Splined Socket Hand Tool With Flywheel Speed Multiplication
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Solution Overview
Problem
Existing hand tools and fasteners lack efficiency in rotating fasteners quickly and effectively along threaded shafts, requiring frequent relocation and manual effort due to limited rotational speed and duration.
Innovation Solution
The integration of a splined socket with gearing and flywheel mechanisms within hand tools and power tools, which increases rotational speed and duration by conserving angular momentum, allowing for continuous rotation and quick attachment of fasteners to threaded shafts through adjustable gear ratios and a power tool receiver.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If traditional hand tools are used to rotate fasteners, then manual effort is required, but the rotational speed and duration are limited
Solution Approach 1:
The tool employs a flywheel mechanism that accumulates rotational energy and releases it dynamically, enabling the splined socket to rotate at high speeds for extended durations. The flywheel's rotational inertia maintains motion without continuous user input, transforming manual effort into sustained high-speed rotation for rapid fastener attachment.
Solution Approach 2:
The gearing system with adjustable gear ratios changes the rotational speed parameter, allowing the user to select between higher speed/lower torque or lower speed/higher torque modes. This parameter adjustment optimizes the rotational characteristics based on the specific fastening task, significantly improving attachment speed when appropriate ratios are selected.
2Productivity
If traditional hand tools are used, then frequent tool relocation is required, but this reduces efficiency
Solution Approach 1:
The flywheel mechanism enables continuous high-speed rotation of the splined socket without requiring the user to reposition or re-engage the tool during the fastening process. The stored rotational energy sustains motion through the entire fastener attachment cycle, eliminating interruptions and frequent tool relocation, thereby maintaining continuous productive action.
3Speed
If gearing mechanisms are added to increase rotational speed, then device complexity increases
Solution Approach 1:
The gearing system is integrated into the tool's existing structure, with gears mounted on the flywheel assembly that serves multiple functions: energy storage, rotation maintenance, and speed multiplication. This multi-functional integration avoids adding separate complexity while achieving high rotational speeds at the splined socket through the combined mechanics of the flywheel-gear system.
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 enables faster and more efficient attachment of fasteners to threaded shafts by increasing rotational speed and duration, reducing the time required to run a fastener along the shaft and allowing for quick placement and locking without frequent tool relocation.
Implementation Method 1
increases rotational speed and duration by conserving angular momentum
Implementation Method 2
Gearing interconnects the rotatable actuator to the splined socket. The gearing increases or decreases rotational speed of the splined socket relative to the rotational speed of the outer grip
Data Source
AI summary
A hand tool for driving a fastener is provided. The hand tool includes gearing that interconnects a splined socket to a rotatable or trigger actuator and increases a rotational speed of the splined socket relative to the actuator. The hand tool may include a power tool receiver 38 or an independent motor to drive rotation of the splined socket to advance or retract a fastener from a threaded shaft. By increasing the speed and conserving rotational inertia, the hand tool reduces the time to secure a fastener on a threaded shaft. A rotatable nut is provided. The rotatable nut can slideably orient along a first axis and threadedly orient along a second axis to fasten to an adjacent surface.