Drive nut assembly for a door operator
Driving apparatus for doors
Dual-slider window regulator with three flexible, inextensible d
Electrically operated closure actuator
Electrically operated slidable door actuator
Electro-mechanical door opening and closing device
Electronic control and method for power sliding van door with re
Electronic control and method for power sliding van door...
Encased overhead door operator having threadably attached...
Feeder arrangement of sliding door
Foot clutch for automatic gate opener
Force transmission element on a sliding gate
Garage door operator having vibration damper for noise reduction
Garage door operator with plastic drive belt
Garage door operator with plastic drive belt
Gate-opening and closing assembly
Guide assembly for sliding doors or pivotable sliding doors...
Guide assembly for sliding doors or pivotable sliding doors...
Hinge mechanism for a sliding door
Hydraulic door operator