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Patent Searching and Data


Title:
ELEVATOR COUNTERWEIGHT DEVICE AND METHOD FOR IMPROVING ELEVATOR COUNTERWEIGHT DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/037910
Kind Code:
A1
Abstract:
An elevator counterweight device is provided with an upper frame (1), a lower frame (3), a pair of vertical frames (5), and a weight (9). A central vertical frame (7) is provided between the pair of vertical frames (5). The upper end of the pair of vertical frames (5) and the upper end of the central vertical frame (7) are connected to the upper frame (1). The lower end of the pair of vertical frames (5) and the lower end of the central vertical frame (7) are connected to the lower frame (3).

Inventors:
TAKAHASHI YOSHINAO (JP)
Application Number:
PCT/JP2015/075051
Publication Date:
March 09, 2017
Filing Date:
September 03, 2015
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
B66B11/00; B66B7/00
Foreign References:
CN203112297U2013-08-07
JP2001026386A2001-01-30
JPH07215632A1995-08-15
JPH1081469A1998-03-31
JP2004277175A2004-10-07
Attorney, Agent or Firm:
SOGA, Michiharu et al. (JP)
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