Hammer Bit Translating Axial Impact to Torque
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Solution Overview
Problem
Traditional methods for removing stubborn or stuck fasteners lack sufficient torque and clearance, making it difficult to efficiently remove bolts, nuts, and other fasteners, especially in confined spaces.
Innovation Solution
The development of a hammer tool bit with a shank and a distal end that defines a female or male geometry, coupled to a driver, which is adapted to be used with an air or impact hammer. This configuration allows the axial force from the hammer to be translated into torque at the distal end, effectively loosening fasteners.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If traditional wrench or ratchet is used to remove fasteners, then the tool is simple to operate, but insufficient torque is applied making it difficult to remove stubborn fasteners
Solution Approach 1:
The patent introduces a hammer bit as an intermediary component that couples the air hammer to the fastener through a driver. The bit includes a shank that receives the air hammer, a distal end with female geometry that engages the driver, and the driver engages the fastener. This intermediary mechanism allows the high-force impact from the air hammer to be effectively transmitted as torque to remove stubborn fasteners that cannot be removed by traditional wrenches alone.
2Force
If a breaker bar is used to increase leverage and torque, then torque is improved, but the tool becomes longer and harder to use in confined spaces
Solution Approach 1:
The patent transitions from the traditional linear leverage approach (breaking the torque-generation paradigm from one dimension - lever arm length - to another dimension - impact force) by using an air hammer that delivers high-force impacts along the axis of the bit. This allows significant torque to be generated in a compact tool configuration that can fit in confined spaces where a long breaker bar cannot be maneuvered.
3Force
If air hammer is used directly without a specialized bit, then high force is applied, but the force cannot be effectively translated into rotational torque on the fastener
Solution Approach 1:
The patent employs specific geometric parameters and configurations in the hammer bit design, including the female geometry at the distal end that matches the driver's male geometry, and the overall bit structure that optimizes force transmission. These parameter changes ensure that the axial impact force from the air hammer is efficiently converted into rotational torque on the fastener, making the system easy to operate with high effectiveness.
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 bit efficiently generates torque at the distal end, allowing for effective removal of stubborn fasteners, even in confined spaces, by leveraging the force of an air or impact hammer.
Implementation Method 1
the force from the air hammer or impact hammer causes the impact from bit into the driver to provide torque to the fastener
Implementation Method 2
Actuating the shank along an axis of the shank may apply a linear force to the driving structure to generate a torque at the distal end connected to the work piece
Data Source
AI summary
An air or impact hammer tool bit operatively coupled to a driver is described, whereby the axial force provided by the air or impact hammer is translated to an applied torque through a dedicated driver, such as a socket adapter or wrench. The air or impact hammer bit may include or define a receiving, or female, geometry to removably couple the dedicated driver. The bit may include additional anti-rotation geometry adapted to restrict the rotation of the bit while engaged with the air or impact hammer and retention geometry preventing the dedicated driver from disengaging from the bit.