Door maneuvering arrangement
Door mounted operating mechanism for an overhead door
Door opener
Door opener apparatus with power transfer mechanism
Door operator system
Door operator system
Door operator system
Door with a weight-balancing device with helical springs
Drawbar arm for door operator
Driving and guiding apparatus for a horizontally pivoted wing
Dual-cam guided four-bar linkage mechanism for an overhead bagga
Eccentrically mountable plug for counterbalancing systems of...
Electric-fence gate
Electrically actuated overhead garage door opener assembly
Folding screw and rail assembly for a garage door opener
Garage door assemblies
Garage door locking mechanism
Garage door opener
Garage door operation control apparatus
Garage door operator