Parcel security apparatus
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Solution Overview
Problem
Current parcel security devices are unable to attach to the exterior of a door, accommodate variously sized parcels, or provide a secure, collapsible enclosure with alarm and notification features to prevent package theft.
Innovation Solution
A collapsible parcel security apparatus that hangs from the top of a door, featuring a secure drop-off door with an interior bag for package delivery, a lockable pick-up door, and additional hooks for larger items, along with alarm and notification systems to alert users of delivery or tampering.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a parcel security device hangs from the top of a door, then it can be securely positioned for delivery, but it cannot accommodate larger packages
Solution Approach 1:
The device is divided into two functional segments: a top door-mounted enclosure for secure delivery and a bottom free-standing enclosure with hooks for larger packages. This segmentation allows each part to specialize in different package types while working together as a complete security system.
Solution Approach 2:
The invention transitions from a single-level door-mounted device to a two-level system that utilizes both vertical space above and below the door. The bottom enclosure extends the functional capacity downward, creating a multi-dimensional solution that accommodates various package sizes.
2Stability of the object's composition
If a parcel security device is fixed in size, then it provides structural stability, but it cannot adapt to differently sized parcels
Solution Approach 1:
The bottom enclosure is designed to be collapsible and expandable, transforming from a static structure to a dynamic one. This allows the device to adapt its volume to match different package sizes while maintaining structural integrity through controlled mechanical movement.
Solution Approach 2:
The device incorporates multiple functions within a single system: the top enclosure handles small parcel security while the bottom enclosure with hooks accommodates larger items. This multi-functionality makes the device universally applicable to various delivery scenarios.
3Reliability
If a parcel security device provides a secure enclosure, then it prevents theft, but it cannot collapse for storage or access
Solution Approach 1:
The security system is segmented into two enclosures with independent access mechanisms. The top enclosure remains fixed for continuous security, while the bottom enclosure can collapse for easy access and compact storage, allowing users to benefit from both security and convenience.
Solution Approach 2:
The bottom enclosure is designed to collapse automatically or easily under its own weight when empty, providing self-service functionality that eliminates the need for manual folding or complex locking mechanisms during storage.
4Ease of operation
If a parcel security device hangs from the door, then it is easily accessible, but it interferes with door opening and closing
Solution Approach 1:
The device is segmented to attach only to the top portion of the door, leaving the lower door area clear for normal operation. This spatial segmentation minimizes interference with door hinges and handles while maintaining accessibility to the security enclosure.
Solution Approach 2:
Instead of having the main enclosure interfere with door operation, the invention inverts the approach by placing the primary security function at the top and using the bottom space for auxiliary storage that does not obstruct door movement.
Data Source
AI summary
The present invention is a device that assists with securing packages of varying sizes to the door or a home, apartment, or business. The device is capable of collapsing when not in use or while hanging on the user's door. Once a package is delivered and dropped into the secured apparatus, only the user will have access to the package by unlocking a pick-up door located on the device's bottom enclosure and retrieving the package from an interior bag. The user may additionally provide an enlarged bag to hang and secure to the outside of the device, if the package is expected to be too large to fit within the bottom enclosure of the apparatus.