Adjustable mailbox post joint
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Solution Overview
Problem
Mailbox posts often lose vertical alignment due to external forces or ground movement, requiring significant time, effort, and resources to repair, as existing methods typically involve adjusting or replacing the base of the post.
Innovation Solution
An adjustable joint system that allows for the alignment of upper post segments without altering the base, using a convex and concave surface mechanism with a connector member to rotatably connect and adjust the orientation of the post segments, enabling easy realignment and re-tightening.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the base of the post is adjusted or replaced to restore verticality, then the post alignment is restored, but significant time, effort, expense, skills, and tools are required
Solution Approach 1:
The post is divided into two separate segments: a lower segment that remains in the ground and an upper segment that can be independently adjusted. This segmentation allows the upper segment to be realigned without disturbing the base, eliminating the need for extensive excavation and base replacement work.
Solution Approach 2:
A joint mechanism serves as an intermediary connection between the lower and upper post segments. This joint includes a housing attached to the lower segment and an adjustable component that can be rotated and locked at various angles, providing a simple mechanism to restore verticality without directly modifying the base.
2Manufacturing precision
If the base of the post is adjusted or replaced to restore verticality, then the post alignment is restored, but significant expense and resources are required
Solution Approach 1:
By segmenting the post into lower and upper portions, the repair scope is limited to the upper segment and joint mechanism, avoiding the costly and complex work of base replacement or extensive ground excavation.
Solution Approach 2:
The joint mechanism is a relatively simple, inexpensive component compared to replacing an entire post or base structure. It provides an economical solution that can be easily manufactured and installed without requiring specialized skills or expensive equipment.
3Stability of the object's composition
If a rigid post structure is used to ensure stability, then the post remains stable, but it cannot adapt to ground movement or lateral forces
Solution Approach 1:
The joint mechanism incorporates rotational freedom that allows the upper post segment to be dynamically adjusted to various angles. A locking mechanism then secures the segment in the desired position, providing both adaptability during installation and stability during use.
Solution Approach 2:
The joint allows change in the angular parameter between the lower and upper post segments. By adjusting this angle, the post can adapt to ground movement or lateral forces while maintaining overall stability through the locking mechanism.
Data Source
AI summary
The present invention is directed to an improved ball and socket joint for connecting two mailbox post segments together, and improved mailbox post comprising a ball and socket joint, and a method for repairing a leaning mailbox post.