Temperature actuated keying device for use in an automatic...
Tensioning device for cable window lifter
The mechanism for opening and closing a garage door
Thermal control cable
Thermally controlled release mechanism
Thermally released closer for fire doors
Thermally sensitive array devices for presence detection...
Thermo-responsive latch
Thresher feed mechanism
Tilt sash spring system
Torque rod operated counterbalancing hinge and door assembly
Torque sensing unit
Torsion rod cover support
Torsion rod hinge construction
Torsion spring assembly
Torsion spring tensioning apparatus
Torsionally balanced hatchway door constructions
Totally enclosed door check
Touch-sensitive door control device
Traffic responsive control system for automatic swinging door