Flexible Razor Handle Pod for Multi-Axis Skin Contouring
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Solution Overview
Problem
Current shaving razors with multiple axes of rotation are complex, costly, and prone to durability issues due to increased complexity and tight tolerances, limiting their ability to maintain close contact with skin contours during shaving.
Innovation Solution
A handle design featuring a flexible pod that rotates about an axis perpendicular to the frame, with a cantilever tail and projections/apertures for secure engagement, allowing for multiple axes of rotation while simplifying manufacturing and assembly, and providing a return torque mechanism for precise control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple axes of rotation are added to the razor, then the ability to follow skin contours is improved, but the device complexity and manufacturing cost increase
Solution Approach 1:
The patent combines multiple rotation axes into a single integrated razor head structure. The first axis allows rotation about an axis substantially perpendicular to the handle, while the second axis enables rotation about an axis substantially parallel to the handle. Both rotational capabilities are merged into one unified head assembly rather than using separate mechanisms, thereby achieving multi-axis adaptability without proportionally increasing device complexity
Solution Approach 2:
The razor head is designed with universal multi-functionality by incorporating both first and second axes of rotation within a single structure. This allows the razor to perform multiple functions: rotating perpendicular to the handle for general contour following, and rotating parallel to the handle for specific area adaptation, thereby maximizing adaptability without requiring multiple separate devices or mechanisms
2Adaptability or versatility
If multiple axes of rotation are added to the razor, then the ability to follow skin contours is improved, but the manufacturing cost increases
Solution Approach 1:
By merging multiple rotation capabilities into a single integrated head assembly, the patent reduces the total number of parts that need to be manufactured and assembled. This consolidation approach lowers manufacturing costs while maintaining the ability to rotate about both the first axis (perpendicular to handle) and second axis (parallel to handle), achieving cost-effective multi-axis functionality
3Adaptability or versatility
If multiple axes of rotation are added to the razor, then the ability to follow skin contours is improved, but the durability decreases
Solution Approach 1:
The integrated head assembly merges multiple rotation mechanisms into a single robust structure, reducing the number of separate moving parts that could fail. By combining the first axis rotation (perpendicular to handle) and second axis rotation (parallel to handle) into one unified assembly, the patent improves durability while maintaining multi-axis adaptability for following skin contours
4Adaptability or versatility
If multiple axes of rotation are added to the razor, then the ability to follow skin contours is improved, but the assembly complexity increases
Solution Approach 1:
The patent simplifies assembly by merging the blade cartridge, guard, and both rotation mechanisms into a single integrated head assembly that attaches to the handle as one unit. This approach allows the first axis rotation (perpendicular to handle) and second axis rotation (parallel to handle) to be assembled together in one operation, reducing assembly complexity while maintaining full multi-axis functionality
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 handle design enables a razor to maintain close contact with skin contours, reducing manufacturing and assembly complexities, and enhancing durability and precision, while being cost-effective and easier to produce.
Implementation Method 1
The flexible pod is compressible and decompressible to engage the first mounting member of the flexible pod with the second mounting member of the frame
Implementation Method 2
The flexible pod is operably coupled to the frame such that the flexible pod is configured to rotate about an axis substantially perpendicular to the frame
Implementation Method 3
The flexible pod can further comprise a cantilever tail extending from the base such that a distal end of the cantilever tail can be loosely retained by the frame
Data Source
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AI summary
A handle (20) for a shaving razor (10), the handle comprising a frame (22) and a flexible pod (50) coupled to the frame. The flexible pod comprises a base (62) with a first mounting member (64). The first mounting member corresponds in shape and mates with a second mounting member (76) of the frame. The flexible pod is compressible and de - compressible to engage the first mounting member of the flexible pod with the second mounting member of the frame.