Title:
滑走艇
Document Type and Number:
Japanese Patent JP6904915
Kind Code:
B2
Abstract:
To provide a planing boat which is easy to steer with a short turning radius capable of sudden change in direction.SOLUTION: A planing boat includes: a hull 201 having a boarding portion; and a screw unit 202 including a screw 20 and composed to be capable of freely turning against the hull 201 so that a burst direction of stream by the screw 20 can be varied by 360 degrees. A center of gravity G1 of the screw unit 202 is arranged on a position eccentric from a supporting shaft CL of the hull 201, and composed to have a burst direction BD vary according to the inclination direction of the hull 201 by gravity of the screw unit 202.SELECTED DRAWING: Figure 11
Inventors:
Hiroyuki Koyama
Application Number:
JP2018039406A
Publication Date:
July 21, 2021
Filing Date:
March 06, 2018
Export Citation:
Assignee:
Yanmar Power Technology Co., Ltd.
International Classes:
B63H25/42; B63B34/10; B63H25/46
Domestic Patent References:
| JP1062196U | ||||
| JP1089299U | ||||
| JP46027563Y1 |
Foreign References:
| US20180009515 |
Attorney, Agent or Firm:
Sano patent office
Patent Business Corporation Unias International Patent Office
Patent Business Corporation Unias International Patent Office