Flexible Fastener Drive Tool with Universal Bit Retention
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Solution Overview
Problem
Existing hand tools for driving bolts and nuts around an axis lack versatility and user comfort, particularly in accommodating different types of driver bits and providing effective torque without slippage.
Innovation Solution
A hand-powered fastener drive tool with a cylindrical design featuring a flexible steel wire core, rubber covering, and interchangeable driver ports for various bit types, including ratchet options, to ensure secure bit retention and user comfort through elasticity and protection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single fixed driver port design is used, then the device structure is simple, but it cannot accommodate different types of driver bits (6 point, 12 point, flat head, Phillips head, star bits)
Solution Approach 1:
The driver port is designed with a universal geometry that can accommodate multiple types of driver bits including 6 point, 12 point, flat head, Phillips head, and star bits. The port features a cylindrical shape with internal dimensions and tolerances that allow various bit types to be inserted and retained, enabling a single tool to perform multiple fastening operations without requiring separate specialized tools for each bit type.
2Ease of operation
If a rigid driver port is used, then manufacturing precision is easier to achieve, but it causes slippage and lacks user comfort
Solution Approach 1:
The driver port incorporates a flexible rubber covering that envelops the steel wire core. This rubber layer provides a compliant interface that conforms to the user's hand and the driver bit, preventing slippage during operation. The flexibility of the rubber shell allows it to deform slightly under load while maintaining secure engagement, enhancing user comfort and control without requiring complex mechanical adjustment mechanisms.
3Ease of operation
If a flexible steel wire core is used, then elasticity and comfort are improved, but structural stability may be compromised
Solution Approach 1:
The tool combines a flexible steel wire core with a rubber covering to create a composite structure. The steel wire provides the necessary structural stability, tensile strength, and dimensional integrity, while the rubber layer contributes elasticity and comfort. This composite construction allows the driver port to maintain its shape and resist deformation under load while simultaneously providing a compliant, comfortable interface for the user and driver bits.
4Adaptability or versatility
If interchangeable driver ports are implemented, then versatility is improved, but device complexity increases
Solution Approach 1:
The driver port is designed as a separate, interchangeable component that can be attached to and removed from the main tool body. This segmentation allows users to swap between different driver port configurations or attachments as needed. The modular design simplifies the overall system by allowing the core tool to remain simple while providing versatility through optional attachments, rather than requiring a completely complex integrated 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
The tool provides secure bit retention, improved comfort, and ease of use by accommodating multiple bit types and sizes, while the rubber and woven steel components enhance durability and grip, facilitating efficient fastener driving.
Implementation Method 1
The flexible steel wire 101 provides for an elasticity that allows the flexible steel wire 101 to bend slightly along the center axis 111 of the metal cylinder and to twist around the center axis 111 of the metal cylinder.
Implementation Method 2
The exterior faces of the flexible steel wire 101, the first driver port 104, and the second driver port 105 are covered in a rubber covering 102. The purpose of this elasticity is to 1) prevent slippage while tightening of the individual driver head 132 by allowing adjustment during torqueing of the individual driver head 132
Implementation Method 3
Optionally, the first end and the second end can be fitted with a ratchet device.
Data Source
AI summary
The fastener drive tool is a hand powered drive device that is used to drive fasteners around an axis. The fastener tool device is formed in the shape of a cylinder. The first end of the fastener drive tool is designed to receive driver bits designed for use with power drills, including, but not limited to, 6 point, 12 point, flat head, Phillips head, and star driver bits and driver bit sets. The second end of the cylinder is designed to receive a square driver bits commonly used for driver sockets. Optionally, the first end and the second end can be fitted with a ratchet device. The fastener drive tool comprises a flexible steel wire, a rubber covering, a woven steel lube, a first driver port, and a second driver port.