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.

Date of Patent:
Nov. 18, 1980

Filed:

Oct. 13, 1978
Applicant:
Inventor:

Helmut Bugarcic, Hamburg, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B61B / ; B61D / ; B61D / ; B61D / ;
U.S. Cl.
CPC ...
1041 / ; 1053 / ; 105397 ;
Abstract

A subway vehicle for service in a tunnel which has a circular cross-section, wherein, a car body having an asymmetrical cross-section with a first longitudinal side having a vertical side wall with the necessary windows and doors in this vertical side wall and having an opposite second longitudinal side which conforms to the configuration of the tunnel for travel therethrough. The car body has an inner wall spaced from the opposite second longitudinal side and the space between this inner wall and the opposite first longitudinal side defines the passenger space. The inner wall does not contain any windows. In addition, the space between the inner wall and the outer second longitudinal side defines a utility compartment space between the opposite second longitudinal side wall and the inner longitudinal wall for accommodating air, heating, and cable channels.


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