Hinged Drink Lid Structure for Safer Ice and Beverage Refilling

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Solution Overview

Problem

Existing containers with lids face challenges in accurately pouring beverages and adding solids like ice, and there is a risk of accidental ingestion of solids, particularly for children, when consuming beverages from the edge of the container.

Innovation Solution

A lid design featuring a base part with a joint area, a small opening, a rotatable small lid part, a hinge part, and a margin part that forms an overhang outside the opening edge, with a knob and holding structure to maintain the small lid part in an open state, using a paper-based material with a fragile connection structure.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the lid is removed from the edge of the container to allow accurate pouring and adding of solids, then the ease of operation is improved, but the risk of accidental ingestion of solids increases

Engineering Contradiction:
Improveease of pouring and adding solidsVSAvoidrisk of accidental ingestion
Core Design Contradiction:
Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The lid is divided into a base part and a small lid part that can be rotated independently. The small lid part can be opened to allow accurate pouring and adding of solids, while the base part with its overhang structure remains attached to the container to prevent accidental ingestion. This segmentation allows the lid to provide both pouring functionality and safety protection simultaneously.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The margin part with overhang structure acts as an intermediary barrier between the container interior and the external environment. When the small lid part is opened, this overhang structure prevents solids from accidentally falling out while still allowing beverages to be poured in, thus mediating between the need for easy operation and safety protection.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If a small opening is provided in the lid for drinking, then the reliability is improved by preventing spills, but the ease of operation deteriorates when adding beverages and solids

Engineering Contradiction:
Improvespill preventionVSAvoiddifficulty of pouring and adding solids
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The small lid part is designed to be rotatable relative to the base part through a hinge connection. This dynamic structure allows the small lid part to be opened when pouring or adding solids is needed, and closed when spill prevention is required. The holding structure forming part maintains the open state during operation, providing both reliability and ease of operation at different stages.

Inventive Principle:
Principle #15Dynamics

3Stability of the object's composition

If the lid is fused to the container edge, then the stability is improved, but the ease of operation deteriorates when removing the lid for refilling

Engineering Contradiction:
Improvelid attachment stabilityVSAvoiddifficulty of lid removal
Core Design Contradiction:
Stability of the object's compositionVSEase of operation

Solution Approach 1:

The lid is segmented into a base part that remains fused to the container edge for stability, and a small lid part that can be rotated and removed as needed. This segmentation allows the main body of the lid to remain securely attached while the small lid part provides operational flexibility for refilling and adding solids without requiring complete lid removal.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS20260077925A1Lid, container with lid, and combination of lid and container
Publication Date: 2026.03.19 KY7 INC
  • US20260077925A1 patent drawing
  • US20260077925A1 patent drawing
  • US20260077925A1 patent drawing

AI summary

A lid is formed to be joinable to a container having an opening at the upper end and an edge forming the outer periphery, a base portion having a joint area corresponding portion corresponding to the area joined to the container along the edge and a small opening with a smaller opening area than that of the container, a small lid portion for opening and closing the small opening, and a hinge portion connecting the base and small lid portions, the small lid portion being rotatable relative to the base portion about the hinge portion, having a margin portion that, in a plan view of the base, is formed inside the inner edge of the joint area corresponding portion and outside the opening edge of the small opening, and when a line segment connecting the margin and hinge portions is assumed, passes through the opening edge of the small opening.