Polygonal Handle Brush for Tactile Orientation Feedback
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Hair stylists and technicians face challenges in controlling the orientation of brushes during hair coloring and treatment applications, especially when conversing with customers or applying compositions to specific hair areas, due to the lack of a clear haptic feedback mechanism.
Innovation Solution
A brush design featuring a handle with a substantially polygonal cross-section gripping section, which provides improved haptic feedback through its edges and corners, combined with a bulbous portion and convex shape, allowing users to determine the orientation of the brush head without visual inspection, even when wearing gloves.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If a conventional circular handle is used, then the brush structure is simple, but the user cannot clearly determine the orientation of the brush head without visual inspection
Solution Approach 1:
The handle cross-section is designed as a polygon (triangle, square, rectangle, pentagon, hexagon, heptagon, octagon, nonagon, or decagon) instead of a circle, creating asymmetric contact points (edges and corners) that provide tactile orientation feedback to the user, allowing determination of brush head orientation without visual inspection
2Ease of operation
If the hair stylist focuses on the hair being treated, then the visual control of brush orientation is lost, but the treatment quality is maintained
Solution Approach 1:
The polygonal handle cross-section provides haptic feedback through distinct edges and corners that the user can feel, giving tactile information about the brush head orientation without requiring visual inspection, thereby maintaining ease of operation even when the user's attention is focused on the hair treatment
3Measurement precision
If a polygonal cross-section handle is used, then haptic feedback and orientation control are improved, but the manufacturing complexity increases
Solution Approach 1:
The handle is designed with a polygonal cross-section that can be manufactured as a segmented or molded structure, where the polygonal shape is integrated into the handle body, allowing for precise orientation determination while maintaining reasonable manufacturing feasibility through standard molding or machining processes
Data Source
Figure 1
Figure 2~4e
Figure 5~7
AI summary
The present invention pertains to a brush (1), in particular for the application of colours, dyes or any other composition onto a surface, in particular onto hair. The brush includes a handle (2) for the brush to be held by a user and a brush head (3) including bristles (32) for the application of colours, dyes or other composition onto the surface, the brush head being connected to the handle. The handle (2) includes at least one gripping section (20) showing a substantially polygonal cross-section.