Powered Brush Adapter for Universal Accessory Compatibility
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Solution Overview
Problem
Existing personal grooming devices are limited by the need for integral brush heads that match the drive hub, restricting the diversity of aftermarket brush heads and accessories that can be used.
Innovation Solution
An adapter with a body portion and leg members that securely attach to the drive hub of a powered brush, allowing for the attachment of various accessories through a central attachment hub, enabling the transfer of rotational and oscillatory motion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If brush heads are configured to be removable from the hand-held appliance, then frequent cleaning and replacement of brush heads is enabled, but the brush heads require an integral base specifically configured to mate with the drive hub, which limits the diversity of heads available
Solution Approach 1:
The patent introduces an adapter as an intermediary component between the drive hub and the brush head. The adapter includes a base portion with a base hub that mates with the drive hub, and an attachment hub that receives various brush heads. This intermediary allows brush heads without integral bases to be used with the powered brush, thereby increasing diversity while maintaining reliable connection and motion transfer.
2Reliability
If brush heads include an integral base specifically configured to mate with the drive hub, then secure attachment is achieved, but the diversity of aftermarket brush heads and accessories is restricted
Solution Approach 1:
The invention segments the attachment system into three separate components: the drive hub (integral to the powered brush), the adapter (with base hub and attachment hub), and the brush head/accessory. This segmentation allows the adapter to serve as a universal interface that maintains secure attachment through the base hub connection while enabling compatibility with various brush heads and accessories that have different attachment requirements.
3Adaptability or versatility
If various aftermarket brush heads are enabled through an adapter, then versatility is enhanced, but the attachment mechanism complexity increases
Solution Approach 1:
The adapter is designed as a universal component that performs multiple functions: it connects to the drive hub via the base hub, provides a standardized attachment hub for various brush heads and accessories, and transfers rotational and oscillatory motion from the drive hub to the attached accessory. This multi-functionality reduces the need for multiple specialized adapters, thereby managing complexity while enhancing versatility.
Data Source
AI summary
An adapter for a powered brush includes a body portion, a plurality of leg members extending from the body portion and being configured to releasably retain the adapter on a drive hub of a powered brush, and an attachment hub on the body portion, the attachment hub being configured to releasably receive an accessory. The adapter is configured to transmit rotation and / or oscillation from the drive hub of the powered brush to the accessory.