ELEVATOR DEVICE AND GUIDANCE DEVICE PROVIDED IN THE SAME

Title:

ELEVATOR DEVICE AND GUIDANCE DEVICE PROVIDED IN THE SAME

Document Type and Number:

WIPO Patent Application WO/2007/091335

Kind Code:

A1

Abstract:

In an elevator device (100), an elevator car (1) moves up and down along guide rails (6a-6d) arranged in a hoistway. The car has a guidance device (30) for allowing the car to move up and down along the guide rails. The guidance device has pressing means (31) for pressing the guide rails, an actuator (34) capable of changing the pressing force of the pressing means (31), a controller (9) for the actuator, and an acceleration detector (5) for detecting a shake of the car. Markers (7a-7d) are arranged near joints between guide rails, and detection devices (8a, 8b) capable of detecting the markers are arranged on the car. The controller controls the pressing force of the guidance device according to a signal from the detection devices.

Inventors:

ARAKAWA ATSUSHI (JP)
MIYATA KOUICHI (JP)
NOGUCHI NAOAKI (JP)

Application Number:

PCT/JP2006/302572

Publication Date:

August 16, 2007

Filing Date:

February 08, 2006

Export Citation:

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Assignee:

HITACHI LTD (JP)
ARAKAWA ATSUSHI (JP)
MIYATA KOUICHI (JP)
NOGUCHI NAOAKI (JP)

International Classes:

B66B1/06; B66B7/02; B66B7/04; B66B11/02

Domestic Patent References:

WO2002083543A1	2002-10-24
WO2006073015A1	2006-07-13

Foreign References:

JP2001270668A	2001-10-02
JPH05319739A	1993-12-03
JP2002173284A	2002-06-21
JP2001270668A	2001-10-02

Other References: