Swing Trainer Resistance Adjustment for Ambidextrous Use
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Solution Overview
Problem
Existing swing exercise machines are limited by bilateral symmetry, require complex adjustments, and lack easy, safe, one-handed resistance variation, making them difficult for both right-handed and left-handed users and often necessitating professional assistance.
Innovation Solution
A swing exercise machine with a universal design that allows easy, one-handed adjustment of resistance using a tension adjuster, enabling continuous variation without changing the setup, suitable for both right-handed and left-handed users, and allowing use with the user facing or back to the machine.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If bilateral symmetry is used in the swing exercise machine design, then the machine can accommodate both right-handed and left-handed users, but the resistance adjustment becomes complex and requires professional assistance
Solution Approach 1:
The patent applies asymmetry by providing a non-symmetric resistance adjustment mechanism on one side of the swing arm, allowing independent adjustment for right-handed or left-handed users without requiring bilateral symmetric design. The resistance unit can be positioned and adjusted asymmetrically relative to the swing arm pivot, enabling optimized resistance for each user's handedness while maintaining the other hand's capability through repositioning rather than complex reconfiguration.
Solution Approach 2:
The patent implements dynamics by making the resistance unit repositionable and adjustable during or after the exercise session. The resistance unit can be moved to different positions along the swing arm or adjusted in tension, allowing the machine to adapt dynamically to different user needs, handedness preferences, and resistance requirements without requiring complex pre-configured symmetric designs.
2Device complexity
If the resistance unit is positioned fixedly on the frame, then the machine structure is simple, but the resistance cannot be easily adjusted during exercise
Solution Approach 1:
The resistance unit is designed to be dynamically adjustable rather than fixed. It can be repositioned along the swing arm or have its tension adjusted during or after exercise sessions, providing ease of operation while maintaining relatively simple overall structure. The adjustability is achieved through straightforward mechanical positioning rather than complex mechanisms.
Solution Approach 2:
The resistance unit is segmented from the main frame structure, allowing it to be independently positioned and adjusted. This segmentation enables easy adjustment of resistance during exercise without requiring complex integration with the frame, maintaining structural simplicity while providing operational flexibility.
3Adaptability or versatility
If the swing arm must be centered relative to the frame for bilateral symmetry, then both-handed users can be accommodated, but the resistance adjustment requires moving the shock absorber between sides
Solution Approach 1:
The patent resolves this contradiction by allowing asymmetric positioning of the resistance unit relative to the swing arm. Instead of requiring the swing arm to be centered with symmetric resistance placement, the resistance unit can be positioned asymmetrically to provide optimized resistance for right-handed or left-handed users. This maintains adaptability to both-handed users while dramatically improving ease of adjustment.
Solution Approach 2:
The resistance unit is designed to be dynamically repositionable, allowing users to adjust its position and resistance characteristics during or after exercise sessions. This dynamic capability eliminates the need for complex pre-configured symmetric setups, enabling easy adjustment for different-handed users without requiring movement of shock absorbers between sides of the frame.
4Adaptability or versatility
If stepwise adjustment of shock absorber attachment points is provided, then resistance can be varied, but the swing arm must be positioned and held while adjusting
Solution Approach 1:
The resistance unit is designed to allow adjustment without requiring the swing arm to be positioned and held in a specific manner. The adjustment mechanism can be operated while the swing arm is in its natural position during or after exercise, eliminating the need for manual positioning and holding operations that complicate the adjustment process.
Solution Approach 2:
The adjustment mechanism is designed to be self-servicing, allowing users to adjust resistance independently without requiring assistance to position or hold the swing arm. The mechanism incorporates features that enable straightforward adjustment operations while the swing arm remains in its natural operational position, eliminating the need for additional manual intervention.
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
Enables intuitive, safe, and continuous resistance adjustment for both right-handed and left-handed users, eliminating the need for complex setup changes and professional assistance.
Implementation Method 1
The resistance to movement of the swing arm in the Capitelli swing trainer is provided by a conventional shock absorber the resistance of which may be incrementally variable by changing the points of connection of the shock absorber to the swing arm and the frame
Data Source
AI summary
An exercise machine for developing the speed of the swing of an item of sports equipment in which the resistance to movement of the sports equipment is separate from the control of the path of movement of the item of sports equipment and is continuously as contrasted with step-wise variable. The resistance may be adjusted with one hand independently of the position or movement of the item, and specialized skill or training in not required. The machine may be used for both left-handed and right-handed users without material adjustment.