Dispenser Locking Assembly with Dual Key and Push-Button Access
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Solution Overview
Problem
Existing dispensers lack reliable locking mechanisms that allow for easy switching between key-operated and push-button access, often requiring complex interchangeable parts and deterring from providing dual-use functionality.
Innovation Solution
A locking assembly for dispensers that includes a locking component and a barrel, allowing for rotation between locked and unlocked positions, with a barrel opening for either a key or push button to facilitate seamless switching between key-operated and push-button access, using a simple mechanical design.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a locking assembly provides reliable locking for dispensers, then security is improved, but device complexity increases
Solution Approach 1:
The barrel is designed to accept both keys and push buttons, allowing the same locking assembly to provide secure key-operated locking while also enabling simple push-button access. This multi-functionality resolves the contradiction by maintaining reliable locking through the barrel structure while avoiding the need for separate locking mechanisms for different access methods.
Solution Approach 2:
The patent combines the key-operated locking function and push-button access function into a single integrated locking assembly. The barrel serves as a common interface for both access methods, merging what would traditionally require separate mechanisms into one unified system, thereby reducing overall device complexity while maintaining security.
2Adaptability or versatility
If a locking assembly uses interchangeable parts for key and push-button access, then versatility is improved, but device complexity increases
Solution Approach 1:
The barrel is designed with a universal interface that natively accepts both keys and push buttons without requiring interchangeable components. This eliminates the complexity of interchangeable parts while maintaining versatility, as the barrel's opening geometry naturally accommodates both access methods simultaneously.
Data Source
AI summary
A locking assembly for a dispenser may include a locking component and a barrel. The locking component is movable between (i) a first position configured to lock a cover of the dispenser, and (ii) a second position configured to unlock the cover. The barrel is rotatable between (i) a first barrel position configured to resist movement of the locking component, and (ii) a second barrel position configured to permit movement of the locking component. The barrel defines a barrel opening configured to receive a key or a push button. A dispenser including a dispenser plate and a cover may further include the locking assembly. The dispenser defines an interior closable with the cover. The cover is movably coupled to the dispenser plate. The locking assembly releasably secures the cover to the dispenser plate.


