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:
Dec. 10, 2013
Filed:
Feb. 08, 2011
Applicant:
Reto Tschuppert, Lucerne, CH;
Inventor:
Reto Tschuppert, Lucerne, CH;
Assignee:
Inventio AG, Hergiswil, CH;
Primary Examiner:
Int. Cl.
CPC ...
B66B 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An elevator installation has a first cage pair a second cage pair, both movable in an elevator shaft. Cages of a cage pair can move simultaneously in opposite directions within the shaft. In the shaft is a change zone which allows the cages of the cage pair to change between sides of the shaft while in upward or downward motion.