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:
Feb. 08, 2022
Filed:
Jun. 28, 2019
Applicant:
Kone Corporation, Helsinki, FI;
Inventor:
Jaakko Kalliomäki, Hyvinkää, FI;
Assignee:
KONE CORPORATION, Helsinki, FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B66B 5/22 (2006.01); B66B 7/06 (2006.01); B66B 11/02 (2006.01); B66B 17/12 (2006.01); B66B 5/04 (2006.01);
U.S. Cl.
CPC ...
B66B 5/22 (2013.01); B66B 7/068 (2013.01); B66B 11/02 (2013.01); B66B 17/12 (2013.01); B66B 5/04 (2013.01);
Abstract
A safety gear system for an elevator has a main static mass, an auxiliary static mass and a dynamically changing mass, wherein the dynamically changing mass changes in accordance with the travel of the main static mass. The safety gear system includes at least one first safety gear which is configured to brake the auxiliary static mass by a constant braking force, and at least one second safety gear which is configured to brake the main static mass and the dynamically changing mass by an adjustable brake force which is adjustable in accordance with the change of the dynamically changing mass.