Angularly Adjustable Bristles for Fingernail Cleaning
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing fingernail brushes with fixed bristles are not adaptable to varying fingertip configurations, leading to suboptimal cleaning effectiveness for different users.
Innovation Solution
A fingernail brush with angularly adjustable bristles, allowing users to pivot the bristle support to change the bristle sweep angle, enabling optimal cleaning for individual fingertip configurations, and optionally incorporating vibratory functionality for enhanced cleaning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If fixed bristles are used in fingernail brushes, then the device structure is simple, but the adaptability to various fingertip configurations is poor
Solution Approach 1:
The patent applies the dynamics principle by making the bristle support rotatable relative to the handle, allowing the bristles to change their angular orientation dynamically. The bristle support can rotate about an axis to adjust the bristle sweep angle from a first angular orientation to a second angular orientation, enabling adaptation to different fingertip configurations while maintaining a relatively simple overall structure.
2Adaptability or versatility
If angularly adjustable bristles are implemented, then adaptability to fingertip configurations improves, but device complexity increases
Solution Approach 1:
The patent applies segmentation by dividing the brush into distinct functional components: a handle, a rotatable bristle support, and bristles. This modular segmentation allows the bristle support to be independently rotated to adjust bristle orientation without complicating the entire brush structure, thus achieving adaptability while controlling overall complexity.
3Reliability
If standard soap and water are used for cleaning hands, then the cleaning process is simple, but cleaning effectiveness for built-up soil is insufficient
Solution Approach 1:
The patent applies dynamics by enabling the bristles to change their angular orientation during use. The bristle support can rotate to position bristles at optimal angles for removing built-up soil from fingernails and fingertips, thereby improving cleaning effectiveness beyond what fixed bristles or simple soap-and-water methods can achieve.
Data Source
AI summary
A fingernail brush that includes bristles that are angularly adjustable by a user of the brush. In one embodiment, the fingernail brush includes a housing and a bristle assembly having a bristle support and at least one row of bristles. The bristle assembly is rotatably coupled to the housing so that a user can rotate the bristles to a desired relative bristle angle. In some embodiments, the bristles are present in a bristle channel formed as a recess in a face of the housing. The angular adjustability of the bristles allows a user to set the bristles to a relative bristle angle appropriate for the way the user intends to orient their fingertips relative to the fingernail brush. In some embodiments, a fingernail brush of the present disclosure may include one or more vibration generators that cause bristles to vibrate at a sonic frequency, an ultrasonic frequency, or both, to enhance cleaning efficacy.