Delivery Door Extension with Secure Window for Package Access Control
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Solution Overview
Problem
Existing delivery systems face challenges in securely delivering packages to recipients' homes without granting access to the delivery person, protecting against theft, maintaining privacy, and reducing re-delivery costs, while integrating with existing security systems and providing digital confirmation of delivery.
Innovation Solution
A delivery door extension that attaches to an existing door jamb and door, allowing packages to be delivered through a secure window while restricting access, featuring telescoping frames, motorized mechanisms, and integration with home security systems for visual and digital confirmation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the door is opened to allow delivery persons to place packages inside, then secure package delivery is achieved, but access to the interior is granted which compromises security
Solution Approach 1:
The door system is segmented into two functional zones: a secured interior region and a delivery access region. The delivery door extension creates a separate delivery zone that is physically divided from the main interior space, allowing packages to be placed inside the extension without granting access to the interior rooms. This spatial segmentation resolves the contradiction by enabling package delivery while maintaining interior security through physical separation.
2Productivity
If packages are left on the front porch for convenient delivery, then delivery efficiency is improved, but packages become vulnerable to theft
Solution Approach 1:
The delivery door extension acts as an intermediary structure between the exterior delivery environment and the interior secure space. It provides a protected intermediate zone where packages can be placed inside the recipient's property without being exposed to exterior theft risks. This intermediary structure resolves the contradiction by maintaining delivery efficiency while eliminating package vulnerability through the protective barrier of the extension.
3Reliability
If existing security systems are integrated with the delivery door extension, then security monitoring is improved, but system complexity increases
Solution Approach 1:
The delivery door extension is designed with universal compatibility to integrate with various existing security system types (electronic door locks, video doorbells, alarm systems). By incorporating standardized interfaces and multi-functional security features, the extension can work with different security systems without requiring completely new proprietary systems. This universality resolves the contradiction by improving security monitoring while minimizing complexity through compatibility with existing infrastructure.
Data Source
AI summary
A delivery door extension that attaches to an existing door jamb and engages with an existing door is provided. The delivery door extension includes a panel having a planar body with opposing front and rear surfaces extending between first and second side surfaces, a top surface, and a bottom surface, wherein the panel body includes an opening. The delivery door extension also includes a delivery window body configured to move between an open position and a closed position, a hinge mechanism attached to the first side surface of the panel, a blocking mechanism on the second side surface that restricts movement of the existing door, and a frame that includes first and second portions.