Razor Handle Movable Insert for Dynamic Weight Distribution
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing razor handles do not adjust their weight relative to shaving position, which can affect shaving performance.
Innovation Solution
Incorporating a freely movable insert within the cavity of the razor handle, allowing the weight to vary based on orientation, thereby enhancing shaving performance without increasing the handle's volume.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of moving object
If the volume of the razor handle is increased to increase the weight, then the weight of the razor handle is improved, but the compactness and ergonomics deteriorate
Solution Approach 1:
A dense insert element is placed inside the cavity of the razor handle, nesting a high-density material within the existing handle structure. This allows weight increase without external volume expansion, as the insert is contained within the handle's internal space
Solution Approach 2:
The razor handle combines two materials with different densities: the base handle material and a dense insert material. This composite structure enables weight adjustment by selecting inserts with varying densities, achieving desired weight without changing the handle's external volume
2Weight of moving object
If a dense insert is placed inside the cavity, then the weight of the razor handle is increased, but the complexity of the structure increases
Solution Approach 1:
The insert is designed as a simple geometric shape (sphere, cylinder, or cube) that nests within the handle cavity. This simple nested structure minimizes complexity while achieving the weight adjustment function
Solution Approach 2:
Instead of changing the structural complexity, the invention adjusts the weight parameter by changing the density parameter of the insert material. Different densities are selected to achieve different weight configurations without modifying the basic structural design
3Adaptability or versatility
If the insert is made movable within the cavity, then the adaptability to different shaving positions is improved, but the reliability of the insert position deteriorates
Solution Approach 1:
The insert is designed to be movable within the cavity rather than fixed, allowing it to dynamically adjust its position based on the handle's orientation during shaving. The cavity geometry provides natural constraints that guide the insert to stable equilibrium positions corresponding to different shaving angles
Solution Approach 2:
The cavity is shaped with inclined surfaces that create gravitational equilibrium positions for the insert at different orientations. When the handle is held at specific shaving angles, the insert settles into stable positions that maintain consistent weight distribution, effectively creating equipotential positions for different operational states
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
The movable insert allows the razor handle to adjust its weight dynamically, improving shaving by altering the perceived weight based on position, thus providing better contact between the blades and skin without requiring additional material or volume.
Implementation Method 1
the first insert has a position which is comprised between the first and second ends, said position depending on the orientation of said razor handle
Data Source
AI summary
A razor handle includes an elongated body extending in a longitudinal direction and has an outer surface. The outer surface of the handle is provided with a cavity. The cavity includes a first end and a second end and is open between the first and second ends. The razor handle further includes an insert, shaped to move freely within the cavity between the first and second ends.