The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 19, 2016
Filed:
Jun. 03, 2003
Esko Aulanko, Kerava, FI;
Jorma Mustalahti, Hyvinkaa, FI;
Pekka Rantanen, Hyvinkaa, FI;
Simo Makimattila, Espoo, FI;
Esko Aulanko, Kerava, FI;
Jorma Mustalahti, Hyvinkaa, FI;
Pekka Rantanen, Hyvinkaa, FI;
Simo Makimattila, Espoo, FI;
KONE CORPORATION, Helsinki, FI;
Abstract
An elevator may include: a hoisting machine; hoisting ropes; a traction sheave that includes grooves; a counterweight; an elevator car; counterweight guide rails; and elevator car guide rails. Each hoisting rope may include steel wires of circular, non-circular, or circular and non-circular cross-section, twisted together to form strands. The strands of each hoisting rope may be twisted together to form the hoisting rope. A thickness of each hoisting rope may be greater than or equal to 2.5 mm and less than or equal to 8 mm. Each hoisting rope individually may contact one of the grooves. A cross-sectional area of the steel wires may be greater than 0.015 mmand less than 0.2 mm. The strength of the steel wires may be greater than 2300 N/mmand less than 2700 N/mm.