Mechanical scalp massage systems must navigate the complex anatomy of the scalp, where the galea aponeurotica and underlying muscles form a thin, interconnected layer requiring precise stimulation. Current devices typically deliver forces between 0.5-2.0 N across contact areas of 1-4 cm², but achieving uniform pressure distribution while accommodating varying head geometries remains challenging.

The fundamental engineering challenge lies in replicating the nuanced biomechanics of manual massage—combining sliding, compression, and vibrational forces—while ensuring user comfort and safety across different scalp conditions.

This page brings together solutions from recent research—including synchronized multi-element massage heads, contour-adaptive protrusion systems, eccentric wheel-driven reciprocating mechanisms, and independently controlled vibration assemblies. These and other approaches focus on delivering consistent stimulation while accommodating individual user differences in scalp sensitivity and head shape.

1. Scalp Massage Device with Horizontally Vibrating Elastic Gripping Heads

Sotsu Medical Co., Ltd., SOTSU MEDICAL CO LTD, 2023

Scalp massage device with horizontal scalp gripping heads that provides deep relaxation to the scalp muscles and fascia. The device has a base with a drive source, and the massage heads attach to the base. The massage heads have elastic fingers that grip and horizontally vibrate along the scalp. This stimulates and relaxes the thin scalp muscles and fascia. The horizontal gripping motion allows deep massage of the scalp muscles and fascia, which are thin and interconnected with other body areas.

2. Head Massager with Rotating Synchronous Mechanism for Sliding and Swinging Massage Components

SHENZHEN BREO TECHNOLOGY CO LTD, Shenzhen Breo Technology Co., Ltd., 2023

A massage mechanism and head massager that provides a more effective and comfortable scalp massage experience by mimicking the humanoid grasping and pinching action. The massage mechanism has a rotating synchronous part that simultaneously drives multiple sliding and swinging massage components. This allows the massage parts to slide, swing, and oscillate at varying speeds. It creates a humanoid grasping and pinching motion that relieves scalp tension and promotes blood circulation. The periodic reversing rotation of the synchronous part opens and closes the massage components in a repeating cycle.

3. Scalp Care Device with Contour-Adaptive In-and-Out Massaging Protrusions and Rotatable Support Mechanism

PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD, Panasonic Intellectual Property Management Co., Ltd., 2023

Scalp care device with multiple massaging protrusions that enhance scalp care by providing closer contact and better massage effects. The device has a head with multiple output shafts driven by a main body. Each shaft has an in-and-out massaging piece that moves in and out. This allows the massaging protrusions to follow the contours of the scalp for better contact and massage effect when moving over the scalp. The in-and-out massaging pieces have a base, support, and shaft that guide the movement. The support is rotatable between the base and claw to restrict motion. The multiple massaging pieces surround the in-out piece.

CN110584969B-patent-drawing

4. Scalp Care Device with Symmetrically Arranged Rotational Massaging Elements and Phase-Differentiated Motion

PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD, Panasonic Intellectual Property Management Co., Ltd., 2023

Scalp care device that enhances the effects of scalp care through synchronized massaging elements. The device features a head assembly with multiple output shafts, massage parts, and bases. The head comprises four rotational massaging elements arranged symmetrically across its width, with each pair rotating in a predetermined phase difference. This configuration creates a unique, synchronized massaging pattern that provides comprehensive scalp stimulation.

CN110584968B-patent-drawing

5. Head Massager with Independently Driven Sliding Scalp Pressing Bars and Adjustable Massage Balls

LIU ZHIQIANG, 2023

Head massager device with sliding scalp pressing bars that can provide customizable scalp massage to relieve tension and improve comfort. The massager has a head assembly with multiple sliding scalp pressing bars that can extend and retract. The bars have massage balls at the ends that contact the scalp. The bars are separately driven to allow adjustment of contact pressure and coverage area. The massager is worn on the head using straps around the neck.

CN115737397A-patent-drawing

6. Head Massager with Independently Controlled Vibration Claws and Integrated Control Assembly

HEFEI HEZHENG MEDICAL TECHNOLOGY CO LTD, 2023

A head massager that provides enhanced massage performance by enabling independent vibration control of each massage claw. The massager features a control assembly that securely mounts to the base and connects to multiple vibration sources, allowing each claw to operate independently. The massager's unique design enables precise control over each claw's vibration pattern, creating a more targeted and effective massage experience.

JP2023503398A-patent-drawing

7. Head Massager with Eccentric Wheel-Driven Short-Stroke Reciprocating Motion Mechanism

SHENZHEN CHUANGTONG ELECTRONIC EQUIPMENT CO LTD, Shenzhen Chuangtong Electronic Device Co., Ltd., 2022

Head massager with short-stroke reciprocating motion for deep scalp massage. The massager has a drive motor that moves an eccentric wheel. The eccentric wheel connects to a rod that moves back and forth. This short-stroke motion is transferred to a piston rod with massage heads at the top. The massage heads reciprocate short distances for deep scalp massage. The design allows high-frequency vibrations to relax the scalp muscles and improve blood circulation.

8. Scalp Care Device with Interchangeable Massage Attachments and Motorized Main Body

PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD, 2022

A scalp care device with replaceable massage attachments that can be easily swapped out to provide different massage experiences. The device has a main body with a motor and a removable massage attachment that can be attached and detached. The massage attachment contains massage elements like bristles or rollers that provide scalp massage when the device is turned on. The attachments can be customized based on user preference and needs. This allows users to switch between different massage types and intensities by simply attaching a different attachment.

9. Scalp Care Device with Interchangeable Massage Attachments Featuring Rotary or Sliding Motion and Integrated Interlock Switches

PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD, 2022

Scalp care device with replaceable massage attachments that can be attached and detached from the main body. The attachments have different massage elements with rotary or sliding motion to provide customized scalp massage. The attachments have protrusions that contact the scalp at an effective angle for optimal massage. The device has a motor to drive the attachment's massage element. The attachments have interlock switches that must be pressed to engage the motor. This prevents accidental use of the device without an attachment.

10. Head Massager with Eccentric Wheel and Mechanical Linkage Transmission System

SHENZHEN CHUANGTONG ELECTRONIC EQUIPMENT CO LTD, 2022

A head massager that provides targeted scalp massage through a novel transmission system. The massager features a compact housing containing a drive motor, transmission, and massage head assembly. The transmission comprises an eccentric wheel, piston rod, and connecting rod, which form a mechanical linkage that drives the massage heads. The eccentric wheel converts rotational energy from the motor to generate the precise back-and-forth motion required for effective scalp massage. The transmission design enables efficient energy transfer between the motor, eccentric wheel, and connecting rod, allowing for rapid and effective massage.

11. Scalp Massager with Cambered Housing and Annular Guide Ledges Supporting Multi-Functional Massaging Shaft

WAIJIAHUA ELECTRONICS CO LTD, Weihua Electronics Co., Ltd., 2022

A multifunctional scalp massager that combines massaging, scalp stimulation, and even facial massage capabilities. The device features a unique cambered housing with annular guide ledges that support the massaging shaft. The guide ledges are positioned to accommodate specialized massaging heads and scalp stimulation devices. The massaging shaft is connected to a drive mechanism comprising a motor and transmission system, with the transmission featuring worm gears and fixed gears that mesh together to drive the shaft. This configuration enables the massager to perform multiple functions while maintaining a consistent massaging motion.

CN215536339U-patent-drawing

12. Micro-Current Scalp Massager with Conductive Elastic Member Integrated in Conduction Assembly

Li Huijun, HAIJUN LI, 2022

A low-cost, low-noise micro-current scalp massager that combines gentle circular motion with microcurrent stimulation to promote relaxation and rejuvenation. The massager features a unique conduction assembly that incorporates a conductive elastic member to enhance the microcurrent delivery while minimizing noise and vibration. The conduction assembly is integrated into the massager head, allowing precise control over the microcurrent flow and massage pattern. This design enables effective scalp massage while maintaining a comfortable user experience.

13. Scalp Massage Device with Reciprocating Shaft Mechanism and Integrated Gear System

Chongqing Xiangqin Massage Equipment Co., Ltd., 2021

A scalp massage device with a larger massage range, better comfort, and higher use efficiency compared to existing devices. The device has a housing with a motor, rotating disk, inner gear, and multiple rotating shafts connected to massage assemblies. The shafts are reciprocated by a screw mechanism to increase massage range. The rotating disk, gear, and shafts mesh together to provide scalp massage. The reciprocating shafts move closer or farther apart to expand the massage area.

14. Modular Head Massager with Adjustable Intensity and Scalp Positioning Mechanism

YANTAI BEIERSHUANG HEALTH TECHNOLOGY CO LTD, Yantai Beiershuang Health Technology Co., Ltd., 2021

A head massager with adjustable massage intensity and scalp positioning for brain stimulation. The massager has a modular design with a housing that separates into sections covering different areas of the head. Inside each section is a rubber massage module with a motor, worm gear, and transmission shaft. The massage head with rollers attaches below the shaft. This allows the massage intensity to be adjusted by changing gears and the distance to the scalp by moving the sections. This provides customized scalp stimulation at specific acupoints for brain function benefits.

CN214157977U-patent-drawing

15. Head Massager with Independently Vibrating Detachable Claw Components

HEFEI HEZHENG MEDICAL TECHNOLOGY CO LTD, 合肥和正医疗科技有限公司, 2021

Head massager with independent vibrating massage claws to avoid resonance and discomfort. The massager has a base and multiple detachable massage components, each with its own vibration source. The user attaches the massage components to their head, and each claw vibrates independently. This allows coordinated full head massage without resonance issues. The vibration strength can be adjusted for user preference. The massager also has components to fit the head shape.

CN214129399U-patent-drawing

16. Scalp Massage Device with Four-Way Motion Gears, Integrated Liquid Injection System, and LED-Equipped Massage Heads

Tenminds Co., Ltd., TENMINDS CO LTD, 2021

Scalp massage device that provides effective scalp massage without damaging the scalp. The device has a mechanism with four motion gears and swing arms that move four massage heads simultaneously in a four-way motion. This provides a thorough scalp massage. The device also has a liquid injection system that sprays scalp treatments through the massage heads when pressed. The massage heads can have LEDs to emit scalp-improving light during massage. The device can also have a pump with pressure sensor and valve to automatically spray liquid when pressure is low.

KR102251297B1-patent-drawing

17. Head Massage Device with Movable Top and Base Featuring Multiple Contoured Massage Columns and Protective Cover

HUANG YUYOU, 2021

Head massage device that provides deep scalp massage to relieve stress and promote brain function. The device has a top part that bends downward with grips on either side. A movable part connects the top to the grips. The bottom has a base with multiple massage columns. Pulling the grips down moves the top and base together, allowing the columns to follow the contours of the scalp for targeted deep massage of asymmetrical acupoints. A cover prevents dust on the columns. This provides better scalp coverage and deeper massage compared to hand massage or tools with soft protrusions.

18. Head Massage Device with Contoured Shape and Movable Section for Targeted Pressure Point Stimulation

HUANG HSUAN-YU, 2021

A head massage device that provides deep scalp massage while effectively targeting the brain's pressure points. The device features a contoured head shape that matches the human head's natural contours, with a movable section between the head's sides that allows precise control over the massage area. The device has a built-in cover to prevent dust from the massage column, and its ergonomic design enables comfortable and sustained pressure application.

WO2021077275A1-patent-drawing

19. Vibrating Head Massager with Handle-Integrated Motor and Claw-Attached Massage Balls

WENZHOU DAXIN TECHNOLOGY CO LTD, Wenzhou Daxin Technology Co., Ltd., 2021

Head massager that vibrates to automatically massage the scalp without requiring user hand manipulation. The massager has a handle with a built-in vibration motor. The massager claws are connected to the handle and have massage units with balls. When the vibration motor is turned on, the vibrations transmit through the handle and claws to the massage balls. This allows the user to place the massager on their head and get an automated massage without needing to hold and move the claws themselves. The claws have arched supports with massage balls at the ends that fit closely to the scalp. The claws can also be manually operated by the user to drive them up and down.

CN212347138U-patent-drawing

20. Scalp Massager with Motorized Oscillating Massage Balls on Radial Arms

VOROBETS LYUDMILA, 2021

Scalp massager with oscillating massage balls attached to radial arms that can be activated by a motor in the hub. The massager is placed on the head and the oscillatory motion of the massage balls on the arms helps relieve stress and improves circulation in the scalp. The motor can be turned on/off and speed controlled through a dial on the hub.

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21. Scalp Massager with Integrated Kneading Mechanism and Microcurrent Conductive Assembly

HAIJUN LI, 2021

A scalp massager that combines kneading massage with microcurrent therapy. The massager has a driving mechanism, gear set, circuit board, fixed seat, and massage device. The massage device has a conductive column that abuts the massage assembly. The massage assembly has a flexible conductive component in a groove of the massage head. This allows the massager to knead the scalp while passing microcurrent through the flexible head component to provide microcurrent massage to the scalp.

CN112155972A-patent-drawing

22. Handheld Massager with Motorized Scalp Massage Antenna and Integrated Hand Massage Airbag System

Ningbo Fujue Electronic Technology Co., Ltd., NINGBO FULLJOY ELECTRONIC TECHNOLOGY CO LTD, 2020

Handheld scalp massager that provides both scalp and hand massage. The massager has a housing with a motor, gear transmission, and protruding massage antenna for scalp massage. It also has an air pump, airbag liner, and connected massage airbag on the upper part of the housing for hand massage. The housing is designed for hand extension to reach the massage area.

CN211723925U-patent-drawing

23. Handheld Scalp Massager with Adjustable Pressure and Speed Control and Interchangeable Targeted Attachments

SHENZHEN PANGAO ELECTRONICS CO LTD, Shenzhen Pango Electronics Co., Ltd., 2020

A handheld scalp massager that provides targeted scalp massage therapy through precise control of pressure and speed settings. The device features a ergonomic design with interchangeable attachments for specific scalp areas, allowing users to target specific points for relaxation, stress relief, and hair growth promotion. The massager incorporates advanced technology to deliver precise pressure mapping, ensuring optimal stimulation of nerve endings and capillaries for enhanced cognitive function, improved circulation, and hair growth benefits.

24. Arc-Shaped Head Massager with Curved EMS Massage Heads and Integrated Control Housing

Li Xianghua, XIANGHUA LI, 2020

Compact and portable head massager with multiple EMS (electrical muscle stimulation) massage heads arranged in an arc shape at the bottom of the device. The heads have curved bottoms that match the shape of the head. This allows better contact with the scalp since there are fewer obstructions from hair. The heads are fixed inside the housing using a bracket and perforations in the bottom. The control and battery are housed on top.

25. Scalp Massager with Motor-Driven Transmission System and Protruding Massage Head Assemblies

Shenzhen Breo Technology Co., Ltd., SHENZHEN BREO TECHNOLOGY CO LTD, 2020

A scalp massager that eliminates the size limitations of conventional massagers by employing a novel transmission system. The massager features a body, a motor located inside the body, a transmission unit configured to be driven by the motor, and a plurality of massage head assemblies configured to be driven by the transmission unit and having a lower portion protruding from the body.

26. Portable Scalp Massage Device with Detachable Dual-Head Adjustable Intensity Mechanism

Shenzhen Yumei Gaobiao Electronics Co., Ltd., SHENZHEN YUMEI GAOBIAO ELECTRONICS CO LTD, 2019

Portable scalp massage device with adjustable intensity massage heads to provide customized scalp massage experience. The device has a host with controls and a detachable massager with two massage heads. The massager has a handle, shells, light board with needles, circuit board, and motor. The host has buttons to adjust massage intensity for each head separately. The detachable design allows the massager to be used separately and makes it easy to clean. The device provides targeted scalp massage with adjustable intensity.

CN209734503U-patent-drawing

27. Head Massager with Detachable Hinged Massage Heads and Planetary Gearbox Mechanism

Shenzhen Aishu Intelligent Technology Co., Ltd., SHENZHEN AISHU INTELLIGENT TECHNOLOGY CO LTD, 2019

A head massager with detachable massage heads that avoids scalp damage and hair wrap while providing comfortable and customizable massage. The massager has a hollow body with massage heads attached to hinged covers. The massage heads can be locked and rotated to detach from the massager. Inside, a gearbox with planetary gears drives the massage head rotation. The detachable heads prevent hair entanglement and damage. The gearbox design allows customized massage pressure and speed.

CN209464314U-patent-drawing

28. Helmet-Style Head Massager with Adaptive Shell and Multi-Chamber Configuration

Yu Yongxu, YONGXU YU, 2019

A head massager that provides comprehensive scalp massage through a unique helmet design that adapts to individual head shapes. The massager features a shell with a central massage chamber and two side massage chambers positioned on either side, forming a helmet-like structure that encloses the head. This design enables precise, all-directional scalp massage while accommodating varying head shapes, allowing users to target specific areas of tension and promote optimal relaxation.

29. Scalp and Body Massage Device with Interchangeable Heads and Multi-Mode Vibration Control

FOSHAN SHUNDE BEIJIAO KERUI INDUSTRIAL CO LTD, 佛山市顺德区北滘镇科锐实业有限公司, 2019

Scalp massage device that can be used to massage the scalp and body, with interchangeable massage heads and multiple massage modes. The device has a handle, upper and lower shells, a meridian massage brush, and a scalp massage brush connected below. The upper shell connects to the handle, the lower shell connects to the meridian brush, and the scalp brush attaches to the lower shell. This allows changing massage heads and modes. An internal microcontroller switches between vibration patterns. A vibration plate and elastic arm inside reduce handle vibration.

30. Portable Scalp Massage Device with Real-Time Current-Responsive High-Frequency Power Adjustment

NARIAN CO LTD, 2019

A portable scalp massage device that automatically adjusts its high-frequency power output based on real-time current flow. The device features multiple electrode assemblies with built-in sensors that monitor the current conducted between them, enabling precise control of the treatment intensity. The device's control board continuously measures the current flow through the electrodes, automatically adjusting the high-frequency power output to maintain optimal treatment parameters. This feature enhances treatment efficacy by ensuring consistent energy delivery while minimizing potential side effects.

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31. Head-Mounted Scalp Stimulation Device with Electrically and Magnetically Actuated Pins and Adjustable Air Pressure Band

KIM MYUNG JIN, Kim Myung-jin, 2019

Scalp health massage device that stimulates the scalp to improve blood flow and prevent hair loss. The device is worn like a hat and has a scalp massage unit inside with pins that provide electrical stimulation and magnetic force. An air band around the inner circumference adjusts to fit the wearer's head size. The device has modes to control pin operation and intensity by area. It regulates air pressure in the band to a set level. The massage unit, air circulation, and air pressure regulation are all controlled by an internal controller.

32. Compact Scalp Massager with Integrated High-Performance Massage System and Ergonomic Design

SHENZHEN BREO TECHNOLOGY CO LTD, Shenzhen Breo Technology Co., Ltd., 2019

A compact scalp massager that addresses the limitations of traditional designs by integrating advanced massage technology with a streamlined aesthetic. The massager features a compact, ergonomic design that incorporates a high-performance massage system while maintaining a sleek appearance. This innovative approach enables the creation of a functional and visually appealing massager that can be easily integrated into daily life while maintaining optimal massage performance.

CN208770335U-patent-drawing

33. Scalp Massager with Interchangeable Massage Heads and Multi-Mode Card Slot System

SHENZHEN BREO TECHNOLOGY CO LTD, Shenzhen Breo Technology Co., Ltd., 2019

A scalp massager that provides enhanced massage experience through multiple massage modes. The massager features a card slot that accommodates interchangeable massage heads, allowing users to switch between different massage patterns. The heads include various massage technologies such as vibration, kneading, and scalp rolling, which can be easily inserted into the card slot. This design enables users to select the most suitable massage mode based on their specific needs, providing both comfort and effectiveness.

CN208626154U-patent-drawing

34. Scalp Massager with Rotating Cylindrical Body and Swinging Head Assembly

Shenzhen Breo Technology Co., Ltd., SHENZHEN BREO TECHNOLOGY CO., LTD., 2018

Scalp massager with a rotating massage head assembly that provides improved massage action compared to conventional combs or electric massagers. The massager has a base, rotating massage head assembly, and driving unit. The massage head assembly has a cylindrical body with an inclined end face and a swinging massage head mounted on it. The driving unit rotates the cylindrical body to swing the massage head in any plane passing through the axis. This provides a more versatile massage motion compared to combs or fixed head massagers.

35. Scalp Massager with Multi-Position Comb Head and Variable Angle Gravity Mechanism

GUANGDONG TANJIN ELECTRONIC TECHNOLOGY CO LTD, 2017

Intelligent scalp massager that can massage body multiple position, produces beneficial effect. The massage is done with the comb head mould, and uses multiple angles of gravity to create a massage effect with different strength and weak alternately change.

CN106806103A-patent-drawing

36. Scalp Massager with Pendulum-Based Crankshaft and Rotary Motion Control Mechanism

Fu Danchen, DANCHEN FU, 2016

A lightweight, ergonomic scalp massager that combines gentle vibrations with precise control to stimulate the scalp's nerve endings and promote relaxation. The massager features a unique pendulum-based design that utilizes a motor-driven crankshaft to create a soothing massage motion. The crankshaft's rotational motion is converted into a reciprocating motion by a pendulum swing, which is controlled by a rotary motion mechanism. This precise control system delivers targeted vibrations to the scalp, while the ergonomic design provides comfortable grip and support. The massager's compact size and shock-absorbing housing ensure a comfortable user experience, making it suitable for both therapeutic use and everyday relaxation.

37. Scalp Massager with Four-Axis Motion and Collecting/Dispersing Leg Mechanism

RANKISS, Rankis Co., Ltd., 2016

Scalp massager with four-axis motion to provide a more effective and realistic scalp massage compared to conventional vibrating massagers. The scalp massager has a main body with a collecting/dispersing leg that moves vertically, horizontally, and radially. This multi-axis motion mimics the actions of a human scalp massager for better blood circulation, hair growth promotion, and scalp health benefits. The leg is driven by internal parts and connected to a charging unit. The massager body can have a handle. The leg is made of materials like synthetic resin or urethane.

KR101622919B1-patent-drawing

38. Scalp Massage Device with Oscillating Motion and Rotary-to-Reciprocating Conversion Mechanism

DANCHEN FU, 2016

Lightweight, practical, scratching type scalp massage device with oscillating motion to provide comfortable scalp massage. It uses a lightweight housing, motor, transmission, oscillating assembly, and massage head. The oscillating assembly converts rotary motion from the motor into reciprocating motion of the massage head. The oscillating motion provides a scratching sensation on the scalp. The device can also have features like heating, sensors, robotics, and remote control for customized massage options.

39. Automatic Head Massage Device with Motorized Synchronized Belt and Connecting Rod System

GUO HAI-ZHI, 2016

An automatic head massage device that eliminates the need for manual massage. The device employs a motorized system to synchronize the movement of the massage head and connecting rod, allowing for continuous vibration and massage without human intervention. The device features a motorized belt system with synchronized wheels, a motorized motor, and a synchronized belt track system. The motorized system enables automatic massage through precise timing and synchronization of the massage head and connecting rod movements.

40. Handheld Massage Device with Reciprocating Attachment and Interchangeable Heads

KUMAKAWA KEIICHI, 2016

Scalp and skin massage device that can provide stimulation to both the scalp and face without hand fatigue. The device has a grip that can be held with one hand and has a massage section with an opening at the tip. A sliding mechanism allows a massage attachment to slide back and forth inside the section when activated by a drive motor. This attachment can have different functions like brushing, skin stimulation, and hair growth massage. It allows selecting the appropriate attachment for the scalp, face, neck, and hands. The drive motor provides reciprocating motion to the attachment for massaging. The sliding mechanism coordinates with the motor to move the attachment. The motor can be powered internally or externally.

41. Head Massager with Integrated Deployable Cover and Belt System for Targeted Massage Points

DAITO DENKI KOGYO KK, 2015

A head massager that provides targeted massage therapy by utilizing a compact, lightweight design. The massager features a single, integrated unit with a deployable head cover that houses the massage mechanism. The mechanism comprises a belt system with strategically positioned striking and pressing massage points. The belt system is integrated into the head cover and extends from the front support to the rear, allowing the massager to target both the front and rear of the head. This integrated design eliminates the need for separate outer shell structures and adjustable mechanisms, resulting in a more streamlined and cost-effective solution.

42. Scalp Massager with Rotational and Reciprocating Motion Transmission System

TSUIN BADO KOGYO KK, 2015

Scalp care device that provides a scalp massage-like experience through a novel combination of rotational and reciprocating motion. The device features a motorized scalp massager with a unique transmission system that converts rotational motion into a precise reciprocating motion. The massager's treatment elements are arranged in a plane-symmetrical configuration, with one side rotating in one direction and the other side rotating in the opposite direction. This configuration enables the massager to deliver targeted scalp massage strokes while maintaining a consistent motion profile. The massager's design eliminates the need for conventional flat surfaces and curved surfaces, allowing for a more natural scalp massage experience.

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