Flexible Rod Exercise Device Torque Generation
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Solution Overview
Problem
Existing arm and shoulder muscle training devices are limited by their rigidity and short length, restricting the range of motion and effectiveness in generating centripetal and centrifugal forces, making them inadequate for comprehensive muscle development and portability.
Innovation Solution
A portable device with a flexible rod of at least 10 inches to 3 feet in length, allowing for adjustable grip and weight configurations, enabling users to perform throwing motions that generate high torque and resistance, thereby enhancing arm and shoulder muscle development through centripetal and reactive centrifugal forces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If a rigid extension is used in existing training devices, then structural stability is improved, but the range of motion and effectiveness in generating centripetal and centrifugal forces deteriorates
Solution Approach 1:
The patent replaces rigid extensions with flexible rods that can bend and flex during arm movements. This allows the device to adapt to various ranges of motion while maintaining structural integrity through the flexibility of the rod material itself, resolving the contradiction between rigidity and adaptability.
Solution Approach 2:
The flexible rod dynamically adjusts its shape and length during exercise movements, allowing the device to optimize its structural properties in real-time based on the user's arm position and motion, thereby achieving both stability and adaptability.
2Productivity
If the extension length is increased to at least 10 inches, then the effectiveness in generating centripetal and centrifugal forces is improved, but device portability and ease of storage deteriorates
Solution Approach 1:
The flexible rod can be bent into a compact configuration for storage and transport, reducing its effective length when not in use, while maintaining its full extended length during exercise to generate the required centripetal and centrifugal forces.
Solution Approach 2:
The flexible rod can be coiled or folded into a compact form factor that fits within standard exercise equipment storage spaces, allowing long rods to be stored portably without sacrificing their functional length during use.
3Ease of operation
If existing devices use short extensions (at most 2 inches), then device portability is improved, but the ability to generate sufficient torque and resistance deteriorates
Solution Approach 1:
The flexible rod maintains a long length (at least 10 inches) to provide sufficient leverage and moment arm for generating torque and resistance, while its flexibility allows it to be stored in a compact form for portability.
Solution Approach 2:
The flexible rod dynamically extends to full length during exercise to maximize torque generation, then contracts to a compact form for storage, allowing the device to achieve both high force output and portability.
4Productivity
If stationary training devices are used, then muscle training effectiveness is improved, but device portability and ease of transport deteriorates
Solution Approach 1:
The flexible rod enables the device to maintain its training effectiveness through proper biomechanical leverage while being light enough and flexible enough to be easily transported and used in various locations, eliminating the need for stationary installation.
Solution Approach 2:
The device is designed to be universally applicable in both stationary and portable settings, with the flexible rod allowing it to function effectively whether stored in a home gym or transported to outdoor locations for exercise.
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 device provides unique and effective muscle toning and development by allowing for greater torque and flexibility, minimizing joint stress, and enabling portable use, making it suitable for rehabilitation and various athletic training needs.
Implementation Method 1
The resultant action is the generation of centripetal force along the defined arc with the reactive centrifugal force providing resistance to the user's arm muscles
Implementation Method 2
the weight end moves along an arc defined through the length of the flexible rod. The resultant action is the generation of centripetal force along the defined arc with the reactive centrifugal force providing resistance
Data Source
AI summary
A device to strengthen a person's arm muscles through the utilization of a portable device including a handle portion and a weight component with the two components separated by a flexible rod is provided. Such a device allows for the user to grip the handle portion and act as if they are throwing such a handle portion while the weight end moves along an arc defined through the length of the flexible rod. The resultant action is the generation of centripetal force along the defined arc with the reactive centrifugal force providing resistance to the user's arm muscles in a manner that is unique and heretofore unattainable through the utilization of a portable exercise device. The flexible rod component provides at least 1 foot (100 cm) of spacing between the handle portion and the weight portion.