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Patent Searching and Data


Title:
ELEVATOR DEVICE
Document Type and Number:
WIPO Patent Application WO/2015/015632
Kind Code:
A1
Abstract:
The present invention provides an elevator device configured so that the loss of function of a tension weight or damage to the tension weight caused by the elongation and contraction of a rope is suppressed and so that the jumping of the tension weight during emergency braking is suppressed. An elevator device (100) is provided with: vertically movable bodies (3, 4) which are suspended by a main rope (1) and which move vertically within a hoistway (2); a governor rope (11); a tension application member (21) which has a tension weight (12); a connection body (13); and an emergency brake device (22). The governor rope (11) is endlessly passed over a governor pulley (9) and the tension pulley (10) which is provided to the tension application member (21). The elevator device (100) is further provided with: a guide rail (14) which guides the vertical movement of the tension application member (21); and a friction unit (16) which is mounted in a slidable manner to the guide rail (14). The tension application member (21) is connected to the friction unit (16).

Inventors:
NAKAYAMA TETSUYA (JP)
HIRANO KAORU (JP)
TANAKA YUDAI (JP)
SHIDOMI KENJI (JP)
Application Number:
PCT/JP2013/070963
Publication Date:
February 05, 2015
Filing Date:
August 02, 2013
Export Citation:
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Assignee:
HITACHI LTD (JP)
International Classes:
B66B7/06; B66B5/04
Domestic Patent References:
WO2011042972A12011-04-14
Foreign References:
JP2008013309A2008-01-24
JPS59128182A1984-07-24
Attorney, Agent or Firm:
INOUE Manabu et al. (JP)
Manabu Inoue (JP)
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