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Patent Searching and Data


Title:
ELEVATOR DEVICE
Document Type and Number:
WIPO Patent Application WO/2004/005177
Kind Code:
A1
Abstract:
An elevator device, comprising a hoist installed on the rear wall surface of a hoistway in depth direction with the shaft of the motor part thereof positioned orthogonal to the rear wall surface and a return wheel disposed in a clearance between a cage and one lateral side wall surface of the hoistway rotatably around a horizontal shaft, joined to the drive pulley of the hoist through a hoist rope, and changing the rope arrangement direction of the hoist rope, wherein the rope groove pitch of the return wheel is formed larger than the rope groove pitch of the drive pulley, whereby, since the thickness of the drive pulley can be reduced by increasing the rope groove pitch of the return wheel joined to the drive pulley through the hoist rope and changing the rope arrangement direction of the hoist rope larger than that of the drive pulley, a clearance between the cage and the wall surface of the hoistway can be reduced to reduce a construction cost.

Inventors:
HASHIGUCHI NAOKI
Application Number:
PCT/JP2002/006902
Publication Date:
January 15, 2004
Filing Date:
July 08, 2002
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
B66B7/06; B66B11/00; B66B11/08; (IPC1-7): B66B7/06; B66B11/08
Foreign References:
JP2000255933A2000-09-19
JPH0761745A1995-03-07
Other References:
See also references of EP 1520830A4
Attorney, Agent or Firm:
Soga, Michiteru (8th Floor Kokusai Building, 1-1, Marunouchi 3-chom, Chiyoda-ku Tokyo, JP)
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