Title:
ELEVATOR DEVICE
Document Type and Number:
WIPO Patent Application WO/2012/025992
Kind Code:
A1
Abstract:
Provided is an elevator device capable of increasing safety by establishing consistency between a grounding judgment and a door lock release judgment, and facilitating space-saving. An elevator device (1) is provided with a cage (5) which moves up and down in a hoistway (3), a door lock control mechanism (7), and a cage grounding detection mechanism (9). The elevator device comprises a plurality of detection target bodies (87) respectively secured to the hoistway and provided at corresponding floors. The plurality of detection target bodies constitute both the door lock control mechanism and the cage grounding detection mechanism. The door lock control mechanism comprises a movable body (61) which is provided to move up and down together with the cage, and is moved in response to whether or not the detection target body is present to switch between lock/unlock states. The cage grounding detection mechanism comprises at least one sensor (89) which is provided to move up and down together with the cage, and detects the presence of the detection target body.
Inventors:
KOKETSU MASAHIKO (JP)
Application Number:
PCT/JP2010/064252
Publication Date:
March 01, 2012
Filing Date:
August 24, 2010
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
KOKETSU MASAHIKO (JP)
KOKETSU MASAHIKO (JP)
International Classes:
B66B13/18; B66B3/02
Foreign References:
| JP4292207B2 | 2009-07-08 | |||
| JP2003118957A | 2003-04-23 | |||
| JP4072188B | ||||
| JPH0275578A | 1990-03-15 | |||
| JP2007031084A | 2007-02-08 | |||
| JP2002029668A | 2002-01-29 | |||
| JP2007320717A | 2007-12-13 | |||
| JP2008528399A | 2008-07-31 |
Other References:
See also references of EP 2610205A4
Attorney, Agent or Firm:
SOGA, Michiharu et al. (JP)
Michiharu Soga (JP)
Michiharu Soga (JP)
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Claims: