Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
PROPELLER FOR SHIP
Document Type and Number:
WIPO Patent Application WO/2019/146712
Kind Code:
A1
Abstract:
A propeller 1 for a ship is provided with: a boss 2 having grooves 21 formed in the outer peripheral surface 2s thereof; and blades 3 having bases 31 formed on the base end sides thereof, and is configured by inserting the bases 31 of the blades 3 into the grooves 21 in the boss 2. The propeller 1 is provided with a retainer 4 which is mounted to one end of the boss 2 and which retains the blades 3. The outer fitting section 44 of the retainer 4 is fitted so as to cover, together with the boss 2, the bases 31 of the blades 3 and restrain the bases 31 which attempt to bend radially outward.

Inventors:
YAMATOGI Toshio (688-1, Joto-Kitagata, Higashi-ku, Okayama-sh, Okayama 25, 〒7090625, JP)
SAKURAI Takaya (688-1, Joto-Kitagata, Higashi-ku, Okayama-sh, Okayama 25, 〒7090625, JP)
HAYASHI Kazuya (688-1, Joto-Kitagata, Higashi-ku, Okayama-sh, Okayama 25, 〒7090625, JP)
UOTA Naoki (688-1, Joto-Kitagata, Higashi-ku, Okayama-sh, Okayama 25, 〒7090625, JP)
Application Number:
JP2019/002320
Publication Date:
August 01, 2019
Filing Date:
January 24, 2019
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NAKASHIMA PROPELLER CO., LTD. (688-1, Joto-Kitagata Higashi-ku, Okayama-sh, Okayama 25, 〒7090625, JP)
International Classes:
B63H1/20
Foreign References:
JPS55149497U1980-10-28
JP2014125047A2014-07-07
JP2010215223A2010-09-30
JPS48113194U1973-12-25
JPH01112198U1989-07-27
US5135358A1992-08-04
Attorney, Agent or Firm:
YANO INTERNATIONAL PATENT ATTORNEYS OFFICE, P.C. (Twin 21 MID Tower 34th Floor, 1-61 Shiromi 2-chome, Chuo-ku, Osaka-sh, Osaka 34, 〒5406134, JP)
Download PDF: