We Never Leave A Door Open

What Is An Overhead Door Operator?

LiftMaster commercial overhead door operatorAn overhead door operator is a mechanized device used to open and close overhead doors, such as garage doors, with the press of a button or a remote control. Here are some key features of these operators:

Mechanism

The operator typically includes a motor that drives a trolley connected to the door. As the trolley moves along a track, it either pulls the door open or pushes it closed.

Drive Systems

The operator typically includes a motor that drives a trolley connected to the door. As the trolley moves along a track, it either pulls the door open or pushes it closed.

There are several types of drive systems used in overhead door operators:

  • Chain Drive – Uses a metal chain to pull or push the trolley along the track. It’s durable and cost-effective but can be noisy.
  • Belt Drive – Utilizes a belt instead of a chain, which makes it quieter while still being reliable.
  • Screw Drive – Features a threaded steel rod that moves the trolley. This system is appreciated for its durability and minimal maintenance needs.
  • Direct Drive – The motor itself moves along the track, operating the door directly. This system tends to be very quiet and has few moving parts.

Power Source and Backup

These devices are primarily powered by electricity, but many models come with battery backups to ensure functionality during power outages.

Controls and Accessibility

Modern units often include remote controls, wall-mounted keypads, and may even feature smartphone connectivity for remote operation and monitoring via an app.

Safety Features

  • Auto-reverse – If the door encounters an obstruction while closing, it automatically reverses direction to prevent injury or damage.

  • Safety Sensors – Typically placed near the bottom of the door track, these sensors stop and reverse the door if an object interrupts their line-of-sight, enhancing safety.

  • Security Features – Advanced security features like rolling code technology prevent unauthorized access by changing the access code each time the remote is used.

Overall, overhead door operators offer convenience and enhance safety and security for residential and commercial properties.