Beverage Vending Machine Shutter for Secure Cup Pickup
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Solution Overview
Problem
Existing beverage vending machines are vulnerable to vandalism due to the exposed dispensing outlet, which communicates directly with the outside through an opening in the top wall, compromising the security of the mixing station and internal components.
Innovation Solution
The beverage vending machine incorporates a shutter mechanism to close the cup feed station opening and a guard device to protect the dispensing nozzles, ensuring they are only accessible during operation and preventing unauthorized access when not in use, thus safeguarding the internal components from vandalism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the outlet communicates directly with the compartment through an opening in the top wall for easy access, then the user can easily retrieve the beverage cup, but the outlet and mixing station become exposed to vandalism
Solution Approach 1:
The patent applies the dynamics principle by implementing a movable shutter that can transition between open and closed positions. The shutter is actuated by a drive mechanism that responds to user interactions (coin insertion, button pressing), dynamically opening to allow cup retrieval and closing to protect the outlet when not in use. This dynamic behavior resolves the contradiction by providing ease of access during operation while preventing vandalism during idle periods
Solution Approach 2:
The patent applies the self-service principle by designing an automatic shutter control system that responds to user inputs (coin detection, beverage selection) and automatically opens the shutter at the appropriate moment. The system also automatically closes the shutter after the transaction is complete, eliminating the need for manual intervention and ensuring consistent protection against vandalism while maintaining ease of cup retrieval
2Ease of operation
If the mixing station is exposed for easy cup access, then users can easily pick up their beverages, but the internal components become vulnerable to damage
Solution Approach 1:
The movable shutter creates a dynamic barrier that is open during beverage dispensing and closing for protection. This dynamic structure allows the system to alternate between providing easy access for cup pickup and securing the internal components, resolving the contradiction between operational ease and component security
Solution Approach 2:
The shutter acts as an intermediary element between the user and the internal mixing station components. It mediates access by being open during legitimate beverage retrieval operations and closed during idle periods to prevent direct access to vulnerable components, thus protecting reliability while maintaining ease of operation
Data Source
AI summary
A beverage vending machine having a pickup compartment accessible from the outside and having a beverage mixing station; a beverage dispensing device having at least one outlet located at the mixing station in a fixed position facing the pickup compartment; a first member for feeding a cup into position beneath the outlet; and a second member which is movable, past the outlet and with respect to the first member, to and from a position separating the outlet from the pickup compartment.