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1. 发明专利

JP2000262121A SPARE SEEDLING TABLE STRUCTURE FOR SULKY TYPE RICE TRANSPLANTER 失效
公开(公告)号：JP2000262121A
公开(公告)日：2000-09-26
申请号：JP6992999
申请日：1999-03-16
申请人： KUBOTA KK
发明人： KURANO JUNJI , YOSHIDA KAZUMASA , FURUICHI MASAKAZU , KITAI HIROAKI , TAKAO YUTAKA , FUJII KENJI , OCHI TATSUJI , KUKIDA TORU
IPC分类号： A01C11/02
摘要： PROBLEM TO BE SOLVED: To obtain a spare seedling table for sulky type rice transplanter easy to handle in suppressing the spare seedling table to protrude from a machine body in nonuse time and effectively utilizing it no only as the seedling table. SOLUTION: The spare seedling table 9 arranged in a standing condition on the outside of the machine is installed as swingably changing and attitude holding freely to operating attitude and storage attitude set inside the machine than the operating attitude, and in the swinging range of the spare seedling table 9 changing from the storing attitude to the operating attitude a swinging range freely swingable to the storing attitude by the deadweight of the seedling table is set, the position of the storing attitude as the swinging limit of the spare seedling table 9 is regulated, a range for the spare seedling table 9 as freely swingable to the operating attitude side by its deadweight in the swinging range from the operating attitude to the storing attitude is set, and the position of the operating attitude as the swinging limit of the spare seedling table 9 is regulated.

2. 发明专利

JPH09322618A SULKY RICE TRANSPLANTER 失效
公开(公告)号：JPH09322618A
公开(公告)日：1997-12-16
申请号：JP14532496
申请日：1996-06-07
申请人： KUBOTA KK
发明人： NAKAO YASUNARI , FURUICHI MASAKAZU
IPC分类号： A01C11/02
摘要： PROBLEM TO BE SOLVED: To provide a sulky rice transplanter capable of preventing an operation system for engaging an operation lever constituted so as to be positionally controllable and fixable with a grading float and the grading float from deforming or breaking by an outer force even if relatively large outer force is applied from grading float side to direction to which the grading float is lifted. SOLUTION: This rice transplanter is constituted so as to liftably connect a seedling planting apparatus constituted so as to freely vertically shakingly connect a grading float 13 around a second lateral shaft center P4 to the rear end of a shaking arm 15 extended from a float supporting shaft 14 which is rotatable around a first lateral shaft center P3 toward the rear and enable free fixing and changing of the height of the grading float 13 around the first lateral shaft center P3 in the rear of a traveling machine body. In the rice transplanter, an elastic communicating mechanism A displaced by outer force higher than set force from the grading float 13 to float raising direction is provided in an operation system B engaging the operation lever 18 with the grading float 13.

3. 发明专利

JP2000245212A FARM WORKING MACHINE 失效
公开(公告)号：JP2000245212A
公开(公告)日：2000-09-12
申请号：JP5257699
申请日：1999-03-01
申请人： KUBOTA KK
发明人： YASUDA MAKOTO , YOSHIDA KAZUMASA , KITAI HIROAKI , FUJII KENJI , FURUICHI MASAKAZU
IPC分类号： A01C11/02 , B62D55/116
摘要： PROBLEM TO BE SOLVED: To provide a farm working machine capable of improving the durability of the axle case for rear wheels. SOLUTION: This farm working machine is so designed that an axle case 10 mounted on both ends with speed reducing transmission cases 13 for rear wheels extendedly rearwardly downward is provided on a machine body 3 in a freely rolling-swingable manner around the longitudinal axis Y; wherein a pair of left and right abutment portions 17 abutted so as to suppress upward swing motion relative to the upper face portion of the left and right lateral positions of the axis Y are mounted on the machine body 3 side in such a mode as to be situated behind the axis of the transmission shaft inside the axle case 10.

4. 发明专利

JPH11127613A WORKING VEHICLE FOR PADDY FIELD 失效
公开(公告)号：JPH11127613A
公开(公告)日：1999-05-18
申请号：JP30162897
申请日：1997-11-04
申请人： KUBOTA KK
发明人： TANAKA TOMIO , MUKAI TAKESHI , KITAI HIROAKI , FUJII KENJI , FURUICHI MASAKAZU
IPC分类号： A01B69/00 , A01C11/02 , B62D7/14
摘要： PROBLEM TO BE SOLVED: To provide a working vehicle with side brakes capable of controlling each of light-and-left rear wheels independently, enabling an easy turning operation conducted by applying the side brake on the side of the center of turn. SOLUTION: This working vehicle is provided with an operating means capable of applying the side brake 45 on the center of turn when the front wheels 1 are turned from the forthright direction to the right of left direction and with a manual operating means 43 capable of manually controlling the operating means between activation and inactivation. Further, it employs a check means 68 designed to shift the manual operating means 43 to the stop position by being linked with a speed change gear when the speed change gear is shifted from the working position to the road running position.

5. 发明专利

JPH10327620A RICE TRANSPLANTER 失效
公开(公告)号：JPH10327620A
公开(公告)日：1998-12-15
申请号：JP13828797
申请日：1997-05-28
申请人： KUBOTA KK
发明人： TANAKA TOMIO , MUKAI TAKESHI , KITAI HIROAKI , FURUICHI MASAKAZU
IPC分类号： A01C11/02 , B62D11/08
摘要： PROBLEM TO BE SOLVED: To provide a rice planter having simplified structure, capable of using parts for more than one purpose, and having improved front and rear balance of a machine body by arranging supporting parts for supporting a front axle case so as to be freely rolled right and left at the front and the rear of the front axle case, and constituting one of front and rear supporting parts out of a front wheel accelerator. SOLUTION: This rice planter has an engine 4 arranged at the front part of a mobile machine body 1 having a seedling-transplanting device A connected to the rear end, a front wheel accelerator 9 capable of changing from the constant velocity state for rotatably driving front and rear wheels 10 and 7 at about the same velocity, to accelerating state for setting the rotating velocity of the front wheels 10 so as to be higher than that of the rear wheels 7. Further, the rice planter has supporting parts for supporting a front axle case 11 so as to freely roll right and left, and arranged at the front and the rear of the front axle case 11, and one of the front and rear supporting parts is constituted of the front wheel accelerator 9. A restraining means C for changing the front wheel accelerator 9 to the accelerating state only when the traveling speed of the mobile machine body 1 is set to a planting operation speed is preferably installed.

6. 发明专利

JP2000312513A SULKY RICE TRANSPLANTER 失效
公开(公告)号：JP2000312513A
公开(公告)日：2000-11-14
申请号：JP12363699
申请日：1999-04-30
申请人： KUBOTA KK
发明人： YASUDA MAKOTO , FURUICHI MASAKAZU , TANAKA TOMIO , FUJII KENJI , KITAI HIROAKI
IPC分类号： A01C11/02 , A01B69/02
摘要： PROBLEM TO BE SOLVED: To provide a sulky rice transplanter capable of simplifying a structure, controlling the occurrence of abnormal sound and abrasion of a clutch and a traveling transmission system and improving operability by connecting an output shaft of an engine to an input shaft of the clutch through an elastic joint. SOLUTION: An engine 5 is supported on a machine body frame by an elastic body 15 and a case 45 covering a clutch 44 is connected to the machine body frame. An output shaft 5a of the engine 5 is connected through an elastic joint 54 to an input shaft 46 of the clutch 44. The engine 5 and the clutch 44 are installed at the front part of a machine body and a transmission for traveling is arranged at the rear part of the machine body so as to transmit the power of the engine 5 to the clutch 44. Preferably, an output shaft 47 of the clutch 44 is connected to a line shaft 6 through a universal joint 55 and the line shaft 6 is connected to an input shaft of the transmission for traveling through the universal joint 55.

7. 发明专利

JPH11198849A PADDY FIELD WORKING VEHICLE 失效
公开(公告)号：JPH11198849A
公开(公告)日：1999-07-27
申请号：JP683198
申请日：1998-01-16
申请人： KUBOTA KK
发明人： TANAKA TOMIO , FUJII KENJI , MUKAI TAKESHI , KITAI HIROAKI , FURUICHI MASAKAZU , YASUDA MAKOTO , NISHIKAWA KOICHI
IPC分类号： A01C11/02 , B62D11/08
摘要： PROBLEM TO BE SOLVED: To prevent a paddy field from being roughed as much as possible for a small circle turn, in operating a side brake on the turning center side to the braking side for the small circular turn, by operating a checking means so as to be in a checking condition if there is a fear of a paddy field being roughed by a rear wheel on the turning center side. SOLUTION: A pit man arm 22 is steered by a steering handle. Where a setting lever is operated at an allowable position, for example, when the pit man arm 22 is steered to the right steering limit B side in excess of a right setting angle A1, an electromagnetic switching valve 27 is switched by a controller 31, and a front wheel change gear 13 is switched to the second condition. A right side brake 24 is operated to the braking side for a small circle turn. With the setting lever operated so as to be at a checking position, the right side brake 24 can be prevented from being operated so as to be on the braking side without the front wheel change gear 13 being switched to the second position.

8. 发明专利

JPH11196631A WORKING MACHINE IN PADDY FIELD 失效
公开(公告)号：JPH11196631A
公开(公告)日：1999-07-27
申请号：JP683098
申请日：1998-01-16
申请人： KUBOTA KK
发明人： TANAKA TOMIO , FUJII KENJI , MUKAI TAKESHI , KITAI HIROAKI , FURUICHI MASAKAZU , YASUDA MAKOTO , NISHIKAWA KOICHI
IPC分类号： A01B69/00 , A01C11/02 , B60T7/12 , B60T8/24 , B62D11/08 , B62D49/00
摘要： PROBLEM TO BE SOLVED: To compose a working machine in a paddy field so as to enable the turning without damaging a paddy surface to the utmost in the working machine in the paddy field composed so that a side brake on the central side of turning can automatically be operated to the braking side at the time of turning. SOLUTION: This working machine in a paddy field is composed so as to operate a side brake 24 on the central side of turning to the side of braking when front wheels are operated to steer from the side of the straight advance position A over the set angle A1 to the right or left and further automatically operate the side brake 24 on the central side of the turning to the side of releasing the brake before the front wheels reach the set angle A1 when the front wheels are operated to steer from the position where the front wheels are operated to steer over the set angle A1 to the right or left to the side of the straight advance position A.

9. 发明专利

JP2000253712A MECHANISM FOR LIFTING AND LOWERING WORKING DEVICE OF WORKING MACHINE IN PADDY FIELD 失效
公开(公告)号：JP2000253712A
公开(公告)日：2000-09-19
申请号：JP6159999
申请日：1999-03-09
申请人： KUBOTA KK
发明人： YASUDA MAKOTO , TAKAO YUTAKA , SONODA YOSHIAKI , KITAI HIROAKI , FURUICHI MASAKAZU , FUJII KENJI
IPC分类号： A01C11/02 , A01B63/10
摘要： PROBLEM TO BE SOLVED: To smoothly lift quadric link mechanisms for the capacity of a hydraulic cylinder. SOLUTION: This mechanism is obtained by composing quadric link mechanisms 4 from lower links 6 and upper links 7 for connecting to a mobile machine body so as to vertically freely rotate around each of a first shaft center P1 and a second shaft center P2 and vertical links 8 for attaching a working device capable of connecting to the rear of the lower links 6 and the upper links 7 so as to vertically freely rotate around a third second shaft center P3 and a fourth shaft center P4 and further a hydraulic cylinder 5 capable of performing shortening operations, thereby lifting the quadric link mechanisms 4, carrying out extending operations and thereby lowering the quadric link mechanisms 4. In a state of the quadric link mechanisms 4 located at parts in the lower region of a lifting and lowering range, a pivotally connecting point R1 of the hydraulic cylinder 5 to the mobile machine body 1 is located at a rear position of the second shaft center P2 and a pivotally connecting point R2 of the hydraulic cylinder 5 with the quadric link mechanisms 4 is made coincident with the third shaft center P3.

10. 发明专利

JP2000060246A SEEDLING GUIDE STRUCTURE IN RICE TRANSPLANTER 失效
公开(公告)号：JP2000060246A
公开(公告)日：2000-02-29
申请号：JP24138098
申请日：1998-08-27
申请人： KUBOTA KK
发明人： YOSHIDA KAZUMASA , KURANO JUNJI , FUJII KENJI , FURUICHI MASAKAZU
IPC分类号： A01C11/02
摘要： PROBLEM TO BE SOLVED: To provide a seedling guide structure in a rice transplanter capable of increasing durability of the machine while excellently maintaining a distance between right and left in a seedling guide body. SOLUTION: This seedling guide structure in a rice transplanter has a right and left pair of seedling guide bodies 18 downwardly extended along a passing locus of a planting craw from a seedling takeout port in a lower part of a seedling loading stage so as to narrow their distance in going downward, and a connecting member 19 keeping the distance between both of the seedling guide bodies 18 constant is brought round from front of the opposite side of the side having the planting claw and both of the guide the seedling guide bodies 18 are fitted from rear.

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