FB Mecasystem

What is a tripod turnstile: main characteristics and features

A tripod turnstile is an access control device composed of three arms pivoting around a central axis. This design forms a passage that can be controlled to allow or prevent the passage of individuals.

Tripod turnstiles, also called tri-fold turnstiles, are security devices access control which play a vital role in various environments to regulate the flow of people.  It is often used in high-traffic areas, such as public building entrances or amusement park entrances. Explore the key features and functionality of these devices to understand their usefulness.

Tripod turnstile how it works

The basic mechanism of a tripod turnstile is simple. The three arms are connected to a central axis. When a person goes through the turnstile, they must insert their card or key into a reader. Once the card or key is validated, the turnstile unlocks and the person can pass.

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Tripod turnstile gate construction

The tripod turnstile door mechanism is based on a system of pivoting arms around a central axis. The arms are connected to a locking mechanism that allows their movement in only one direction. When a person passes with valid authorization, the arm temporarily unlocks, allowing passage.

The unlocking mechanism of a tripod turnstile is generally operated by an electric motor. The motor rotates the central axis, which causes the movement of the three arms.

The motor can be controlled by an electronic system or by a manual switch. The electronic system is generally used in modern tripod turnstiles. It allows you to control the turnstile remotely and program it to perform specific actions, such as automatically closing at a certain time.

The tripod turnstile gate structure typically includes a sturdy housing that houses the mechanism. The arms of the tripod turnstile are positioned in a balanced manner, allowing for smooth movement when an authorization is detected. These characteristics of the tripod turnstile guarantee reliable and durable use.

Features of the tripod turnstile typically include its ability to operate autonomously, requiring minimal intervention. In addition, the robustness of its construction ensures durability in the face of intensive daily use.

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Types of tripod turnstile gates

There are several types of tripod turnstiles depending on their mode of activation. Some are manual and require human intervention, while others are automatic, featuring electronic sensors for more sophisticated control.

There are several types of tripod turnstile doors. The most common types are:

  • Tripod turnstile with fixed arms –  the arms of this type of turnstile are fixed. They only move when the turnstile is unlocked.
  • Tripod turnstile with movable arms – the arms of this type of turnstile are movable. They can rotate to allow people to pass.
  • Tripod turnstile with rotating arms – the arms of this type of turnstile rotate continuously. People must wait for the arms to separate before they can pass.

Functions of the tri-fold turnstile

The primary function of a tri-fold turnstile is to regulate the flow of people through a specific access point. It can be used to ensure that only authorized people enter a given location, improving security and control.

They can be used for:

  1. Prevent unauthorized access to an area
  2. Count the number of people entering an area
  3. Collect data on people entering an area

Tripod turnstiles perform several crucial functions in the field of access control. They not only serve as a physical barrier but can also be integrated with sophisticated electronic systems for more advanced access control. Some models also offer the possibility of integrating card readers, fingerprint scanners, or other biometric devices.

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Characteristics of a three-pronged turnstile

Tripod turnstiles are designed to be durable and easy to use. They are usually made of metal or plastic. They are also designed to be weather resistant.

The main characteristics of a tripod turnstile are:

  • The three arms are connected to a central axis. They control the movement of people.
  • The unlocking mechanism allows you to control the movement of the arms. It is usually powered by an electric motor.
  • The security system prevents people from passing without authorization. It can consist of a card reader, a key reader or a manual switch.

Where to use a tripod harness

The decision to use a three-pronged turnstile depends on the application context. Tripod turnstiles are used in many locations including:

  • Entrances to public buildings. Tripod turnstiles are often used to control access to public buildings, such as hospitals, schools and government offices.
  • Amusement park entrances. Tripod turnstiles are often used to control access to amusement parks.
  • Entrances to secure areas. Tripod turnstiles are often used to control access to secure areas, such as military bases or airports.

Pricing for tripod turnstiles

When considering purchasing a tripod turnstile, taking cost into account is crucial. Prices for tripod turnstiles fluctuate depending on various factors such as additional features and quality of assembly. Finding a balance between cost and necessary features is essential to effectively meeting the specific needs of your business or institution.

The cost of a tripod turnstile depends on the material of manufacture, whether AISI304 or AISI316L stainless steel, and its mechanism (automatic or semi-automatic descent support), depending on the installation location .

The stability and low power consumption of FB Mecasystem models Tezey, Minos and Crystal make them essential in places with intense traffic requiring a moderate level of security. Our engineers have meticulously studied the entire design process in order to offer turnstiles with unrivaled value for money, whatever the version or finish chosen.

FB Mecasystem tripod turnstiles are available in single or double leg versions. These two configurations allow easy installation, whether in tight spaces or halls with heavy traffic. They are designed to combine robustness and performance, suitable for both indoor and outdoor use, fixed or mobile (public transport version), permanent or temporary (for events such as exhibitions, concerts, Christmas markets, etc. ).

You can familiarize yourself with our tripod turnstiles in more detail by following the link:

In conclusion, the tripod mechanism of a tripod turnstile defines its essential functioning. These devices, with their different characteristics, provide an effective solution for access control in various environments. Whether to reinforce security in an office or to manage visitor flows in a stadium, tripod turnstiles remain a versatile and effective solution. Tripod turnstiles are effective devices for controlling traffic and maintaining security.

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