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:
Mar. 16, 2021
Filed:
Dec. 14, 2017
Otis Elevator Company, Farmington, CT (US);
Peter Herkel, Berlin, DE;
Dirk H. Tegtmeier, Berlin, DE;
OTIS ELEVATOR COMPANY, Farmington, CT (US);
Abstract
An elevator system () comprises: a hoistway () extending between a plurality of landings (); at least one hoistway door () allowing access to the hoistway (); an elevator car (), which is configured to move along the hoistway (); at least one safety (), which is attached to the elevator car () and configured to stop any movement of the elevator car () when activated; an electronic safety actuator (), which is configured to activate and deactivate the at least one safety (); and a door safety switch (), which is configured to monitor the at least one hoistway door () and which is connected with the electronic safety actuator in order to allow activating the at least one safety (), if the door safety switch () detects that the at least one hoistway door () is not closed.