Dual-End Liquid Applicator With Segmented Roller Heads
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Solution Overview
Problem
Existing liquid applicators are typically designed for either female or male users and do not accommodate the diverse needs of both genders, including different types and amounts of liquids and surface contours, leading to a lack of a universal solution for personal lubrication and other applications.
Innovation Solution
A dual-end liquid applicator with a reservoir handle and separate head members for male and female use, featuring a roller ball assembly and elongate roller assembly respectively, along with a liquid dispenser system that allows for the storage and dispensing of different liquids through distinct outlets, facilitating single-handed operation and efficient application.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single liquid applicator is designed for one gender, then it can provide optimized performance for that specific user group, but it cannot serve both male and female users with different needs
Solution Approach 1:
The applicator is divided into two distinct head members with different geometries - a first head member optimized for female use and a second head member optimized for male use. Each head member can be independently attached to the reservoir handle, allowing users to select the appropriate head for their specific needs while maintaining a unified reservoir system.
Solution Approach 2:
The reservoir handle is designed with universal compatibility to accept both the first head member and the second head member. The reservoir system can store and dispense liquid through either head member, creating a multi-functional applicator that serves both male and female users with different anatomical requirements and liquid application needs.
2Adaptability or versatility
If different liquids are stored in separate reservoirs, then different liquids can be dispensed through different ends, but the device structure becomes more complex
Solution Approach 1:
The reservoir system incorporates a movable partition or valve mechanism that dynamically directs liquid flow to different outlets based on which head member is attached. This dynamic configuration allows a single reservoir to serve multiple liquid dispensing functions without requiring separate fixed reservoirs for each liquid type.
Solution Approach 2:
A liquid transfer mechanism or valve system acts as an intermediary between the reservoir and the different head members. This intermediary component controls the direction of liquid flow, enabling the same reservoir to supply liquid to either the first or second head member as needed, thereby simplifying the overall reservoir structure while maintaining versatility.
3Adaptability or versatility
If a dual end applicator is designed, then it can serve both male and female users, but the manufacturing process becomes more complex
Solution Approach 1:
The applicator is manufactured as separate modular components - the reservoir handle and the two different head members - that can be produced independently using standardized processes. This segmentation allows each component to be optimized for its specific function while simplifying the overall manufacturing process, as each part can be mass-produced separately and then assembled through a simple attachment mechanism.
Data Source
AI summary
A dual end liquid applicator including a reservoir handle having a first opening defined at a first end, a second opening defined at a second end opposing the first end, a first head member, and a second head member is provided. The reservoir handle defines an internal cavity for storing a dispensing liquid. The first head member is operably connected at the first opening at the first end of the reservoir handle. The second head member is operably connected at the second opening at the second end of the reservoir handle. The first head member and the second head member, when rolled over a contact surface, transfer and dispense the dispensing liquid from the internal cavity of the reservoir handle through the first opening at the first end of the reservoir handle and the second opening at the second end of the reservoir handle respectively, to the contact surface.