The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 12, 1984
Filed:
Jul. 01, 1981
Applicant:
Inventors:
Osamu Oda, Machida, JP;
Hiroji Noda, Tokyo, JP;
Masaru Iwase, Yokohama, JP;
Yoshio Ishii, Tokyo, JP;
Assignees:
Japanese National Railway, Tokyo, JP;
Sanwa Tekki Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B60M / ;
U.S. Cl.
CPC ...
191 43 ;
Abstract
A lambda type direct suspending overhead contact system for an electric railway including two or more pairs of anchor ears connected to a contact wire and outer and inner suspension wires held by a suspension clamp on a fixed beam at a ratio of a tensile of said outer suspension wire to a tensile of said inner suspension wire of 2.0 to 3.5:1.