Swinging door frame

Swinging door hinge

Swinging door hinge assembly

Swinging sliding door for rail vehicles

Swivel-sliding door system for a vehicle

System and apparatus for control of a pneumatic door operator

System and method for a moveable barrier operator

System and method for adapting to barrier nuisances and...

System and method for automatically requiring secondary...

System and method for control of multiple barrier operators

System and method for controlling passage through a gate of...

System and method for controlling speed of a closure member

System and method for controlling velocity and detecting...

System and method for determining barrier motor parameters...

System and method for dynamic braking a vehicle closure system

System and method for establishing a reference angle for...

System and method for improving the wear life of a brake...

System and method for measuring force in a barrier operator...

System and method for operating a barrier with a light...

System and method for operating a barrier with a timer