Mailbox delivery alert system and methods
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Solution Overview
Problem
The existing methods for alerting mail delivery to a mailbox are cumbersome, especially when the mailbox is distant from the owner, or in adverse weather conditions, and require manual verification, which can be burdensome for individuals with reduced mobility.
Innovation Solution
A mailbox delivery alert system with a flag mechanism that pivots from a home position to an alert position when the mailbox is accessed, using natural motions of the postal worker, with a simple construction and few components, allowing easy integration into existing mailboxes without requiring manual operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual verification of mail delivery is required, then the mailbox owner can confirm delivery status, but it becomes burdensome for individuals with reduced mobility or distant locations
Solution Approach 1:
The mailbox system automatically detects closure opening and triggers a flag alert without requiring the owner to manually check. The system serves itself by using the closure's own movement to activate the notification mechanism, eliminating the need for the owner to physically verify mail delivery.
Solution Approach 2:
The patent replaces manual visual verification with an automated mechanical alert system. The flag mechanism automatically responds to closure movement, substituting the need for the owner to physically travel to and inspect the mailbox with a remote visual signal.
2Reliability
If a complex alert system is implemented, then mail delivery notification can be achieved, but the construction complexity and difficulty of integration increase
Solution Approach 1:
The alert mechanism is merged with the existing mailbox closure components. The flag is integrated into the closure assembly, using the closure's own movement to trigger the alert, thereby eliminating the need for separate sensors, power sources, or control systems.
Solution Approach 2:
The closure itself serves dual functions: securing the mailbox and triggering the alert mechanism. The natural opening motion of the closure activates the flag without requiring external power or complex control systems, simplifying the overall device construction.
3Ease of operation
If the flag mechanism uses natural motions without instructions, then ease of operation improves, but the mechanism design becomes more complex
Solution Approach 1:
The flag mechanism automatically responds to the closure's natural opening motion without requiring manual activation or programming. The system uses the existing operational motion of the mailbox closure to trigger the alert, making it intuitive and instruction-free for users.
Solution Approach 2:
The flag mechanism is pre-configured during manufacturing to respond to closure opening. The mechanical linkage is set up in advance during production, so that during normal use, the flag automatically alerts without requiring any setup or instruction to the end user.
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
Provides an efficient and accessible way for mailbox owners to determine if mail has been delivered without needing to physically verify, simplifying the process and reducing burdens for those with mobility issues or distant locations.
Implementation Method 1
a closure (112) pivotal to the enclosure (110) about a box axis (114) between a closed position and an open position
Implementation Method 2
the arm is moveably mounted relative to the flag intermediate the axial end and the visual end for movement parallel to the height and at non-parallel angles to the height
Data Source
AI summary
In a mailbox delivery alert system, a closure abutment secured to an outer end of an arm is pushed by pivoting a mailbox closure from a closed position to an open position, and the arm is moveably mounted relative to a flag intermediate its ends for movement parallel to and at non-parallel angles to the flag height. The moving arm pushes an arm abutment secured to an inner end of the arm against the flag intermediate its ends, with the arm abutment pivoting the flag from a home position to an alert position.