Drum drive elevator using flat belt
 An elevator system (10) includes an elevator car (18) supported for vertical movement on a belt (16) having an end fixed to the hoistway (26) and the other end wound about a drum (32) of a drum drive (12). When the belt (16) is wound or unwound about the drum (32), the elevator car (18) is raised or lowered, respectively. 
Otis Elevator Company
B
B66B
inventional
Tadaaki Shusaku Toshimitsu Yuji Hiroaki Yasuhisa David W.
Nabetani Shibasaki Mori Kanzaki Tateno Shioda Jones