Folding door for a cooking appliance
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Solution Overview
Problem
Traditional cooking appliance doors are full height/width, requiring users to lean over or position laterally, exposing them to heat and creating an undesired momentum arm, which increases material and installation costs.
Innovation Solution
A folding door design with segments hingedly connected to fold vertically, allowing access to cooking compartments while reducing heat exposure and momentum force, featuring hinges and tracks for smooth operation and angled positioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a full height and width door is used, then the cooking compartment is securely enclosed, but users are exposed to heat and must lean over or position laterally to access the compartment
Solution Approach 1:
The door is divided into multiple segments (typically three) that can fold relative to each other. This segmentation allows the door to collapse vertically when opened, moving the hot inner surface away from the user while still providing access to the cooking compartment.
Solution Approach 2:
The door opens by folding vertically along its height rather than swinging horizontally outward. This dimensional change in the opening motion allows the door to clear the user's space while maintaining secure enclosure when closed.
2Stability of the object's composition
If a full height and width door is used, then the cooking compartment is securely enclosed, but the door creates an undesired momentum arm requiring counterweights
Solution Approach 1:
Dividing the door into segments reduces the effective momentum arm of each individual segment compared to a full-size door. This reduces the counterbalancing force required while maintaining stable enclosure when closed.
Solution Approach 2:
The door transitions from a static full-size barrier to a dynamic segmented structure that can fold. This dynamic configuration reduces the momentum arm during operation while maintaining enclosure stability when closed.
3Object-affected harmful factors
If a folding door with segments is used, then user safety is improved by reducing heat exposure, but the door structure becomes more complex with multiple hinges and tracks
Solution Approach 1:
The door is divided into segments connected by hinges, allowing vertical folding motion. This segmentation achieves heat protection while the hinge and track system provides guided motion.
Solution Approach 2:
Tracks serve as intermediary elements that guide the folding door segments during operation. The tracks constrain the motion path and work with the hinges to achieve smooth folding while reducing the need for complex mechanical systems.
Data Source
AI summary
An apparatus and method of a folding door for a cooking appliance. The folding door includes two or more segments hingedly connected. The folding door may vertically fold towards the bottom of the appliance. The outer surface of the folding door may face interiorly towards the one or more cooking compartments of the cooking appliance when in the folded configuration. The cooking appliance may also include one or more tracks guiding the folding door to the folded configuration.