Title:
ELEVATOR ARRANGEMENT
Document Type and Number:
WIPO Patent Application WO2005066058
Kind Code:
A3
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 (1) for detecting movement of the car (2) and the length of the movement when the machine brake is on (10), a stopping device (3) for stopping an uncontrolled movement of the car, and limit and control means (4) for defining an allowed car movement and controlling the operation of the stopping device according to information obtained from the motion detector.
Inventors:
HAENNINEN ARI (FI)
KETOVIITA SEPPO (FI)
KETOVIITA SEPPO (FI)
Application Number:
PCT/FI2005/000002
Publication Date:
November 24, 2005
Filing Date:
January 03, 2005
Export Citation:
Assignee:
KONE CORP (FI)
HAENNINEN ARI (FI)
KETOVIITA SEPPO (FI)
HAENNINEN ARI (FI)
KETOVIITA SEPPO (FI)
International Classes:
B66B5/00; B66B5/02; (IPC1-7): B66B5/00
Foreign References:
| US5183979A | 1993-02-02 | |||
| US4923055A | 1990-05-08 |
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