Movable Blade Supports with Elastic Protrusions
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Solution Overview
Problem
Existing shaver blade assemblies with spring fingers trap shaving debris, reducing blade lifetime and shaver hygiene, and complicating design and manufacturing processes.
Innovation Solution
The use of movable blade supports with elastic elements, such as protrusions or flexible materials, allows the blade members to pivot relative to the shaver head frame, eliminating the need for separate spring fingers and enhancing rinsability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If spring fingers are used to enable blade movement, then blade assembly movement is achieved, but shaving debris is trapped within the shaver head
Solution Approach 1:
The patent removes the spring finger component entirely from the shaver head design. Instead, it uses the blade support's own elastic properties (through protrusions or flexible portions) to enable blade movement, thereby eliminating the debris-trapping issue caused by spring fingers while maintaining the required blade assembly mobility
Solution Approach 2:
The blade support structure incorporates elastic elements (protrusions or flexible portions) that are integral to the blade support itself, enabling the blade assembly to move relative to the shaver head without requiring separate spring fingers. This self-contained elastic mechanism eliminates debris entrapment while maintaining operational functionality
2Ease of operation
If spring fingers are used to enable blade movement, then blade assembly movement is achieved, but shaver head design complexity increases
Solution Approach 1:
The patent combines the blade support function with the elastic element function into a single integrated component. The blade support includes integral protrusions or flexible portions that provide both structural support and elastic movement capability, eliminating the need for separate spring fingers and simplifying the overall shaver head design
Solution Approach 2:
The patent removes the spring finger component from the shaver head assembly, retaining only the essential blade support structure with integrated elastic elements. This extraction of unnecessary components simplifies the design while maintaining the required blade movement functionality
3Ease of operation
If spring fingers are used to enable blade movement, then blade assembly movement is achieved, but manufacturing time and cost increase
Solution Approach 1:
The patent combines multiple functions (blade support, elastic movement mechanism, and positioning) into a single integrated blade support component with integral protrusions or flexible portions. This reduces the number of parts that need to be manufactured and assembled, thereby reducing manufacturing time and cost while maintaining blade assembly movement capability
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This design simplifies shaver head construction, reduces manufacturing costs, and improves hygiene by preventing debris entrapment, while maintaining effective blade movement during shaving.
Implementation Method 1
the second portion is formed from a first material; and a second material extending along at least a portion of the bottom edge, wherein the second material has a greater elasticity than the first material
Data Source
AI summary
A shaving blade member may include a first portion disposed in a first plane, wherein an end of the first portion includes a tapered cutting edge; a second portion extending from the first portion and disposed in a second plane, the second plane being at an angle with the first plane; wherein the second portion comprises one or more protrusions, the one or more protrusions being movable relative to the second portion.