Adjustable Curling Edge Mechanism for Hair Styling Apparatus

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Solution Overview

Problem

Existing hair styling apparatuses, such as flat irons, lack the ability to selectively adjust curl size and tightness, requiring manual rotation and movement to achieve desired curls, which can be cumbersome and inconsistent.

Innovation Solution

A hair styling apparatus with pivotably secured arms and selectively movable curling components, allowing the curling edge to be configured between retracted, extended, and intermediate positions relative to the heating surface, enabling adjustable curl sizes and tightness.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If manual rotation and movement are used to achieve curls, then curling functionality is provided, but ease of operation deteriorates and consistency worsens

Engineering Contradiction:
Improveease of operationVSAvoiddevice complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The curling component is made dynamically adjustable through a telescoping mechanism that allows the curling edge to move laterally between retracted and extended positions. This dynamic adjustment enables users to select different curling configurations without manual rotation, directly improving ease of operation while maintaining consistent curl results through predefined positional stops.

Inventive Principle:
Principle #15Dynamics

2Adaptability or versatility

If fixed curling edge position is used, then device simplicity is maintained, but adaptability deteriorates

Engineering Contradiction:
ImproveadaptabilityVSAvoiddevice complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The telescoping curling component provides multiple fixed positional stops (retracted, intermediate, extended configurations) that offer predetermined curling options. This dynamic multi-position system enhances adaptability for different curling preferences while maintaining reasonable device complexity through a single movable component rather than multiple separate tools.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The curling component is divided into segmented positional configurations along its lateral axis. Each position (retracted, intermediate, extended) represents a discrete curling option, allowing users to segment their curling needs into manageable, predefined settings that balance adaptability with operational simplicity.

Inventive Principle:
Principle #1Segmentation

3Productivity

If curling edge is retracted close to heating surface, then curling efficiency improves, but safety deteriorates due to heat exposure

Engineering Contradiction:
Improvecurling efficiencyVSAvoidheat exposure
Core Design Contradiction:
ProductivityVSObject-affected harmful factors

Solution Approach 1:

The telescoping mechanism dynamically adjusts the lateral distance between the curling edge and heating surface. Users can select the retracted configuration for efficient curling when needed, or extend the curling component to increase distance and reduce heat exposure, providing real-time control over the trade-off between productivity and safety.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The movable curling component acts as an intermediary between the heating surface and the hair. By extending the curling component laterally, a greater distance is created between the heat source and the curling action, reducing direct heat exposure to the user's hands while still maintaining curling efficiency through the heated hair contact point.

Inventive Principle:
Principle #24Intermediary (Mediator)

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 easily and consistently achieve desired curl sizes and tightness by allowing precise adjustment of the curling edge's lateral distance from the heating surface, enhancing styling versatility and efficiency.

Implementation Method 1

A heating member on the first arm has a hair-heating surface in generally opposing relationship with the second arm for applying heat to hair between the first and second arms

Methodology Applied
Scientific EffectThermal conduction: Conduction (thermal)

Data Source

PatentUS8776805B2Hair styling apparatus having selectively adjustable curling component
Publication Date: 2014.07.15 SPECTRUM BRANDS INC
  • US8776805B2 patent drawing
  • US8776805B2 patent drawing
  • US8776805B2 patent drawing

AI summary

A hair styling apparatus includes a curling component generally proximate to the hair-heating surface and operatively connected to at least one of first and second arms of the apparatus. The curling component has a curling edge selectively movable laterally with respect to a hair-heating surface of the apparatus to configure the curling component between a retracted configuration, in which the curling edge is spaced a retracted lateral distance from a lateral edge of the hair-heating surface, and an extended configuration, in which the curling edge is spaced an extended lateral distance, greater than the retracted lateral distance, from the lateral edge of the hair-heating surface.