Folding propeller
AssigneeFlexofold ApS
InventorJack Skrydstrup
Life of this patent
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AssigneeFlexofold ApS
InventorJack Skrydstrup
Estimating the term…
A folding propeller for a boat, e.g., for a sailboat or a multihull yacht, and a method for installing and/or adjusting such a folding propeller, where said folding propeller has a hub for directly or indirectly fastening at a driveshaft connected to a motor, where said folding propeller further has at least two individual blades, where each of said blades has a root arranged to pivot around a pivot pin at said hub to be either in a first, operative position, where the blades are pointing mainly in a radial direction, and in a second, inoperative position, where the blades are pointing mainly in an axial direction, where said hub has one or more cut outs for said blades roots and further has a first set of holes for installing said pivot pins and a second set of holes for installing a locking device for engagement with said pivot pins.
A folding propeller for a boat, where said folding propeller comprises a hub for at least indirectly fastening at a driveshaft connected to a motor, where said folding propeller further comprises at least two individual blades, where each of said blades comprises a root arranged to pivot around a separate pivot pin at said hub in order to be in one of a first and second position, where the first position is an operative position, where the blades are pointing mainly in a radial direction, and where the second position is an inoperative position, where the blades are pointing mainly in an axial direction, where said hub comprises at least one cut out for said blades roots and further comprises a first set of holes for installing said pivot pins and a second set of holes for installing locking means for engagement with said pivot pins, wherein each of said locking means is a bolt or screw mounted in said second set of holes, wherein each of said pivot pins comprises means form of a through hole and a threaded hole for installation of said locking means, where each fastener is installed in a first pivot pin and further is engaging a second pivot pin whereby each pivot pin is connected with two fasteners and whereby the pivot pins and the fasteners are a closed structure that holds the propeller blades at the roots of the propeller blades.
Dependencies are inferred from the claim text.