Title:
トラフおよびトラフ蓋
Document Type and Number:
Japanese Patent JP6933565
Kind Code:
B2
Abstract:
To provide a trough lid capable of structuring a trough corresponding to a locus curve portion without remarkably increasing the cost.SOLUTION: A trough lid is structured so that one end side of a plate-like trough lid formed in a rectangle shape when viewing it from an upper surface to a longitudinal direction of a trough installed and the other end side are curved along a width direction in the same curvature so as to be expanded to an outer side and an inner side. A step is formed in each of the one end side and the other end side, and the step of the one end side and the step of the other end side are formed so as to vertically invert the step.SELECTED DRAWING: Figure 1
Inventors:
Tsukasa Kudo
Chiaki Tanaka
Itanashi Toshinori
Katsuhiro Yoshida
Chiaki Tanaka
Itanashi Toshinori
Katsuhiro Yoshida
Application Number:
JP2017224189A
Publication Date:
September 08, 2021
Filing Date:
November 22, 2017
Export Citation:
Assignee:
East Japan Railway Company
Nippon Denshi Kogyo Co., Ltd.
Nippon Denshi Kogyo Co., Ltd.
International Classes:
H02G9/04; H02G1/06
Domestic Patent References:
| JP7216974A | ||||
| JP1164382U | ||||
| JP2002248045A | ||||
| JP2011061997A | ||||
| JP2002218619A | ||||
| JP2012165571A |
Foreign References:
| US20090311043 |
Attorney, Agent or Firm:
Gwangyang International Patent Office