Title:
ELEVATOR DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/013737
Kind Code:
A1
Abstract:
This elevator device is equipped with: a hoisting machine (4) equipped with a sheave (5), a motor, and a brake; a rope (3) which connects a car (1) and a weight (2), and is wound around the sheave (5); a deflector sheave (6) which is provided between the sheave (5) and the weight (2), and around which the rope (3) is wound; a deflector sheave mounting beam (7) which supports the deflector sheave (6) and allows the vertical movement of the deflector sheave (6); and a spring (10) which controls the vertical position of the deflector sheave (6) according to the value of in-car load in the car (1). The spring (10) causes the deflector sheave (6) to move downward in response to an increase in the in-car load, and causes the deflector sheave (6) to move upward in response to a decrease in the in-car load.
Inventors:
NAKAHASHI KENICHI (JP)
Application Number:
PCT/JP2015/070698
Publication Date:
January 26, 2017
Filing Date:
July 21, 2015
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
B66B11/08; B66B1/06
Foreign References:
| JPS5078046A | 1975-06-25 | |||
| JP2002348073A | 2002-12-04 | |||
| JP2007204157A | 2007-08-16 |
Attorney, Agent or Firm:
SOGA, Michiharu et al. (JP)
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