Title:
SPINDLE MOTOR
Document Type and Number:
WIPO Patent Application WO/2011/159062
Kind Code:
A2
Abstract:
A spindle motor including: a bearing assembly including a first floor plate, a first and second lateral surface plate, a bearing housing, and a bearing accommodated in the bearing housing; a base plate inserted into the second lateral surface plate; a stator including a core coupled to the periphery of the first lateral surface plate and a coil wound on the core; and a rotor including a yoke coupled to a rotation shaft inserted into the bearing and a magnet arranged at the yoke to face the core, wherein the second floor plate is formed with a housing disengagement prevention unit that is extended from an edge of the second floor plate to a bottom surface of the base plate facing an upper surface of the base plate to prevent the bearing housing from being disengaged from the base plate.
Inventors:
PARK, Changhyun (20th Fl, Seoul Square541 Namdaemunno 5-ga, Jung-gu, Seoul 100-714, KR)
Application Number:
KR2011/004222
Publication Date:
December 22, 2011
Filing Date:
June 09, 2011
Export Citation:
Assignee:
LG INNOTEK CO., LTD. (20th Fl, Seoul Square541 Namdaemunno 5-ga, Jung-gu, Seoul 100-714, KR)
PARK, Changhyun (20th Fl, Seoul Square541 Namdaemunno 5-ga, Jung-gu, Seoul 100-714, KR)
PARK, Changhyun (20th Fl, Seoul Square541 Namdaemunno 5-ga, Jung-gu, Seoul 100-714, KR)
International Classes:
G11B19/20; H02K5/16
Attorney, Agent or Firm:
JIN, Cheon Woong et al. (4th Fl, Deuk-Young Bldg.423-5 Dogok-dong, Gangnam-Gu, Seoul 135-855, KR)
Claims: