Title:
ELEVATOR DEVICE
Document Type and Number:
WIPO Patent Application WO/2011/018838
Kind Code:
A1
Abstract:
Rotating shafts of first and second drive sheaves (11, 13) are respectively horizontally disposed. A car (4) is provided with first and second car suspending pulleys (17-20), and a counterweight (5) is provided with first and second counterweight suspending pulleys (21, 22). A main rope group (16) for suspending the car (4) and the counterweight (5) comprises a first main rope (14) looped over the first car suspending pulleys (17, 18), the first drive sheave (11), and the first counterweight suspending pulley (21) in the order named, and a second main rope (15) looped over the second car suspending pulleys (19, 20), the second drive sheave (13), and the second counterweight suspending pulley (22) in the order named. A first drive unit (8), the first car suspending pulleys (17, 18), and the first counterweight suspending pulley (21), and a second drive unit (9), the second car suspending pulleys (19, 20), and the second counterweight suspending pulley (22) are disposed at positions symmetric with respect to a straight line connecting a pair of car guide rails (2) for guiding the car (4) in the vertical projection plane of a hoistway (1).
Inventors:
ANDO EIJI (JP)
Application Number:
PCT/JP2009/064157
Publication Date:
February 17, 2011
Filing Date:
August 11, 2009
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
ANDO EIJI (JP)
ANDO EIJI (JP)
International Classes:
B66B7/06
Domestic Patent References:
| WO2007069311A1 | 2007-06-21 | |||
| WO2007122702A1 | 2007-11-01 |
Foreign References:
| JPS649972U | 1989-01-19 |
Other References:
See also references of EP 2465805A4
None
None
Attorney, Agent or Firm:
SOGA, Michiharu et al. (JP)
Michiharu Soga (JP)
Michiharu Soga (JP)
Download PDF:
Previous Patent: LIQUID CRYSTALLINE POLYESTER AND PROCESS FOR PRODUCING SAME
Next Patent: METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE
Next Patent: METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE