Title:
HYDRAULIC CYLINDER ROD
Document Type and Number:
WIPO Patent Application WO/2021/060603
Kind Code:
A1
Abstract:
The objective of the present invention is to provide a hydraulic cylinder rod having a rod eye firmly coupled to a hybrid round bar in order to reduce weight. To this end, the present invention is characterized in that a hydraulic cylinder rod is composed of a hybrid round bar including a metal tube, and a composite material round bar provided inside the metal tube in order to reduce weight, wherein one side of the metal tube is formed to be relatively longer than the length of the composite material round bar so that a space part is formed by the difference in length, and the rod eye is coupled to the space part.
Inventors:
LEE YUN JU (KR)
LEE HYE KYEONG (KR)
BAEK SANG WOO (KR)
LEE HYE KYEONG (KR)
BAEK SANG WOO (KR)
Application Number:
PCT/KR2019/013796
Publication Date:
April 01, 2021
Filing Date:
October 21, 2019
Export Citation:
Assignee:
SHPAC CO LTD (KR)
International Classes:
F15B15/14; B29C70/68; F15B13/042
Foreign References:
| JP2007092891A | 2007-04-12 | |||
| JPH06191724A | 1994-07-12 | |||
| JPH05332345A | 1993-12-14 | |||
| JP6506791B2 | 2019-04-24 | |||
| JPS62215104A | 1987-09-21 |
Attorney, Agent or Firm:
YANG, Jong Pil (KR)
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