Gate operator
From Wikipedia, the free encyclopedia
A gate operator is a mechanical device used to open and close a gate, such as one at the end of a driveway.
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[edit] Mechanism types
[edit] Electric
Drawing power from the mains to open a driveway gate. Generally there are four types of electromechanical gate operator: Worm driven (or screw type) swing gates, articulated arm swing gate operators and underground swing gate operators and motors for sliding gates.[1] Electric and automatic gate openers are designed for both sliding and swinging gates and fences. They can be programmed to open with a manual device or a wireless transmitter. Automatic gate operators can also be fitted with solar panels to ensure function during blackouts or loss of electricity.
[edit] Hydraulic
These are used to automatically open an automatic driveway gate. As the name implies they use hydraulic fluids to operate their motion. Typically they have less moving parts.[clarify]
[edit] Safety
It is vital to consider the safety of an electric gate. An unprotected automatic gate is a potential hazard for users. As such manufacturers offer a range of safety accessories including photoelectric cells, safety edges and induction loop systems.[2]
