Ice Container with Movable Base for Consistent Access Level

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Solution Overview

Problem

High-throughput beverage shops face challenges with ice containers that require frequent manual refilling and repetitive bending to access ice, leading to inefficiencies and labor-intensive ice handling.

Innovation Solution

Ice containers equipped with a base that moves up and down based on ice levels, maintaining a consistent top level and incorporating automatic refilling mechanisms to minimize user effort.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If ice containers use a fixed base design, then the structure is simple and easy to manufacture, but servers must repeatedly bend to access ice when levels drop, increasing labor intensity and reducing operational efficiency

Engineering Contradiction:
Improveease of ice accessVSAvoidcontainer structure complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The base is designed to move vertically along guide rails in response to ice level changes. When ice is consumed and the level drops, the base automatically lowers to maintain ice within easy reach. When refilled, the base rises accordingly. This dynamic adjustment eliminates the need for servers to bend repeatedly, resolving the contradiction between operational ease and structural complexity.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The base positioning system operates autonomously based on ice level detection. Sensors detect when ice levels drop and automatically trigger the base to lower without human intervention. This self-service mechanism maintains continuous ease of ice access while avoiding the need for complex manual control systems.

Inventive Principle:
Principle #25Self-service

2Productivity

If ice containers require manual refilling, then the device complexity is low, but high-throughput beverage shops experience frequent interruptions and increased labor requirements

Engineering Contradiction:
Improveice service throughputVSAvoidrefilling automation level
Core Design Contradiction:
ProductivityVSExtent of automation

Solution Approach 1:

Optical sensors continuously monitor ice levels and provide feedback to the control system. When the ice level drops below a threshold, the system automatically activates the ice maker to begin refilling. This closed-loop feedback mechanism ensures continuous ice availability, maintaining high productivity without requiring manual monitoring or intervention.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The automatic ice maker begins refilling ice containers before they are completely empty, based on predictive sensing of consumption rates. This preliminary action prevents service interruptions by ensuring ice is replenished in advance, thereby maintaining high throughput while reducing the need for reactive manual refilling operations.

Inventive Principle:
Principle #10Preliminary action

3Ease of operation

If the base remains stationary at the bottom of the container, then the mechanism is simple and reliable, but servers must reach deeper into the container as ice levels fluctuate, increasing physical strain

Engineering Contradiction:
Improveice retrieval easeVSAvoidbase positioning mechanism
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The base transitions from a static position to a dynamic one, moving vertically along guide rails driven by a motorized mechanism. The base automatically adjusts its height to maintain ice within a consistent, easily accessible range regardless of total ice volume. This dynamic positioning resolves the contradiction by prioritizing operational ease while accepting controlled mechanical complexity.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The base positioning system incorporates counterweights and spring mechanisms to offset the weight of the base and ice during movement. This reduces the energy required for vertical adjustment and minimizes mechanical stress on the drive mechanism, making the complex positioning system more reliable and energy-efficient.

Inventive Principle:
Principle #8Anti-weight (Counterweight)

4Productivity

If automatic ice refilling is implemented, then productivity increases and manual labor decreases, but the device complexity and initial investment increase

Engineering Contradiction:
Improvebeverage service efficiencyVSAvoidautomatic refilling system complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The system uses optical sensors and weight sensors to continuously monitor ice levels and provide real-time feedback to the control system. This automated detection and response mechanism triggers the ice maker only when needed, maintaining high productivity while avoiding unnecessary system activation and reducing overall complexity compared to continuously operating systems.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The automatic refilling system operates autonomously once activated, with the ice maker independently managing the refilling process without human intervention. The system self-regulates based on sensor feedback, maintaining optimal ice levels while minimizing the need for complex manual control interfaces or monitoring systems.

Inventive Principle:
Principle #25Self-service

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

Reduces the distance servers need to reach into the container for ice and automates refilling, enhancing operational efficiency and reducing manual labor.

Implementation Method 1

the lift may include springs

Methodology Applied
Scientific EffectSpring: Spring

Implementation Method 2

the lift may include a counterweight

Methodology Applied
Scientific EffectGravitation: Gravitation

Implementation Method 3

the ice container may include a sensor configured to detect an object in front of the sensor

Methodology Applied
Scientific EffectOptical detection:

Implementation Method 4

a ramp positioned in the inner volume, the ramp may be declined towards a front of the housing to direct ice in the inner volume towards the front of the housing

Methodology Applied
Scientific EffectGravitation: Gravitation

Data Source

PatentUS20250264260A1Ice container systems
Publication Date: 2025.08.21 STARBUCKS CORPORATION
  • US20250264260A1 patent drawing
  • US20250264260A1 patent drawing
  • US20250264260A1 patent drawing

AI summary

An ice container may include a housing with an inner volume. The housing may hold ice in the inner volume. An ice container may include a base in the inner volume. The base may support ice in the inner volume. A lift coupled to the base, may move the base between a top of the housing and a bottom of the housing in order to maintain a top level of ice in the inner volume within a predetermined distance from the top of the housing.