Integrated Knife Shearing Arm for Rope and Fishing Line Cutting
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Solution Overview
Problem
Fishermen often need to carry multiple tools for various tasks, such as cutting rope and fishing line, which is cumbersome and time-consuming, as traditional knives and shears require separate tools for each task.
Innovation Solution
A knife with a retractable blade and integrated shearing arm that allows for cutting rope and fishing line using a single tool, featuring a spring-loaded shearing arm that rotates relative to the knife's housing, enabling efficient use with minimal effort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple separate tools (knife and shears) are used for different cutting tasks, then task-specific functionality is improved, but device complexity and number of tools to carry increases
Solution Approach 1:
The patent combines a knife blade and shearing arm into a single integrated device. The knife includes a housing with a retractable blade for cutting rope and a shearing arm with a blade for cutting fishing line, both integrated into one tool that can be carried simultaneously, eliminating the need for separate knife and shears tools.
Solution Approach 2:
The single knife device performs multiple cutting functions: the retractable blade cuts rope and the shearing arm cuts fishing line. This multi-functional design allows one tool to replace multiple specialized tools, reducing the number of items to carry while maintaining task-specific capabilities.
2Productivity
If multiple separate tools are used for different cutting tasks, then cutting efficiency for each task is improved, but loss of time for switching between tools increases
Solution Approach 1:
By integrating both the retractable blade and shearing arm into a single knife device, the patent eliminates the time required to switch between separate knife and shears tools. Both cutting functions are immediately accessible in one tool, maintaining high cutting efficiency while removing tool-switching delays.
3Ease of operation
If traditional knife and shears are used separately, then simplicity of each tool is maintained, but ease of operation when carrying multiple tools decreases
Solution Approach 1:
The patent merges the functionality of a knife and shears into a single integrated device with a unified handle and housing. This consolidation reduces the cumulative complexity of carrying and managing multiple separate tools, while each cutting mechanism retains its simple, familiar operation mode.
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 knife with a shearing arm reduces the number of tools needed by combining multiple functions, allowing quick and efficient task completion with reduced effort and ease of use.
Implementation Method 1
The arm may be spring loaded or otherwise configured to rotate toward and away from the body of the knife in a rotational (e.g., shearing) motion.
Data Source
AI summary
Methods, systems, and devices for a knife with a shearing arm are described. In some instances, a knife may include at least one integrated shearing arm. For example, a knife may include a retractable blade that may be used to perform certain types of tasks such as cutting rope, cutting bate, killing a catch, and the like. Further, the knife may include a cutting shear having a retractable arm for performing different types of operations, such as cutting fishing line. The cutting shear may be integrated into the handle of the knife such that the knife's liner includes a blade (e.g., a first blade of a shear) and the arm includes a second blade (e.g., a second blade of the shear). The arm may be spring loaded or otherwise configured to rotate toward and away from the body of the knife in a shearing motion.