Foldable propeller and method for assembly
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United States of America Patent
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Oct 6, 2020
Grant Date -
May 9, 2019
app pub date -
Jun 19, 2018
filing date -
Jun 19, 2017
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention relates to a foldable propeller (1) for a boat, e.g. for a sailboat or a multihull yacht, where the foldable propeller (1) comprises a hub (2) 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 (4) 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 (2) comprises a number of hub flanges (28) for holding the pivot pins (9). The pivot pin (9) comprises at its second end (21) a head (26) with a recess (24) that accommodates the first end (20) of another of the pivot pins (9) inside the head (26).
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