Variable Diameter Hair Tool Barrel Actuation
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Solution Overview
Problem
Hair styling tools that apply heat often require multiple devices with different geometries to achieve various curling effects, making them inconvenient for users to own and store.
Innovation Solution
A variable diameter adjustable hair tool with a barrel that can change its outer diameter through a mechanism of plates and actuators, allowing for different configurations such as cone or inverted cone styles, and controlled by a user-operated control component.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple hair tools with different geometries are used to achieve various curling effects, then styling versatility is improved, but device complexity and storage requirements increase
Solution Approach 1:
The patent implements a single hair tool device that can perform multiple curling functions by allowing the barrel diameter to be adjusted. The barrel includes an actuator mechanism that enables users to change the diameter between different preset values, replacing the need for multiple separate curling tools with different fixed geometries. This multi-functional design allows one device to achieve the styling versatility previously requiring multiple devices.
Solution Approach 2:
The patent employs a dynamic barrel structure where the diameter can be changed during operation. The barrel includes an actuator mechanism that allows real-time adjustment of the diameter, transforming a static geometric parameter into a dynamic one. This enables the single device to adapt its geometry for different curling effects, resolving the contradiction between versatility and device quantity.
2Device complexity
If a single hair tool is used instead of multiple tools, then device complexity is reduced, but styling versatility deteriorates
Solution Approach 1:
The patent changes the geometric parameter of the barrel (diameter) from a fixed value to an adjustable variable. The actuator mechanism enables the diameter to be modified between different preset values, allowing a single device to provide multiple styling options. This parameter change approach maintains device simplicity while achieving styling versatility through controlled variation of the barrel diameter.
3Adaptability or versatility
If the barrel diameter is made adjustable through actuators and plates, then styling versatility is improved, but device complexity increases
Solution Approach 1:
The barrel is segmented into multiple plates that can be independently positioned along the longitudinal axis. The actuator mechanism controls the radial movement of these segmented plates, allowing each plate to be positioned at different radial distances from the central axis. This segmentation enables versatile barrel configurations (including conical and inverted conical shapes) while keeping the actuator mechanism relatively simple, as it only needs to control the radial position of discrete plate segments rather than continuously variable geometry.
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 multiple styling options within a single device, reducing the need for multiple hair tools by allowing users to adjust the barrel diameter for various curling effects, enhancing versatility and convenience.
Implementation Method 1
A heater included in the hair tool may transfer heat at a specified temperature to the plates
Data Source
AI summary
A variable diameter adjustable hair tool that includes a barrel with a number of plates. A heater included in the hair tool may transfer heat at a specified temperature to the plates. The heater may draw power from a power unit. The hair tool has a handle connected to the barrel that allows the user to hold the tool. The adjustable diameter is achieved by an actuator that alters the outer diameter of the barrel by changing the distance between a surface of the plates and a central axis of the barrel. The actuator may controlled by a control component that converts a user action into an action of the actuator. Other aspects are also described and claimed.