Refrigerator Ice Tray Cover Switching for Single or Simultaneous Twist
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Solution Overview
Problem
Existing ice making apparatuses in refrigerators require additional production and assembly costs to accommodate customer preferences for either single twist or simultaneous twist types, leading to inefficiencies and potential component waste.
Innovation Solution
An ice making apparatus with exchangeable covers that allow conversion between single twist and simultaneous twist types, using bearings and gear assemblies to support knobs for either singular or collective ice tray operation, reducing the need for modifying existing components and minimizing waste.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the ice making apparatus is designed to accommodate both single twist and simultaneous twist types, then customer preference and adaptability are improved, but production cost and device complexity increase
Solution Approach 1:
The ice making apparatus is divided into modular components: a base structure and interchangeable covers. Each cover is a self-contained module that can be detached and replaced. This segmentation allows the same base to support different cover types (single twist or simultaneous twist), reducing overall complexity while maintaining versatility.
Solution Approach 2:
The base structure is designed with universal features that can accommodate multiple types of covers. The bearing mounting provisions and overall architecture are standardized to work with both single-twist covers (having individual bearings for each knob) and simultaneous-twist covers (having a gear assembly with central bearing). This universality allows one base to serve multiple functions with different cover configurations.
2Adaptability or versatility
If different ice making apparatus types are manufactured separately, then customer preference is satisfied, but production cost and assembly cost increase
Solution Approach 1:
By segmenting the apparatus into a common base and interchangeable covers, the manufacturing process is simplified. The base can be mass-produced once and used for both types. Only the covers need to be manufactured in different configurations, reducing overall production complexity and cost compared to manufacturing entirely separate apparatuses for each type.
Solution Approach 2:
The apparatus configuration is made dynamic through the interchangeable cover system. Instead of fixed, separate designs for single-twist and simultaneous-twist types, the system allows dynamic reconfiguration by simply replacing the cover. This enables a single production line to efficiently produce bases that can be adapted to different customer preferences through cover attachment rather than complex assembly variations.
3Adaptability or versatility
If exchangeable covers with bearings and gear assemblies are used, then conversion between types is enabled, but component quantity and assembly complexity increase
Solution Approach 1:
The bearing mounting provisions are merged into the base structure, serving as a common foundation for both cover types. Instead of having separate mounting mechanisms for single-twist and simultaneous-twist covers, the base integrates universal bearing provisions that work with both configurations. This merging reduces the total number of components needed while maintaining full conversion capability between apparatus types.
Data Source
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AI summary
The present invention relates to an ice making apparatus (1) comprising a casing (2), ice trays (3), an ice receptacle (4), a retainer (5) for rotatably supporting the ice trays (3) and one or more than one knob (6) for respectively twisting the ice trays (3) either simultaneously or singly. In the ice making apparatus (1) of the present invention, the retainer (5) selectively supports either one of a plurality of exchangeable covers (7a, 7b) enabling a single or simultaneous twist type ice making apparatus. One exchangeable cover (7a) has a plurality of bearings (8a).