Fast Change Bit Holder Device for Drilling and Fastening
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Solution Overview
Problem
The existing methods for drilling holes and inserting fasteners into workpieces are time-intensive and require multiple tools, leading to inefficiencies and increased costs due to the need for separate rotary tools for drilling, countersinking, and fastening.
Innovation Solution
A fast change bit holder device that includes a shank, tool bit, hex holder member, adapter hex member, double collet member, and collet retention cap, allowing for the transfer of rotary motion and enabling quick switching between drill bits and tool bits for efficient drilling and fastening operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate rotary tool devices are used for drill bit, countersink, and tool bit operations, then each operation can be performed with specialized equipment, but the overall process becomes time-intensive and requires multiple tools
Solution Approach 1:
The patent combines multiple tool functions (drill bit, countersink, and fastening tool bit) into a single holder device that can accommodate different tool bits. The holder member integrates multiple collet members and retention mechanisms, allowing the operator to perform drilling, countersinking, and fastening operations with one device rather than switching between separate rotary tools, thereby reducing time loss while maintaining operation quality
Solution Approach 2:
The holder device is designed with universal functionality to accommodate multiple types of tool bits including drill bits, countersinks, and fastening tool bits. The adaptable collet members and retention cap system allow the same holder to securely grip different tool bit configurations, enabling one device to replace multiple specialized tools and eliminate the time required to switch between them
2Reliability
If multiple separate rotary tool devices are used for drilling and fastening operations, then each function can be optimized independently, but the cost and operational burden increase due to charging or powering multiple devices
Solution Approach 1:
The patent merges the functions of multiple rotary tool devices into a single holder device that can accommodate drill bits, countersinks, and fastening tool bits. By integrating multiple tool holding capabilities into one device, the system reduces the number of separate powered tools needed while maintaining optimized performance for each function through specialized tool bit selections
Solution Approach 2:
The holder device achieves multi-functionality by incorporating adaptable collet members and retention mechanisms that can securely hold various tool bit types. This universal design allows one device to replace multiple specialized rotary tools, reducing device complexity and the burden of managing multiple powered tools while preserving function optimization through appropriate tool bit selection for each operation
3Productivity
If a combined drill bit and countersink is used, then one step is eliminated, but the majority of time is still spent on drilling and fastener insertion rather than step reduction
Solution Approach 1:
The patent extends the concept of combination tools by integrating drill bit, countersink, and fastening tool bit capabilities into a single holder device. This allows the operator to quickly switch between different tool bits for drilling, countersinking, and fastener insertion without changing the entire tool system, addressing the time distribution issue by making the transition between operations as efficient as the operations themselves
Solution Approach 2:
The holder device provides universal access to multiple tool bit types, enabling the operator to perform drilling, countersinking, and fastening operations with one device. The adaptable collet members and retention cap system allow rapid tool bit changes, making the time spent on operation transitions negligible compared to the actual drilling and fastening tasks, thereby optimizing overall productivity
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
This solution streamlines the process by allowing a single device to handle drilling, countersinking, and fastening, reducing the need for multiple tools and minimizing the time required for these operations, thereby enhancing efficiency and reducing costs.
Implementation Method 1
The inner gripping surfaces of the double collet member are cooperatively configured to transfer rotary motion from the tool bit to the drill bit
Implementation Method 2
The collet retention cap has a threaded inner wall that corresponds to the threaded outer wall of the second end portion of the adapter hex member such that the collet retention cap is rotationally joined to the second end portion of the adapter hex member
Data Source
AI summary
A method and apparatus for forming apertures and inserting fasteners in a workpiece is disclosed. One embodiment relates generally to a bit holder device for forming apertures and inserting fasteners into a workpiece. This embodiment comprises a tool bit, a hex holder member, an adapter hex member, a double collet member, a collet retention cap and a drill bit. The drill bit is capable of drilling an aperture into a workpiece whereupon the drill bit, the collet retention cap, the double collet member and the adapter hex member are removed from the hex holder member thereby, allowing the tool bit to forcibly insert a fastener into the workpiece.