Tubular Raising Post for Fence Height Extension
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Solution Overview
Problem
Existing methods for raising semi-rigid fences to prevent animal passage, such as deer, are costly and inefficient, either requiring extensive drilling or material wastage, and often result in loss of materials and time due to complex installation processes.
Innovation Solution
A single-piece tubular raising post with complementary cross-section to existing posts, featuring latches for wire attachment and a stop mechanism to prevent descent, allowing for easy and secure extension of fence height without additional materials or complex assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of stationary object
If the first raising technique (introducing a raising section with drilling and bolting) is used, then the fence height is increased, but the installation time and material cost increase significantly
Solution Approach 1:
The patent merges the raising post and the stop mechanism into a single integrated component. The raising post includes an insertion end that fits into the existing post and a stop element that prevents over-insertion, eliminating the need for separate drilling and bolting operations. This integration reduces installation time while achieving the same height extension.
Solution Approach 2:
The patent extracts the complex drilling and bolting steps from the raising process, replacing them with a simple insertion mechanism. The raising post is designed to be inserted directly into the existing post without requiring holes to be drilled or bolts to be installed, thereby removing the time-consuming operations while maintaining the structural integrity.
2Length of stationary object
If the first raising technique (introducing a raising section with drilling and bolting) is used, then the fence height is increased, but material loss and cost increase
Solution Approach 1:
The patent combines the raising post and stop mechanism into one piece, eliminating the need for separate bolts, nuts, and drilling operations. This reduces material consumption as no additional fastening materials are required, and no material is wasted in the form of drilled holes or lost fasteners.
Solution Approach 2:
The raising post is designed as a simple, inexpensive component that can be easily manufactured and installed. By using a straightforward insertion mechanism without complex fastening systems, the patent reduces both the cost and material usage of the raising operation.
3Length of stationary object
If the second raising technique (welding raising post around base post) is used, then the fence height is increased, but material wastage occurs due to double thickness
Solution Approach 1:
The patent merges the raising post and stop mechanism into a single integrated component with a complementary cross-section that fits inside the existing post. This eliminates the need for welding and the associated double thickness of material, reducing material wastage while achieving the height extension.
Solution Approach 2:
The raising post is nested inside the existing post, with its outer cross-section being complementary to the inner cross-section of the existing post. This nesting arrangement allows the raising post to fit snugly inside without requiring welding or creating double thickness, thereby reducing material consumption.
4Length of stationary object
If the first raising technique (drilling and bolting) is used, then the fence height is increased, but the process becomes complex and time-consuming
Solution Approach 1:
The patent combines multiple functions (raising post insertion and stop mechanism) into a single component. The raising post includes an insertion end that fits into the existing post and a stop element that prevents over-insertion, eliminating the need for separate drilling and bolting operations. This integration simplifies the installation process while achieving the same height extension.
Solution Approach 2:
The patent extracts the complex drilling and bolting steps from the raising process, replacing them with a simple insertion mechanism. The raising post is designed to be inserted directly into the existing post without requiring holes to be drilled or bolts to be installed, thereby removing the complexity of the installation process.
5Length of stationary object
If fence replacement is chosen instead of raising, then adequate height is achieved, but time and material loss increase significantly
Solution Approach 1:
The raising post is pre-formed with the complementary cross-section and integrated stop mechanism, allowing for quick installation. By preparing the raising post in advance with all necessary features built-in, the patent enables rapid installation without the need for on-site drilling, bolting, or welding operations.
Solution Approach 2:
The patent merges the raising post and stop mechanism into one integrated component, eliminating the need for multiple separate installation steps required in fence replacement. This integration allows the height extension to be achieved in a single insertion operation, significantly reducing the time and effort compared to complete fence replacement.
Data Source
Figure 1a~1b
Figure 2a~2b
Figure 3~6
AI summary
The method involves placing a raising post (21) by depression in an existing fence post (1), where the raising post has a tubular section with cross section that is complementary to that of the post. The post is equipped with a latch (22) allowing the fixation of threads (36) of netting to raise an existing fence (34) and with another latch (24) abutted against an upper end edge (20) of the existing post to prevent the raising post from descending inside the existing post. The raising post is inserted into the existing fence post until the raising post is suddenly butted against existing post. : An independent claim is also included for a raising post to implement a method for raising a stretched semi-rigid existing fence. USE : Method for raising a stretched semi-rigid existing fence i.e. mesh, supported by posts implanted in ground at regular intervals. ADVANTAGE : The method enables raising the stretched semi-rigid existing fence by the posts in an inexpensive manner. DESCRIPTION OF DRAWINGS : The drawing shows a perspective view of a portion of a fence raised post by a raising post. 1 : Existing fence post 20 : Upper end edge 21 : Raising post 22, 24 : Latches 34 : Existing fence 35 : Raising fence 36 : Threads.