Title:
VERTICAL LADDER FIXING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/024358
Kind Code:
A1
Abstract:
A vertical ladder fixing device comprising a connecting device (1) engaged with a vertical ladder is provided. Two ends of the connecting device (1) are each fixedly connected to a clamping device (2) movably connected with an outer bottom plate (3). In the vertical ladder fixing device, by means of the movable connection of the clamping device (2) to the outer bottom plate (3), detachable connection between the vertical ladder fixing device and the outer bottom plate (3) is achieved, as is fixation of the vertical ladder fixing device with the vertical ladder, thereby improving safety performance and efficiency of disassembly and assembly.
Inventors:
SUN ZHENCAI (CN)
Application Number:
PCT/CN2017/114099
Publication Date:
February 07, 2019
Filing Date:
November 30, 2017
Export Citation:
Assignee:
GUANGZHOU SHIPYARD INT CO LTD (CN)
International Classes:
E06C7/48
Foreign References:
| CN204663371U | 2015-09-23 | |||
| CN200999585Y | 2008-01-02 | |||
| CN201334861Y | 2009-10-28 | |||
| US20090255759A1 | 2009-10-15 | |||
| US5113973A | 1992-05-19 | |||
| CN206972148U | 2018-02-06 |
Attorney, Agent or Firm:
BEYOND ATTORNEYS AT LAW (CN)
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