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:
Oct. 26, 2010
Filed:
Jun. 20, 2006
Applicants:
Ari Hänninen, Hyvinkää, FI;
Seppo Ketoviita, Hyvinkää, FI;
Inventors:
Ari Hänninen, Hyvinkää, FI;
Seppo Ketoviita, Hyvinkää, FI;
Assignee:
Kone Corporation, Helsinki, FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B66B 5/02 (2006.01); B66B 1/32 (2006.01); B66B 5/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
An apparatus in an elevator for detecting and stopping an uncontrolled movement of the car when a machine brake intended to keep the elevator car immovable is on. The apparatus comprises a motion detector () for detecting movement of the car () and the length of the movement when the machine brake is on (), a stopping device () for stopping an uncontrolled movement of the car, and limit and control means () for defining an allowed car movement and controlling the operation of the stopping device according to information obtained from the motion detector.