Adjustable Weight Shaver Handle with Spring-Loaded Cavity
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Solution Overview
Problem
Shaver handles typically have a fixed, non-adjustable weight, which does not allow users to customize the weight based on their preferences or shaving needs.
Innovation Solution
A shaver handle assembly with a cavity that allows for the insertion and securement of adjustable weights using a cap and biasing member, such as a spring or telescoping rod, to enable users to customize the weight by adding or removing weights.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed weight shaver handle is used, then the manufacturing is simple and cost-effective, but the user cannot customize the weight for their preferences or shaving needs
Solution Approach 1:
The shaver handle is divided into separate components: a handle body, a removable cap, and interchangeable weights. This segmentation allows users to customize the weight by adding or removing weights while keeping the manufacturing of each individual component relatively simple.
Solution Approach 2:
The handle transitions from a static fixed-weight design to a dynamic adjustable-weight design. Users can modify the weight configuration based on their needs, and the spring mechanism dynamically secures different weight combinations within the handle body.
2Adaptability or versatility
If weights are added to make the handle adjustable, then user preference customization is enabled, but the risk of moisture entering the cavity and causing contamination increases
Solution Approach 1:
The weights are nested within the handle body cavity, which is then sealed by the cap. This nested structure protects the weights from external moisture and contamination while allowing weight adjustment through the removable cap mechanism.
Solution Approach 2:
The spring acts as an intermediary element that secures the weights within the cavity while maintaining a sealed environment. The cap serves as another intermediary that seals the cavity when closed, preventing moisture ingress while still allowing access for weight adjustment.
3Ease of operation
If a removable cap is used to access the cavity for weight adjustment, then user accessibility is improved, but the reliability of the seal may be compromised
Solution Approach 1:
The cap is designed to be easily removed and reattached, extracting the sealing function into a dedicated component that can be reliably opened and closed. This allows users to access the weights for adjustment while maintaining a reliable seal when the cap is closed.
Solution Approach 2:
The spring is pre-installed within the cavity to maintain a ready-to-secure state. When weights are added or adjusted, the spring automatically engages to secure them, and the cap can then be closed to seal the cavity, ensuring reliability is restored after each adjustment.
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
Enables users to personalize the weight of the shaver handle for improved control, maneuverability, and shaving performance, while maintaining a moisture-sealed environment to prevent contamination.
Implementation Method 1
a biasing member configured to abut at least one of the one or more weights, to secure the one or more weights within the cavity
Implementation Method 2
a telescoping rod configured to secure the one or more weights within the cavity, wherein the telescoping rod includes two or more sections configured to slide relative to one another as the telescoping rod is compressed or extended
Data Source
AI summary
A shaver handle assembly may include: a body defining a cavity; one or more weights insertable into the cavity; a cap removably coupled to the body to enable access to the cavity when the cap is removed from the body; and a biasing member configured to abut at least one of the one or more weights, to secure the one or more weights within the cavity.


