ELECTRIC WORK VEHICLE

• US 20160014956A1
• Filed: 11/08/2013
• Published: 01/21/2016
• Est. Priority Date: 06/19/2013
• Status: Abandoned Application

• Current Assignee: Yanmar Company Limited (Yanmar Holdings Co., Ltd.)
• Original Assignee: Yanmar Company Limited (Yanmar Holdings Co., Ltd.)
• Inventors: MATSUMOTO, Keiji, HAYASHI, Keiichi
• Application Number:
  US14/773,821
• Publication Number:
  US 20160014956A1
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: A01D 34/008 for automated or remotely controlled operation
• CPC Class Codes: A01D 34/64 mounted on a vehicle, e.g. a tractor, or drawn by an animal or a vehicle A01D34/695 takes precedence
• CPC Class Codes: A01D 34/66 with two or more cutters
• CPC Class Codes: A01D 34/661 Mounting means
• CPC Class Codes: A01D 34/78 electric
• CPC Class Codes: A01D 34/82 Other details

Abstract

An electric work vehicle 10 includes: a pair of right and left drive wheels 13; a pair of right and left traveling motors 16 configured to drive the respective drive wheels; and a first work unit MU including a first working portion 45 to execute main work and a first work motor 15 to drive the first working portion 45, wherein provided are: the second work unit SMU including a second working portion 62 to execute secondary work and a second work motor 61 to drive the second working portion 62; and a lateral moving unit capable of integrally moving the second working portion 62 and the second work motor 61 in a lateral direction of the electric work vehicle 10.

Claims

1. An electric work vehicle, comprising:

a pair of right and left drive wheels;

a pair of right and left traveling motors configured to drive the respective drive wheels; and

a first work unit including a first working portion to execute main work and a first work motor to drive the first working portion,

a second work unit including a second working portion to execute secondary work and a second work motor to drive the second working portion, and

a lateral moving unit being capable of integrally moving the second working portion and the second work motor in a lateral direction of the electric work vehicle.

2. The electric work vehicle according to claim 1, including a vertical moving unit capable of moving or rotating the second work unit in the vertical direction of the electric work vehicle.

3. The electric work vehicle according to claim 1, wherein the second work unit is detachably attached to the electric work vehicle.

4. The electric work vehicle according to claim 1, wherein the lateral moving unit includes:

an endless body stretched in the lateral direction;

a plurality of rotating bodies configured to wind the endless body; and

a motor including an output shaft configured to fix one of the plurality of rotating bodies.

5. The electric work vehicle according to claim 1, using the first work unit to execute lawn mowing, wherein

the first working portion is a mower blade attached to the first work motor,

a mower deck configured to cover the mower blade is provided,

the second work unit is used for lawn mowing,

also the second working portion is a sub mower blade attached to the second work motor,

a sub mower deck configured to cover the sub mower blade is provided, and

the sub mower blade is smaller than the mower blade.

6. The electric work vehicle according to claim 1, capable of executing work by autonomous travel using a GPS satellite without an operator riding on the electric work vehicle.

7. An electric work vehicle, comprising:

a pair of right and left drive wheels;

a pair of right and left traveling motors configured to drive the respective drive wheels; and

a first work unit including a first working portion to execute main work and a first work motor to drive the first working portion, wherein

a second work unit includes a plurality of second working portions to execute secondary work and a plurality of second work motors to respectively drive the plurality of second working portions, and

the second working portions are disposed aligned in a lateral direction of the electric work vehicle.

8. The electric work vehicle according to claim 7, wherein the plurality of second working portions is disposed adjacent to one another.

9. The electric work vehicle according to claim 7, including a vertical moving unit capable of respectively moving the plurality of second working portions in the vertical direction of the electric work vehicle.

10. The electric work vehicle according to claim 7, wherein the second work unit is detachably attached to the electric work vehicle.

11. The electric work vehicle according to claim 7, configured to use the first work unit to execute lawn mowing, wherein

the first working portion is a mower blade attached to the first work motor,

a mower deck configured to cover the mower blade is provided,

the second work unit is used for lawn mowing,

also the second working portion is a sub mower blade attached to the second work motor,

a sub mower deck configured to cover the sub mower blade is provided, and

the sub mower blade is smaller than the mower blade.

12. The electric work vehicle according to claim 7, capable of executing work by autonomous travel using a GPS satellite without an operator riding on the electric work vehicle.