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:
Sep. 28, 2021
Filed:
Mar. 22, 2017
Inventio Ag, Hergiswil, CH;
Florian Dold, Bremgarten, CH;
Volker Zapf, Kriens-Obernau, CH;
INVENTIO AG, Hergiswil, CH;
Abstract
An elevator installation wherein damage to a support for an elevator car and a counterweight, in particular damage to a sheath of the support, advantageously can be detected. At the elevator installation, a housing at least partially extending around the support, for example at a deflecting roller arrangement. A surface of the housing facing the support is electrically conductive and is electrically grounded. If the support or a wire coming out of the damaged support comes in contact with the housing, an electrical ground fault results. The ground fault can be detected by a security monitoring unit by monitoring a current flowing through the wires of the support, and the damage to the support can thus be inferred.