Modular Massage Roller Cavity for Different Vibration Ball Sizes
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Solution Overview
Problem
Existing foam rollers lack versatility in accommodating different sizes of vibrating massage balls, limiting their therapeutic effectiveness.
Innovation Solution
A massaging roller design featuring two interconnected cylinders with adjustable cavities to accommodate vibrating massage balls of varying sizes, allowing for interchangeable use of balls of different dimensions and enabling separate use of the ball or roller for enhanced therapeutic benefits.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a foam roller is designed with a fixed cavity size, then the structure is simple and easy to manufacture, but it cannot accommodate vibrating massage balls of different sizes
Solution Approach 1:
The foam roller is divided into multiple cylindrical sections that can be separated and reconfigured. Each section contains a portion of the cavity, and by assembling different combinations of sections, the total cavity volume can be adjusted to accommodate massage balls of various sizes. This segmentation allows the device to adapt to different ball sizes without requiring a completely different roller design for each size.
Solution Approach 2:
The cavity volume is made dynamically adjustable through the modular cylindrical section design. Users can selectively assemble or disassemble sections to change the total cavity capacity based on the size of the massage ball being used. This dynamic reconfiguration capability enables the same roller to work with multiple ball sizes, resolving the contradiction between adaptability and structural simplicity.
2Adaptability or versatility
If a foam roller accommodates multiple sized balls, then versatility is improved, but the device complexity increases
Solution Approach 1:
The foam roller is designed as a universal device that can serve multiple therapeutic functions by accommodating different sized massage balls. The modular cylindrical section system enables a single roller to perform the function of multiple specialized rollers, enhancing therapeutic effectiveness across various applications while maintaining a relatively simple base structure that can be configured for different needs.
3Ease of manufacture
If the cavity volume is fixed, then manufacturing is simpler, but the therapeutic effectiveness is limited
Solution Approach 1:
Rather than manufacturing a single complex variable-volume cavity, the design segments the cavity into multiple standard-sized cylindrical sections. Each section can be manufactured independently using standard processes, maintaining manufacturing simplicity. The therapeutic effectiveness is ensured by allowing users to assemble the appropriate number and combination of sections to match the required cavity volume for different therapeutic applications.
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
Enhances therapeutic efficacy by allowing users to select the appropriate ball size and use it independently or with the roller, ensuring optimal vibration transfer and flexibility in treatment options.
Implementation Method 1
A vibration motor may be positioned within the cavity so that vibrations generated by the vibration motor are transferred to the roller
Data Source
AI summary
A massaging roller may comprise a first cylinder and a second cylinder. The roller may be arranged in a first or second configuration depending on which end of the first cylinder is connected to which end of the second cylinder. In the first configuration, an interior space between opposing ends of the first and second cylinders may form a first cavity of a first size. Conversely, in the second configuration, an interior space between opposing ends of the first and second cylinders may form a second cavity of a second, smaller size. This may enable the roller to receive and secure therewithin vibration elements of different sizes. That is, vibration elements of different sizes may be used alone for therapeutic benefit or may be installed within one of the first cavity or the second cavity to impart vibration to the roller.