Vending Machine Drive System for Multi-Size Container Dispensing
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Solution Overview
Problem
Vending machines face difficulties in accommodating variously sized and shaped beverage containers, leading to challenges in ensuring proper dispensing operations as the number of container sizes grows.
Innovation Solution
A drive system for vending machines featuring a cabinet with product storage zones, dividers, and release mechanisms that can shift along both horizontal and vertical axes, connected through mechanical or electrical drive mechanisms to facilitate simultaneous operation of multiple release mechanisms for different container sizes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If standard dispensing systems are used, then the system structure remains simple, but the system cannot accommodate a wide variety of container sizes and shapes
Solution Approach 1:
The patent employs a movable plunger mechanism that can dynamically adjust its position and apply force to different release mechanisms based on the selected product. The plunger travels along a guide way and can engage with different dividers to accommodate various container sizes, transforming a static system into a dynamic one that adapts to different product configurations.
Solution Approach 2:
A single plunger mechanism serves multiple functions by being able to activate different release mechanisms for different product queues. The drive system can selectively engage with multiple dividers and release mechanisms through one input, making the dispensing system universal enough to handle various container sizes without requiring separate mechanisms for each size.
2Adaptability or versatility
If multiple release mechanisms are added to accommodate various container sizes, then the adaptability improves, but the device complexity increases
Solution Approach 1:
The patent combines multiple release mechanisms into a single coordinated system controlled by one plunger. Instead of having independent mechanisms for each product queue, the plunger merges the control function into a single component that can activate multiple release points sequentially or simultaneously, reducing overall system complexity while maintaining the capability to handle various container sizes.
Solution Approach 2:
The plunger acts as an intermediary component between the single input and multiple release mechanisms. It translates a single activation force into coordinated movements that can engage different dividers and release mechanisms, simplifying the control architecture while enabling complex multi-product dispensing operations.
3Ease of operation
If manual product removal is required, then the system complexity remains low, but the ease of operation decreases
Solution Approach 1:
The system implements self-service dispensing where the selected product automatically releases and moves to the delivery chamber without requiring manual intervention. The plunger mechanism automatically engages the appropriate release mechanism based on the product selection, and the product transport mechanism automatically conveys the product to the customer, eliminating the need for manual product removal.
4Ease of operation
If a single input controls multiple release mechanisms, then the ease of operation improves, but the device complexity increases
Solution Approach 1:
The plunger serves as a mechanical intermediary that translates a single input force into coordinated activation of multiple release mechanisms. This intermediary approach maintains control simplicity for the user while managing the complexity internally through the plunger's guide way and engagement mechanism that selectively activates the appropriate release points.
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
Enables efficient and simultaneous operation of release mechanisms for variously sized containers, preventing multiple vends and ensuring accurate product delivery without manual adjustments, accommodating a wide range of container sizes and shapes.
Implementation Method 1
the drive mechanism is electrical, having a solenoid connected to a drive bracket through a connecting member. The drive bracket is operatively connected to the first and second release mechanism through a corresponding drive member. With this arrangement, activation of the solenoid applies a linear force to the drive bracket causing substantially simultaneous shifting of the first and second release mechanisms
Implementation Method 2
the drive mechanism is mechanical, having an activation member operationally connected to a driven member thorough first and second geared links. Both the activating member and driven member are connected to respective ones of the first and second release mechanisms through a corresponding drive member. With this arrangement, a linear force appliance to the activation member causing substantially simultaneous shifting of the first and second release mechanism
Data Source
AI summary
A vending machine includes first and second release mechanisms mounted to front portions of adjacent shelf dividers extending along a product shelf and establishing a product queue. A product transport system is arranged in the cabinet to carry a selected product container from the product queue towards a delivery chamber. A drive mechanism, operatively connected to each of the first and second release mechanisms, is mounted to an underside of the product shelf to simultaneously shift the first and second release mechanisms in order to release a selected product to the product transport system.