Title:
LENGTH ADJUSTMENT APPARATUS
Document Type and Number:
WIPO Patent Application WO/2020/111803
Kind Code:
A1
Abstract:
One aspect of the present invention provides a length adjustment apparatus comprising: a cylinder part which is hollow inside and accommodates a filler; a length adjusting part which shares a central axis with the cylinder part and is connected to the cylinder part; a valve part which passes through the length adjusting part and can move within the length adjusting part; and an elastic support part which is installed between the length adjusting part and the valve part and has an elastic restoring force in the longitudinal direction of the valve part.
Inventors:
JANG DU SEOK (KR)
AN JIN HYUNG (KR)
YOO WON JUN (KR)
AN JIN HYUNG (KR)
YOO WON JUN (KR)
Application Number:
PCT/KR2019/016537
Publication Date:
June 04, 2020
Filing Date:
November 28, 2019
Export Citation:
Assignee:
SAMHONGSA CO LTD (KR)
International Classes:
F16J10/02; A47C3/30
Foreign References:
| JP2016114236A | 2016-06-23 | |||
| KR20060081305A | 2006-07-12 | |||
| KR20170104869A | 2017-09-18 | |||
| JP2017031983A | 2017-02-09 | |||
| US20040061367A1 | 2004-04-01 |
Attorney, Agent or Firm:
Y.P.LEE, MOCK & PARTNERS (KR)
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