Title:
SPRING STRUCTURE HAVING MULTIPLE COIL-SHAPED UNIT SPRINGS AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2017/010838
Kind Code:
A1
Abstract:
The present invention relates to a spring structure and a method for manufacturing same, and more specifically, to a spring structure and a method for manufacturing same, the spring structure comprising: a support portion having a non-spring structure provided on both ends or on one end of the spring structure; and a coil-shaped spring portion comprising multiple coil-shaped unit springs having the same inner circumference and vertical central axis that are each connected to the support portion, so that a wire forming one of the coil-shaped unit springs is positioned between a wire forming another coil-shaped unit spring so as to be positioned adjacently thereto in an overlapping alignment with a regular vertical distance therebetween, thereby providing the support portion and the coil-shaped spring portion that are integrally formed.
Inventors:
KIM HYUNG WOO (KR)
KIM GYUN HWAN (KR)
KIM GYUN HWAN (KR)
Application Number:
PCT/KR2016/007726
Publication Date:
January 19, 2017
Filing Date:
July 15, 2016
Export Citation:
Assignee:
KIM HYUNG WOO (KR)
KIM GYUN HWAN (KR)
KIM GYUN HWAN (KR)
International Classes:
B21F35/00; F16F3/02; F16F3/04
Foreign References:
| JP2002227898A | 2002-08-14 | |||
| JPH05319347A | 1993-12-03 | |||
| JPH10122285A | 1998-05-12 | |||
| JP2007285423A | 2007-11-01 | |||
| JP2009160722A | 2009-07-23 |
Other References:
See also references of EP 3339676A4
Attorney, Agent or Firm:
KIM, Hyun Jin (KR)
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