and ease of assembly are reduced
Solution Approach 1:
The connection between the handle assembly and battery housing is designed to be removably attachable, creating a dynamic system that transitions between connected and disconnected states. This provides structural integrity during operation while enabling easy assembly, disassembly, and configuration changes for different tool accessories.
Solution Approach 2:
The handle assembly is designed as a universal base unit that can be configured with different battery housings and tool accessories. The removably attachable connection allows a single handle to serve multiple functions with different attachments, improving adaptability while maintaining structural stability when connected.
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
Enhances user comfort and ease of use by balancing weight distribution, improving grip versatility, and facilitating easy battery access and tool interchangeability while reducing manufacturing complexity.
Implementation Method 1
the battery housing comprises one or more optical indicators configured to indicate a status of the one or more battery cells or the power tool
Implementation Method 2
a light guide protrudes into the one or more housing apertures and the light guide is configured to guide light from the one or more optical indicators to an external surface of the handle housing
Data Source
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AI summary
A power tool comprises a battery housing comprising one or more battery cells inside of the battery housing and the battery housing comprises one or more optical indicators configured to indicate a status of the one or more battery cells or the power tool. A handle is removably attachable to the battery housing and has a handle housing arranged to overlap a portion of the battery housing when attached to the battery housing. The handle housing comprises one or more housing apertures configured to receive light therethrough from the one or more optical indicators when the handle is attached to the battery housing.