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:
Aug. 31, 1999
Filed:
Mar. 10, 1997
Bijan Barzideh, Rush, NY (US);
Richard N Capobianco, Rochester, NY (US);
Gary R Kenny, Rochester, NY (US);
Joseph M Kessler, Spencerport, NY (US);
Athimoottil Mathew, Pittsford, NY (US);
James Palmer, Pittsford, NY (US);
Timothy F Spencer, Rochester, NY (US);
Eastman Kodak Company, Rochester, NY (US);
Abstract
A method of making stepper motor includes: providing a permanent magnet rotor carried by an output shaft; forming a bobbin having an alignment feature, a bearing opening for supporting the shaft, and a passage for receiving the permanent magnet rotor; forming a magnetically soft stator-yoke located around the inside of the passage; winding a coil of electrically conducting wire around the bobbin; and providing a motor housing for receiving the bobbin and where the motor housing has a corresponding alignment feature to align the bobbin with the housing.