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. 01, 2004
Filed:
Jan. 24, 2002
Applicant:
Inventors:
Hidetoshi Kajiwara, Shizuoka-ken, JP;
Hiroshi Iwai, Shizuoka-ken, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 7/06 ; H02K 7/075 ; H02K 2/112 ;
U.S. Cl.
CPC ...
H02K 7/06 ; H02K 7/075 ; H02K 2/112 ;
Abstract
A vibration type brushless motor A in a structure of brushless motor having an outer rotor type core is composed of a shaft of which a bottom end is held by a bearing member so as to rotate freely and a top end is fixed to a center of rotation of a rotor yoke , a ring core arranged around the shaft and a rotor yoke having a side section of which a part is cut off radially to the outer circumference direction from the center fixed with the top end of the shaft , wherein a semi-annular magnet is fixed to the rotor yoke along the side section with facing the ring core