Ergonomic Racquet Stringing Machine with Tilt-Adjustable Platform
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Solution Overview
Problem
Conventional racquet stringing machines require users to assume awkward postures, leading to injuries and fatigue due to their fixed orientation and design, which does not accommodate individuals of varying sizes or personal preferences.
Innovation Solution
An ergonomically designed racquet stringing machine with a tilt-adjustable platform and height-adjustable stand, equipped with an electronic control unit that allows users to customize the machine's orientation and tension settings based on their profile, enhancing comfort and efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the stringing machine has a fixed orientation and design, then the structure is simple and stable, but users must assume awkward postures leading to injuries and fatigue
Solution Approach 1:
The patent applies the dynamics principle by making the stringing platform tiltable and the stand height-adjustable, transforming the previously fixed structure into a dynamic one that can adapt to user needs. The platform tilt assembly allows the platform to rotate about a horizontal axis, and the height adjustment assembly enables vertical position changes, both controlled by control units that receive user inputs.
Solution Approach 2:
The patent implements parameter changes by allowing users to modify key geometric parameters of the machine: the height of the stand (vertical dimension) and the tilt angle of the platform (angular dimension). These parameter adjustments enable users to optimize their working posture and comfort level according to their body size and preferences.
2Adaptability or versatility
If the stringing machine accommodates individuals of various sizes, then user comfort improves, but the device requires multiple adjustment mechanisms increasing complexity
Solution Approach 1:
The patent applies universality by designing a single stringing machine system that serves multiple user sizes and preferences through integrated adjustment mechanisms. The height adjustment assembly and platform tilt assembly work together with the control unit to provide customized configurations for different users, making one machine universally adaptable rather than requiring multiple fixed-height machines.
3Ease of operation
If the platform is tilted forward for comfortable positioning, then user fatigue reduces, but the stringing plane angle changes requiring adjustment mechanisms
Solution Approach 1:
The platform tilt assembly implements the dynamics principle by enabling the stringing platform to rotate about a horizontal axis, transforming it from a static horizontal surface to a dynamic tiltable surface. This allows the platform to achieve various tilt angles within a specified range, accommodating users' comfort preferences while maintaining functional integrity.
4Manufacturing precision
If the machine provides customizable tension settings, then stringing precision improves, but the control system becomes more complex
Solution Approach 1:
The control unit implements feedback by receiving user inputs regarding tension preferences and body size, processing this information, and automatically adjusting the stringing machine's parameters including tension settings. This closed-loop control system enables precise tension customization based on user feedback without requiring complex manual adjustment mechanisms.
Data Source
AI summary
An ergonomically-designed racquet stringing machine. In certain embodiments, the stringing machine includes a stringing platform supporting at least one racquet mount for securing the racquet in a stringing plane at an angle of about 1 to about 15 degrees from a horizontal surface. A control unit may be coupled to the stringing platform and operably coupled to a platform tilt assembly for adjusting the position of the stringing platform and the angle of the stringing plane. Additionally, the stringing machine may include a tool storage tray coupled to the stringing platform, with the tool storage tray having a bottom surface that is in a plane non-parallel with the stringing plane.