Battery Pack Tool Holder for Faster Bit Changes
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Solution Overview
Problem
Existing machine tools require separate carrying and frequent changes of screwdriver bits, which is inconvenient and inefficient, especially when using multiple tools.
Innovation Solution
A holding device integrated with the battery pack of machine tools, featuring removable receptacles for securely storing and accessing screwdriver bits and other tools, allowing easy insertion and change, with features like elastically deformable walls and magnetic retention for secure friction-locking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If screwdriver bits are stored separately in a toolbox, then the carrying structure is simple, but tool access efficiency deteriorates due to frequent retrieval and change operations
Solution Approach 1:
The patent combines the tool carrying function with the battery pack structure by integrating receptacles directly into the battery pack housing. This merging eliminates the need for separate toolboxes while providing immediate tool access during operation, thereby improving productivity without significantly increasing overall system complexity.
Solution Approach 2:
The battery pack is designed with multi-functionality by incorporating both power supply and tool storage capabilities. The receptacles integrated into the battery pack allow it to serve dual purposes: providing electrical energy and holding screwdriver bits, thus improving tool access efficiency while utilizing existing structural elements.
2Ease of operation
If screwdriver bits are carried on the cordless screwdriver itself, then tool access improves, but the device complexity increases and portability deteriorates
Solution Approach 1:
The patent merges the tool storage function with the battery pack, which is already a necessary component of the cordless screwdriver system. By integrating receptacles into the battery pack structure, the system provides tool accessibility without adding separate carrying mechanisms, thus avoiding additional weight while maintaining ease of operation.
3Adaptability or versatility
If multiple screwdriver bits are carried across different machine tools, then versatility improves, but handling complexity and time loss increase
Solution Approach 1:
The battery pack with integrated receptacles serves multiple machine tools by providing a universal tool carrying solution. Different screwdriver bits can be stored in the receptacles and quickly exchanged across various machine tools, enhancing versatility while reducing tool change time compared to separate carrying methods.
Solution Approach 2:
The receptacles allow screwdriver bits to be pre-loaded and organized in the battery pack before use. This preliminary arrangement of tools enables quick access and rapid exchange during operation across different machine tools, thereby reducing tool change time and improving workflow efficiency.
4Reliability
If receptacles are made with elastically deformable walls for secure retention, then tool security improves, but manufacturing complexity increases
Solution Approach 1:
The patent employs elastically deformable walls in the receptacles that can temporarily change their physical state during tool insertion and then return to their original form to secure the tool. This parameter change approach provides reliable tool retention through elastic deformation while maintaining relatively simple manufacturing processes using common plastics or elastomers.
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
Enables convenient and secure storage and quick access to tools on multiple machine tools, reducing the need for separate carrying and facilitating tool changes, enhancing user experience and efficiency.
Implementation Method 1
The at least one or two lateral walls (for example relative to the groove base) can have an elastically deformable design so that, when the tool, accessory or consumable is introduced into the retaining groove, the lateral walls are elastically deformed by the tool, accessory or consumable and hold the respective component in the retaining groove
Implementation Method 2
the lateral walls are elastically deformed by the tool, accessory or consumable and hold the respective component in the retaining groove because the at least one deformed (by the component) wall exerts a force on the component
Implementation Method 3
At least one permanent magnet can be arranged on the groove base, in the groove base or adjacent to the groove base, in particular in the base portion, and/or on the lateral walls. Thus, the component or components, in some cases additionally, can be held by magnetic force
Data Source
AI summary
The invention relates to a holding device for arrangement on a battery pack of a machine tool, in particular a hand-held power tool, having at least one receptacle for holding a tool (14), an accessory or a consumable for the machine tool.