Work vehicle

• US 10,000,120 B2
• Filed: 03/09/2015
• Issued: 06/19/2018
• Est. Priority Date: 05/28/2014
• Status: Active Grant

• Current Assignee: Kubota Corporation
• Original Assignee: Kubota Corporation
• Inventors: Kobayashi, Daisuke, Kakudate, Akari, Fujii, Daisuke, Inamori, Takuya, Kikuchi, Muneomi, Furukawa, Ryuusuke
• Primary Examiner(s): Condra, Darlene P
• Application Number:
  US14/641,757
• Publication Number:
  US 20150344084A1
• Time in Patent Office: 1,198 Days
• CPC Class Codes: B60K 25/00 Auxiliary drives B60K16/00 takes precedence; arrangements of tyre-inflating pumps mounted on vehicles B60C23/10; driving tyre-inflating pumps B60C; driving engine auxiliaries F02B
• CPC Class Codes: B62D 33/073 characterised by special adaptations of vehicle control devices
• CPC Class Codes: G05G 1/04 Controlling members for hand actuation by pivoting movement, e.g. levers
• CPC Class Codes: G05G 1/30 Controlling members actuated by foot
• CPC Class Codes: Y10T 74/20396 Hand operated

Abstract

The present invention is a work vehicle having a first operation tool which is rockable or movable in a front/back direction arranged on a one side of a driver'"'"'s seat. A second operation tool is rockable or movable in the front/back direction and is arranged forward of the first operation tool. A third operation tool is depressible and is arranged between the first operation tool and the second operation tool in the front/back direction.

Claims

1. A work vehicle, comprising:

a driver'"'"'s seat;

a first operation tool which is rockable in a front/back direction and arranged on one of a left side and a right side of the driver'"'"'s seat;

a second operation tool which is rockable in the front/back direction and arranged forward of the first operation tool; and

a third operation tool which is depressible and arranged between the first operation tool and the second operation tool in the front/back direction,

wherein the third operation tool is located below an upper end of both the first operation tool and the second operation tool, and

wherein the third operation tool is located forward of the first operation tool even when the first operation tool is in a forward position.

2. The work vehicle according to claim 1, wherein the first operation tool, the second operation tool, and the third operation tool operate at least one work apparatus.

3. The work vehicle according to claim 1, wherein the third operation tool is a PTO clutch operation tool which disengages/engages power transmitted to a PTO shaft.

4. The work vehicle according to claim 1, wherein the second operation tool is a front loader operation tool which is rockable in both the front/back direction and a right/left direction, and operates a front loader.

5. The work vehicle according to claim 1, wherein:

the first operation tool comprises a user grippable first grip arranged at a position higher than the third operation tool; and

the second operation tool comprises a user grippable second grip arranged at a position higher than the first operation tool and the third operation tool.

6. The work vehicle according to claim 1, wherein the work vehicle is a tractor.

7. The work vehicle according to claim 1, wherein the first operation tool is located more rearward than a front end of the driver'"'"'s seat and the second operation tool is located more forward than the front end of the driver'"'"'s seat.

8. The work vehicle according to claim 7, wherein the upper end of the first operation tool is located below the upper end of the second operation tool.

9. A work vehicle, comprising:

a driver'"'"'s seat;

a first operation tool which is rockable in a front/back direction and arranged on one of a left side and a right side of the driver'"'"'s seat;

a second operation tool which is rockable in the front/back direction and arranged forward of the first operation tool; and

a third operation tool which is depressible and arranged between the first operation tool and the second operation tool in the front/back direction,

wherein the third operation tool is located below an upper end of both the first operation tool and the second operation tool, and

wherein the first operation tool is a PTO speed change operation tool adapted to change a speed of a PTO shaft.

10. A work vehicle, comprising:

a driver'"'"'s seat;

a first operation tool which is rockable or movable in a front/back direction and arranged on one of a left side and a right side of the driver'"'"'s seat;

a second operation tool which is rockable or movable in the front/back direction and arranged on one of the left side and the right side of the driver'"'"'s seat; and

a third operation tool which is depressible and arranged on one of the left side and the right side of the driver'"'"'s seat;

wherein;

the first operation tool comprises a first grip arranged at a position higher than the third operation tool; and

the second operation tool comprises a second grip arranged at a position higher than the first operation tool and the third operation tool, and

wherein an upper end the third operation tool is located below an upper end of both the first operation tool and the second operation tool, and

wherein the third operation tool is located forward of the first operation tool even when the first operation tool is in a forward position.

11. The work vehicle according to claim 10, wherein the first operation tool, the second operation tool, and the third operation tool operate at least one work apparatus.

12. The work vehicle according to claim 10, wherein the third operation tool is a PTO clutch operation tool which disengages/engages power transmitted to a PTO shaft.

13. The work vehicle according to claim 10, wherein the second operation tool is a front loader operation tool which is rockable in the front/back direction and the right/left direction and operates a front loader.

14. The work vehicle according to claim 10, wherein the work vehicle is a tractor.

15. A work vehicle, comprising:

a driver'"'"'s seat;

a first operation tool which is rockable or movable in a front/back direction and arranged on one of a left side and a right side of the driver'"'"'s seat;

a second operation tool which is rockable or movable in the front/back direction and arranged on one of the left side and the right side of the driver'"'"'s seat; and

a third operation tool which is depressible and arranged on one of the left side and the right side of the driver'"'"'s seat;

wherein;

the first operation tool comprises a first grip arranged at a position higher than the third operation tool; and

the second operation tool comprises a second grip arranged at a position higher than the first operation tool and the third operation tool,

wherein an upper end the third operation tool is located below an upper end of both the first operation tool and the second operation tool, and

wherein the first operation tool is a PTO speed change operation tool which changes a speed and/or power transmitted to a PTO shaft.

16. A work vehicle, comprising:

a driver'"'"'s seat;

a PTO operation tool which is rockable or movable in a front/back direction and arranged on one of a left side and a right side of the driver'"'"'s seat;

a front loader operation tool which operates a front loader and is rockable or movable in the front/back direction and a left/right direction arranged forward of the PTO operation tool; and

a depressible PTO clutch operation tool arranged, relative to the front/back direction, between the PTO operation tool and the front loader operation tool and which is adapted to disengage/engage power transmitted to a PTO shaft,

wherein the depressible PTO clutch operation tool is located below an upper end of both the PTO operation tool and the front loader operation tool.

17. The work vehicle according to claim 16, wherein:

the PTO operation tool comprises a first grip arranged at a position higher than the PTO clutch operation tool; and

the front loader operation tool comprises a second grip arranged at a position higher than the PTO operation tool and the PTO clutch operation tool.

18. The work vehicle according to claim 16, wherein:

the PTO operation tool comprises a user grippable grip arranged at a position higher than a user grippable portion of the PTO clutch operation tool; and

the front loader operation tool comprises a user grippable grip arranged at a position higher than the grippable grip of the PTO operation tool and the grippable portion of the PTO clutch operation tool.

19. The work vehicle according to claim 16, wherein the work vehicle is a tractor.

20. A work vehicle, comprising:

a driver'"'"'s seat;

a first operation tool which is rockable or movable in a front/back direction and arranged on one of a left side and a right side of the driver'"'"'s seat;

a second operation tool which is rockable or movable in the front/back direction and arranged on one of the left side and the right side of the driver'"'"'s seat; and

a third operation tool which is depressible and arranged on one of the left side and the right side of the driver'"'"'s seat;

wherein;

the first operation tool comprises a first grip arranged at a position higher than the third operation tool; and

the second operation tool comprises a second grip arranged at a position higher than the first operation tool and the third operation tool,

wherein an upper end the third operation tool is located below an upper end of both the first operation tool and the second operation tool, and

wherein the upper end of the second operation tool is located above the upper end of the first operation tool and wherein the second and third operation tools are located more forward than a front end of the driver'"'"'s seat.