Title:
【発明の名称】有軌道式輪送機関の導体レ-ル設備
Document Type and Number:
Japanese Patent JPS6033681
Kind Code:
B2
Abstract:
In a third rail system for electric railroads, double T shaped third rails are used, the web of which has an internal longitudinal slot to receive the guide projections of support insulators and for the space saving mounting of electrical and mechanical connecting parts of fixed and/or expansion joints. With this slot design, good heat transfer and at the same time, a large mechanical moment of inertia are obtained.
Inventors:
HERUMAN DEERINGU
Application Number:
JP14257877A
Publication Date:
August 05, 1985
Filing Date:
November 28, 1977
Export Citation:
Assignee:
SIEMENS AG
International Classes:
H01R4/58; B60M1/30; B60M5/00; (IPC1-7): B60M1/30
Attorney, Agent or Firm:
Tomimura Kiyoshi
Previous Patent: An attachment mat and a manufacturing method for the same
Next Patent: WRITING PRESSURE CONTROL PEN
Next Patent: WRITING PRESSURE CONTROL PEN