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. 02, 2016
Filed:
Dec. 22, 2011
Thomas Wüest, Hochdorf, CH;
René Strebel, Buttwil, CH;
Lukas Zeder, Huddinge, SE;
Urs Schaffhauser, Root, CH;
Christoph Schuler, Cham, CH;
Beat Brügger, Lucerne, CH;
Thomas Wüest, Hochdorf, CH;
René Strebel, Buttwil, CH;
Lukas Zeder, Huddinge, SE;
Urs Schaffhauser, Root, CH;
Christoph Schuler, Cham, CH;
Beat Brügger, Lucerne, CH;
Inventio AG, Hergiswil, CH;
Abstract
An elevator cage is movable in an elevator shaft, wherein a ventilating device is fastened to a cage outer surface, wherein this ventilating device forms at least one ventilation channel, wherein the at least one ventilation channel has at least one primary ventilation opening enabling an air exchange between the ventilation channel and the elevator shaft, wherein at least one of the cage outer surfaces has at least one secondary ventilation opening enabling an air exchange between a cage interior space and the at least one ventilation channel, with at least one element of insulating material, and wherein the at least one element substantially determines a path of the at least one ventilation channel.