Title:
二層甲板船のホールドサイドタンクレセス内垂直梯子構造
Document Type and Number:
Japanese Patent JP6898402
Kind Code:
B2
Abstract:
To provide a vertical rudder structure in an overhanging deck recess of a twin-tier deck vessel expected to improve safety in rigging and after entering service.SOLUTION: A vertical ladder structure in a hold side tank recess of a twin-tier deck vessel includes: left and right upper hand grips 2a, 2b joined to a lower end of an upper side wall hand grip joined and fixed to both side walls of a side tank 102, extended to the vicinity of an inner front surface of an upper hull opening 109, and fixed and arranged separated at the center of the upper hull opening 109; and left and right lower hand grips 3a, 3b hung and fixed along a lower vertical ladder 107 in the vicinity of a lower hull opening inside the recess 106 below an overhanging deck 104 of the side tank 102, and having a lower end fixed and arranged on both side walls of the side tank 102 inside the recess 106.SELECTED DRAWING: Figure 1
Inventors:
Keitaro Watanabe
Application Number:
JP2019168974A
Publication Date:
July 07, 2021
Filing Date:
September 18, 2019
Export Citation:
Assignee:
Shinkurujima Dock Co., Ltd.
International Classes:
B63B29/20
Domestic Patent References:
| JP5077781A | ||||
| JP56141897U | ||||
| JP2018149920A |
Foreign References:
| CN208007218U |
Attorney, Agent or Firm:
Hitoshi Otaki