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Title:
CAR RAISING MOVEMENNT RESTRICTIN DEVICE AND MAINTENANCE INSPECTION METHOD FOR ELEVATORS
Document Type and Number:
WIPO Patent Application WO/2018/150579
Kind Code:
A1
Abstract:
This car raising movement restriction device for elevators comprises a restriction device body. The restriction device body surrounds a counterweight shock absorber and is installed in a hoistway pit. When a counterweight is lowered in the hoistway pit, the restriction device body receives the counterweight above the counterweight shock absorber, so that the counterweight is prevented from compressing the counterweight shock absorber.

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Inventors:
MOTOMURA KOICHI (JP)
HIGASHINAKA TSUNEHIRO (JP)
Application Number:
PCT/JP2017/006153
Publication Date:
August 23, 2018
Filing Date:
February 20, 2017
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
B66B5/00; B66B5/28
Foreign References:
JP2002356282A2002-12-10
JP2006298612A2006-11-02
JPH0642877U1994-06-07
JPH0840664A1996-02-13
US20100051392A12010-03-04
Attorney, Agent or Firm:
SOGA, Michiharu et al. (JP)
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