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. 23, 2010
Filed:
Jan. 11, 2005
Applicants:
Dirk Heinrich Tegtmeier, Berlin, DE;
Herbert Karl Horbruegger, Berlin, DE;
Michael Mann, Berlin, DE;
Kristian Bernhard Wittjen, Teltow, DE;
Inventors:
Dirk Heinrich Tegtmeier, Berlin, DE;
Herbert Karl Horbruegger, Berlin, DE;
Michael Mann, Berlin, DE;
Kristian Bernhard Wittjen, Teltow, DE;
Assignee:
Otis Elevator Company, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66B 1/32 (2006.01);
U.S. Cl.
CPC ...
Abstract
Method for performing an elevator rescue run in an emergency situation, the elevator comprising and elevator car, a counter weight, a rope suspending the car and the counterweight, a drive motor, an emergency brake for stopping the car in an emergency situation, and a motor drive unit for supplying drive power to and for controlling the drive motor, having the following rescue run sequence steps: