The bow arm shown in this video is the converter for hormann canopy doors.
Canopy garage door conversion kit.
Most good quality up and over canopy doors can be easily automated using a good quality traditional boom type electric operator.
By halico garage dorrs www highpeakgaragedoors co.
Because of the unique geometry of the canopy door no horizontal tracks a special door arm conversion kit is required to automate the door.
You do however need a canopy bow arm converter kit which in principal applies forces to the top and lower part of the door panel in order to open the door successfully.
Chamberlain arm for use only with one piece canopy and dual track doors as illustrated.