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:
Jun. 20, 2023
Filed:
Jun. 24, 2021
Kone Corporation, Helsinki, FI;
Janne Laine, Helsinki, FI;
Veijo Manninen, Helsinki, FI;
Tuukka Korhonen, Helsinki, FI;
Matti Rasanen, Helsinki, FI;
Jorma Mustalahti, Helsinki, FI;
Ville Myyrylainen, Helsinki, FI;
Tarvo Viita-Aho, Helsinki, FI;
Henri Wenlin, Helsinki, FI;
Kone Corporation, Helsinki, FI;
Abstract
A safety gear arrangement for an elevator system, comprising a safety gear mechanism comprising at least one wedge portion of the safety gear arrangement, wherein, in a normal position, the at least one wedge portion is retracted and, in an operated position, extended by a first spring element for acting on a guide rail of the elevator system, and a triggering device comprising an electromagnet, a second spring element, an actuating member, and an excitation power input, wherein the electromagnet is arranged, while being supplied with excitation power, to maintain the actuating member in an untriggered position against the second spring element, and the actuating member is arranged to operate the safety gear mechanism in response to moving of the member from the untriggered to a triggered position due to the second spring element.