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:
Aug. 28, 2007
Filed:
Mar. 16, 2005
Applicants:
René Strebel, Merenschwand, CH;
René Hoffmann, Steinhausen, CH;
Urs Schaffhauser, Root, CH;
Inventors:
Assignee:
Inventio AG, Hergiswil NW, CH;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B66B 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A multi-stage elevator car has equipment for fine positioning of the cars wherein the car thresholds are positionable at the level of the floor thresholds. The fine positioning adjusting equipment operates on the principle of a double lever and moves a car frame along a path (Δz).