Anti-theft Delivery Bag with Door Handle Strap and Mortise Plate Latch
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Solution Overview
Problem
The rise in contactless deliveries during the COVID-19 pandemic has led to increased theft of packages and food deliveries, as security cameras provide no protection for the delivered items.
Innovation Solution
An anti-theft delivery bag with a durable, waterproof design featuring a zipper or fingerprint lock, a strap for door handle attachment, and a latch member that secures to a door's mortise plate, preventing unauthorized access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a simple delivery bag is used for contactless delivery, then ease of operation is improved, but security against theft deteriorates
Solution Approach 1:
The delivery system is segmented into multiple functional components: a portable delivery bag for easy delivery, a separate locking mechanism with fingerprint sensor for security, and a detachable strap for attachment. This allows the bag to remain simple for delivery operations while incorporating advanced security features when needed.
Solution Approach 2:
The locking mechanism uses a fingerprint sensor to automatically authenticate and lock the bag, eliminating the need for manual locking operations. The delivery person simply needs to attach the bag and the system self-secures, maintaining ease of operation while providing reliable theft protection.
2Reliability
If a secure locking mechanism is added to the delivery bag, then theft protection is improved, but device complexity increases
Solution Approach 1:
The locking mechanism, fingerprint sensor, and securing components are merged into an integrated assembly that attaches to the exterior of the bag. This consolidation provides robust theft protection while maintaining a relatively simple overall structure, as the complex security features are contained within a single modular unit rather than distributed throughout the bag.
3Reliability
If the delivery bag is secured to the door with a latch mechanism, then theft protection is improved, but ease of operation deteriorates
Solution Approach 1:
The strap and latch mechanism are designed to be dynamically adjustable and easily deployable. The strap can be quickly wrapped around the door handle, and the latch engages automatically or with a simple action, providing strong theft protection without requiring complex installation or adjustment procedures during the delivery process.
Data Source
AI summary
An anti-theft delivery bag includes a bag having a front side and a rear side, the front side having an opening providing access to an interior portion of the bag. A fastener mechanism is positioned along the opening, the fastener mechanism configured to alternate between an opened position providing access to the interior portion, and a closed position preventing access to the interior portion. A locking device is configured to lock the fastener mechanism in the closed position. A strap is configured to be positioned on a door handle. A configurable latch member is attached to the rear side of the bag. The latch member includes a rectangular frame configured to be positioned against a mortise plate within a door jamb of a door, such that the latch member and the anti-theft delivery bag are secured in position when the door is closed and locked preventing theft of the bag.