Title:
TENSION BALANCER FOR OVERHEAD LINE
Document Type and Number:
WIPO Patent Application WO/2014/087897
Kind Code:
A1
Abstract:
Provided is a tension balancer for an overhead line, the tension balancer being less likely to be affected by dust.
A tension balancer for an overhead line is provided with: an inner central cylinder member (102) and an outer cylinder member (101), which are arranged coaxially with each other with a gap therebetween; a coiled spring (104) which applies elastic force directed against the extension of the central cylinder member (102) relative to the outer cylinder member (101); and a dust blocking member (301) which prevents dust from entering through a gap (304).
Inventors:
SASA OSAMU (JP)
KUMAGAI KAZUHIRO (JP)
KUMAGAI KAZUHIRO (JP)
Application Number:
PCT/JP2013/081903
Publication Date:
June 12, 2014
Filing Date:
November 27, 2013
Export Citation:
Assignee:
NHK SPRING CO LTD (JP)
International Classes:
H02G7/02; B60M1/26; H02G7/04
Foreign References:
| JP2009296795A | 2009-12-17 | |||
| JPS54131272U | 1979-09-11 |
Attorney, Agent or Firm:
SUENARI, Mikio (JP)
End 成 Mikio (JP)
End 成 Mikio (JP)
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