Propeller for vessel propulsion apparatus and vessel propulsion apparatus
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United States of America Patent
Stats
-
Oct 3, 2023
Grant Date -
Dec 22, 2022
app pub date -
Jun 3, 2022
filing date -
Jun 22, 2021
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A propeller includes a bushing, a propeller body, and a propeller damper. The bushing includes a first cylinder portion surrounding the propeller shaft and a first projection protruding outwardly in a radial direction of the propeller from an outer peripheral surface of the first cylinder portion. The propeller body includes a second cylinder portion surrounding the bushing and a second projection protruding inwardly in the radial direction from an inner peripheral surface of the second cylinder portion. The first and second projections are arranged along a rotation direction of the propeller. The propeller damper includes first and second dampers side by side along an axial direction of the propeller between the first and second cylinders. The first and second dampers are separated from each other by a separation portion, and are individually elastically deformable.
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