Razor Spacer for Consistent 5 O'Clock Shadow
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Solution Overview
Problem
Maintaining a consistent '5 o'clock shadow' appearance is time-consuming and lacks a low-cost, effective manual solution, as existing razors either require growing a beard or using costly electric trimmers that can cause bald spots.
Innovation Solution
A razor blade assembly with adjustable spacers that can be permanently or removably attached to create and maintain a '5 o'clock shadow' appearance by spacing the blade from the skin, offering various thickness options from 0.1 mm to 0.4 mm, allowing for a consistent and groomed look without frequent shaving.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed blade razor is used to achieve a clean shave, then a close shave is obtained, but the blade cannot create a 5 o'clock shadow appearance
Solution Approach 1:
The razor blade assembly is segmented into a handle, a head, and a replaceable blade unit. The blade unit can be independently replaced or adjusted, allowing different blade depths to be used with the same handle. This segmentation enables versatility without requiring complex adjustments to the entire razor structure.
Solution Approach 2:
The blade depth is made dynamic and adjustable through the use of replaceable blades with different thicknesses or configurations. Users can change blades to achieve different shave depths, transforming a static fixed-blade razor into a dynamic system that adapts to different grooming needs.
2Adaptability or versatility
If electric trimmers are used to create a 5 o'clock shadow appearance, then the desired hair length can be achieved, but the device is costly and may create bald spots
Solution Approach 1:
The invention uses disposable or replaceable manual razor blades as a low-cost alternative to expensive electric trimmers. These blades can be easily replaced when dull, providing a cost-effective solution that maintains skin health without creating bald spots.
Solution Approach 2:
The patent introduces a spacer or guide structure as an intermediary between the blade and the skin. This intermediary maintains an optimal distance between the blade edge and the skin surface, preventing direct contact that could cause irritation or bald spots while still achieving the desired 5 o'clock shadow effect.
3Adaptability or versatility
If manual razors are used without blade depth adjustment, then the structure is simple and low cost, but the blade cannot maintain consistent 5 o'clock shadow appearance
Solution Approach 1:
The blade depth and orientation are pre-configured during blade manufacturing. Blades are designed with specific thicknesses, edge angles, and mounting configurations that automatically provide the optimal blade-to-skin distance for creating a 5 o'clock shadow, eliminating the need for user adjustment while ensuring consistent results.
Solution Approach 2:
The razor blade assembly is designed to self-regulate the blade depth through its structural design. The blade mounting mechanism and spacer configuration automatically maintain the correct distance between the blade edge and skin surface during shaving, providing consistent hair length maintenance without requiring active user control.
Data Source
AI summary
A razor blade assembly has a handle, a head having a cutting blade assembly of one or more cutting blades connected to the handle; and a spacer which is mounted to or is formed as part of the head to space the cutting edges of the blades from the skin of a user to create and maintain a 5 o'clock shadow appearance beard in the range of 0.1 mm to 0.4 mm in thickness.