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:
Jul. 05, 1994
Filed:
Nov. 13, 1992
Applicant:
Inventor:
Lutz Schwendt, Vellmar, DE;
Assignee:
ABB Patent GmbH, Mannheim, DE;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B61C / ; B61H / ;
U.S. Cl.
CPC ...
188 33 ; 188 58 ; 464 85 ;
Abstract
A drive unit for vehicles driven on rails includes an electric drive motor. A transmission which is driven by the drive motor has a main transmission hollow drive shaft. A hollow coupling shaft supports brake surfaces. One flexible rubber coupling is connected between the hollow drive shaft and one end of the hollow coupling shaft, and another flexible rubber coupling is connected between a wheel of a wheel set and another end of the hollow coupling shaft.