Electric mower

Patent metadata

Field	Value
Publication number	US-12588599-B2
Application number	US-202318213305-A
Country	US
Kind code	B2
Filing date	Jun 23, 2023
Priority date	Jun 23, 2023
Publication date	Mar 31, 2026
Grant date	Mar 31, 2026

Abstract

An electric mower includes: a body; a battery on the body; a cover including: a back wall backward of the battery; and a left side wall and a right side wall each extending forward from the back wall, the cover covering at least a portion of the battery; at least one motor drivable by the battery; and at least one controller disposed between the battery and at least one of the left and right side walls and configured to control the at least one motor.

First claim

The invention claimed is:

1 . An electric mower, comprising:
a body; a battery on the body; a cover including:
a back wall backward of the battery; and
a left side wall and a right side wall each extending forward from the back wall, the cover covering at least a portion of the battery;
at least one motor drivable by the battery; and at least one controller disposed between the battery and at least one of the left and right side walls and configured to control the at least one motor; wherein the left side wall and the right side wall each includes:
an opening for cooling the at least one controller;
a dust preventer plate configured to prevent suction of dust through the opening; and
a plate member integrally including the opening and the dust preventer plate.

2 . The electric mower according to claim 1 , wherein
the dust preventer plate is connected to a front end of the opening and so inclined that a portion farther backward is farther apart from the opening.

3 . The electric mower according to claim 1 , wherein
the at least one controller includes a heat sink section exposed through the opening.

4 . An electric mower, comprising:
a body; a battery on the body; a cover including;
a back wall backward of the battery; and
a left side wall and a right side wall each extending forward from the back wall, the cover covering at least a portion of the battery;
at least one motor drivable by the battery; and at least one controller disposed between the battery and at least one of the left and right side walls and configured to control the at least one motor; wherein the left side wall and the right side wall each includes an opening for cooling the at least one controller, and wherein the opening has (i) a front end forward of a front end of the at least one controller and (ii) a back end backward of the front end of the at least one controller.

5 . The electric mower according to claim 1 , further comprising:
a driver's seat; and a rollover protection structure backward of the driver's seat, wherein the at least one controller is backward of a lower end portion of the rollover protection structure.

6 . The electric mower according to claim 1 , further comprising:
two drive wheels at left and right portions of the body, wherein the at least one motor includes two motors configured to drive the respective drive wheels, the at least one controller includes two controllers, the drive wheels, the motors, and the controllers form two combinations, and the controllers are between the left side wall and the right side wall and on respective opposite sides in a direction of a width of the electric mower.

7 . The electric mower according to claim 6 , further comprising:
a mower unit; and a holder device disposed forward of one of the controllers and configured to temporarily hold the mower unit at a lifted position.

Assignees

• Kubota Kk

Inventors

• Lynn Jordan

Classifications

• A01D34/003

  Means for cleaning the machine · CPC title

• A01D34/243

  Mechanical lifting devices (A01D34/26 takes precedence) · CPC title

• A01D34/006

  Control or measuring arrangements · CPC title

• A01D75/187

  Removing foreign objects · CPC title

• A01D34/66

  with two or more cutters · CPC title