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:
Oct. 06, 2020
Filed:
Jun. 19, 2018
Flexofold Aps, Vejle, DK;
Jack Skrydstrup, Egtved, DK;
Ulrik Nielsen, Silkeborg, DK;
Flexofold ApS, Vejle, DK;
Abstract
The present invention relates to a foldable propeller () for a boat, e.g. for a sailboat or a multihull yacht, where the foldable propeller () comprises a hub () with a plurality of blades, each blade comprising a blade root arranged to pivot around a separate pivot pin in order to be either in a first operative orientation, where the blade () is pointing mainly in a radial direction, or in a second inoperative orientation, where the blade is pointing mainly in an axial direction. The hub () comprises a number of hub flanges () for holding the pivot pins (). The pivot pin () comprises at its second end () a head () with a recess () that accommodates the first end () of another of the pivot pins () inside the head ().