Title:
ELEVATOR DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/138060
Kind Code:
A1
Abstract:
Provided is an elevator device configured so that: air tightness within an elevator car can be obtained responsive to a variation in air pressure within the elevator car; and such air tightness can be achieved by a simple configuration.
An elevator device (1) has: a main rope (24) for suspending an elevator car (2) and a counterbalance weight (26), which move vertically within a hoist way (21); a hoist (23) for hoisting the main rope (24); and an air pressure control device for controlling air pressure within the elevator car (2). The elevator car (2) is provided with: a car door (3) for opening and closing the doorway of the elevator car (2); a car sill (7) provided on the car floor and guiding the movement of the car door (3); and an airtight device (12) for closing the gap between the lower end of the car door (3) and the car sill (7) by means of a flexible member (13) provided at the lower end of the car door (3) and elastically deforming in response to a pressure increase and/or a pressure decrease caused by the air pressure control device.
More Like This:
Inventors:
KARIYA TOMOKI (JP)
FUKUYA TSUYOSHI (JP)
KAWAMURA YOUSUKE (JP)
ITO YASUSHI (JP)
FUKUYA TSUYOSHI (JP)
KAWAMURA YOUSUKE (JP)
ITO YASUSHI (JP)
Application Number:
PCT/JP2016/053619
Publication Date:
August 17, 2017
Filing Date:
February 08, 2016
Export Citation:
Assignee:
HITACHI LTD (JP)
International Classes:
B66B13/30; B66B11/02
Domestic Patent References:
| WO2012066587A1 | 2012-05-24 |
Foreign References:
| JP2011051772A | 2011-03-17 | |||
| JP2003081561A | 2003-03-19 | |||
| JP2012218931A | 2012-11-12 | |||
| JP2006001674A | 2006-01-05 | |||
| JPS63112389A | 1988-05-17 |
Attorney, Agent or Firm:
POLAIRE I.P.C. (JP)
Download PDF: