Adjustable Idler Sprockets for Gate Operator Alignment

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Solution Overview

Problem

Existing gate operators often encounter misalignment issues during installation, leading to vertical or horizontal offsets between the gate bracket and the drive mechanism, which can cause rapid deterioration and failure.

Innovation Solution

The solution involves a mounting structure with adjustable interfaces that allow for vertical and horizontal adjustments of the idler sprockets and the motor/drive unit, ensuring proper alignment with the gate bracket and eliminating offset issues.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a new gate operator is installed to replace an outdated one, then the gate operator is updated with improved performance, but misalignment offset between the gate bracket and drive mechanism causes rapid deterioration and failure

Engineering Contradiction:

Improvegate operator lifespanVSAvoidalignment precision

Core Design Contradiction:

ReliabilityVSManufacturing precision

Solution Approach 1:

The patent applies the dynamics principle by making the idler sprocket vertically adjustable through a mounting structure with adjustment mechanisms. This allows the system to adapt to different vertical positions and compensate for misalignment offsets between the gate bracket and drive mechanism, preventing rapid deterioration while maintaining proper chain engagement throughout the gate operator's operational life.

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The patent implements parameter changes by enabling vertical position adjustment of the idler sprocket through modified mounting interfaces. This parameter adjustment capability allows the idler sprocket to be repositioned vertically to eliminate offset forces, thereby extending the gate operator's lifespan and improving reliability without requiring precise manufacturing tolerances.

Inventive Principle:

Principle #35Parameter changes

2Productivity

If the gate operator is positioned closer to the gate, then the gate can be actuated more efficiently, but horizontal offset exerts increasing forces on the gate bracket and idler sprocket leading to failure

Engineering Contradiction:

Improvegate actuation efficiencyVSAvoidgate bracket and idler sprocket durability

Core Design Contradiction:

ProductivityVSReliability

Solution Approach 1:

The patent applies dynamics by providing vertical adjustability to the idler sprocket mounting structure. This allows the system to accommodate different horizontal positions of the gate operator while maintaining proper alignment. The vertical adjustment capability compensates for horizontal offset forces, enabling the gate operator to be positioned closer to the gate for efficient actuation without compromising the durability of the gate bracket and idler sprocket.

Inventive Principle:

Principle #15Dynamics

3Volume of moving object

If the gate operator is positioned at a lower position, then installation space is optimized, but vertical offset exerts increasing forces on the gate bracket and idler sprocket leading to rapid deterioration

Engineering Contradiction:

Improveinstallation space utilizationVSAvoidgate bracket and idler sprocket durability

Core Design Contradiction:

Volume of moving objectVSReliability

Solution Approach 1:

The patent implements parameter changes through vertical adjustment of the idler sprocket position. This allows the gate operator to be installed at lower positions to optimize space utilization while the adjustable mounting structure compensates for vertical offset forces. The idler sprocket can be repositioned vertically to eliminate excessive forces on the gate bracket, maintaining durability despite reduced installation height.

Inventive Principle:

Principle #35Parameter changes

4Ease of manufacture

If fixed mounting structures are used for the idler sprocket, then the installation is simple, but offset misplacement requires removal and rewelding of gate brackets or cumbersome modification

Engineering Contradiction:

Improveinstallation simplicityVSAvoidoffset correction difficulty

Core Design Contradiction:

Ease of manufactureVSEase of repair

Solution Approach 1:

The patent applies dynamics by transitioning from fixed mounting structures to adjustable mounting structures for the idler sprocket. The mounting structure includes adjustment mechanisms that allow vertical repositioning of the idler sprocket to correct offset misplacement. This eliminates the need for removal and rewelding of gate brackets or cumbersome modifications, while maintaining installation simplicity through a straightforward adjustment process.

Inventive Principle:

Principle #15Dynamics

Data Source

PatentUS12312853B1Retrofit gate operator with adjustable idler sprockets

Publication Date: 2025.05.27 INTELLIGENT ENTRY MASCH LLC

AI summary

A gate operator has one or more vertically adjustable idler sprockets that allow to correct for a vertical offset between a gate bracket and the idler sprockets. In preferred aspects, the idler sprockets and a motor of the gate operator are movably coupled to a mounting structure via respective mounting interfaces.