Title:
TIE-DOWN DEVICE
Document Type and Number:
WIPO Patent Application WO/2015/121940
Kind Code:
A1
Abstract:
[Problem] To provide a tie-down device that can simplify recovery work after operation. [Solution] Provided is a tie-down device that restricts movement of a compensation pulley, around which a compensation rope connecting an elevator car and a counterweight is wound, in the direction that the compensation pulley bounces, wherein the tie-down device is provided with: a casing that is disposed along a compensation rail so as to be able to move in the vertical direction and that has an internal space having an inclined face that opens wider toward the top; a wedge that is disposed between the compensation rail and the inclined face in the internal space of the casing and that frictionally engages with the compensation rail along with the upward movement of the casing; and a casing moving mechanism that moves the casing in a press-down direction relative to the wedge in accordance with an external force.
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Inventors:
NAKAYAMA TETSUYA (JP)
HIRANO KAORU (JP)
TANAKA YUDAI (JP)
HIRANO KAORU (JP)
TANAKA YUDAI (JP)
Application Number:
PCT/JP2014/053297
Publication Date:
August 20, 2015
Filing Date:
February 13, 2014
Export Citation:
Assignee:
HITACHI LTD (JP)
International Classes:
B66B7/06
Foreign References:
JP2000118913A | 2000-04-25 | |||
JPS56155178A | 1981-12-01 | |||
JP2004010222A | 2004-01-15 |
Attorney, Agent or Firm:
OHGA, Shinji et al. (JP)
Heartly congratulation Shinji (JP)
Heartly congratulation Shinji (JP)
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