Dual-Section Comb With Variable Spacing for Hair Detangling

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Solution Overview

Problem

Existing hair combs are inefficient in detangling and aligning hair due to a lack of differentiated comb sections that can adapt to different hair types and cutting needs, requiring frequent guard changes on electric clippers, which is time-consuming.

Innovation Solution

A single-piece comb with two distinct comb sections and a grip base, where each comb section has a unique diastema spacing, allowing for efficient detangling and alignment without needing to switch guards on electric clippers.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a single comb section is used, then the comb structure is simple, but the comb cannot adapt to different hair types and cutting needs

Engineering Contradiction:
Improveadaptability to different hair typesVSAvoidcomb structure complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The comb is divided into multiple comb sections (first comb section, second comb section, third comb section) with different diastema spacing, each attached to a common grip base. This segmentation allows each section to serve different hair types and cutting needs while maintaining a unified comb structure.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The comb integrates multiple comb sections with different diastema spacing into a single tool, enabling it to perform multiple functions - detangling different hair types, aligning hair for cutting, and working with clients of various ages - all without requiring separate combs or guard changes.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Adaptability or versatility

If frequent guard changes are made on electric clippers, then different comb sizes can be obtained, but the process becomes time-consuming

Engineering Contradiction:
Improvecomb size varietyVSAvoidtime for guard changes
Core Design Contradiction:
Adaptability or versatilityVSLoss of time

Solution Approach 1:

Multiple comb sections with different diastema spacing are merged into a single comb tool attached to one grip base. This eliminates the need to switch between separate guards or combs, allowing the barber to work with different comb sizes simultaneously on different sections of the client's head without time loss.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The comb serves as a universal tool that replaces multiple guards and combs. The different comb sections can be used for different hair types and cutting stages, eliminating the repetitive action of changing guards on electric clippers and saving significant time during hair cutting procedures.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Productivity

If differentiated comb sections are added, then detangling efficiency improves, but the comb manufacturing complexity increases

Engineering Contradiction:
Improvedetangling efficiencyVSAvoidcomb manufacturing complexity
Core Design Contradiction:
ProductivityVSEase of manufacture

Solution Approach 1:

The comb is manufactured as a single piece with segmented comb sections, each having different diastema spacing. This segmentation is integrated into the molding process, allowing different sections to be formed simultaneously in one manufacturing operation, which maintains ease of manufacture while achieving high detangling efficiency.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The comb sections are differentiated by changing the diastema spacing parameter while maintaining the same basic comb structure and material. This parameter variation allows for optimized detangling performance for different hair types without requiring complex manufacturing processes, as the same molding technique can produce sections with different spacing by adjusting mold dimensions.

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUS20250295213A1Comb
Publication Date: 2025.09.25 HOWARD SHAWN
  • US20250295213A1 patent drawing
  • US20250295213A1 patent drawing
  • US20250295213A1 patent drawing

AI summary

The improved comb is an item of hair dressing equipment. The improved comb is adapted for use with the hair of a client. The improved comb is a mechanical structure. The improved comb is a hand tool. The improved comb is used to detangle and align the hair of the client. The improved comb includes a first comb section, a second comb section, and a grip base. The first comb section and the second comb section attach to the grip base. The first comb section and the second comb section act as working elements of the tool of the improved comb. There are physical differences between the first comb section and the second comb section relevant to the hair dressing process.