Title:
DRAINING STRUCTURE OF WATER JET PROPULSIVE BOAT
Document Type and Number:
Japanese Patent JP3107422
Kind Code:
B2
Abstract:
PURPOSE: To prevent a drain plug from detriorating of external appearance due to the stain around the drain plug and enable the drain plug to be easily operated.
CONSTITUTION: A stern bottom is formed with a recess 10 communicating to the outboard and partitioned by water-tight structure walls 40, 88 and the inboard division. A jet unit 31 is disposed in the recess 10. The recess 10 is formed on the upper wall with an inspection port and provided on the lower portion of the peripheral wall of the recess 10 with a drain plug 7 capable of opening and closing to drain drainage from the inboard division.
Inventors:
Tomoyoshi Koyanagi
Yoshiki Futaki
Yoshiki Futaki
Application Number:
JP24351491A
Publication Date:
November 06, 2000
Filing Date:
September 24, 1991
Export Citation:
Assignee:
YAMAHA HATSUDOKI KABUSHIKI KAISHA
International Classes:
B63B13/00; B63H11/00; (IPC1-7): B63B13/00; B63H11/00
Domestic Patent References:
| JP62231890A | ||||
| JP314789A |
Attorney, Agent or Firm:
Etsushi Kotani (3 outside)
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