Modular Cosmetic Applicator with Stackable Roller Ball Sections
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Solution Overview
Problem
Conventional roller ball applicators are limited in multifaceted use and efficiency, as they typically include only one roller ball and container, restricting the application of various materials and sharing of the applicator.
Innovation Solution
A modular cosmetic applicator design featuring a bottle and removably attachable sections with roller balls, allowing multiple sections to stack and connect in a fluid communication configuration, enabling the use of different roller balls and materials for efficient application.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single roller ball and container are used in conventional applicators, then the structure is simple, but the versatility and ability to apply multiple materials are limited
Solution Approach 1:
The applicator is divided into separate modular components: a base unit with a roller ball and reservoir, and detachable extension sections each containing additional roller balls and material reservoirs. This segmentation allows users to attach different sections for different materials while keeping the base structure simple.
Solution Approach 2:
The base unit is designed with universal connection features (recesses and fasteners) that can accommodate multiple types of extension sections. Each section can be configured for different cosmetic materials, making the entire system multi-functional while maintaining a consistent simple interface.
2Adaptability or versatility
If multiple roller balls and materials are integrated into a single applicator, then versatility improves, but the device becomes more complex and harder to share
Solution Approach 1:
By separating the applicator into a reusable base unit and interchangeable extension sections, the design enables easy sharing - users can exchange sections between different base units or borrow sections from others, while the base unit remains with the owner for storage and maintenance.
Solution Approach 2:
The detachable connection mechanism allows the applicator configuration to be dynamically changed based on user needs. Sections can be quickly attached or detached during use, enabling flexible sharing and adaptation without permanent integration of all components.
3Productivity
If a modular stacked design with multiple sections is used, then efficiency and flexibility of application improve, but the device complexity increases
Solution Approach 1:
The extension sections are designed to stack vertically on top of the base unit, with each section nesting into the space above the previous one. This nested arrangement minimizes the overall footprint when sections are attached, making the multi-component system more compact and manageable despite the increased number of parts.
Data Source
AI summary
A cosmetic applicator includes a bottle and one or more sections that are removably attachable to one another in a stacked configuration. The bottle includes a reservoir, a first roller ball housing, a first fastener, and a first recess including a second fastener. Each section includes a receptacle, a second roller ball housing, a third fastener, and a second recess including a fourth fastener. The first recess removably receives the second roller ball housing. The second recess of a first section removably receives the second roller ball housing of a second section. The third fastener of a first section engages the second fastener of the bottle and the fourth fastener of a second section to allow connection of a section to the bottle and connection of the sections to each other, thereby enabling attachment of the bottle and the sections to one another in an interchangeably stacked configuration.