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US 6,305,499 B1Granted
Drum drive elevator using flat belt
AssigneeOtis Elevator Company
InventorsDavid W. Jones, Yuji Kanzaki, Tadaaki Nabetani, Toshimitsu Mori, Shusaku Shibasaki, Yasuhisa Shioda, Hiroaki Tateno
Life of this patent
Estimating the term…
Abstract
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.
Claims4
An elevator system comprising:
- an elevator car traveling within a hoistway;
- a drive assembly including a drive drum disposed in the hoistway at a location below the travel path of the car;
- and
- a pair of drive belts, each having one end fixed to said elevator car and each having the other end fixed to said drive drum, whereby said elevator car is suspended by said belts and is selectively moved by rotating said drive drum such that said pair of drive belts wrap over each other on said drive drum, and wherein each of said belts extends from said drive drum in a direction opposite of the other of said belts.
1 more element
Dependencies are inferred from the claim text.