Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
ELEVATOR DEVICE
Document Type and Number:
WIPO Patent Application WO/2015/125288
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide an elevator device (100) which enables the range of application of counterweight-less elevators to be widened while the space saving characteristics of the counterweight-less elevators are maintained. The elevator device (100) is provided with: a car (3) moving vertically within the hoistway (30); a rope (4) for suspending and holding the car (3); and hoists (2) for driving the rope (4) and thereby vertically moving the car (3). The hoists (2) are provided as a pair, and the pair of hoists (2) have the same rope (4) wrapped therearound. One of the hoists (2) is provided at the upper part of the hoistway (30), and the other hoist (2) is provided at the lower part of the hoistway (30). When viewed within the hoistway (30) in the vertical direction thereof, the pair of hoists (2) are arranged so that the orthogonal projections of the hoists (2) overlap each other.

Inventors:
NOZAWA YUKI (JP)
INOUE SHINSUKE (JP)
NOGUCHI NAOAKI (JP)
Application Number:
PCT/JP2014/054255
Publication Date:
August 27, 2015
Filing Date:
February 24, 2014
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
HITACHI LTD (JP)
International Classes:
B66B7/00; B66B11/08
Domestic Patent References:
WO2006070437A12006-07-06
WO2004071926A12004-08-26
WO2006043317A12006-04-27
Attorney, Agent or Firm:
INOUE Manabu et al. (JP)
Manabu Inoue (JP)
Download PDF: