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. 26, 2014
Filed:
Dec. 21, 2009
Gert Silberhorn, Merlischachen, CH;
Hans Kocher, Udligenswil, CH;
Steffen Grundmann, Bonstetten, CH;
Gert Silberhorn, Merlischachen, CH;
Hans Kocher, Udligenswil, CH;
Steffen Grundmann, Bonstetten, CH;
Inventio AG, Hergiswil, CH;
Abstract
An elevator installation includes a first elevator car and a second elevator car, each having a respective braking device, and a safety system that monitors the elevator cars. The safety system has for each braking device a braking force regulating device for regulating a braking force of the respective braking device. The safety system activates at least one of the braking devices by the associated braking force regulating device in order to prevent collision of the first elevator car with the second elevator car.