Title:
ROPE TYPE PLATFORM SAFETY FENCE
Document Type and Number:
Japanese Patent JP2016120850
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a rope type platform safety fence which detects a change of a tensile force of a rope which is suspended as a safety fence, and automatically adjusts the tensile force to a proper value.SOLUTION: A rope type platform safety fence is equipped with tensile force adjustment device which automatically adjusts a tensile force of at least one rope 13 which is bridged along a platform edge of a station platform 12. The tensile force adjustment device is configured from a tensile force sensor 31, a rope winding mechanism 32, an actuator 33, and a control part 34. When a tensile force of the rope is changed from a proper value due to an environmental temperature or the like, the change in the tensile force is detected, and the tensile force of the rope is automatically adjusted so that the tensile force of the rope again becomes the proper value.SELECTED DRAWING: Figure 4
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Inventors:
NIIYAMA MASAO
ONEDA YOSHINORI
KANAZAWA KAZUAKI
ONEDA YOSHINORI
KANAZAWA KAZUAKI
Application Number:
JP2014262432A
Publication Date:
July 07, 2016
Filing Date:
December 25, 2014
Export Citation:
Assignee:
NIPPON SIGNAL CO LTD:THE
International Classes:
B61B1/02; E01F1/00; E05F15/665
Domestic Patent References:
| JP2000502008A | 2000-02-22 | |||
| JP2014111415A | 2014-06-19 | |||
| JP2013216136A | 2013-10-24 | |||
| JP2013199225A | 2013-10-03 | |||
| JP5459893B1 | 2014-04-02 | |||
| JP2004306976A | 2004-11-04 | |||
| JP2000234316A | 2000-08-29 | |||
| JP2008526614A | 2008-07-24 | |||
| JP2014091410A | 2014-05-19 |
Foreign References:
| US20120120234A1 | 2012-05-17 |
Attorney, Agent or Firm:
Tamiya Hiroshi