Title:
EMERGENCY ELEVATOR
Document Type and Number:
Japanese Patent JP2020097471
Kind Code:
A
Abstract:
To activate a pit switch if there is a specific situation even when the emergency operation switch is ON in an emergency elevator.SOLUTION: An emergency elevator 1 comprises a control device 16 to control its motion, a pit switch 26 installed in a pit 25 and capable of switching the travel mode of a car 14, and a flood detection device 27 installed below the pit switch 26 in the pit 25 and to detect the presence of a flood. The car 14 stops at the position where an operator can enter the pit 25 and is controlled in the operating mode for a maintenance work when an emergency operation switch 24 is ON, and the control device 16 activates the pit switch 26 only when the control device determines that a hatch door 21 has been opened after the car is controlled to the operation mode for a maintenance work, and determines that a prescribed condition based on the detected result by the flood detection device 27 is satisfied.SELECTED DRAWING: Figure 1
Inventors:
TOYABE JUN
KAWAMATSU KOSUKE
SHIBATA MITSURU
SAITO YOSHIYA
WATANABE ERIKO
KAWAMATSU KOSUKE
SHIBATA MITSURU
SAITO YOSHIYA
WATANABE ERIKO
Application Number:
JP2018236426A
Publication Date:
June 25, 2020
Filing Date:
December 18, 2018
Export Citation:
Assignee:
HITACHI LTD
HITACHI BUILDING SYST CO LTD
HITACHI BUILDING SYST CO LTD
International Classes:
B66B5/02
Domestic Patent References:
| JP2018144963A | 2018-09-20 | |||
| JP2015048159A | 2015-03-16 | |||
| JP2012246074A | 2012-12-13 | |||
| JP2015137156A | 2015-07-30 | |||
| JP2000233877A | 2000-08-29 | |||
| JP2013216411A | 2013-10-24 | |||
| JP2018002353A | 2018-01-11 |
Foreign References:
| CN204661057U | 2015-09-23 | |||
| EP3643667A1 | 2020-04-29 |
Attorney, Agent or Firm:
Patent Business Corporation Sunnext International Patent Office