The chain drive and belt drive utilize a similar system.
How does a garage roller door work.
The sprocket driven by the gear moves the chain or belt to open and close the garage door.
As the door raises each slat separates from the garage door and wraps neatly above the door into a small tidy roll.
This locks the roller shutter using a unique design that prevents it from being pried open by an unwanted intruder.
First of all there s the patented locking system.
The machine kicks in to arrest the door s motion or to make adjustments if a door isn t opening or closing completely.
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Garolla garage doors are equipped with a number of features that make them a formidable opposition for burglars.
All roller garage doors are made from small individual slats that fit flush alongside each other.
Then there s the bottom security slat.
The opener motor is attached to a gear and.
Take a quick jump here or read the overview below.
Advantages of roller garage doors.
This system utilizes a slider that the screw drives when opening and closing.
The garage door moves up and down in a track guided by the garage door rollers.
That allows the roller shutters to wrap around each other when the garage door is opened.