Razor Handle With Digit Opening for Stable Shaving Grip

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Solution Overview

Problem

Conventional razor handles are unstable and lack control, particularly for individuals with fine motor skills, leading to frequent cuts and difficulty in achieving a close shave.

Innovation Solution

A razor handle design featuring a handle body with an opening and an indentation at the rear half, allowing for multiple grip configurations and enhanced stability, along with a convex top surface and a concave indentation for secure digit engagement.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a conventional straight stick razor handle is used, then the device is simple in structure, but it slips from the hand and lacks control especially when wet

Engineering Contradiction:
Improvehandle stabilityVSAvoidhandle structure
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The handle incorporates an opening extending through it and an indentation at the rear end, creating localized grip areas that improve hand engagement without complicating the overall simple stick structure. These local modifications provide secure digit placement while maintaining the fundamental simplicity of the handle design.

Inventive Principle:
Principle #3Local quality

2Ease of operation

If a conventional razor handle is used, then the device is easy to manufacture, but it causes frequent cuts and injuries due to lack of control

Engineering Contradiction:
Improveshaving controlVSAvoidhandle fabrication
Core Design Contradiction:
Ease of operationVSEase of manufacture

Solution Approach 1:

The opening and indentation are strategically positioned features that enhance control during shaving operations. The opening allows secure digit insertion while the indentation provides a comfortable rear grip position, together improving operational control without requiring complex manufacturing processes.

Inventive Principle:
Principle #3Local quality

3Ease of operation

If a conventional smooth handle is used, then the manufacturing process is simple, but users with fine motor difficulties cannot maintain stable grip

Engineering Contradiction:
Improvegrip stabilityVSAvoidhandle geometry
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The handle features an opening extending through it and an indentation at the rear end, creating specific localized areas for digit engagement. These features provide stable grip points for users with fine motor difficulties without requiring complex overall handle geometry or multiple components.

Inventive Principle:
Principle #3Local quality

Data Source

PatentUS12441016B1Razor handle
Publication Date: 2025.10.14 WATSON ALAN MIKE
  • US12441016B1 patent drawing
  • US12441016B1 patent drawing
  • US12441016B1 patent drawing

AI summary

An improved razor handle for providing increased stability to a user is disclosed. The razor handle includes a handle body extending from a front end to a rear end. The handle body further includes a top surface, a bottom opposite the top surface, a first lateral surface, and a second lateral surface opposite the first lateral surface. An opening extends through the handle body from the first lateral surface to the second lateral surface wherein the opening is configured to receive one or more digits of the user. A razor head coupler is disposed at the front end, for engaging with a razor head. The opening allows for various easy and comfortable holding positions by user during shaving.