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:
Aug. 28, 2018
Filed:
May. 31, 2016
Wittur Holding Gmbh, Wiedenzhausen, DE;
Markus Leichtfried, Lunz am See, AT;
Karl Kriener, Viehdorf, AT;
René Holzer, Scheibbs, AT;
Franz Grubner, St. Georgen an der Leys, AT;
Wittur Holding GmbH, Wiedenzhausen, DE;
Abstract
An elevator system with an elevator car, elevator en guide rails, at least one braking rail, and a brake mechanism and/or safety gear that determines the elevator car movement when activated and in turn has at least one brake block that cooperates with the braking rail. The active surface of this brake block that comes into contact with the braking rail functioning as the brake lining is at least one welding bead whose surface hardness is greater than surface hardness of the braking rail. A method for manufacturing such an elevator brake block includes welding at least two welding beads on a brake lining support composed of a weldable, preferably low-alloyed steel, which constitutes the brake lining that is brought into frictional contact with the braking rail during operation.