Lottery Dispenser Security Shield Mechanism
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Solution Overview
Problem
Current lottery ticket dispensers lack a simple and efficient method to prevent unauthorized dispensing when unattended, as the dispensing slot can be easily accessed for theft.
Innovation Solution
A ticket dispensing device with a pivotally attached security shield that can be moved between open and closed conditions, combined with a lock assembly and securement means, including a prong and retaining member, to securely block the dispensing slot when locked.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the dispenser is left unattended, then accessibility is improved, but security deteriorates as customers can easily steal tickets through the dispensing slot
Solution Approach 1:
The security shield is designed to be movable between open and closed positions, allowing the system to adapt its security level based on whether an attendant is present. When the door is locked, the shield automatically blocks the dispensing slot; when the door is unlocked, the shield can be moved to allow ticket dispensing.
Solution Approach 2:
The security shield is positioned to automatically block the dispensing slot before any unauthorized access can occur. The shield's initial position prevents ticket theft through the slot, and it only moves to an open position when the lock assembly is intentionally unlocked by an attendant with proper authorization.
2Reliability
If a security shield is added to block the dispensing slot, then security is improved, but device complexity increases
Solution Approach 1:
The security shield is integrated with the existing door and lock assembly rather than being a separate system. The shield shares the same pivot attachment point and is controlled by the same lock mechanism, combining multiple security functions into a single unified structure that reduces overall system complexity.
Solution Approach 2:
The security shield serves multiple functions: it blocks the dispensing slot to prevent theft, it provides a visual indicator of the dispenser's security state, and it works in conjunction with the lock assembly to create a layered security system. This multi-functionality justifies the added component by delivering multiple benefits from a single addition.
3Reliability
If the security shield is always in closed position, then security is improved, but ease of operation deteriorates as tickets cannot be dispensed
Solution Approach 1:
The security shield transitions from a static barrier to a dynamic component that automatically changes position based on the door's lock state. The shield is spring-loaded or gravity-assisted to return to the closed blocking position whenever the door is locked, ensuring security is maintained without requiring manual intervention to reset the shield after each dispensing operation.
Data Source
AI summary
A display and dispensing device for lottery-type tickets or the like that is securable to prevent the dispensing of the tickets when desired. The device includes a housing of box-like configuration having an open rear end, a door pivotally attached to the housing open end and a security shield pivotally attached to the door and being alternatively located in an open condition allowing said lottery tickets to be dispensed and a closed condition blocking the dispensing of said tickets.