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. 03, 1997
Filed:
Nov. 02, 1995
Yutaka Ishizuka, Nagano, JP;
Kabushiki Kaisha Sankyo Seiki Seisakusho, Nagano, JP;
Abstract
A magnetic disc drive motor contains a frame; a fixed shaft mounted on the frame; a ball bearing for rotatably supporting a magnetic disc by fitting an inner center hole of the magnetic disc on an outer ring of the ball bearing, an inner ring of the magnetic disc being secured to the fixed shaft; a rotor fixed to one end of the ball bearing, the rotor having a loading surface defined on an upper surface thereof; and a motor member including: a rotor member mounted in an inside of the rotor; and a stator member secured on the frame, wherein the inner peripheral portion of the magnetic disc fitted on the outer ring of the ball bearing is mounted on the loading surface of the rotor.