Tennis Stroke Practice Device with Movable Insert
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Solution Overview
Problem
Current tennis stroke practice devices lack the ability to provide distinct sound feedback based on technique, are not designed for volley exercises, and often have permanently closed ends limiting their versatility and effectiveness in simulating actual game conditions.
Innovation Solution
A tennis stroke practice device with a movable insert and impact transmitter that produces different sound qualities based on the user's swing technique, featuring removable ends for attachments, and a design that accommodates both straight and curved tubes to facilitate various exercises including volley techniques, with a focus on correct racquet position and power development.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If traditional practice devices are used, then the device structure is simple, but the device cannot provide distinct sound feedback based on technique
Solution Approach 1:
The patent implements feedback by using a movable insert that strikes an impact transmitter to produce distinct sound qualities based on the user's swing technique. The sound feedback indicates whether the swing was correct or incorrect, providing real-time information about technique execution without requiring complex electronic sensors or systems.
Solution Approach 2:
The patent replaces complex electronic feedback systems with a simple mechanical sound-based feedback system. The movable insert and impact transmitter create acoustic feedback that naturally indicates technique quality, eliminating the need for motors, speakers, or electronic controls while still providing effective feedback.
2Adaptability or versatility
If devices with permanently closed ends are used, then the device structure is simple, but the device lacks versatility and cannot simulate actual game conditions
Solution Approach 1:
The patent applies segmentation by dividing the device into modular components with removable ends. The tube can be detached at either end, allowing different configurations and attachments. This modular design enables the device to adapt to various exercise types including volley exercises and different swing techniques while maintaining relatively simple individual components.
Solution Approach 2:
The patent achieves universality through the removable end design that allows the same basic device structure to serve multiple functions. By removing ends, the device can be configured for different exercises such as volley practice, groundstroke practice, and various swing techniques, making it a multi-functional tool for tennis stroke development.
3Loss of information
If devices without movable objects are used, then the device structure is simple, but the device cannot produce distinct sound qualities based on swing technique
Solution Approach 1:
The patent implements dynamics by incorporating a movable insert that can shift position and orientation based on the user's swing. The movable nature of the insert allows it to strike the impact transmitter at different angles and forces, producing distinct sound qualities that reflect the quality of the swing technique, thereby providing dynamic feedback about technique execution.
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 users to practice correct tennis stroke techniques with auditory feedback, effectively simulating the experience of playing a game by producing distinct sounds for correct and incorrect swings, and allows for the practice of volley exercises with improved power and control.
Implementation Method 1
a movable insert that can be moved within the tube to a position where it can strike an impact transmitter to produce a sound
Data Source
AI summary
A tennis stoke practice device comprises a tube comprising a first end, a second end and a hollow interior. The first end and the second end are operable for joining of accessories. A grip-bud is removably joinable to the first end. The grip-bud is configured to close the hollow interior at the first end. A grip is joined to the tube to abut the grip-bud. The grip-bud and grip comprise an octagonal shape. A movable insert is configured for projectile movement through the hollow interior in which, during a desired swing of the device, a longitudinal axis of the movable insert is substantially aligned with a longitudinal axis of the hollow interior. During an undesired swing of the device, the longitudinal axis of the movable insert rotates out of alignment with the longitudinal axis of the hollow interior.