Pivoting Razor Handle with Segmented Arms and Spring
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Solution Overview
Problem
Current shaving razors with pivoting axes struggle to provide a close and comfortable shave while effectively delivering skin benefits like fluid or heat, as they require a balance between effective blade pivoting and compact, durable design, and existing solutions are complex, costly, and difficult to manufacture and assemble.
Innovation Solution
A handle design featuring a main body with a pivoting head that includes a trapezoidal prism-shaped structure, coupled with arms and a spring mechanism, allowing for fluid or heat delivery through a benefit pivot connection, enabling precise pivoting and skin contact while being simpler, cost-effective, and easier to manufacture and assemble.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a pivoting axis is provided for blade pivoting motion, then the razor can provide a close shave with good skin contact, but the structure becomes complex and difficult to manufacture
Solution Approach 1:
The razor handle is divided into distinct segments: a main body portion and a pivoting head portion connected by a pivot mechanism. This segmentation allows the pivoting head to rotate independently relative to the main body, enabling blade pivoting motion while maintaining a relatively simple overall structure that is easier to manufacture compared to integrated designs.
Solution Approach 2:
The pivot mechanism enables dynamic movement between the main body and the pivoting head, allowing the blade assembly to pivot relative to the handle. This dynamic capability provides close shave performance with adaptive skin contact while maintaining structural simplicity through a straightforward rotational joint design.
2Reliability
If the razor is made compact and durable, then it is more reliable for use, but delivering skin benefits like fluid or heat becomes difficult
Solution Approach 1:
The pivot mechanism is nested within the handle structure, with the pivoting head portion containing the blade assembly and the main body portion containing the handle. This nested arrangement allows compact and durable construction while still accommodating fluid delivery channels and heat delivery elements within the pivoting head, enabling skin benefit delivery without compromising reliability.
Solution Approach 2:
The pivoting head portion serves multiple functions: it houses the blade assembly for shaving, contains fluid delivery channels for applying skin benefits, and may include heat delivery elements. This multi-functionality allows the compact durable structure to provide both reliable shaving performance and skin benefit delivery through a single integrated component.
3Ease of operation
If existing pivoting razor designs are used, then blade pivoting is achieved, but the manufacturing and assembly process is costly and time-consuming
Solution Approach 1:
The razor is segmented into a main body portion and a pivoting head portion that can be manufactured separately and then assembled through a simple pivot connection. This segmentation enables independent optimization of each component for manufacturing efficiency and allows for straightforward assembly processes, reducing both cost and time compared to more complex integrated pivoting designs.
Solution Approach 2:
The pivot mechanism provides the necessary dynamic blade pivoting function through a simple rotational joint between the main body and pivoting head. This straightforward dynamic connection achieves the required blade movement for effective shaving while maintaining manufacturing and assembly simplicity, improving productivity compared to more complex pivoting mechanisms.
Data Source
AI summary
A handle. The handle can include a main body weighing greater than about 60 grams, the main body comprising a main frame and a secondary frame overlying the main frame. A discrete first arm having a first proximal portion and a first distal end can be coupled at the first proximal portion to a first location on the main frame. A discrete second arm having a second proximal portion and a second distal end can be coupled at the second proximal portion being to a second location on the main frame. The first and second distal ends being in spaced relationship and having pivotally coupled therebetween a pivoting head.