Adjustable Traffic Gate Arms for Road Width Adaptability

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Traditional traffic gates are often too short to span roadways effectively, leading to damage and visibility issues, as they are not easily adjustable to accommodate varying road widths and are difficult to see, resulting in safety concerns.

Innovation Solution

A traffic gate apparatus featuring pivotally connected elongate arms with adjustable lengths, telescopically extendible portions, and a torsion spring mechanism that allows for easy height adjustment and motorized operation, ensuring the arms can be raised and lowered efficiently without requiring excessive force.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If a simple crossing arm of predetermined length is used, then the device complexity is reduced, but the adaptability to different road widths deteriorates

Engineering Contradiction:
Improvestructure complexityVSAvoidroad width adaptability
Core Design Contradiction:
Device complexityVSAdaptability or versatility

Solution Approach 1:

The traffic gate arm incorporates a telescopic mechanism that allows the arm length to be dynamically adjusted between retracted and extended positions, enabling the same structure to adapt to varying road widths while maintaining operational simplicity

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The crossing arm is divided into multiple telescopic segments that can extend and retract independently, allowing the arm to achieve variable lengths without requiring completely different structures for each road width configuration

Inventive Principle:
Principle #1Segmentation

2Ease of manufacture

If the crossing arm is made short to reduce complexity, then the ease of manufacture is improved, but the reliability deteriorates due to damage from drivers going around

Engineering Contradiction:
Improvemanufacturing simplicityVSAvoidarm durability
Core Design Contradiction:
Ease of manufactureVSReliability

Solution Approach 1:

The telescopic mechanism allows the arm to dynamically extend to sufficient lengths to span various road widths, preventing drivers from going around while maintaining a compact retracted position that is easier to manufacture and install

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The arm transitions between two dimensional states (retracted and extended), providing the benefits of both short and long arms depending on the operational requirement, thus improving reliability without permanently increasing manufacturing complexity

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

3Device complexity

If the crossing arm is made small to reduce size, then the device complexity is reduced, but the illumination intensity deteriorates due to difficulty in visibility

Engineering Contradiction:
Improvestructure simplicityVSAvoidarm visibility
Core Design Contradiction:
Device complexityVSIllumination intensity

Solution Approach 1:

The arm can extend to larger sizes when needed for visibility and illumination purposes, while maintaining a compact form when not in use, thus improving visibility without permanently increasing structural complexity

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The arm incorporates reflective surfaces and illuminated elements that enhance visibility during nighttime or low-light conditions, allowing the arm to be effectively 'seen' without increasing its physical size or structural complexity

Inventive Principle:
Principle #32Color changes

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

The solution provides a robust and adjustable traffic gate that can span a range of road widths, reducing damage and improving visibility, allowing for easy operation and enhanced safety by ensuring the arms can be raised and lowered with minimal effort, even manually.

Implementation Method 1

A traffic gate apparatus featuring pivotally connected elongate arms with adjustable lengths, telescopically extendible portions, and a torsion spring mechanism that allows for easy height adjustment and motorized operation, ensuring the arms can be raised and lowered efficiently without requiring excessive force

Methodology Applied
Scientific EffectTorsion spring: Torsion Spring

Data Source

PatentUS10689816B1Traffic gate
Publication Date: 2020.06.23 SAFE RACK LLC
  • US10689816B1 patent drawing
  • US10689816B1 patent drawing
  • US10689816B1 patent drawing

AI summary

A traffic gate apparatus comprises an upstanding pedestal. A first elongate arm is also provided having a proximal end and a distal end, with the proximal end of the first elongate arm being pivotally connected to the pedestal at a first pivot axis. A second elongate arm has a proximal end and a distal end, with the proximal end of the lower elongate arm being pivotally connected to the pedestal at a second pivot axis. The second pivot axis is below the first pivot axis such that the first and second elongate arms are movable between a lowered position, in which the first and second elongate arms are generally horizontal and parallel with the first elongate arm being above said second elongate arm, and a raised position. The first and second elongate arms each have an adjustment mechanism such that a length thereof can be varied.