Rotatable Flexible Member Epilation Device
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Solution Overview
Problem
Existing hair removal methods, such as wax-based preparations and epilators, are either ineffective, painful, or lack precision, especially when removing hair from difficult-to-reach areas like under the eyebrows.
Innovation Solution
A powered epilation device with a rotatable flexible member held under tension, featuring a slider mechanism and rotational elements to maintain a consistent angle and minimize deviation, allowing for precise hair removal from hard-to-reach areas.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a fixed thread portion is used in threading devices, then the device structure is simple, but the fixed thread portion is pulled away from its initial position which compromises precise hair removal
Solution Approach 1:
The patent replaces the fixed thread portion with a rotatable flexible member that can dynamically adjust its position. The flexible member is held under tension and can rotate to coil and uncoil, allowing it to return to its initial position after use, thereby maintaining precision without requiring a fixed structure.
Solution Approach 2:
The patent changes the physical state of the thread portion from fixed to flexible and rotatable. The flexible member can change its configuration through rotation, coiling, and uncoiling, while maintaining tension to ensure it returns to its initial position, thus resolving the contradiction between structural simplicity and precision.
2Manufacturing precision
If two threads are manually twisted and placed along a row of unwanted hair, then precise hair removal is achieved, but the device becomes large and unwieldy which obstructs a user when removing hair from difficult to reach areas
Solution Approach 1:
The patent employs a rotatable flexible member that can be dynamically adjusted through rotation. This allows the threading device to be compact and flexible, enabling users to access difficult-to-reach areas while maintaining the precision of traditional threading methods.
Solution Approach 2:
The patent divides the threading mechanism into separable components including the rotatable flexible member, slider mechanism, and tension control system. This segmentation allows the device to be more compact and easier to maneuver in difficult-to-reach areas while maintaining threading precision.
3Manufacturing precision
If the rotatable flexible member is held under greater tension in the first portion, then the coiled member deviates minimally from the initial position for precise hair removal, but the device requires a complex tension control mechanism
Solution Approach 1:
The patent uses variable tension through the rotatable flexible member's coiling and uncoiling action. The tension is not uniform but changes dynamically as the member rotates, allowing the first portion to be held under greater tension for precision while using a relatively simple tension control mechanism.
Solution Approach 2:
The rotatable flexible member itself generates the tension variation through its rotation and coiling/uncoiling action. The member's own movement creates the tension differential between its portions, reducing the need for complex external tension control mechanisms while maintaining precision.
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
Enables precise and effective hair removal from challenging areas by maintaining a consistent angle and minimizing deviation of the rotatable flexible member, enhancing user precision and comfort.
Implementation Method 1
When the rotatable flexible member rotates, first and second portions of the rotatable flexible member coil and uncoil relative to the direction of rotation along the first portion of the rotatable flexible member and tension in the rotatable flexible member varies
Implementation Method 2
The slider moves to adjust for the varying tension in the rotatable flexible member portions, thereby guiding the second portion of the rotatable flexible member to maintain a consistent angle relative to the first portion of the rotatable flexible member
Data Source
AI summary
A hand-held epilation device for removal of unwanted hair by a user which includes a body portion, arm, slider mechanism, and a rotatable flexible member. The slider mechanism is held under tension. The rotatable flexible member is held under tension and rotates which coils and uncoils two portions of the rotatable flexible member to grasp and remove unwanted hairs. The slider mechanism moves along the arm to maintain a consistent angle between two portions of the rotatable flexible member allowing one portion of the rotatable flexible member to act as an aid to help the user target removal of unwanted hair and permitting more precise hair removal.