Garage Door Mail Bag Assembly With Rotating Anti-Fall Support
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Solution Overview
Problem
There is a need for a simple and inexpensive garage door mail receptacle that can be installed on various types of garage doors, including wood and metal, to securely hold mail in a vertical position and prevent it from falling when the door is opened, while also being foldable for convenience.
Innovation Solution
A mail bag assembly with a supporting subassembly that includes a rotatable rod and brackets, allowing the bag to be mounted below a mail slot and folded against the door using a hook and loop fastener, ensuring mail is held securely and can be easily installed on different types of garage doors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the mail bag is mounted to hold mail in vertical position, then mail can be received when door is closed, but mail falls out when door is opened
Solution Approach 1:
The mail bag assembly is designed to dynamically change its orientation based on door position. The rotatable mounting mechanism allows the bag to automatically transition from a vertical mail-receiving position when the door is closed to a horizontal folded position when the door is opened, eliminating the problem of mail falling out while maintaining ease of door operation.
2Ease of manufacture
If the mail bag assembly is made lightweight and uses weak fastener force, then it is easy to install and fold, but may not securely hold heavy mail
Solution Approach 1:
The system uses dynamic positioning rather than relying solely on fastener strength. The rotatable mounting allows the bag to be positioned optimally for different conditions: in a vertical position where the fastener provides sufficient holding for light mail, and in a horizontal folded position where mail is prevented from falling by geometry rather than fastener force.
Solution Approach 2:
The orientation parameter of the mail bag is changed based on operational needs. When the door is closed, the bag is in vertical orientation for mail reception. When the door opens, the bag rotates to horizontal orientation, changing the gravitational vector relative to the bag opening, thereby preventing mail from falling out without requiring increased fastener strength.
3Ease of operation
If the mail bag is kept folded against the door when not in use, then it is convenient and out of the way, but mail cannot be received
Solution Approach 1:
The rotatable mounting mechanism enables the mail bag to dynamically switch between two stable positions: a folded horizontal position against the door for convenient storage when not in use, and a vertical extended position for active mail reception. The rotation mechanism allows easy transition between these states, providing both storage convenience and reliable mail receiving capability as needed.
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 assembly effectively secures mail in a vertical position and prevents it from falling when the door opens, while being lightweight and easy to install, with the bag automatically rotating back to the mail-holding position when mail is inserted, providing a convenient and versatile solution for different garage door types.
Implementation Method 1
the fastener holds the bag against the door
Data Source
AI summary
In some embodiments, a mail bag assembly designed to be attached to a garage door in a position to collect mail passed through a mail slot in the garage door. The assembly includes a mail bag having an opening for receiving mail, and a supporting subassembly (which can include a rod) coupled to the bag so as to hold open the mail-receiving opening. The supporting subassembly is configured to be mounted to a garage door and to support the bag in an open, mail-holding position. The bag is shaped and dimensioned so as to receive and hold mail (when supported by the supporting subassembly below a mail slot in the garage door in the mail-holding position with the door in a closed, vertical position) and to prevent the mail from falling out of the bag when the door is opened. Various embodiments of the assembly can be easily installed on any type of garage door, including residential or industrial wood garage doors and composite or metal garage doors with trust support.