Spade rudder

Details Spade rudder Spade rudder

2011-04-19

2011-04-19

Swinehart, Edwin (Department: 3617)

Ships

Steering mechanism

Rudders

C114S162000

Reexamination Certificate

active

07926435

ABSTRACT:
Disclosed herein is a spade rudder, which is intended to relieve bending moment generated by a rudder, and to suppress vibrations generated from the rudder due to a propeller, in the case of a large ship. The spade rudder has a rudder stock for rotating a rudder, and a vertical bearing provided on a side surface of the rudder stock. The spade rudder further includes a stock gudgeon provided on a side surface of the vertical bearing, a horizontal bearing provided under the stock gudgeon, and a horizontal bearing housing provided at the junction of the rudder stock and the horizontal bearing, which are at right angles to each other, and dispersing a bending moment acting on the rudder.

REFERENCES:
patent: 2331706 (1943-10-01), Livingston
patent: 3919962 (1975-11-01), Clay
patent: 4024827 (1977-05-01), Becker
patent: 4448146 (1984-05-01), Becker
patent: 2002/0051586 (2002-05-01), Orndorff, Jr. et al.
patent: 44 26 953 (1996-02-01), None
patent: 103 35 485 (2005-03-01), None
patent: 0811552 (1997-12-01), None
patent: 21378 (1910-02-01), None
patent: 2 150 517 (1985-07-01), None
patent: 2206324 (1989-01-01), None
patent: 2000-16393 (2000-01-01), None
English Language translations of the abstracts of DE 10335485 and DE 4426953 as cited in the Examination Report for corresponding European Patent Application No. 06 835 248.3.
Examination Report for corresponding European Patent application No. 06 835 248.3, dated Jun. 21, 2010.
Examination Report for corresponding Japanese Patent Application No. 2008-528965, dated Aug. 25, 2010.
English Language translation of the abstract of Japanese Patent Application Publication No. 2000-16393 and the English Language translation of the text corresponding to the Examination Report for corresponding Japanese Patent Application No. 2008-528965.

Affiliated with

Also associated with

Rating

Spade rudder does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Spade rudder, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Spade rudder will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2652801