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:
May. 18, 2021
Filed:
Jul. 11, 2018
Applicant:
Otis Elevator Company, Farmington, CT (US);
Inventors:
Juan Quiles, Rivasvaciamadrid, ES;
Antonio De Miguel Urquijo, Madrid, ES;
Gianluca Foschini, Madrid, ES;
Assignee:
OTIS ELEVATOR COMPANY, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E05B 65/00 (2006.01); B66B 5/00 (2006.01); B66B 13/24 (2006.01); E05B 67/00 (2006.01);
U.S. Cl.
CPC ...
B66B 5/005 (2013.01); B66B 13/245 (2013.01); E05B 65/00 (2013.01); E05B 67/00 (2013.01);
Abstract
A blocking device () for blocking access to an door unlocking device () of an elevator system () comprises: an outer element (), which is introducible into an access opening () providing access to the door unlocking device (); and an inner element (), which is introducible into the outer element (). The inner element () is configured for bringing the blocking device () into a fixing configuration, in which the outer element () is fixedly engaged with the access opening (), by introducing the inner element () into the outer element ().