Folding propeller
AssigneeFlexofold ApS
InventorJack Skrydstrup
Life of this patent
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AssigneeFlexofold ApS
InventorJack Skrydstrup
Estimating the term…
The present invention discloses a folding propeller (1) for a boat, e.g. for a sailboat or a multihull yacht, where said folding propeller (1) comprises a hub (2) for directly or indirectly fastening at a driveshaft connected to a motor, where said folding propeller (1) further comprises at least three individual blades (3), where each of said blades (3) comprises a blade root (4) arranged to pivot around a separate pivot pin (9), at said hub (2) in order to be either in a first and operative position, where the blade (3) is pointing mainly in a radial direction, or in a second and inoperative position, where the blade (3) is pointing mainly in an axial direction, where said pivot pin (9) comprises a first and second end (20, 21), where said hub (2) comprises a cut out (19) for each of said blade roots (4), and further comprises a set of holes (10) for installing said pivot pins (9).
A folding propeller for a boat, where said folding propeller comprises a hub for directly or indirectly fastening at a driveshaft connected to a motor, where said folding propeller further comprises at least three individual blades, where each of said at least three individual blades comprises a blade root arranged to pivot around a separate pivot pin, at said hub in order to be either in a first and operative position, where each of said at least three individual blades is pointing mainly in a radial direction, or in a second and inoperative position, where each of said at least three individual blades is pointing mainly in an axial direction, where said pivot pin comprises a first and second end, where said hub comprises a cut out for each of said blade roots, and further comprises a set of holes for installing said pivot pins, where each of the holes in said set of holes for installing the pivot pins are inter-connected with an adjacent hole for installation of a separate pivot pin, where two adjacent holes at one end are arranged in a common aperture, called a lockbox seat, where said lockbox seat serves as installation opening for two adjacent pivot pins, wherein the two adjacent installed pivot pins at the respective ends engage with a common lockbox.
Dependencies are inferred from the claim text.