Elevator safety device

US11414297B2 · kind B2 · utility

Assignee

• OTIS ELEVATOR COMPANY · US

Inventors

• Peter Herkel · Berlin, DE
• Mustapha Toutaoui · Berlin, DE
• Ralph S. Stripling · Berlin, DE
• Sven Knuth · Berlin, DE
• Raphael Pecek · Berlin, DE

Key dates

• Filing date: Jul 24, 2018
• Grant date: Aug 16, 2022
• Expiry date: Jun 12, 2041

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B66B5/0056
• WIPO field: Handling
• WIPO sector: Mechanical engineering

Abstract

An elevator safety device (120) is configured for restricting the movement of an elevator car (106) of an elevator system (102) along its pathway in order to prevent the elevator car (106) from moving beyond at least one limit position. The elevator safety device (120) is configured for performing at least one learning run (220a, 220b) for setting the at least one limit position.