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:
Apr. 28, 1992
Filed:
Oct. 24, 1990
Applicant:
Inventor:
Ralf Ekholm, Helsinki, FI;
Assignee:
Kone Elevator GmbH, Baar, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B66B / ;
U.S. Cl.
CPC ...
187 16 ; 187 / ;
Abstract
Vertical transport system in a building provided with one or more hoistways with elevator cars moving in them, comprises at least one hoistway accommodating at least two elevator cars travelling above one another in such a manner that one (2) of the cars travels in the hoistway (1) between the entrance floor and a certain higher floor or certain higher floors, i.e. change levels (11,13a,13b,18). One or more other cars (4,5) travel in the part of the same hoistway (1) which lies above the change levels (11,13a,13b,18), in the spaces between or divided by the hoisting ropes (3) of the elevator operating in the lower part of the hoistway.