Motorized Face Roller With Protrusions for Deep Local Massage
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Solution Overview
Problem
Existing face massagers struggle to apply intensive pressure to local facial sites effectively, leading to reduced massage efficacy and increased user fatigue due to the need for manual reciprocating motion and difficulty in applying continuous pressure.
Innovation Solution
A face massager with a motor-driven roller featuring protrusions that rotate to intensively hit local facial sites, accompanied by grooves to minimize skin contact and reduce motor load, and a detachable design for ease of use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If a ball is coupled to a bar and manually moved in reciprocating motion, then the contact site between facial skin and ball becomes wide, but the pressure effect on local sites is minimal
Solution Approach 1:
The roller is segmented into multiple protrusions (at least three) that are spaced apart, allowing each protrusion to independently contact and apply pressure to different local sites on the facial skin. This segmentation enables intensive pressure application to multiple areas simultaneously while maintaining a compact contact footprint.
Solution Approach 2:
The roller features a curved outer surface with protrusions that naturally conform to the contours of the facial skin. This curvature allows the roller to maintain consistent contact with the skin surface while the protrusions concentrate force on specific points, resolving the contradiction between contact area and pressure intensity.
2Stress or pressure
If a user directly applies pressure by placing the ball on the local site and applying force, then the pressure effect increases, but the user's ease of use is significantly reduced and fatigue increases
Solution Approach 1:
The roller is designed to rotate dynamically in response to user movement rather than requiring manual pressure application. The rotation mechanism converts simple reciprocating motion into intensive pressure application through the protrusions, reducing user effort while maintaining effective massage pressure.
Solution Approach 2:
The manual force application mechanism is replaced with a rotation-based mechanism. Instead of the user directly applying pressure through muscle force, the roller's rotation causes the protrusions to automatically apply intensive pressure to the skin, substituting complex mechanical force application with simpler rotational motion.
3Stress or pressure
If a roller rotates in place with protrusions, then intensive pressure is applied to local sites, but the motor load increases due to skin contact friction
Solution Approach 1:
The roller surface is segmented into discrete protrusions separated by grooves. This segmentation reduces the total surface area in contact with the skin, thereby reducing frictional resistance and motor load while maintaining the intensive pressure application capability of the protrusions.
Solution Approach 2:
The roller employs a structure with grooves creating a porous-like surface topology. This reduces the effective contact area between the roller and skin, minimizing friction and motor power consumption while the protrusion portions maintain sufficient contact for effective pressure application.
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
The solution enhances massage efficacy by providing deep pressure to local sites, reduces user fatigue, and minimizes skin irritation and motor load while allowing easy roller replacement.
Implementation Method 1
rotating a roller in place by a motor and causing protrusions formed on the roller to intensively hit a local site of the facial skin
Data Source
AI summary
The present invention relates to a face massager, and more specifically, to a face massager capable of maximizing the massage effect by rotating a roller in place by a motor and causing protrusions formed on the roller to intensively hit a local site of the facial skin.