Collapsible Cookware Lid Handle for Stackable Storage
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Solution Overview
Problem
Conventional cookware lids have handles that are too tall, making it difficult to stack them for storage while still allowing for easy gripping during use.
Innovation Solution
A collapsible handle that can be moved between an extended configuration for easy grasping and a collapsed configuration for space-saving storage, featuring attachment features such as recesses, protrusions, or coatings to facilitate stacking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a raised handle is attached to the lid for grasping, then ease of operation is improved, but device complexity increases and storage efficiency deteriorates
Solution Approach 1:
The handle is designed to be movable between an extended configuration for grasping and a collapsed configuration for storage. The handle can be flexed or folded to transition between these states, allowing it to adapt to different operational requirements. This dynamic behavior resolves the contradiction by providing ease of operation when needed while eliminating the complexity burden during storage.
Solution Approach 2:
The handle structure is designed to nest or fold back onto itself or against the lid body when collapsed. The handle may include nested components or folding segments that allow it to occupy minimal space when not in use. This nesting approach reduces the effective volume of the handle, resolving the contradiction between providing a grasping feature and maintaining storage efficiency.
2Ease of operation
If a tall handle is attached to the lid for easy grasping, then ease of operation is improved, but storage efficiency deteriorates
Solution Approach 1:
The handle transitions dynamically between a tall extended configuration for grasping and a short collapsed configuration for storage. This dynamic height adjustment allows the handle to provide adequate grasping surface area when needed while minimizing its vertical dimension during storage, directly resolving the volume contradiction.
Solution Approach 2:
The handle's primary parameter (height) is changed between two states: an extended state with sufficient height for comfortable grasping, and a collapsed state with reduced height for space-efficient storage. This parameter transformation resolves the contradiction by allowing the handle to satisfy both opposing requirements at different times.
3Volume of moving object
If a collapsible handle is used to improve storage efficiency, then volume is reduced, but device complexity increases
Solution Approach 1:
The collapsible handle employs dynamic mechanisms such as flexing materials or folding joints that allow the handle to collapse without requiring complex additional components. The complexity is managed through clever use of material properties and simple mechanical linkages rather than elaborate systems, resolving the contradiction between volume reduction and complexity increase.
Solution Approach 2:
The handle may utilize flexible materials or thin-walled structures that allow collapse through bending or folding rather than requiring complex mechanical assemblies. This flexibility approach reduces the handle's volume while keeping the structural complexity relatively low, as the flexibility itself enables the collapsing function without additional complex mechanisms.
4Volume of moving object
If attachment features are added to facilitate stacking, then storage efficiency is improved, but device complexity increases
Solution Approach 1:
The attachment features serve multiple functions: they facilitate stacking of lids, provide structural reinforcement for the collapsible handle, and may serve as attachment points for other lid components. This multi-functionality resolves the contradiction by making the attachment features contribute to storage efficiency while their structural role prevents excessive complexity increase.
Solution Approach 2:
The attachment features are merged with existing structural elements of the lid and handle rather than being separate added components. For example, the attachment features may be integrated into the handle's collapsing mechanism or the lid's rim structure, allowing stacking functionality to be achieved without proportionally increasing overall device complexity.
Data Source
AI summary
Cookware lids are provided having a collapsible handle that is movable between a first extended configuration for use during cooking, and a second collapsed configuration with a reduced profile to enable the lids to be stored. In certain exemplary embodiments, the lids can include attachment features to allow the lids to be arranged in a stacked configuration, with the collapsible handle mated to the attachment feature on an adjacent lid.