Motorized Roller Hair Styling Device Automation

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Solution Overview

Problem

Existing hair straightening devices require manual effort and variation in user technique, leading to inconsistent and laborious results, lacking in automation and ergonomic design for comfortable and reliable hair straightening.

Innovation Solution

A portable, automatic hair straightening device with a motorized roller and clamping mechanism that reduces user intervention, featuring a motorized roller for automated hair movement and a clamping system with heating elements for efficient straightening, allowing for consistent results with minimal user effort.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If manual operation is used to move the straightening iron along the hair strand, then the device structure remains simple, but the user effort increases and results become inconsistent

Engineering Contradiction:
Improveuser effortVSAvoiddevice structure
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent replaces the manual mechanical operation of moving the straightening iron with an automated motorized roller system. The motorized roller rotates to advance the hair strand through the heating plates, eliminating the need for manual manipulation while maintaining a relatively compact device structure.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The device performs the hair straightening process automatically once the hair is inserted between the heating plates. The motorized roller self-advances the hair strand through the treatment zone without requiring continuous user intervention, allowing the device to service itself during the operation.

Inventive Principle:
Principle #25Self-service

2Reliability

If manual pressure is applied by the user, then the device construction remains simple, but the shaping result varies between users and even between strands for the same user

Engineering Contradiction:
Improveshaping result consistencyVSAvoiddevice construction
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent replaces variable manual pressure application with a consistent automated clamping mechanism. The clamping device applies uniform pressure between the heating plates through a motorized or spring-loaded system, ensuring identical pressure is applied regardless of user strength or technique variations.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The device incorporates a control system that monitors and regulates the clamping force and heating temperature to maintain consistent operating parameters throughout the straightening process, ensuring reliable and repeatable results.

Inventive Principle:
Principle #23Feedback

3Productivity

If the device treats hair over the entire length, then the styling effectiveness improves, but the device size and bulkiness increase

Engineering Contradiction:
Improvehair length treatedVSAvoiddevice bulkiness
Core Design Contradiction:
ProductivityVSVolume of moving object

Solution Approach 1:

The patent divides the hair treatment process into discrete segments handled by compact functional modules. The motorized roller and clamping device are positioned to treat hair in sequential sections as it advances through the device, allowing comprehensive treatment without requiring the entire device to be oversized.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent employs a nested arrangement where the motorized roller, clamping device, and heating elements are integrated in a compact, space-efficient configuration. Components are arranged concentrically or in overlapping zones to maximize functionality within minimal volume.

Inventive Principle:
Principle #7Nested doll (Nesting)

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 device enables efficient, consistent, and comfortable hair straightening with reduced manual effort, ensuring reliable results and ergonomic design for easy use, maximizing hair length treated while minimizing device bulkiness.

Implementation Method 1

at least one motorized roller mounted to rotate relative to the main body to set in motion by friction a lock of hair to be styled relative to the main body

Methodology Applied
Scientific EffectFriction: Friction

Implementation Method 2

a heating element arranged relative to the motorized roller to heat the lock of hair

Methodology Applied
Scientific EffectHeating: Heating

Data Source

PatentEP3731692B1Automatic hair-styling apparatus
Publication Date: 2024.04.03 SEB SA
  • EP3731692B1 patent drawingFigure 1~2
  • EP3731692B1 patent drawingFigure 3~4
  • EP3731692B1 patent drawingFigure 5~6

AI summary

- The invention concerns a hair-styling apparatus (1) designed so as to be gripped and handled by hand and comprising a main body (2) that carries at least one motorised roller (3) mounted so as to be able to rotate relative to the main body in order to cause a lock of hair (C) to be styled to move by friction relative to the main body (2), said hair-styling apparatus (1) being characterised in that said main body (2) also carries guide means (5) for guiding said lock of hair (C) arranged relative to said motorised roller (3) to keep said lock of hair (C) pressed against said motorised roller (3) according to an angular contact sector (α) of at least 30°.