B - Operations – Transporting – 66 – B
Patent
B - Operations, Transporting
66
B
268/45
B66B 13/06 (2006.01)
Patent
CA 1216869
Elevator Door Operator Abstract An elevator door operator includes a motor which drives a worm gear. This worm gear controls the motion of a block which contains retractable members that engage rollers on the hall door, and which engage a block which is connected to the car door. When the car doors are fully closed, these members are fully retracted.
450614
Leiner Robert L.
Salmon John K.
Gowling Lafleur Henderson Llp
Otis Elevator Company
LandOfFree
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