Razor Handle Plunger Indicator for Cartridge Pivot Alignment
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Solution Overview
Problem
Existing razor handles and cartridges often become misaligned, leading to unstable pivoting and inefficient hair cutting or potential injury, as users may not easily recognize the misalignment.
Innovation Solution
A razor handle with a plunger that provides a restoring force to elastically support the razor cartridge and includes indicators on its outer surface to indicate the mounting and pivoting states, ensuring proper alignment and coupling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the razor cartridge is pivotally coupled to the razor handle to make contact with curvy skin contours, then the razor can adapt to skin shape, but the coupling may become misaligned and unstable
Solution Approach 1:
The indicator provides visual feedback about the coupling state between the razor cartridge and handle. When the cartridge is properly aligned and coupled, the indicator shows a specific position or state, allowing the user to verify correct attachment before use, thus preventing unstable pivoting
2Ease of operation
If the razor handle and razor cartridge are misaligned and imperfectly coupled, then the razor cartridge may be easily separated or unstably pivoted, but the user may not recognize the misalignment state
Solution Approach 1:
The indicator likely uses color changes or visual differentiation to show whether the razor cartridge is properly coupled to the handle. Different colors or visual states indicate aligned versus misaligned coupling, making it easy for users to recognize the coupling state at a glance
3Ease of operation
If indicators are added to the plunger to indicate mounting and pivoting states, then the coupling state becomes easily recognizable, but the device complexity increases
Solution Approach 1:
The indicator serves multiple functions: it indicates both the mounting state (whether the cartridge is attached) and the pivoting state (whether the cartridge is aligned). This multi-functionality reduces the need for separate indicators for each state, minimizing the increase in device complexity
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
Facilitates easy recognition of correct alignment and coupling, preventing misalignment issues and enhancing shaving efficiency and safety.
Implementation Method 1
a plunger that provides a restoring force to elastically support the razor cartridge and restore the razor cartridge to a neutral position
Data Source
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AI summary
A razor handle, according to an embodiment of the present invention, is a razor handle coupled to a razor cartridge and comprises a head part coupled to the razor cartridge and a grip part extending from the head part, wherein the head part comprises a plunger which elastically supports the razor cartridge and provides a restoring force to restore the razor cartridge to a neutral position, and the outer surface of the plunger has an indicator for indicating at least one of the mounting status and pivot status of the razor cartridge.