Perpendicular Transfer Gear for Fast Threaded Rod Nut Driving
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Solution Overview
Problem
Manual threading of nuts on threaded rods is a slow and fatiguing process, necessitating an improved system for efficient and ergonomic operation.
Innovation Solution
A drill attachment device featuring a transfer gear that rotates perpendicular to the drill axis, incorporating an open-ended slot for guiding a steel threaded rod and retaining nuts, with optional bristles and thread cutters for surface treatment, and an external driver mechanism to drive the nut using drill power, allowing for ergonomic operation and reducing manual effort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual threading of nuts on threaded rods is used, then the process can be performed with simple tools, but the process is slow and fatiguing
Solution Approach 1:
The patent replaces manual mechanical threading operations with a powered drill-driven system. The drill attachment converts rotational drill power into linear motion through the transfer gear mechanism, automating the nut advancement process and eliminating manual fatigue while increasing threading speed.
Solution Approach 2:
The transfer gear acts as an intermediary mechanism that converts the rotational motion of the drill into the linear motion required to drive the nut along the threaded rod. This intermediary mechanism enables efficient power transmission while maintaining ergonomic drill operation.
2Productivity
If drill power is used to drive the nut, then threading speed increases, but the drill must be held in a non-ergonomic position
Solution Approach 1:
The transfer gear is designed to rotate about an axis perpendicular to the drill axis, allowing the drill to be held in a comfortable vertical position while the gear mechanism converts this rotational motion into linear nut advancement. This dimensional change in the gear rotation axis resolves the ergonomic positioning issue.
3Adaptability or versatility
If the open-ended slot is configured to retain different sized nuts, then versatility increases, but the slot design becomes more complex
Solution Approach 1:
The open-ended slot is designed with a universal geometry that can accommodate multiple nut sizes through a single consistent design. The slot dimensions and shape are optimized to work with various nut sizes without requiring configuration changes, achieving versatility through a unified structural approach.
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 efficient and ergonomic driving of nuts and surface treatment of rods using drill power, reducing user fatigue and improving the speed of threading operations while accommodating different nut sizes and surface treatments.
Implementation Method 1
a transfer gear configured to rotate about an axis perpendicular to an axis of a drill used to power transfer gear
Implementation Method 2
bristles and/or thread cutters which extend radially into the hollow of the slot, and may be used to surface treat the rod (e.g., clean the rod threads, and/or cut threads within the rod) using drill power
Data Source
AI summary
Disclosed is a drill attachment device comprising a transfer gear configured to rotate about an axis perpendicular to the axis of a drill used to power the transfer gear. The transfer gear may comprise an open-ended slot which provides a passageway through which a threaded rod may pass. The open-ended slot may further be configured to retain a mechanical nut, enabling a user to run a threaded rod through the open-ended slot for driving the nut along the rod. The transfer gear may also support an external driver, and the drill attachment device may comprise guide slots configured to position the rod and/or nut against the external driver for driving a nut up or down rod.