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Title:
CLAMP-TYPE MANHOLE GUARDRAIL
Document Type and Number:
WIPO Patent Application WO/2019/015209
Kind Code:
A1
Abstract:
A clamp-type manhole guardrail, comprising an annular guardrail, the guardrail comprising at least two arc-shaped guardrail segments (3, 4), two adjacent guardrail segments (3, 4) being detachably connected to each other, one side of the guardrail segment (3) being connected with a vertically provided column (1), the column (1) being perpendicularly connected with a clamp (2), the clamp (2) being able to be connected around the clamp-type manhole. The clamp-type manhole guardrail is highly universal and is easy to take out of a cabin, facilitating reuse, reducing waste and cost.

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Inventors:
BU YOUTIAN (CN)
WU YONGJIAN (CN)
JIANG YONGYOU (CN)
Application Number:
PCT/CN2017/114085
Publication Date:
January 24, 2019
Filing Date:
November 30, 2017
Export Citation:
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Assignee:
GUANGZHOU SHIPYARD INT CO LTD (CN)
International Classes:
B63B17/04; B63B9/00; B63B19/28; E04H17/14
Foreign References:
CN203767024U2014-08-13
KR20170000958U2017-03-14
CN202345885U2012-07-25
CN206202600U2017-05-31
CN202899600U2013-04-24
CN204937410U2016-01-06
KR20140004881U2014-09-03
KR20160080776A2016-07-08
Attorney, Agent or Firm:
BEYOND ATTORNEYS AT LAW (CN)
Download PDF:
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