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Paddy Field Work Machine
Abstract: [Problem] To improve control valve operability and work clutch operability of a paddy field work machine. [Solution] This paddy field work machine is provided with a control valve 24 for supplying and exhausting operating oil to and from a hydraulic cylinder 5 to activate the hydraulic cylinder 5, and lifting/lowering linkage mechanisms 43, 44 for maintaining the work device at a set height H1 from a paddy surface G by operating the control valve 24. The paddy field work machine is also provided with a lifting/lowering actuator 56 capable of operating the control valve 24 and the work clutch 21, a human-operable manipulator 78, and a lifting/lowering control unit 101 for activating the lifting/lowering actuator 56 on the basis of an operation of the manipulator 78. The lifting/lowering control unit 101, when the manipulator 78 has been operated into an up position U2, activates the lifting/lowering actuator 56 so that the work clutch 21 is operated to a disengaged position and, with priority over the lifting/lowering linkage mechanisms 43, 44, the control valve 24 is operated to and maintained in an upward activation position.
Notices, Deadlines & Correspondence
Patent Information
Applicants
KUBOTA CORPORATION
Inventors
1. SHIBAHARA Ai
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 202147022772-STATEMENT OF UNDERTAKING (FORM 3) [21-05-2021(online)].pdf | 2021-05-21 |
| 2 | 202147022772-PRIORITY DOCUMENTS [21-05-2021(online)].pdf | 2021-05-21 |
| 3 | 202147022772-POWER OF AUTHORITY [21-05-2021(online)].pdf | 2021-05-21 |
| 4 | 202147022772-FORM 1 [21-05-2021(online)].pdf | 2021-05-21 |
| 5 | 202147022772-DRAWINGS [21-05-2021(online)].pdf | 2021-05-21 |
| 6 | 202147022772-DECLARATION OF INVENTORSHIP (FORM 5) [21-05-2021(online)].pdf | 2021-05-21 |
| 7 | 202147022772-COMPLETE SPECIFICATION [21-05-2021(online)].pdf | 2021-05-21 |
| 8 | 202147022772-Proof of Right [28-06-2021(online)].pdf | 2021-06-28 |
| 9 | 202147022772-FORM-26 [17-08-2021(online)].pdf | 2021-08-17 |
| 10 | 202147022772.pdf | 2021-10-18 |
| 11 | 202147022772-FORM 3 [22-11-2021(online)].pdf | 2021-11-22 |
| 12 | 202147022772-Correspondence_Form 1_22-11-2021.pdf | 2021-11-22 |
| 13 | 202147022772-Correspondence_Form-26_18-08-2022.pdf | 2022-08-18 |
| 14 | 202147022772-FORM 18 [25-11-2022(online)].pdf | 2022-11-25 |
| 15 | 202147022772-FER.pdf | 2022-11-29 |
| 16 | 202147022772-OTHERS [29-05-2023(online)].pdf | 2023-05-29 |
| 17 | 202147022772-FORM 3 [29-05-2023(online)].pdf | 2023-05-29 |
| 18 | 202147022772-FER_SER_REPLY [29-05-2023(online)].pdf | 2023-05-29 |
| 19 | 202147022772-COMPLETE SPECIFICATION [29-05-2023(online)].pdf | 2023-05-29 |
| 20 | 202147022772-CLAIMS [29-05-2023(online)].pdf | 2023-05-29 |
| 21 | 202147022772-PatentCertificate23-01-2024.pdf | 2024-01-23 |
| 22 | 202147022772-IntimationOfGrant23-01-2024.pdf | 2024-01-23 |
Search Strategy
| 1 | 202147022772E_29-11-2022.pdf |