US 12,459,784 B2
Elevator system with compensation chains having variable densities
Juan Cortes Rodriguez, Singapore (SG)
Assigned to OTIS ELEVATOR COMPANY, Farmington, CT (US)
Filed by OTIS ELEVATOR COMPANY, Farmington, CT (US)
Filed on Jan. 10, 2024, as Appl. No. 18/409,263.
Prior Publication US 2025/0223134 A1, Jul. 10, 2025
Int. Cl. B66B 7/06 (2006.01); B66B 19/00 (2006.01)
CPC B66B 7/068 (2013.01) [B66B 19/00 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An elevator system, comprising:
an elevator car;
a counterweight;
compensation cables connecting the elevator car to the counterweight,
wherein the compensation cables have a same cable length as each other and each extends from a first end to a second end,
wherein the compensation cables are each divided into segments, wherein along each of the compensation cables, the segments are connected to one another end-to-end, such that the segments are distributed along the cable length, and each of the segments has a same segment length as each of the other segments, and
wherein, in each of the compensation cables, adjacent ones of the segments have a segment density that differs from each other.