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:
Sep. 01, 2009
Filed:
Jun. 10, 2008
Applicant:
Risto Kontturi, Rajamäki, FI;
Inventor:
Risto Kontturi, Rajamäki, FI;
Assignee:
Kone Corporation, Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66B 13/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method and an apparatus controls advance opening of doors in a double-deck elevator, in which elevator a car frame supporting the elevator cars is moved by means of a set of hoisting ropes by a hoisting machine provided with a traction sheave. When the elevator is approaching the target floor levels, the velocity of the elevator cars in the car frame in relation to the car frame is measured and, based on the measurement result, the velocity of the elevator cars relative to the floor levels is calculated.