Flexible Handle for Makeup Applicator with Twisting Inhibition
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional mascara applicators require coordinated whole-arm motions for application, which are difficult to perform with precision, especially for elderly persons or those with joint issues, necessitating multiple brush passes.
Innovation Solution
A flexible handle for makeup applicators, composed of semi-rigid and flexible materials, that inhibits twisting while bending, allowing for finer control through wrist gestures and finger motions, enabling a sweeping motion with the applicator.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a conventional rigid handle is used, then the applicator is easy to manufacture and maintain, but it requires coordinated whole-arm motions that are difficult to perform with precision
Solution Approach 1:
The handle's physical parameter of flexibility is changed by using a flexible material, allowing it to bend and twist in response to user input. This enables wrist and finger motions to be translated into precise applicator movements, improving precision without sacrificing ease of operation.
Solution Approach 2:
The handle is made from a composite material that combines flexibility with sufficient structural integrity. This composite material allows the handle to be manipulated easily while maintaining control over the applicator head, resolving the contradiction between precision and ease of operation.
2Measurement precision
If a flexible handle is used, then finer control through wrist gestures is enabled, but the handle structure becomes more complex
Solution Approach 1:
Instead of adding complex mechanical mechanisms, the solution changes the material parameter of the handle to be flexible. This simple parameter change enables wrist gesture control without requiring complex internal structures, mechanisms, or components.
Solution Approach 2:
The patent replaces a potentially complex mechanical system with a simpler flexible material-based solution. The flexibility is achieved through material selection rather than through mechanical linkages, joints, or actuation mechanisms, thereby reducing overall device complexity.
3Ease of operation
If the handle is made entirely flexible, then ease of manipulation is improved, but control over twisting motions increases which may reduce precision
Solution Approach 1:
The flexibility parameter of the handle is adjusted to an optimal level that allows easy manipulation while maintaining sufficient resistance to unwanted twisting. This balanced flexibility enables wrist gestures to control the applicator without excessive twisting that would reduce precision.
Solution Approach 2:
The composite material provides a balance between flexibility for easy manipulation and structural integrity to prevent excessive twisting. The material properties are selected to achieve the right combination of softness for comfort and stiffness for control, resolving the contradiction between ease of manipulation and precision.
Data Source
AI summary
A flexible handle for makeup applicator, in particular a mascara applicator enables a sweeping motion of a mascara brush with just a gesture from the fingertips. An apparatus for applying mascara to eyelashes includes a stem having a longitudinal stem axis with a first end and a second end, an applicator head coupled to the second end of the stem, a flexible handle coupled to the first end of the stem. The flexible handle includes a first part made of a semi-rigid material and a second part made of a flexible material. The flexible handle is of a structure that inhibits twisting while being bent in either of two directions.