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:
Apr. 30, 2002
Filed:
Jun. 02, 2000
Applicant:
Inventors:
Laurent Dastas, La Rochelle, FR;
Emigliano Campus, Yves, FR;
Assignee:
Alstom, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B61D 1/700 ;
U.S. Cl.
CPC ...
B61D 1/700 ;
Abstract
The invention relates to a rail vehicle body of the type comprising a grid structure, itself comprising longitudinal elements and cross elements interconnected at nodes, and supporting outer and inner coverings. Longitudinal and cross elements are circular section tubes. At at least some of its nodes, the grid structure comprises connections for interconnecting longitudinal and cross tubes of circular section. These connections have longitudinal and cross circular section sleeves which receive longitudinal and cross tubes respectively. Longitudinal tubes pass right through the connections made of longitudinal and cross tubes.