Counterweight arrangement for an elevator and an elevator

US9561937B2 · kind B2 · utility

Assignee

• Kone Corporation · FI

Inventors

• Razvan Albu · Hyvinkää, FI
• Erno Lehikoinen · Saukkola, FI
• Niko Forsström · Hyvinkää, FI

Key dates

• Filing date: Feb 28, 2014
• Grant date: Feb 7, 2017
• Expiry date: Mar 22, 2035

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B66B17/12
• WIPO field: Handling
• WIPO sector: Mechanical engineering

Abstract

A counterweight arrangement for an elevator, includes a first vertical guide rail and a second vertical guide rail, the guide rails defining a vertical guide rail plane, a counterweight arranged to travel between the guide rails guided by the guide rails, the counterweight including a frame, which includes a first upright beam and a second upright beam and a cross beam connecting the upper ends of the upright beams, and a diverting pulley mounted between the guide rails on the cross beam of the counterweight frame, the pulley having a vertical plane of rotation, which crosses the guide rail plane. The cross beam is aligned parallel with the plane of rotation of the pulley. An elevator includes the aforementioned counterweight arrangement.