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Patent Searching and Data


Title:
SHOCK ABSORPTION DEVICE OF WORM SHAFT FOR ELECTRIC POWER STEERING
Document Type and Number:
WIPO Patent Application WO/2014/017718
Kind Code:
A1
Abstract:
The present invention provides a shock absorption device of a worm shaft for electric power steering, which includes: a worm shaft which meshes with a worm wheel in a housing and which is arranged so as to be rotatable in such a manner that bearings at both end portions support the rotation; a first plate which is arranged in such a manner that one surface is folded correspondingly to one or both outer wheels of the bearings; a shock absorption member, formed from an elastically deformable material, which is arranged in such a manner that one surface is folded corresponding to the other surface of the first plate and which is provided with intermittent elastically deformable grooves having a predetermined depth on the outer circumferential surface and the inner circumferential surface; and a second plate which is arranged so as to be in contact with the other corresponding surface of the shock absorption member.

Inventors:
HONG, Sung-Jong (200 Seochojungang-ro,Seocho-gu, Seoul 137-779, 137-779, KR)
YOO, Jong-Geun (24-106, 8 Banseok-ro, Sangnok-gu,Ansan-si, Gyeonggi-do 426-730, 426-730, KR)
PARK, Byung-Sun (21-304, 73 Gojan-ro, Danwon-gu,Ansan-si, Gyeonggi-do 425-720, 425-720, KR)
NOH, Seung-Hee (856-506, 27 Mose-ro,Gwangmyeong-si, Gyeonggi-do 423-723, 423-723, KR)
Application Number:
KR2013/000911
Publication Date:
January 30, 2014
Filing Date:
February 05, 2013
Export Citation:
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Assignee:
NAMYANG IND. CO., LTD. (150 Mongnae-ro, Danwon-guAnsan-si, Gyeonggi-do 425-100, 425-100, KR)
International Classes:
B62D3/04; B62D3/00; B62D5/00; B62D5/04
Foreign References:
KR101043632B1
KR20110060544A
KR20030033842A
US20040222036A1
JP2004210122A
Attorney, Agent or Firm:
KIM, In-Ki et al. (4, 11 Daedeok-daero 290 beon-gil,Seo-gu, Daejeon 302-828, 302-828, KR)
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