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:
Oct. 06, 2015
Filed:
Oct. 29, 2009
Applicants:
Juergen Gewinner, Berlin, DE;
Stefan Lothar Seelmann, Berlin, DE;
Inventors:
Juergen Gewinner, Berlin, DE;
Stefan Lothar Seelmann, Berlin, DE;
Assignee:
OTIS ELEVATOR COMPANY, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66B 1/08 (2006.01); B66B 13/14 (2006.01);
U.S. Cl.
CPC ...
B66B 13/143 (2013.01);
Abstract
The present invention relates to an elevator door controller system for operating doors of an elevator car. The system includes a travelling cable for delivering DC power to the car. The car includes a power storage device for storing DC power from the travelling cable, a DC motor for operating the car doors, and an elevator door drive powered by the power storage device for driving the DC motor to operate the car doors.