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, 2004
Filed:
Jun. 12, 2003
Yasushi Kondo, Kawasaki, JP;
Keihin Corporation, Tokyo, JP;
Abstract
To provides a lead screw type stepping motor which is excellent in a response and controllability and can carry out an accurate initial alignment, a rotor ( ) is rotatably supported inside of a stator ( ) around which an exciting coil ( A) is wound, a female threaded hole ( A) is provided in the center of the rotor ( ), a slider ( ) is arranged to be engaged with the female threaded hole ( A), a slit groove ( C) shaped in an oblong hole is pierced through in the slider ( ), which is movably arranged in a guide hole ( B) of a case ( ), a guide pin ( ) is arranged to be inserted into the slit groove ( C), and both ends of the guide pin ( ) are press inserted and fixed to a bearing portion ( A) in which the guide hole ( B) is provided.