81926 ⎘
Applications of checking, fault-correcting, or safety devices in elevators; Buffer-stops for cars, cages, or skips mounted on cars or counterweights between two cars or two counterweights
BUFFERING DEVICE FOR MULTIPLE-CAR ELEVATOR SYSTEM
#2Counterweight With Partially Imbedded Buffer
#3Frangible Buffer For An Elevator System With Multiple Cars In A Hoistway
#4Collison prevention in hoistway with two elevator cars