133722 ⎘
Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by push-pull mechanisms using friction wheels
Vehicle hinge driving apparatus
#2MOTORIZED DOOR OPENING DEVICE
#3Door operator having an automated roller
#4Hinge-based door control system
#5Motorized door opening device
#6LATCH MECHANISM FOR FOLDING DOOR OR WINDOWS
#7Automatic door opening and closing device
#8AUTOMATIC DOOR CONTROL SYSTEM
#9Door opening and closing apparatus
#10Automatic portable door operating system