Title:
ELEVATOR DEVICE
Document Type and Number:
WIPO Patent Application WO/2015/125285
Kind Code:
A1
Abstract:
An elevator device provided with a low-profile hoist having: a housing (5) disposed within the hoistway; a main shaft (7) supported at one end thereof by the housing; bearings (11, 12) affixed to the outer periphery of one axial end of the main shaft; an annular rope sheave (6) rotatably mounted to the bearings; and a motor for rotating and driving the rope sheave, the elevator device being configured so that the car is moved vertically by means of a main rope wrapped around the rope sheave, wherein the elevator device is further provided with: an annular oil seal material (25) disposed between the outer periphery of one axial end of the main shaft and the rope sheave and covering the outer periphery of the one axial end of the main shaft; an oil receiving space (16) formed below the region of the housing, which faces the oil seal material, and receiving leakage oil having passed through the oil seal material; an oil sump (34) disposed on the car side of the housing; and an oil conduction section (33) for conducting leakage oil within the oil receiving space to the oil sump.
Inventors:
OGATA NAOFUMI (JP)
ONO TETSUJI (JP)
KOMATSU RYOU (JP)
ONO TETSUJI (JP)
KOMATSU RYOU (JP)
Application Number:
PCT/JP2014/054226
Publication Date:
August 27, 2015
Filing Date:
February 21, 2014
Export Citation:
Assignee:
HITACHI LTD (JP)
International Classes:
B66B11/08; B66B1/34; F16C35/00; F16J15/447; F16N29/00
Foreign References:
| JP2012153486A | 2012-08-16 | |||
| JP2008222403A | 2008-09-25 | |||
| JPH08111953A | 1996-04-30 | |||
| JP2004229498A | 2004-08-12 | |||
| JP2013249155A | 2013-12-12 |
Attorney, Agent or Firm:
OHGA, Shinji et al. (JP)
Heartly congratulation Shinji (JP)
Heartly congratulation Shinji (JP)
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