Auto-Latching Drawer Cabinet for Secure Medicine Storage
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Solution Overview
Problem
Existing solutions for safe medicine storage in hospital environments are often inconvenient and unsafe, failing to effectively reduce the risk of medicine theft.
Innovation Solution
A lockable drawer cabinet equipped with a releasable latching mechanism (RLM) that automatically locks the drawer in a closed position, featuring a first and second member that can be controllably fixed between a forward latching and retracted release position, with a rotary actuator to rotate the first member and a compliant member to bias the second member for latching, enhancing security and ease of use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing safe storage solutions are used, then medicine theft risk is reduced, but convenience and safety are compromised
Solution Approach 1:
The latching mechanism automatically locks the drawer when closed without requiring manual intervention. The system self-actuates through the closing motion itself, which triggers the latching action through the interaction between the first member on the frame and the second member on the drawer, eliminating the need for separate locking operations while maintaining security
Solution Approach 2:
The latching mechanism transitions between locked and unlocked states dynamically based on drawer position. The first member can be rotated between a forward latching position and a retracted release position, allowing the system to adapt its state automatically according to whether the drawer is open or closed, providing both security and convenience
2Device complexity
If manual locking mechanisms are used, then simplicity is maintained, but automatic security locking is not achieved
Solution Approach 1:
The patent replaces complex electronic or motorized locking systems with a purely mechanical latching mechanism. The rotary actuator uses mechanical rotation to position the first member, and the interaction between the first and second members with hook portions creates the latching action through mechanical engagement, achieving automatic locking through simple mechanical principles rather than complex automated systems
Solution Approach 2:
The compliant member acts as an intermediary element that facilitates the latching action. It biases the second member in a forward position and allows controlled movement between latched and unlatched states, mediating the interaction between the drawer closing force and the latching mechanism to achieve automatic locking without complex control systems
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
The solution provides efficient and secure storage of medicines by allowing easy locking and unlocking of drawers, ensuring safe storage while being adaptable to different configurations and types of drawers, thus addressing the inconvenience and safety concerns of existing solutions.
Implementation Method 1
The second member may then be coupled to a compliant member configured to bias the second member in a forward position for latching with the first member in the forward latching position
Implementation Method 2
The cabinet may further comprise a rotary actuator configured to rotate the first member between the forward latching position and the retracted release position responsive to the signal
Implementation Method 3
at least one drawer may be attached to the frame by at least one glide that is a self-closing glide
Data Source
AI summary
A cabinet having lockable drawers includes a frame and one or more drawers supported by the frame. At least one drawer has a releasable latching mechanism for securing the drawer in a locked position by way of engagement of the releasable latching mechanism engaging with a corresponding portion positioned on the frame.