Hinged Protective Case With Resilient Bushing For Round Hairbrush
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Solution Overview
Problem
There is a lack of protective cases specifically designed for round hairbrushes, leading to potential damage during travel and storage, as well as the risk of bristles snagging or causing messes in luggage.
Innovation Solution
A universal protective case with a hingedly interconnected body and a resilient bushing system that securely accommodates round hairbrushes of various sizes, preventing bristle damage and messes by gripping the handle and bristles within a cylindrical compartment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If round hairbrushes are packed loosely or in collapsible bags during travel, then they are easier to pack, but the bristles can be crushed and damaged by tightly packed luggage
Solution Approach 1:
The protective case is divided into two hingedly interconnected body sections that can be separated for easy packing and reassembled for protection. This segmentation allows the case to be compact during travel while providing rigid protection when closed, resolving the contradiction between ease of packing and bristle protection.
Solution Approach 2:
The case provides pre-established rigid enclosure and structural support for the hairbrush before it is subjected to crushing forces during travel. The hard shell construction and snug-fitting lid create a protective barrier in advance, preventing bristle damage from external pressures rather than reacting to damage after it occurs.
2Volume of stationary object
If the brush is packed without a specific protective case, then luggage space is maximized, but the bristles can snag and damage clothing and fabric items
Solution Approach 1:
The bristles are extracted from direct exposure to the luggage environment by placing them inside the enclosed protective case. This isolation prevents the bristles from contacting and damaging clothing and fabric items while the compact case design minimizes the volume occupied in luggage.
Solution Approach 2:
The case utilizes a compact, shell-like structure with a snug-fitting lid that encloses the brush in a space-efficient manner. The rigid shell contains the bristles securely while maintaining a compact profile that maximizes luggage space utilization.
3Adaptability or versatility
If a protective case is designed to securely grip various handle diameters, then it can accommodate different brush sizes, but the case structure becomes more complex
Solution Approach 1:
The case is designed with a universal opening and interior space that can accommodate hairbrushes of various handle diameters and bristle configurations. The simple cylindrical interior and open-top design allow different brush types to be placed inside without requiring adjustable mechanisms, maintaining structural simplicity while achieving versatility.
Solution Approach 2:
The hinged lid provides dynamic access to the interior space, allowing the case to be opened for inserting/removing brushes of different sizes and closed to provide protection. This dynamic opening mechanism enables adaptability to various brush dimensions without complicating the overall case structure.
4Ease of operation
If the brush is stored without a dedicated case, then access is easier, but the brush is vulnerable to damage and contamination from hair and dandruff
Solution Approach 1:
The brush is extracted from direct exposure to contaminants by placing it inside the enclosed case. The lid creates a barrier that prevents hair, dandruff, and other contaminants from settling on the brush while maintaining easy access through simple opening and closing of the lid.
Solution Approach 2:
The case provides a thin-walled but protective enclosure that shields the brush from contamination and damage. The simple lid design allows easy access while the enclosed structure prevents contaminants from reaching the brush surfaces.
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 case effectively prevents bristle damage and messes during travel and storage, accommodating different sizes and configurations, ensuring the hairbrush is securely held and reducing the risk of interengagement with other items.
Implementation Method 1
A resilient bushing is received by the channel in the neck. The bushing includes a pair of complementary bushing sections that are connected to respective complementary body sections of the case... When the body is closed, the central passageway has a diameter that is less than the diameter of the brush handle such that the bushing resiliently grips the handle of the brush.
Data Source
AI summary
A protective case for a round hairbrush includes a generally cylindrical body having a relatively wide diameter barrel for accommodating the bristles and a relatively narrow diameter neck through which the handle of the brush extends to outside of the case. A resilient bushing is mounted in the neck to interengage the handle and restrict undue movement of the brush and resulting damage to the bristles. The body is hingedly assembled for alternating between opened and closed conditions.