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. 24, 1980
Filed:
Jun. 26, 1978
Applicant:
Inventors:
Kurt Feldle, Wurzburg, DE;
Reiner Schonberger, Freiburg-Landwasser, DE;
Assignee:
SKF Kugellagerfabriken GmbH, Schweinfurt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K / ;
U.S. Cl.
CPC ...
310 / ; 310 90 ;
Abstract
An electric motor having an external rotor, an armature shaft passing therethrough, and an internal stator surrounding the armature. The armature is coupled to the stator by a rolling bearing. The improvement comprises the bearing as a double-rowed radial bearing having a common outer ring within the bore of the stator, first and second races, spaced from one another and adapted to receive first and second rows of rolling elements, and first and second inner races worked directly into the armature shaft.