Rotating Shaving Aid Support for Extended Lubrication
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Solution Overview
Problem
Shaving blade assemblies with rotating shaving aids often deplete lubricating materials before the razor blades dull, leading to inadequate skin lubrication and reduced durability.
Innovation Solution
A rotatable shaving aid support with lubricating elements attached to the housing, allowing for customizable lubrication by rotating the support to extend the lubricating capacity and align lubricating elements symmetrically with the blades for enhanced skin lubrication and durability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of moving object
If a rotating shaving aid support with lubricating elements is used, then the lubricating capacity is extended and useful life is increased, but the device complexity increases due to the rotatable mechanism and multiple lubricating elements
Solution Approach 1:
The shaving aid support is segmented into multiple independent lubricating elements (first lubricating element on first face, second lubricating element on second face) that can be independently used. This segmentation allows the system to extend useful life by rotating between multiple elements rather than depleting a single element, directly resolving the contradiction between extended duration and device complexity.
Solution Approach 2:
The shaving aid support is designed to be rotatable about the longitudinal axis, transforming a static lubricating structure into a dynamic one. This dynamic capability allows users to rotate the support to access different lubricating elements, extending the useful life of the assembly while maintaining relatively simple mechanical implementation through a rotatable mounting mechanism.
2Adaptability or versatility
If multiple lubricating elements are provided on the shaving aid support, then customizable lubrication options are available and skin lubrication is enhanced, but the manufacturing complexity and cost increase
Solution Approach 1:
The shaving aid support is divided into multiple faces (first face and second face opposite each other) with separate lubricating elements on each face. This segmentation enables different lubricating formulations to be applied to different faces, providing users with customizable lubrication options for different skin types or shaving preferences, while maintaining relatively simple manufacturing through modular element design.
Solution Approach 2:
The shaving aid support structure serves multiple functions: it holds multiple different lubricating elements, provides rotation capability for selecting between elements, and maintains symmetric alignment with the blade assembly. This multi-functionality achieves adaptability and versatility without proportionally increasing manufacturing complexity, as the same structural framework supports all functions.
3Reliability
If the shaving aid support is symmetrically aligned with the blades, then consistent skin lubrication is achieved throughout the useful life, but the alignment precision requirements increase
Solution Approach 1:
While the overall design seeks symmetric alignment, the solution acknowledges that perfect symmetry is not required. The first and second lubricating elements are positioned on opposite faces of the support, and the support rotates about the longitudinal axis. This approach provides sufficient alignment precision for consistent lubrication without requiring extremely tight manufacturing tolerances, as the rotational mechanism allows for practical alignment within acceptable ranges.
Data Source
Figure 1A~1D
Figure 1E~1G
Figure 2A~2C
AI summary
The present disclosure is related to shaving blade assemblies (100) comprising a housing (20) having at least one cavity (22); a shaving aid support (40) having one or more lubricating elements (50a, 50b) thereon, the shaving aid support being rotatably attached to the housing about a center axis, wherein at least a shaft portion (42) of the shaving aid support is disposed in the at least one cavity of the housing.