JPS61169881U

JPS61169881U -

Info

Publication number: JPS61169881U
Application number: JP1985055177U
Authority: JP
Priority date: 1985-04-12
Filing date: 1985-04-12
Publication date: 1986-10-21

Description

[Brief explanation of the drawing]

第１図はこの考案の実施例を示す船底後方から
見た斜視図、第２図は第１図の―線断面図、
第３図は第１図の―線断面図である。１……船体、２……船側板、３……船底板、５
……下方延長部、６……垂直壁、７……空気噴射
口、８……凹部、９……加圧ポンプ。 Figure 1 is a perspective view of an embodiment of this invention seen from the rear of the ship's bottom, Figure 2 is a sectional view taken along the line - - in Figure 1,
FIG. 3 is a sectional view taken along the line -- in FIG. 1...Hull, 2...Side plate, 3...Bottom plate, 5
... downward extension, 6 ... vertical wall, 7 ... air injection port, 8 ... recess, 9 ... pressure pump.

Claims

[Scope of Claim for Utility Model Registration] 1. In a ship bottom structure in which a stepped section in the ship width direction is formed so that the height changes suddenly in the longitudinal direction, an air injection port is formed in the vertical wall of the stepped section, and
A bottom structure for a small boat characterized by being provided with an air injection means for ejecting air from the injection port toward the stern. 2. The bottom of a small boat as set forth in claim 1 of the utility model registration claim, characterized in that downward protrusions are formed continuously in the longitudinal direction of the boat on both sides of the boat behind the part where the stepped portion is formed. structure. 3. On both sides of the ship behind the part where the stepped portion is formed, a downward extension of the side plating shall be provided so as to form an extension of the intersection of the side plating and the bottom plating in front of the stepped portion. A bottom structure for a small boat according to claim 2 of the utility model registration claim, characterized in that: