Lock Jaw Tool Adjustable Beam Couplings
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Solution Overview
Problem
Existing material manipulation tools, such as locking pliers and hand screw wood clamps, often cause injuries due to excessive force release and limited gripping power, and lack versatility for various material handling tasks.
Innovation Solution
A lock jaw tool device with movably coupled beams and adjustable couplings that allow for independent control of jaw positioning, enabling the formation of fulcrums for generating pressure on different types of jaws, including gripping, bending, and cutting functions, with interchangeable jaws for various applications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If locking pliers are stressed to their limits to increase gripping power, then the gripping force is improved, but the tool can release with excessive force and injure the user
Solution Approach 1:
The patent incorporates a spring-loaded mechanism that acts as a cushion between the locking jaws and the user's hand. When the tool is released, the spring absorbs the excessive force gradually rather than allowing instantaneous release, thereby cushioning the user from injury while still permitting high gripping forces to be applied during operation
2Object-affected harmful factors
If the hand screw wood clamp uses soft wooden jaws to prevent marring of clamped wood, then the protection of the workpiece is improved, but the gripping power and versatility for other materials is reduced
Solution Approach 1:
The patent employs different jaw materials for different functions: soft wooden jaws are used specifically for clamping wood to prevent marring, while hard metal jaws are used for metalworking applications requiring high gripping power and cutting capabilities. This local differentiation of material properties allows each jaw type to be optimized for its specific application
Solution Approach 2:
The patent creates a universal clamping tool that can handle multiple material types and functions by providing interchangeable jaw sets. The same tool body and mechanism can accommodate soft wooden jaws for woodwork, hard metal jaws for metalwork, and specialized jaws for cutting and shaping, thereby achieving multi-functionality without compromising gripping power for any specific application
3Ease of operation
If the hand screw wood clamp relies on twisting grip strength on wooden handles, then the simplicity of operation is maintained, but the maximum force that can be generated is limited
Solution Approach 1:
The patent transitions from a static hand-screw mechanism to a dynamic lever-based locking mechanism. The handles are designed to be pumped back and forth, creating a dynamic motion that builds mechanical advantage progressively. This dynamic operation allows much higher forces to be generated compared to the static twisting motion of a hand screw, while still maintaining relative ease of operation through the lever action
4Device complexity
If traditional vises use a lower screw for keeping jaws parallel rather than increasing pressure, then the structural simplicity is maintained, but the versatility for different material manipulation tasks is reduced
Solution Approach 1:
The patent replaces the specialized single-function vise design with a universal locking plier that can perform multiple material manipulation tasks. By using interchangeable jaws with different functions (gripping, cutting, shaping, crimping) and a versatile lever-based mechanism, the tool achieves adaptability for various materials and operations while maintaining structural efficiency through the standardized tool body and locking mechanism
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 lock jaw tool device provides superior gripping force and versatility, reducing the risk of injury and enabling a range of material manipulation tasks with increased safety and efficiency.
Implementation Method 1
The one or more adjustable couplings enables the formation of fulcrums for the purpose of generating pressure on a multitude of different types of jaws
Implementation Method 2
Through independent control of the one or more adjustable couplings the jaws of the beams can firmly grip or otherwise manipulate material at varying angles
Data Source
AI summary
A lock jaw tool device may include a first beam and a second beam that may be movably coupled together in preferably two or more locations on each beam. A first jaw may be coupled to the first beam, and a second jaw may be coupled to the second beam. One or more adjustable couplings may couple the beams together and may govern the positioning of the beams relative to each other. By changing the positioning of the beams relative to each other, the positioning of the jaws relative to each other may also be changed. The one or more adjustable couplings enables the formation of fulcrums for the purpose of generating pressure on a multitude of different types of jaws. Through independent control of the one or more adjustable couplings the jaws of the beams can firmly grip or otherwise manipulate material at varying angles.