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:
Oct. 19, 1999
Filed:
Sep. 30, 1998
Applicant:
Inventors:
R Gerald Satterfield, Pickens, SC (US);
W Keith Glenn, Anderson, SC (US);
Assignee:
Ryobi North America Inc., Anderson, SC (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K / ;
U.S. Cl.
CPC ...
310 90 ; 384205 ;
Abstract
An armature assembly for use in a motor has an annual creepage shield received on the armature shaft between the bearing and the commutator. The creepage shield has a first face adjacent to the commutator, and a second face adjacent to the bearing. The second face has at least one generally annular surface interruption to increase effective creepage distance between the commutator and the bearing.