Polygonal Massage Roller With Variable Protrusion Depth
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Solution Overview
Problem
Existing massage rollers provide limited and superficial massage effects, failing to achieve effective muscular fasciae release.
Innovation Solution
A massage roller with a polygonal main body and protruding massage parts arranged around its circumference, featuring a flexible cover layer and a harder inner core, providing a multi-level massage experience through differently shaped protrusions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a traditional massage roller is used, then the structure is simple and easy to manufacture, but the massage effect is limited and superficial
Solution Approach 1:
The massage roller surface is segmented into multiple protruding massage parts with different shapes and heights, arranged in arrays across the cylindrical surface. This segmentation allows different regions to provide different massage intensities and patterns, transforming a uniform simple surface into a complex multi-functional massage interface that enhances penetration depth while maintaining manufacturing feasibility through modular design
Solution Approach 2:
Different regions of the roller surface are equipped with massage parts having locally optimized properties - some areas have taller protrusions for deep tissue work, others have shorter ones for superficial relaxation. This local quality differentiation enables the single roller to provide varied massage depths across different body zones, achieving thorough fascial release without requiring multiple specialized tools
2Manufacturing precision
If the roller provides deeper massage, then the therapeutic effect improves, but the rolling rhythm becomes unstable
Solution Approach 1:
The protruding massage parts feature asymmetric height distribution and varied cross-sectional shapes, creating an asymmetric surface profile that maintains stable rolling motion. The asymmetric design ensures that at any rotation angle, the center of mass remains consistently positioned, preventing rolling instability while the varying heights enable deep penetration into different tissue layers during the rolling cycle
3Manufacturing precision
If the massage intensity is increased, then the fasciae release effectiveness improves, but the risk of excessive massage increases
Solution Approach 1:
The roller surface incorporates massage parts with locally differentiated characteristics - some regions have higher, sharper protrusions for intensive fascial work, while other areas have lower, broader elements for gentler stimulation. This spatial variation in local quality allows users to apply different intensities to different body zones, achieving effective fasciae release while automatically preventing excessive massage through the inherent gradient of stimulation intensities across the roller surface
Data Source
AI summary
A massage roller includes a polygonal main body and a protruding massage part. The protruding massage part is connected to the polygonal main body, and the protruding massage part is arranged around a circumference of the polygonal main body. Due to the arrangement of the protruding massage part around the circumference of the polygonal main body, the polygonal main body is capable of continuously massaging and relaxing a user's body parts while rolling.