Trolley Storage Design with Pick-and-Place Port for Ice Bucket Access

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Solution Overview

Problem

Existing trolleys with a hollowed-out design at the bottom of the table for storing ice cubes are inconvenient to access due to obstruction by objects or electrical devices, making it difficult to retrieve ice cubes and food.

Innovation Solution

A trolley design featuring a moving bracket with a storage portion below the fixed table and a pick-and-place port between the storage portion and the fixed table, allowing direct access to ice buckets and food without moving the table plate, along with an ice bucket having an accommodating chamber and opening facing the fixed table, and a height-adjusted pick-and-place port for easy retrieval.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the table plate is hollowed out at the bottom to store ice cubes, then the ice cubes can be stored at the bottom of the trolley table, but it becomes troublesome to open or move the table plate when objects or electrical devices are on the table, making it inconvenient to access the ice cube and ingredients

Engineering Contradiction:
ImproveConvenience of accessing ice cubes and ingredientsVSAvoidComplexity of table plate structure and operation
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The storage portion is segmented from the table plate structure, creating a separate accessible compartment with a pick-and-place port. This allows the storage function to be divided from the table surface, enabling independent access to ice cubes without moving the entire table plate or its objects.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The pick-and-place port serves as an intermediary access point between the external environment and the storage portion. This intermediate structure allows users to retrieve ice cubes and ingredients without directly interacting with the table plate, thus avoiding the need to move or open the table plate when objects are present.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Quantity of substance

If the table plate is hollowed out to store ice cubes, then storage capacity is provided, but the table plate must be opened or moved to access ice cubes, which is inconvenient when objects are on the table

Engineering Contradiction:
ImproveStorage capacity for ice cubesVSAvoidConvenience of retrieving ice cubes
Core Design Contradiction:
Quantity of substanceVSEase of operation

Solution Approach 1:

The storage portion is segmented as a separate compartment with its own access port, distinct from the table plate. This segmentation maintains storage capacity while providing independent access through the pick-and-place port, eliminating the need to move the table plate for retrieval operations.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Access to the storage portion is provided through a vertical pick-and-place port rather than requiring horizontal movement or lifting of the table plate. This dimensional change in access methodology allows retrieval operations to occur through a different spatial dimension, avoiding interference with objects on the table surface.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

3Ease of operation

If the table plate is moved or opened to access ice cubes, then ice cubes can be retrieved, but this causes operational inconvenience and potential water drip corrosion

Engineering Contradiction:
ImproveConvenience of ice cube retrievalVSAvoidWater drip corrosion and operational inconvenience
Core Design Contradiction:
Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The pick-and-place port acts as an intermediary access structure that enables ice cube retrieval without moving or opening the table plate. This intermediate access point isolates the retrieval operation from the table plate structure, preventing water drips from reaching and corroding the table plate during the access process.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The access function is extracted from the table plate structure itself and implemented through a separate pick-and-place port. This extraction allows the retrieval operation to occur independently of the table plate, eliminating the harmful effects of water drips on the table plate and the operational inconvenience of moving or opening it.

Inventive Principle:
Principle #2Taking out (Extraction)

Data Source

PatentUS20250244068A1Trolley
Publication Date: 2025.07.31 HAOHONG ELECTRIC TECH (HUBEI) CO LTD
  • US20250244068A1 patent drawing
  • US20250244068A1 patent drawing
  • US20250244068A1 patent drawing

AI summary

A trolley includes a moving bracket and an ice bucket. The moving bracket includes a bracket body, a storage portion and a fixed table, the storage portion and the fixed table are provided on the bracket body, the storage portion is provided below the fixed table and provided with a put-in port, a pick-and-place port is provided between the storage portion and the fixed table, and the put-in port is communicated with the pick-and-place port; and the ice bucket is placed in the storage portion from the put-in port.