The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 14, 1981
Filed:
May. 09, 1979
Jerzy Doerffer, Sopot, PL;
Jerzy Madey, Gdansk-Wrzeszcz, PL;
Jan Kozlowski, Gdansk-Wrzeszcz, PL;
Andrzej Niepiekto, Gdansk-Wrzeszcz, PL;
Politechnika Gdanska, Gdansk, PL;
Abstract
This invention relates to braking rudder device consisting of turning rudder blade, horizontal plates and fixed rudder post, which is characterized by dividing the rudder blade in plane of symmetry in two blades, which are turning independently by an angle up to 110.degree. around their common axis where they are connected hingewise and their trailing edge is in the form of a wedge, while each of the blades are stiffened by horizontal plates which in extreme outboard position are bearing upon the rudder post and along the trailing edges are fitted vertical flaps capable of turning by an angle up to 90.degree..