Elevator system
OwnerShinsuke Nagasawainventor
Life of this patent
Estimating the term…
Abstract
An elevator system capable of reducing the overall installation area of elevators in a building while ensuring the number of passengers in the elevator. The elevator system arranges first and second elevator cars in a single elevator hoistway, having, at a lower portion of each of the first and second elevator cars, respectively, a pair of undercar pulleys are positioned to turn ropes vertically on the outer sides of the first and second elevator cars and horizontally at the bottom, where the arranging direction of the pair of the under-car pulleys of the first elevator car intersects with the arranging direction of the pair of under-car pulleys of the second elevator car when projected onto a horizontal plane.
Claims5
An elevator system, in which first, second, and third elevator cars are arranged, in order from the bottom, in a single elevator hoistway, the elevator system comprising:
- a pair of under-car pulleys positioned on the lower portions of the first and second elevator cars, respectively, configured to turn ropes vertically on the outer sides of the first, second, and third elevator cars and horizontally on the bottom of the first and second elevator cars, and an arrangement direction of the under-car pulley pair of the first elevator car intersects an arrangement direction of the under-car pulley pair of the second elevator car when projected onto a horizontal plane, and
- a single upper pulley positioned at a center on a ceiling position of the third elevator car in a way that a rope of the third elevator car does not interfere with the ropes of the first and second elevator cars.
Dependencies are inferred from the claim text.