Garage Door Opener – In the past, the garage door can only be lifted by grabbing the handle at the bottom of the door and lift it to open it and to close it you repeat the steps. Today, to open the garage door you need some kind of opener, which was discovered in the 1920’s. They can be opened by remote control or from a switch on the wall of the garage.
There are several different garage door opener in the market. Belt drive, this opener is not noisy like a chain drive. They can be installed in the garage that is beneath or next to the house. This opener is more durable and stronger than the driving seat, which is why many people prefer this one. This opening unit consists of a rubber belt instead of a steel chain.
Then drive the chain, which is the cheapest and most used. It’s easy to install this device because basically a metal chain is connected to the opening motor. You can enable it by remote control or switch. To lift the garage door upward when the main switch is turned on the opening using a sprocket and sprocket chain. This is the noisiest type of garage door opener created. C. G. Johnson makes the first type of this opening. Usually, the switch is installed in the garage wall for better access, both outside and inside.