IP Library › Granted Patent US 12,509,203
Granted Patent B2
US 12,509,203 · App. 17/981,912 · Granted Dec 30, 2025

Electric outboard motor

Inventors: Masato Fujiwara (Saitama, JP); Kota Nakamori (Saitama, JP); Tatsuya Shibuya (Saitama, JP)
Assignee: HONDA MOTOR CO., LTD.
B63H20/007
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Quick Facts
Patent No.
US 12,509,203
App. No.
17/981,912
Granted
Dec 30, 2025
Kind
B2
Abstract

An electric outboard motor includes: an electric motor disposed in an upper portion; a propeller disposed in a lower portion; a drive shaft extending in an up-down direction to transmit rotation of the electric motor to the propeller; and a case including a case upper portion that houses the electric motor and a case lower portion that houses the drive shaft. The case upper portion includes a rearward extension that extends rearward relative to the case lower portion, and a shoulder pad member which is a member separate from the case is provided on a lower surface of the rearward extension.

Claims (15)

1 . An electric outboard motor, comprising:

an electric motor disposed in an upper portion;

a propeller disposed in a lower portion;

a drive shaft extending in an up-down direction to transmit rotation of the electric motor to the propeller;

a case including a case upper portion that houses the electric motor and a case lower portion that houses the drive shaft; and

a mounting device for mounting the case to a hull,

wherein the case upper portion includes a rearward extension that extends rearward relative to the case lower portion, and a shoulder pad member which is a member separate from the case is provided on a lower surface of the rearward extension, and

wherein a grasping member which is a member separate from the case is provided on a front part of the case lower portion spaced downward from the case upper portion, the front part being below the mounting device.

2 . The electric outboard motor according to claim 1 , wherein the shoulder pad member has an elastic modulus smaller than that of the case.

3 . The electric outboard motor according to claim 1 , wherein the lower surface of the rearward extension is connected to a rear surface of the case lower portion via a curved surface, and the shoulder pad member is provided to extend from the lower surface to the curved surface.

4 . The electric outboard motor according to claim 3 , wherein the shoulder pad member extends over a first dimension in the up-down direction and extends over a second dimension greater than the first dimension in a front-rear direction.

5 . The electric outboard motor according to claim 4 , wherein the shoulder pad member extends to a rear end of the rearward extension.

6 . The electric outboard motor according to claim 1 , wherein the grasping member has an elastic modulus smaller than that of the case.

7 . The electric outboard motor according to claim 1 , wherein the grasping member is made of a sheet material provided along an outer surface of the case lower portion and has a surface formed with irregularities.

8 . The electric outboard motor according to claim 7 , wherein the case lower portion has at least one of protruding portions that protrude in a horizontal direction above and below the grasping member, respectively.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 7, 2022
From: FUJIWARA, MASATO; NAKAMORI, KOTA; SHIBUYA, TATSUYA
To: HONDA MOTOR CO., LTD.
Reel/Frame 061676/0325 →
Priority Claims (1)
JP 2021-187250 · Nov 17, 2021 · national
Continuity (1)
Related Publication 20230150633A1 · May 18, 2023
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