Cascading Basket System for Freezer Drawer Accessibility
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Solution Overview
Problem
In bottom mount refrigerator appliances, baskets above the lower basket are difficult to access, making it strenuous to pull out and view contents, especially when full, due to their positioning and the need for users to bend and reach into the freezer chamber.
Innovation Solution
A cascading basket system where each basket is connected to the door and features guide rails and rollers that allow them to move together as a single unit when the door is opened, enabling easy access and viewing without needing to physically pull on individual baskets, with optional magnetic engagement for smoother operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If multiple baskets are stacked vertically in the freezer chamber, then storage capacity is improved, but accessibility of upper baskets deteriorates
Solution Approach 1:
The baskets are arranged in a nested configuration where the second basket is partially inserted into the first basket, and the third basket is partially inserted into the second basket. This nesting arrangement allows all baskets to be accessed simultaneously by pulling the door forward, resolving the contradiction between vertical stacking for storage capacity and accessibility for upper baskets.
Solution Approach 2:
The baskets are designed with dynamic movement capabilities through guide rails and rollers that allow them to slide forward and backward relative to each other. When the door is pulled forward, all baskets move together dynamically, enabling easy access to upper baskets without requiring the user to bend over or reach deep into the freezer chamber.
2Adaptability or versatility
If baskets are positioned above the lower basket, then storage organization is improved, but viewing ease deteriorates
Solution Approach 1:
The baskets are arranged in a cascading configuration that extends in multiple dimensions - vertically stacked but also horizontally offset. This dimensional arrangement allows users to view contents of multiple baskets simultaneously from a standing position, improving viewing ease while maintaining organized storage capacity.
3Quantity of substance
If baskets are made full of food items, then storage efficiency is improved, but ease of operation deteriorates
Solution Approach 1:
The baskets are connected through guide rails and rollers to move as a unified system. When the door is pulled forward, all baskets including full ones move together, eliminating the need for users to manually pull heavy full baskets. This merging of movement mechanics maintains storage efficiency while dramatically improving ease of operation.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The cascading basket system simplifies access and viewing of all baskets simultaneously, reducing user effort and preventing forgotten items by allowing baskets to be pulled out and returned as a unified unit, enhancing usability and visibility.
Implementation Method 1
a roller operable to roll along the first guide rail of the first basket
Implementation Method 2
the second basket also has a second magnet oriented such that the first magnet and the second magnet are arranged in opposing polarity
Data Source
AI summary
An appliance equipped with a cascading basket system is provided. In one example aspect, the cascading basket system includes a first basket connected to a door and movable together forward and backward, a second basket positioned above the first basket, and a third basket positioned above the second basket. The cascading basket system includes features that allow a user to pull out the baskets as a single unit and in a cascading manner by moving the door forward. As one example, the first and second baskets can define pocket recesses configured to receive rollers of the seconds and third baskets respectively to engage the baskets. As another example, the first and second baskets can include protruding ribs that receive bosses of the seconds and third baskets respectively to engage the baskets. In another example, the baskets can include magnets to move the baskets forward together as a single unit.