Title:
【発明の名称】ジェット推進艇の艇体構造
Document Type and Number:
Japanese Patent JP2839561
Kind Code:
B2
Abstract:
Several embodiments of watercraft hulls propelled by dual jet propulsion units. The jet propulsion units are either received within a common tunnel or a pair of separate tunnels of the watercraft hull and are moveable for servicing and to bring the jet propulsion units out of the water when the watercraft is not being operated but still is in the body of water.
Inventors:
KOBAYASHI SHO
Application Number:
JP18004789A
Publication Date:
December 16, 1998
Filing Date:
July 11, 1989
Export Citation:
Assignee:
YAMAHA HATSUDOKI KK
International Classes:
B63B3/40; B63B17/00; B63H5/08; B63H11/08; B63H11/10; (IPC1-7): B63B3/40; B63H11/08
Domestic Patent References:
| JP6234898A | ||||
| JP534993A |
Attorney, Agent or Firm:
Etsushi Kotani (2 outside)