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US 2017/0369280 A1Published application
Buffering device for multiple-car elevator system
AssigneeOtis Elevator Company
InventorRandall Keith ROBERTS
Life of this patent
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Abstract
An elevator system includes a first elevator car (14A) supported for vertical movement in a lane (11, 13, 15, 17) of a hoistway (11). A second elevator car (14B) is configured to operate and move vertically in the lane (11, 13, 15, 17) below the first elevator car (14A) independently thereof. At least one buffering device (34) is supported on at least one of the elevator cars (14) to absorb energy upon contact between each buffering device (034) and the other elevator car (14).
Claims16
An elevator system comprising:
- a first elevator car supported for vertical movement in a lane of a hoistway;
- a second elevator car configured to operate and move vertically in the lane below the first elevator car independently thereof;
- and
- at least one buffering device supported on at least one of the elevator cars to absorb energy upon contact between each buffering device and the other elevator car.
1 more element
An elevator system comprising:
- a first elevator car supported for vertical movement in a lane of a hoistway;
- a second elevator car configured to operate and move vertically in the lane below the first elevator car independently thereof;
- a transfer station for imparting horizontal movement to the first elevator car and the second elevator car;
- and
- at least one buffering device supported in the transfer station to absorb energy upon contact between each buffering device and the other elevator car.
2 more elements
Dependencies are inferred from the claim text.