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US 9,957,135 B2Granted
Elevator
AssigneeKone Corporation
InventorsPentti Alasentie, Johannes De Jong
Life of this patent
Estimating the term…
Abstract
An elevator includes an elevator car, a counterweight and suspension roping, which connects the elevator car and counterweight to each other, and which suspension roping includes one or more ropes, which include a load-bearing composite part, which includes reinforcing fibers in a polymer matrix. The elevator car and the counterweight are arranged to be moved by exerting a vertical force on at least the elevator car or on the counterweight. The elevator includes a device separate from the suspension roping for exerting the force on at least the elevator car or on the counterweight.
Claims19
Elevator, comprising:
- an elevator car;
- a counterweight;
- a suspension roping, which connects the elevator car and counterweight to each other, and comprises one or more ropes, each rope comprising a load-bearing composite part, which comprises reinforcing fibers in a polymer matrix;
- a traction roping connected to the elevator car and the counterweight by being suspended to hang from the elevator car and from the counterweight;
- and
- a motorized traction device separate from the suspension roping and configured to exert a vertical force on at least the elevator car or on the counterweight via the traction roping,
- wherein the elevator car and the counterweight are arranged to be moved by exerting the vertical force on at least the elevator car or on the counterweight, and
- wherein the traction roping includes a first portion suspended by the elevator car and a second portion suspended by the counterweight, and a suspension ratio of the first portion of the traction roping and the second portion of the traction roping is 2:1.
5 more elements
Dependencies are inferred from the claim text.