Electric Shaver Head With Independently Movable Razors
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Solution Overview
Problem
Existing electric shavers lack the ability to effectively adapt to contoured surfaces due to fixed razor configurations, leading to incomplete hair removal.
Innovation Solution
The electric shaver features a shaver head with independently movable razors, enabled by a frame and lever arm mechanism, allowing each razor to move independently within a single housing, facilitating better coverage on contoured surfaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If razors are fixed in position within the shaver head, then the device structure is simple and reliable, but the shaver cannot adapt to contoured surfaces effectively
Solution Approach 1:
The patent applies the dynamics principle by making the razors movable rather than fixed. Each razor is mounted on a pivot point and can be depressed independently by a spring-loaded mechanism, allowing the razors to dynamically adjust their positions to conform to contoured surfaces while maintaining a relatively simple overall device structure
2Productivity
If multiple razors are used to cover larger area, then shaving coverage is improved, but the device complexity and difficulty of maintaining alignment increases
Solution Approach 1:
The patent applies segmentation by dividing the shaving function into multiple independent razors that can operate simultaneously. Each razor is a separate, independently movable unit mounted on its own pivot point with its own spring mechanism, allowing them to work together to cover a larger area while maintaining individual simplicity that reduces overall alignment complexity
Solution Approach 2:
The dynamic mounting of each razor on independent pivot points allows them to self-align as they move, reducing the need for complex pre-alignment mechanisms while maintaining effective shaving coverage across multiple razors
Data Source
AI summary
An electric shaver comprising a shaver handle comprising a shaver handle connection portion and a shaver head. The shaver head has a shaver head connection portion configured to rotationally couple to the shaver handle connection portion, a shaver head body, and a plurality of razors rotationally coupled to the shaver head connection portion. The shaver handle connection portion is configured to rotate the shaver head connection portion, which in turn, is configured to rotate the plurality of razors. The plurality of razors are configured to rotate simultaneously in unison and are configured to move independently with respect to the shaver head body in a direction toward and away from the shaver head body.