Title:
パンタグラフ
Document Type and Number:
Japanese Patent JP7084482
Kind Code:
B2
Abstract:
As a premise that width and height directions of a car are a y-axis direction and a z-direction, respectively, a pantograph 1 is provided with an automatic descending device having an air tube 81 connected with an air duct 23 provided in a slider 21 and supplying air in the air duct 23, which automatically descends the collector shoe 2 by bending the framework 4 on the underframe when an inner air pressure in the air duct 23 is equal to or under a prescribed pressure, an upper and lower frames 41 and 42 of the framework 4 are made of a hollow member, and the air tube is connected with the air duct 23 in a center part in the y-axis direction of the slider 21 and is inserted into the upper and lower frames 41 and 42 of the framework 4 via the shoe supporting member 3.
Inventors:
Hayato Kobayashi
Shinji Nakajima
Shinji Nakajima
Application Number:
JP2020531850A
Publication Date:
June 14, 2022
Filing Date:
July 23, 2018
Export Citation:
Assignee:
Toyo Denki Manufacturing Co., Ltd.
International Classes:
B60L5/18; B60L5/26
Domestic Patent References:
| JP2007124804A | ||||
| JP5546805A | ||||
| JP60144702U | ||||
| JP2007189754A | ||||
| JP2017011784A | ||||
| JP2000152406A | ||||
| JP3103002A |
Foreign References:
| US20070272506 |
Attorney, Agent or Firm:
Seiryu Corporation