Security Mailbox Panel with Reinforcement to Prevent Forced Entry
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Solution Overview
Problem
Existing mailboxes with internal security panels are unable to accommodate parcels and are susceptible to forced entry due to lack of reinforcement near the opening, limiting access and security.
Innovation Solution
A security mailbox and conversion kit that includes a security panel connected to the floor and walls, a locking mechanism, and a pulling member to open the panel without security credentials, along with reinforcing elements to enhance structural rigidity and prevent tampering.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the front door is opened to access mail, then full access to the interior is provided, but security credentials are required and the action is not convenient
Solution Approach 1:
The access system is segmented into two independent components: the front door for general access and the security panel for secured access. The security panel can be rotated independently without requiring to open the entire front door or use security credentials, providing convenient access for mail retrieval while maintaining security for the mail compartment.
2Ease of manufacture
If the mailbox walls are not reinforced, then manufacturing is simpler and cost is lower, but the mailbox is susceptible to forcible entry
Solution Approach 1:
Reinforcement is applied locally at critical areas where the security panel connects to the mailbox structure, rather than reinforcing the entire mailbox uniformly. This targeted approach provides necessary strength to prevent forcible entry at vulnerable points while minimizing additional manufacturing complexity and cost.
Data Source
AI summary
A security mailbox and associated field-modification kit having an interior security panel comprising a first lock member configured to engage a second lock member connected to the interior of the mailbox, a slot to deposit mail articles through the security panel, and a hinge piece to connect the security panel to the floor of the mailbox. The mailbox and kit includes a pulling member demountably connected between the front door and the security panel; whereby rotation of the front door imparts a pulling force via the pulling member sufficient to open the security panel when the security panel is unlocked. The mailbox and kit may alternatively include a spring member configured to rotate the security panel open when unlocked. The first lock member includes a door latch and spring latch to secure the security panel to the mailbox. The security mailbox and kit further includes reinforcing and installation hardware.