Rotatable Multifunctional Lid for Developmental Drinking Stages
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Solution Overview
Problem
Children take years to develop the skill of drinking from an open cup without spilling, necessitating multiple types of drinking vessels, which are often made of plastic and contribute to waste, and existing lids do not easily adapt to different developmental stages or provide easy cleaning.
Innovation Solution
A multifunctional lid with a first and second lid closure portion and a tubular member that can be configured to form multiple fluid passages and positions, allowing adaptation to different drinking stages and featuring a releasable connection and rotation mechanism for easy cleaning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple types of drinking vessels are purchased to accommodate different developmental stages, then the child's drinking needs are met, but the cost increases and plastic waste is generated
Solution Approach 1:
The lid is designed to perform multiple functions across different developmental stages. It includes a first configuration with a tubular member for straw drinking, a second configuration with aligned openings for open cup drinking, and can be rotated between these configurations. This single lid replaces the need for multiple specialized drinking vessels, reducing plastic waste while maintaining adaptability.
Solution Approach 2:
The lid incorporates a rotatable second lid closure portion that can be dynamically repositioned between different configurations. The rotation mechanism allows the lid to transition from a straw configuration to an open cup configuration, adapting to the child's developing drinking skills without requiring replacement of the entire vessel.
2Adaptability or versatility
If a multifunctional lid with multiple configurations is designed, then versatility is improved, but the device complexity increases
Solution Approach 1:
The lid is divided into distinct segments: a first lid closure portion and a second lid closure portion that can rotate independently. Each portion has specific openings that align in different configurations. This segmentation allows each part to be simple in structure while the combination provides multifunctionality, reducing overall complexity compared to a single complex piece.
Solution Approach 2:
The patent combines the straw holder function and the open cup drinking function into a single integrated lid structure. The tubular member for straw insertion is integrated with the rotatable closure portion, and the openings are positioned to serve both functions. This merging reduces the number of separate components needed while achieving versatility.
3Adaptability or versatility
If the lid has multiple configurations and rotatable components, then adaptability is improved, but the ease of cleaning is reduced
Solution Approach 1:
The lid is segmented into a first lid closure portion and a second lid closure portion connected by a rotation mechanism. This segmentation allows the second portion to be rotated away from the first portion, separating areas that would otherwise be difficult to access for cleaning. The discrete segments can be more easily rinsed and cleaned compared to a fully integrated structure.
4Loss of substance
If a single lid is used for multiple developmental stages, then plastic waste is reduced, but the ease of manufacture may be compromised
Solution Approach 1:
The lid is manufactured as segmented components (first lid closure portion and second lid closure portion) that can be produced separately using standard molding techniques. This segmentation allows each component to be manufactured independently with simpler tooling, and then assembled through the rotation mechanism, maintaining ease of manufacture while achieving multifunctionality.
Solution Approach 2:
The lid design uses universal features such as standard threading for container attachment and common geometric shapes for the openings and tubular member. These universal elements can be manufactured using conventional processes, and the multifunctional capability is achieved through the arrangement and relative movement of these standard components rather than requiring specialized manufacturing techniques.
Data Source
AI summary
A lid for a drinking vessel comprises a first lid closure portion (26), with a first and a second opening, and a second lid closure portion (28) with a first and a second opening, and a tubular member (30). The second lid closure portion is releasably connected to the first lid closure portion. The second lid closure portion rotates relatively to the first lid closure portion. A first configuration forms a first fluid passage through the lid, in which the first opening of the first lid closure portion is aligned with the first opening of the second lid closure portion, in which the tubular member protrudes through the first openings The lid further includes a second configuration in which the second opening of the first lid closure portion is aligned with the second opening of the second lid closure portion, thereby forming a second fluid passage through the lid.