Fence Pulling Assembly with Press Bar for Woven Wire Tensioning

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Solution Overview

Problem

Woven wire fencing is difficult to stretch and secure evenly during installation due to its heavy and cumbersome nature, often resulting in a sagging appearance and uneven fence height.

Innovation Solution

A fence pulling assembly comprising a mount plate, support frame, spindle, brace post, press bar, and actuator, which allows for efficient transportation, unrolling, and tensioning of woven wire fencing using a skid steer, ensuring a smooth and taut installation process.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If woven wire fencing is manually transported and stretched, then installation flexibility is maintained, but the heavy weight and cumbersome nature of the fencing makes it difficult to handle and results in sagging and uneven appearance

Engineering Contradiction:
Improveease of handlingVSAvoidweight of fencing roll
Core Design Contradiction:
Ease of operationVSWeight of moving object

Solution Approach 1:

The patent introduces a pulling assembly with a press bar as an intermediary device between the fencing roll and the installer. The press bar engages with the fencing roll and applies downward force to keep the fencing taut during installation, eliminating the need for manual handling of the heavy roll while preventing sagging and ensuring even installation.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Manufacturing precision

If the fencing is stretched tightly to prevent sagging, then a smooth appearance is achieved, but the heavy weight of the fencing makes it difficult to maintain tension and position during installation

Engineering Contradiction:
Improveinstallation precisionVSAvoidease of positioning
Core Design Contradiction:
Manufacturing precisionVSEase of operation

Solution Approach 1:

The press bar serves as a mediator that automatically maintains the required tension and position of the fencing during installation. By engaging with the fencing roll and applying controlled downward force, it ensures the fencing remains taut and evenly positioned without requiring the installer to manually maintain tension against the heavy weight.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The pulling assembly with the press bar provides a counterbalancing force against the weight of the fencing roll. The press bar applies downward pressure to counteract the natural sagging caused by gravity, allowing the fencing to be installed with proper tension despite its heavy weight.

Inventive Principle:
Principle #8Anti-weight (Counterweight)

3Productivity

If manual stretching is used to secure the fencing evenly, then installation adaptability is maintained, but the process is time-consuming and results in inconsistent fence height and appearance

Engineering Contradiction:
Improveinstallation speedVSAvoidinstallation uniformity
Core Design Contradiction:
ProductivityVSManufacturing precision

Solution Approach 1:

The press bar as an intermediary device automatically ensures uniform installation by maintaining consistent downward pressure on the fencing throughout the installation process. This eliminates the variability and inconsistency that occur with manual stretching, ensuring uniform fence height and appearance while significantly reducing the time required for installation.

Inventive Principle:
Principle #24Intermediary (Mediator)

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

Enables the efficient transportation and installation of woven wire fencing, maintaining tension and preventing sagging, resulting in a visually appealing and effective barrier for containing livestock.

Implementation Method 1

The hydraulic cylinder is connected to the support frame and the press bar, and is configured to move the press bar between at least the first position and the second position

Methodology Applied
Scientific EffectHydraulic force: Hydraulic Press

Implementation Method 2

The press bar is pivotable about the brace post between at least a first position and a second position, wherein the distance between the press bar and the spindle is greater in the first position than in the second position

Methodology Applied
Scientific EffectRotational motion: Hinge

Data Source

PatentUS11352809B2Automated fence pulling assembly
Publication Date: 2022.06.07 MARION MECHANICAL LLC
  • US11352809B2 patent drawing
  • US11352809B2 patent drawing
  • US11352809B2 patent drawing

AI summary

A fence pulling assembly that includes a mount plate, a support frame, a spindle, a brace post, a press bar, and an actuator. The support frame extends from the mount plate and is connected to the spindle and the brace post. The spindle receives a roll of fencing. The brace post supports the press bar. The press bar is pivotable between a first position and a second position, wherein the distance between the press bar and the spindle is greater in the first position than in the second position. The actuator is configured to move the press bar between the first position and the second position.