Refrigerator
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Solution Overview
Problem
Existing refrigerator storage drawers require frequent and inconvenient operations for opening and closing, often necessitating the use of both hands and limiting design and storage space due to the need for a handle.
Innovation Solution
A storage drawer system with an actuator mechanism that allows for simple, one-handed operation by using a push-opening damper and guide rail system, enabling automatic extension and retraction, and incorporating a roller assembly for smooth movement and frictional members to control speed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a handle is added to extend the drawer, then the drawer can be opened, but the design is limited and storage space is reduced
Solution Approach 1:
The patent removes the traditional handle component entirely and replaces it with a push-opening mechanism. The drawer front face itself becomes the operating surface, eliminating the need for separate handle structures that would occupy storage space and limit design flexibility.
Solution Approach 2:
The drawer front face serves dual purposes: it is both the structural component that defines the drawer and the operating surface for opening. By making the front face itself the actuating surface, the design eliminates the need for additional handles while maintaining ease of operation.
2Adaptability or versatility
If frequent opening and closing operations are required, then food storage is accessible, but user convenience is reduced due to complex operations
Solution Approach 1:
The push-opening mechanism allows the drawer to open automatically when pressure is applied to the front face. This self-actuating mechanism eliminates the need for complex manual operations like gripping handles or pulling, making frequent access convenient even when hands are occupied.
Solution Approach 2:
The patent replaces traditional mechanical handle operations with a push-to-open mechanism that uses a damper system. This substitution transforms the operation from a complex multi-step mechanical interaction to a simple single-action push, significantly improving ease of operation for frequent access.
3Productivity
If both hands are in use, then cooking or carrying tasks are performed, but drawer operation becomes difficult
Solution Approach 1:
The drawer's front face is designed to be actuated by a simple push motion, which can be easily performed with one hand or even elbow. This eliminates the need for two-handed operations, allowing users to maintain productivity in cooking or carrying tasks while still accessing stored food.
Data Source
AI summary
A refrigerator having a first storage compartment having a first storage space defined therein, a door disposed on the first storage compartment to open and close the first storage space, a drawer-receiving portion defined in the first storage space; a storage drawer configured to be extendable from and retractable into the drawer-receiving portion, and an actuator disposed on a bottom face of the drawer-receiving portion, wherein the actuator is configured to move the storage drawer in an extended direction as the storage drawer is pressed in a retracted direction.