Title:
舶用プロペラ
Document Type and Number:
Japanese Patent JP6706560
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an assembly ship propeller which enables easy change of pitches of propeller blades.SOLUTION: A ship propeller 1 includes: propeller blades each including a blade flange 31; a hollow propeller boss 2 provided with a blade fixation hole 21; discs 4, each of which contacts with the blade flange through the blade fixation hole, has a through hole 42 into which a fastening member 41 is inserted, is fastened to the blade flange by the fastening member, and sandwiches the propeller boss with the blade flange; at least one pin 6 held by at least one of the propeller boss and the disc; and bushes 8, each of which is inserted into an adjustment hole 7 provided at the other of the propeller boss and the disc and has a fitting hole in which the pin is fitted. The through hole of the disc is an elongated hole extending in a circumferential direction around a center of the blade flange.SELECTED DRAWING: Figure 2
More Like This:
Inventors:
Kazuhide Deer
Akihiro Higashi
Akihiro Higashi
Application Number:
JP2016163249A
Publication Date:
June 10, 2020
Filing Date:
August 24, 2016
Export Citation:
Assignee:
Kawasaki Heavy Industries, Ltd.
International Classes:
B63H3/12; B63H1/20
Domestic Patent References:
| JP2002544063A | ||||
| JP62143599U | ||||
| JP6410496U |
Foreign References:
| US3594099 |
Attorney, Agent or Firm:
Patent business corporation Yuko patent office