Shaving Razor Skin Interconnect Member Pivot Mechanism
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Solution Overview
Problem
Current razor cartridge designs are costly and complex to manufacture due to the need for separate molds and production equipment for each configuration, and they lack a standard blade unit that can be easily and intuitively attached to handles while providing pivotal functionality.
Innovation Solution
A razor system with a standard blade unit that includes a housing with a front blade and a handle featuring a skin interconnect member with pivot mechanisms allowing rotation about multiple axes, enabling quick and safe attachment to handles while reducing manufacturing complexity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If separate molds and production equipment are used for each razor cartridge configuration, then various consumer demands can be met, but manufacturing cost and complexity increase
Solution Approach 1:
The patent implements a universal handle design with integrated pivot mechanisms and skin benefit features that can accommodate multiple razor cartridge configurations. The handle serves multiple functions: providing structural support, enabling pivotal motion, and delivering skin benefits through the skin interconnect member. This universality allows the same handle to work with different cartridge designs, reducing the need for separate production equipment for each configuration.
Solution Approach 2:
The patent segments the razor system into modular components: a standardized handle unit and interchangeable razor cartridges. The handle contains the complex pivot mechanisms and skin benefit features, while cartridges remain simpler cutting units. This segmentation allows independent manufacturing of each module, reducing overall manufacturing complexity and enabling standardized production processes.
2Ease of operation
If pivot functionality is disposed on the razor cartridge, then the blade can follow skin surface contours, but the manufacturing cost and complexity increase
Solution Approach 1:
Instead of placing the pivot mechanism on the razor cartridge as in conventional designs, the patent inverts the approach by locating the pivot mechanisms on the handle. The handle becomes the active component providing rotational motion, while the cartridge is passively positioned. This inversion simplifies cartridge design and allows the handle to be the standardized component.
Solution Approach 2:
The patent merges the pivot functionality with the skin interconnect member, combining multiple functions into a single integrated component. The skin interconnect member provides both the interface for skin contact and the mechanism for pivotal motion, eliminating the need for separate pivot mechanisms and reducing overall device complexity.
3Ease of manufacture
If a standard blade unit is used with various handle configurations, then production costs are reduced, but the attachment mechanism must be simple and intuitive
Solution Approach 1:
The razor cartridge is designed with self-aligning features that automatically position the cartridge correctly on the handle during attachment. The cartridge housing includes guide surfaces and engagement features that self-align with corresponding features on the handle, eliminating the need for complex alignment procedures or user intervention. This self-service mechanism ensures intuitive attachment while maintaining standardized production processes.
Data Source
AI summary
The invention is directed toward a shaving razor system. The razor system has a handle and a razor cartridge. The handle has at least one skin interconnect member in pivotal relation to a proximal end portion of the handle. The razor cartridge has a housing, at least one blade, and at least one opening which extends through the housing. The razor cartridge is engaged with the skin interconnect member when the skin interconnect member is disposed within the opening securing the razor cartridge to the proximal end portion of the handle. The razor cartridge is in a pivotal relation with the handle, but not with the skin interconnect member. A pivot point of the razor system is desirably disposed near the front blade of the cartridge. Axes of movement in the razor system can be provided by different physical order of connections of razor components.