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. 21, 2001
Filed:
Mar. 31, 2000
Takafumi Suzuki, Chiba, JP;
Hiromitsu Goto, Chiba, JP;
Seiko Instruments Inc., , JP;
Abstract
To provide a motor capable of solidly supporting a stator coil with high rigidity and having inconsiderable vibration and noise, a method of fabricating a motor and a rotary body apparatus, there is provided a motor including a base,, a sleeve,erected on the base, a yoke,having a hollow portion in a regular polygonal shape penetrating from one end to other end, the hollow portion being inserted to the sleeve,and coaxially fixed to the sleeve,, a stator coil,including coils,formed by winding lead wires at a, plurality of locations of the yoke,, a rotor member,supported coaxially with and rotatably by the sleeve,and a rotor magnet,fixed to the rotor member,and urged by rotational magnetic field in which an inner peripheral face portion of the yoke,is brought into contact with an outer peripheral face portion of the sleeve,at substantially central portions thereof among contiguous ones of corner portions thereof over an entire length along an axial direction and is constituted by the respective contact portions and separated portions where the respective plane portions reaching the corner portions on both sides are separated from and opposed to the sleeve