Title:
ROAD CONSTRUCTION GUIDE DEVICE AND ROAD CONSTRUCTION PROTECTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/128092
Kind Code:
A1
Abstract:
Disclosed is a mobile road construction guide device, which can lift/lower, without tilting, a horizontal boom with a single hydraulic cylinder when the horizontal boom is lifted or lowered by a vertical boom of the mobile road construction guide device, and thus can simplify the setup for lifting/lowering of the boom. In addition, disclosed is a road construction site rear-end collision prevention device, which prevents a vehicle traveling toward a construction site from invading a specific blocked lane and entering the construction site so that people and equipment at the construction site and a vehicle driver are protected from a rear-end collision. Furthermore, disclosed is the mobile road construction guide device, which can lift/lower, without tilting, a horizontal boom with a single hydraulic cylinder when the horizontal boom is lifted or lowered by the vertical boom of the mobile road construction guide device, and thus can simplify the setup for lifting/lowering of the boom.
Inventors:
PARK YI YONG (KR)
Application Number:
PCT/KR2022/009738
Publication Date:
July 06, 2023
Filing Date:
July 06, 2022
Export Citation:
Assignee:
ZEDAKOREA CO LTD (KR)
International Classes:
B60R19/42; B60Q1/30; B60Q9/00; B60R19/00; B60R19/02; B60R19/18; B60R19/38; B60S9/00; E01F15/14
Foreign References:
| KR101931178B1 | 2018-12-20 | |||
| JP3547408B2 | 2004-07-28 | |||
| KR20200000171U | 2020-01-22 | |||
| KR102124059B1 | 2020-06-17 | |||
| JP2013086882A | 2013-05-13 | |||
| KR102366160B1 | 2022-02-23 |
Attorney, Agent or Firm:
THEWAVE IP LAW FIRM (KR)
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