Telescopic Vehicle Barrier Gate Arm with Illumination
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Solution Overview
Problem
Existing vehicle barrier gate arms longer than 8 ft. are difficult to transport and store due to their unwieldy size, leading to increased shipping and storage costs, and require crating for protection, which adds weight and bulk.
Innovation Solution
A telescopic gate arm system that can expand from 7 ft. to 17 ft., allowing for nesting during storage and shipping, and featuring removable LED light strips for enhanced visibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If gate arms are made longer to cover wider roadways, then the barrier coverage area increases, but shipping and storage costs increase exponentially
Solution Approach 1:
The gate arm is divided into multiple telescopic segments that can be nested within each other during storage and shipping. Each segment can slide in and out to adjust the overall length, allowing a single compact unit to provide multiple length configurations (7ft, 17ft, or any length in between), thereby eliminating the need to ship and store multiple separate gate arms of different lengths.
Solution Approach 2:
The gate arm segments are designed to nest within each other like Russian dolls, with smaller segments sliding inside larger ones. This nesting capability reduces the storage and shipping footprint from the full extended length (17ft) down to the base segment length (7ft), dramatically reducing carrier requirements and associated costs.
2Length of moving object
If gate arms are made longer to cover wider roadways, then the barrier coverage area increases, but the difficulty of transport and storage increases
Solution Approach 1:
The gate arm transitions from a static fixed-length structure to a dynamic telescopic structure that can change its effective length. The telescopic mechanism allows the gate arm to be compact (7ft) for transport and storage, then extend to the required length (up to 17ft) at the installation site, making it as easy to handle as a short arm while providing the coverage of a long arm.
Solution Approach 2:
The gate arm design adds the dimension of telescopic extension along its longitudinal axis, transforming it from a one-dimensional fixed-length beam into a variable-length structure. This dimensional change allows the same physical object to occupy different effective spaces depending on whether it is retracted or extended.
3Ease of manufacture
If fixed length gate arms are used, then installation is straightforward, but the gate arm cannot be adjusted to fit different roadway widths
Solution Approach 1:
The telescopic gate arm serves multiple functions within a single device: it can be configured to fit narrow roadways (7ft), wide roadways (17ft), or any intermediate width. This universal design eliminates the need to manufacture and install different fixed-length arms for different applications, as one telescopic arm can adapt to all scenarios.
Solution Approach 2:
The gate arm's effective length parameter can be changed on-site by telescoping the segments to the required length before installation. This parameter adjustment capability allows the same gate arm to be adapted to different roadway widths without requiring custom manufacturing or cutting, maintaining installation simplicity while achieving versatility.
4Manufacturing precision
If gate arms are cut to size during installation, then the fit to specific openings is improved, but sharp edges and corrosion risk increase
Solution Approach 1:
Instead of cutting the gate arm to size during installation, the telescopic mechanism pre-provides the exact length needed by extending or retracting segments before the arm is mounted. This preliminary length adjustment eliminates the need for post-manufacturing cutting, thereby avoiding the creation of sharp edges and exposed metal that would require deburring and corrosion protection.
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 telescopic gate arm system reduces storage and shipping costs by allowing for compact nesting, facilitates easier installation by allowing on-site length adjustment, and enhances visibility with removable LED lighting.
Implementation Method 1
The gate arm and individual telescopic arms include inset channels for removably receiving an array of LED lights to increase visibility and alert drivers or pedestrians to the presence of the gate arm at night.
Data Source
AI summary
A vehicle barrier system employing a first gate arm having a first continuous side wall with a first channel, a second gate arm slidably insertable into the first gate arm having a second channel, and a third gate arm slidably insertable into the second gate arm with a third channel. A fastener secures the extended gate arms to a desired length. Once extended, an LED light strip is placed through the channels. The light strip can be cut to size as necessary, wherein the length of the gate arm and associated light strip can be adjusted on site to a particular length. A controller is used to pivot the gate arm between a horizontal and vertical position to operate as a vehicle barrier.