Razor Handle Segmented Elastic Rear Portion
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Solution Overview
Problem
Traditional razor handles with flexible features lack precision in shaving due to reduced flexibility range, leading to an inefficient and uncomfortable shaving experience.
Innovation Solution
A razor handle design with a rear portion made of a more elastic material than the front portion, allowing movement along a transverse axis, which enhances user grip and reduces overall length for improved handling and ergonomics, while preventing excessive movement that could compromise shaving performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the razor handle includes a flexible feature that allows movement from top to bottom, then the shaving experience is improved, but the precision of the shave decreases
Solution Approach 1:
The handle body is divided into two distinct portions: a front portion made of rigid material and a rear portion made of elastic material. This segmentation allows the front portion to maintain precision for shaving while the rear portion provides flexibility for comfort, resolving the contradiction between precision and ease of operation.
Solution Approach 2:
Different portions of the handle body are assigned different material properties: the front portion uses rigid material for precision control, while the rear portion uses elastic material for flexibility and comfort. This local differentiation of material qualities allows each region to optimize its function without compromising the other.
2Ease of operation
If the rear portion is made of more elastic material to improve flexibility, then the shaving comfort is enhanced, but the overall length of the razor handle increases
Solution Approach 1:
The elastic rear portion can change its effective length parameter dynamically - it may be extended or retracted based on usage conditions. This parameter change allows the handle to provide flexibility for comfort when needed while maintaining a compact overall length for ergonomic handling.
3Adaptability or versatility
If the rear portion is made of more elastic material, then the degree of freedom is increased, but the stability of the handle decreases
Solution Approach 1:
The handle is segmented into a rigid front portion that provides structural stability and a separate elastic rear portion that provides adaptability. This segmentation ensures that the stable front portion maintains the handle's overall composition stability while the elastic rear portion independently provides the needed degree of freedom.
Solution Approach 2:
The handle body is constructed as a composite structure combining rigid material in the front portion and elastic material in the rear portion. This composite construction allows the rigid portion to provide stability while the elastic portion provides adaptability, resolving the contradiction between stability and degree of freedom.
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 design improves shaving precision and comfort by allowing adjustable flexibility, ensuring consistent contact between the razor head and skin, suitable for various hand sizes, and enhancing the overall shaving experience.
Implementation Method 1
The rear portion of the handle body may be formed from a second material, the second material being different from the first material. For example, the second material may be more elastic than the first material whereby the rear portion of the handle body is movable with respect to the front portion.
Data Source
AI summary
A razor handle includes a handle body extending in a longitudinal direction. The handle body includes a first material having a front portion and a rear portion. The razor handle further includes a connecting portion for connection to a razor cartridge. The connecting portion extends from the front portion of the handle body. The handle body includes a supporting element which contributes to a relative movement between the front portion and the rear portion of the handle body.