Patent · US Active

Ropeless elevator propulsion system

US11673773B2 · kind B2 · utility

0Cited by

4References

19Claims

0Family size

Assignee

OTIS ELEVATOR COMPANY · US

Inventors

Justin Billard · Amston, US
Randy Roberts · Hebron, US
Kiron Bhaskar · Farmington, US
Kyle Martin · Avon, US

Key dates

Filing date	Nov 7, 2020
Grant date	Jun 13, 2023
Priority date	—
Expiry date	Dec 18, 2040

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB66B11/043
WIPO fieldHandling
WIPO sectorMechanical engineering

Abstract

According to an embodiment, an elevator system including: a beam climber system configured to move an elevator car through an elevator shaft by climbing a first guide beam that extends vertically through the elevator shaft, the first guide beam including a first surface and a second surface opposite the first surface, the beam climber system including: a first wheel; a second wheel; a first traction belt wrapped around the first wheel and the second wheel, the first traction belt being in contact with the first surface; and a first electric motor configured to rotate the first wheel, wherein the first traction belt is configured to rotate when the first wheel rotates.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.