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Patent Searching and Data


Title:
STRUCTURE OF GUARDRAIL ROTATING BODY
Document Type and Number:
WIPO Patent Application WO/2018/159931
Kind Code:
A1
Abstract:
The present invention relates to a structure of a guardrail rotating body, which is mounted on a shaft and rotates. This rotating body structure comprises an axial hole pipe rotatably mounted on a vertical shaft, and an inner cylinder and an outer cylinder, which are coaxial. The plastic inner cylinder is connected to a plurality of buffer ribs extending from the pipe, and includes a plurality of first protrusions protruding radially outwards and fitting grooves formed between the first protrusions adjacent to each other. The outer cylinder is integrally formed on the outer side of the inner cylinder, and is a soft outer cylinder including a plurality of second protrusions protruding axially inwards to be tightly inserted into the fitting grooves. According to an embodiment, the inner cylinder and the outer cylinder are configured to be spaced apart via an intermediate layer disposed therebetween, and may be configured to be integrally coupled through an operation of the outer cylinder by an impact from the outside.

Inventors:
YOO, Jun-Ryeong (#205, 94 Deokjeong-gil,Yangju-si, Gyeonggi-do, 11450, KR)
Application Number:
KR2017/013972
Publication Date:
September 07, 2018
Filing Date:
December 01, 2017
Export Citation:
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Assignee:
CARIS GUARD RAIL CO., LTD. (7th Floor, 24 Simin-ro,Uijeongbu-si, Gyeonggi-do, 11649, KR)
YOO, Jun-Ryeong (#205, 94 Deokjeong-gil,Yangju-si, Gyeonggi-do, 11450, KR)
International Classes:
E01F15/04
Foreign References:
KR20160016535A2016-02-15
KR19990035685A1999-05-15
KR101312933B12013-10-14
KR200316362Y12003-06-18
KR101441292B12014-09-17
Attorney, Agent or Firm:
YIM, Hoon-Bin (YIM INTERNATIONAL, 1207,507 Nonhyeon-ro Gangnam-gu, Seoul, 06132, KR)
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