Adjustable Brush Teeth Spacing via Rotatable Shaft Mechanism
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Solution Overview
Problem
Grooming brushes are ineffective for different animals due to fixed teeth spacing, which may cause discomfort and inefficiency in grooming, as they cannot be adjusted to suit unique fur characteristics.
Innovation Solution
An adjustable brush design featuring a handle with a brush head that includes a non-rotatable and rotatable shaft, where adjustable teeth are slideably coupled to the non-rotatable shaft and spacers are positioned on the rotatable shaft, allowing for adjustable spacing through rotation, enabling optimal fur interaction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If fixed teeth spacing is used in grooming brushes, then manufacturing is simple and device complexity is low, but adaptability to different fur types deteriorates and grooming effectiveness decreases
Solution Approach 1:
The brush teeth are made adjustable through a mechanical adjustment mechanism involving a rotation knob, threaded shaft, and spring-loaded teeth that can change their spacing dynamically. This allows the brush to adapt to different fur types by adjusting the distance between teeth, resolving the contradiction between fixed structure simplicity and adaptability requirements.
Solution Approach 2:
The invention changes the spacing parameter of the brush teeth to accommodate different fur characteristics. By allowing the teeth spacing to be varied through the adjustment mechanism, the brush can optimize its performance for short, medium, or long fur, thereby improving adaptability without requiring multiple different brushes.
2Productivity
If fixed teeth spacing is used in grooming brushes, then device complexity is low, but grooming effectiveness for specific animals is not maximized
Solution Approach 1:
The dynamic adjustment capability allows users to optimize tooth spacing for maximum grooming effectiveness on different animals. The mechanism enables real-time adjustment during use, ensuring the brush performs at peak efficiency regardless of the animal's fur characteristics, thus improving productivity despite added complexity.
Solution Approach 2:
The adjustment mechanism enables a single brush to perform multiple grooming functions for different fur types effectively. Instead of requiring separate brushes for different animals, one adjustable brush can serve multiple purposes, improving overall productivity while the complexity is confined to a single adjustment system.
3Ease of operation
If fixed teeth spacing is used, then ease of manufacture is high, but comfort for animals with unique fur characteristics deteriorates
Solution Approach 1:
By allowing teeth spacing to be adjusted, the brush can be customized to provide optimal comfort for each animal's specific fur characteristics. The manufacturing process remains relatively simple using standard mechanical components like threaded shafts and springs, while the ability to change spacing parameters ensures animal comfort.
Data Source
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AI summary
An example adjustable brush may include a handle and a brush head coupled to the handle. The brush head may include a platform, a first arm extending from the platform, and a second arm extending from the platform. A non-rotatable shaft may extend between the first and second arms and a rotatable shaft may be positioned between the non-rotatable shaft and the platform. The rotatable shaft may extend between the first and second arms. A plurality of adjustable teeth may be slideably coupled to the non-rotatable shaft and a plurality of spacers may be positioned on the rotatable shaft. At least a portion of one or more of the plurality of spacers may engage at least a portion of a respective one or more of the adjustable teeth. A rotation of the rotatable shaft rotates the spacers and causes a lateral movement of the adjustable teeth along the non-rotatable shaft.