Title:
LADDER FOR RAILWAY SIGNAL INSPECTION AND MAINTENANCE
Document Type and Number:
WIPO Patent Application WO/2023/204351
Kind Code:
A1
Abstract:
The present invention relates to a ladder for railway signal inspection and maintenance and, more specifically, to a ladder for railway signal inspection and maintenance, which is capable of securing a safe work space when the operating condition of a railway signal is inspected, and the maintenance and repairment are carried out. The ladder for railway signal inspection and maintenance according to the present invention comprises: a pair of struts (110) arranged in parallel with each other; and a plurality of stepping stools (120) which are installed at constant intervals along the lengthwise direction of the struts (110), wherein the ladder (100) is installed to lean on a pole (400) of the railway signal via a plurality of support means (200) that are arranged spaced apart from one another in a direction perpendicular to the struts (110) along the lengthwise direction of the struts (110), and is arranged to be parallel to the railway direction in which trains move.
Inventors:
YU GYEONG SUK (KR)
JANG BYEONG CHEOL (KR)
JANG BYEONG CHEOL (KR)
Application Number:
PCT/KR2022/009813
Publication Date:
October 26, 2023
Filing Date:
July 07, 2022
Export Citation:
Assignee:
SEBITENS CO LTD (KR)
International Classes:
E06C1/39; E06C7/14; E06C7/18; E06C7/50
Foreign References:
| US20120080266A1 | 2012-04-05 | |||
| JP2021123939A | 2021-08-30 | |||
| KR20200057322A | 2020-05-26 | |||
| JPS6198894A | 1986-05-17 | |||
| KR20210104959A | 2021-08-26 | |||
| JP2008148441A | 2008-06-26 | |||
| JPS56146954U | 1981-11-05 | |||
| KR101946211B1 | 2019-02-11 |
Attorney, Agent or Firm:
LEE, Jae Hoon (KR)
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