Razor Interconnecting Mechanism for Handle Replacement
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Solution Overview
Problem
Conventional razor designs do not allow for easy replacement of the razor handle, leading to wastefulness and a lack of flexibility to accommodate different razor handle designs and materials.
Innovation Solution
An interconnecting mechanism comprising a sleeve with a flange and opening at the proximal end and a coupling portion off-centered at the distal end, paired with an adaptor having a stem with a key element and main body off-centered relative to the key element, allowing for secure connection and easy detachment of the razor handle.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional razor designs are used, then the structure is simple and easy to manufacture, but the razor handle cannot be easily replaced leading to waste and lack of flexibility
Solution Approach 1:
The razor system is divided into separable components: the razor handle, the adaptor, and the blade assembly. The interconnecting mechanism uses a sleeve with opening and coupling portion that can be detached from the adaptor stem, allowing individual replacement of components rather than the entire razor handle assembly.
Solution Approach 2:
The adaptor stem is inserted into the sleeve opening, and the coupling portion is received within the sleeve structure. The blade assembly is then attached to the adaptor, creating a nested arrangement where components fit within each other while maintaining separability for replacement.
2Adaptability or versatility
If the adaptor and razor handle are made from different materials, then customization options increase, but waste becomes difficult to recycle
Solution Approach 1:
By separating the razor handle, adaptor, and blade assembly into distinct replaceable components, each component can be made from optimal materials for its function. The adaptor serves as a standardized interface that can work with different handle materials (metal, plastic, wood) while maintaining the ability to recycle each component type separately.
Solution Approach 2:
The design enables selective replacement of only the worn or damaged component (blade assembly or handle) while retaining the adaptor and other functional components. This reduces overall waste by allowing recovery and continued use of durable components across multiple adaptor-handle combinations.
3Reliability
If the blades become dull, then the cutting performance decreases, but the entire razor handle must be replaced in conventional designs
Solution Approach 1:
The blade assembly is separated as an independent replaceable component attached to the adaptor. When blades become dull, only the blade assembly needs to be replaced by detaching it from the adaptor, rather than replacing the entire razor handle assembly. This maintains cutting performance while minimizing waste.
Solution Approach 2:
The design allows recovery and continued use of the adaptor and razor handle components after blade replacement. The durable adaptor and handle can serve multiple blade assemblies over time, reducing the frequency of material consumption and waste generation associated with complete razor replacement.
4Ease of operation
If an interconnecting mechanism is added to enable easy replacement, then flexibility and customization improve, but the device complexity increases
Solution Approach 1:
The interconnecting mechanism is segmented into distinct functional elements: the sleeve with opening and coupling portion, and the adaptor stem with key element. This segmentation allows each element to perform a specific function (alignment, connection, locking) while keeping the overall mechanism relatively simple and manageable.
Solution Approach 2:
The coupling portion is positioned off-centered relative to the sleeve opening central axis, and the main body of the stem is off-centered relative to the key element central axis. This asymmetric design provides natural alignment and positioning features that simplify the connection process while ensuring proper orientation during assembly.
Data Source
Figure 1
Figure 2A~2B
Figure 3A~3B
AI summary
An interconnecting mechanism for engaging an adaptor to a razor handle comprising a sleeve extending between a distal end and a proximal end, wherein the proximal end of the sleeve comprises a flange and an opening and wherein the distal end of the sleeve comprises a coupling portion, that is off-centered relative to the central horizontal axis of the sleeve opening, wherein the sleeve is configured to be coupled with a razor handle engaging portion and an adaptor comprising a stem extending between a distal end and a proximal end.