JPS62185697U - - Google Patents

Description

[Brief explanation of the drawing]

1 to 3 show a specific embodiment of the spanker device according to the present invention, in which FIG. 1 is a perspective view, FIG. 2 is a partial cross-sectional plan view of the main part, and FIG. It is a partial cross-sectional side view. Also, Figures 4 to 1
Figure 0 is for explaining the technical background of the present invention and the problems of the prior art, Figure 4 is a schematic diagram for explaining the sea anchor system, Figure 5 is a schematic diagram for explaining the spanker system, Fig. 6 is a schematic diagram for explaining the fish school searching work and fish collection work, Fig. 7 is a schematic diagram for explaining the retrieving work, Fig. 8 is a schematic diagram for explaining the back sawing work, and Fig. 9 A, 10A and 10B are a schematic plan view and a partial cross-sectional schematic side view of a main part of a vessel equipped with a working boat, respectively. Z...Spanker device, 2...Spanker mast, 6, 10, 11...Hydraulic power mechanism.

Claims (1)

[Scope of Claim for Utility Model Registration] (1) The spanker mast is capable of sliding laterally at its lower end between a position on the hull longitudinal centerline at the stern end and a position biased toward the hull side; A spanker device characterized by being installed so that it can be swung up and down in the vertical direction. (2) The scope of the utility model registration claim is such that the lateral sliding and swinging up and down of the spanker mast are each performed by a hydraulic power mechanism.
The spanker device described in paragraph (1).