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:
Dec. 15, 2015
Filed:
Aug. 27, 2012
Esko Aulanko, Kerava, FI;
Matti Räsänen, Hyvinkää, FI;
Sakari Korvenranta, Hyvinkää, FI;
Raimo Pelto-huikko, Vantaa, FI;
Esko Aulanko, Kerava, FI;
Matti Räsänen, Hyvinkää, FI;
Sakari Korvenranta, Hyvinkää, FI;
Raimo Pelto-Huikko, Vantaa, FI;
Kone Corporation, Helsinki, FI;
Abstract
The object of the invention is a method for modernizing an elevator, and a traction sheave elevator, which elevator comprises at least an elevator car and a traction sheave that moves the elevator car by means of elevator ropes, the rim of which traction sheave comprises one or more rope grooves. In connection with modernization a traction sheave is installed as the traction sheave of the elevator, the rope grooves of which traction sheave comprise a material, the frictive traction achieved by which is greater than the frictive traction between the parent material of the metallic traction sheave and the elevator ropes.