ELEVATOR DEVICE - MITSUBISHI ELECTRIC CORP

Title:

ELEVATOR DEVICE

Document Type and Number:

WIPO Patent Application WO/2007/080626

Kind Code:

A1

Abstract:

An elevator device that can cope with a change in the distance between guide rails, in which ride comfort and safety of an elevator car are improved and in which workability in installation of the guide rails is enhanced. The elevator device has the car vertically moving in an elevator hoistway; the pair of guide rails arranged in the hoistway and whose relative distance is partially varied; a cage guide device capable of advancing to and retreating from a desired position in the horizontal direction relative to the car and constantly in contact with the guide rails while following the variation in the relative distance of the guide rails; and an emergency stop device provided at the car, capable of advancing to and retreating from a desired position in the horizontal direction relative to the car, facing the guide rails with a constant distance from the rails while following the variation in the relative distance between the guide rails, and holding the guide rails when the car falls at overspeed, making an emergency stop of the car.

Inventors:

KAJITA AKINARI (JP)

Application Number:

PCT/JP2006/300141

Publication Date:

July 19, 2007

Filing Date:

January 10, 2006

Export Citation:

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Assignee:

MITSUBISHI ELECTRIC CORP (JP)
KAJITA AKINARI (JP)

International Classes:

B66B7/04; B66B5/22; B66B7/02; B66B9/16

Domestic Patent References:

WO2003008317A1	2003-01-30
WO2004083091A1	2004-09-30

Foreign References:

JP2002173284A	2002-06-21
JPH06263360A	1994-09-20

Other References: