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:
Nov. 17, 2009
Filed:
Jan. 17, 2007
Applicants:
Philippe Henneau, Zurich, CH;
Carlos Yankelevich, Ponte Capriasca, CH;
Christoph Liebetrau, Menziken, CH;
Inventors:
Philippe Henneau, Zurich, CH;
Carlos Yankelevich, Ponte Capriasca, CH;
Christoph Liebetrau, Menziken, CH;
Assignee:
Inventio AG, Hergiswil NW, CH;
Primary Examiner:
Int. Cl.
CPC ...
B66B 1/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of operating an elevator system with a drum for taking up a suspension device, a drive unit for driving the drum, and a control unit for controlling the drive unit, includes operating the control unit of the drive unit to prescribe a rotational speed that depends on a length of the suspension device that is rolled onto the drum. Also included is an elevator system in which the method can be used.