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. 10, 1989
Filed:
May. 13, 1988
Applicant:
Inventors:
Thomas J Brennan, Kalamazoo, MI (US);
James A Evans, Galesburg, MI (US);
Assignee:
Stryker Corporation, Kalamazoo, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K / ; H02K / ; H02K / ;
U.S. Cl.
CPC ...
310 47 ; 310154 ;
Abstract
An electric motor suitable for use in a steam sterilizable surgical tool comprising a casing with a peripheral wall, plural magnets, an armature and structure rotatably supporting them in the casing, structure locating the magnets axially and circumferentially in the casing, and a sleeve radially outwardly pressing against the magnets. Wedged rings can supply part or all of the outward pressure on the sleeve.