Shaving Razor Trimming Blade Alignment Member
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Shaving razors with multiple blades, while improving efficiency, often hinder precise trimming due to the hidden location of the trimming blade, making it difficult for users to accurately position it on the skin, resulting in an unsatisfactory shaving experience.
Innovation Solution
A shaving razor equipped with a trimming blade alignment member on the housing that indicates the angle and position of the trimming blade relative to the skin, utilizing skin contact surfaces and a linear marking that intersects the blade edge, allowing users to accurately align and position the blade during shaving.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple blades are used on the razor cartridge, then shaving efficiency is improved, but the ability to trim hair in hard-to-reach areas (sideburns, near nose) deteriorates
Solution Approach 1:
The razor system is divided into two functional segments: a primary group of blades for general shaving and a separate trimming blade for precision work in hard-to-reach areas. This segmentation allows each blade group to be optimized for its specific function while maintaining overall system effectiveness.
Solution Approach 2:
The razor cartridge is designed to perform multiple functions by incorporating both primary shaving blades and a trimming blade within a single cartridge assembly. This multi-functionality enables the user to switch between general shaving and precision trimming without changing razors.
2Adaptability or versatility
If a trimming blade is added to the rear of the razor cartridge, then the ability to trim is improved, but the user's ability to locate and accurately position the trimming blade deteriorates
Solution Approach 1:
An alignment member is introduced as an intermediary element between the user and the trimming blade. This alignment member provides visual guidance and positioning assistance, enabling the user to accurately locate and position the hidden trimming blade on the skin without directly seeing the blade itself.
Solution Approach 2:
The alignment member incorporates visual indicators (such as colored markings or contrasting colors) that change or stand out against the housing background, making it easily visible to the user for accurate alignment of the trimming blade during operation.
3Device complexity
If the trimming blade is hidden from view during operation, then device complexity is reduced, but measurement precision of blade position on skin deteriorates
Solution Approach 1:
The alignment member serves as a mediator that translates the hidden blade position into visible alignment guidance. It provides reference markings that enable precise positioning of the trimming blade without requiring the blade itself to be visible, thus maintaining device simplicity while improving positioning accuracy.
Data Source
AI summary
A shaving razor (10) having a housing (12). The housing includes a plurality of shaving blades (17) and a separate trimming blade (19). The trimming blade has a trimming blade edge (20). A trimming blade alignment member (60) is provided on the housing for aligning the trimming blade edge which is visually concealed by said housing on a user's skin for accurate shaving.