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1. 发明专利

JP2002316675A WORKING VEHICLE 失效
公开(公告)号：JP2002316675A
公开(公告)日：2002-10-29
申请号：JP2001123376
申请日：2001-04-20
申请人： ISEKI AGRICULT MACH
发明人： TOKUZUMI ATSUSHI , SAEKI HIDEAKI , SAKURAHARA KIYOBUMI , GOTO YASUSHI
IPC分类号： B62D55/04 , B62D49/00
摘要： PROBLEM TO BE SOLVED: To facilitate replacement between a wheel type rear wheel and a semi-crawler type drive by relieving a trouble in attaching and removing the wheel type rear wheel or the semi-crawler type drive, in a working vehicle which is capable of selective installation of the wheel type rear wheel or the semi-crawler type drive. SOLUTION: A rear reduction gear part 46 is provided in a rear axle housing 44. A first rear axle and a second rear axle 15b, of which the output speeds are different from each other, are arranged so as to be installed. A rear fender rear half 26b positioned above the rear axle is constituted to as to be detachable. In performing the replacement between the wheel type and the semi- crawler, the rear fender rear half 26b is removed temporarily, so that the semi- crawler type drive 20 is lifted up with a crane, a hoist or the like, thereby facilitating the replacement.

2. 发明专利

JP2000060206A DEVICE FOR PROHIBITING ROTARY MOTION OF ADJUSTING HANDLE OF FARMING MACHINE 失效
公开(公告)号：JP2000060206A
公开(公告)日：2000-02-29
申请号：JP23311798
申请日：1998-08-19
申请人： ISEKI AGRICULT MACH
发明人： AIZAWA RYOICHI , ISHIMARU MASAKUNI , SAKURAHARA KIYOBUMI , TAKAHASHI HISASHI , NAGAI SATOSHI , KANENAMI SEIJI , SAEKI HIDEAKI
IPC分类号： A01B33/12 , A01B49/00 , G05G1/04 , G05G5/04
摘要： PROBLEM TO BE SOLVED: To firmly prohibiting the rotary motion of an adjusting handle of a farming machine by a simple operation. SOLUTION: When an adjusting handle 3 of a farming machine has a handle shaft 4 movably supported by a support metal 2 and having the handle 3 at its tip, and the support metal 2 is borne by brackets 1, the device of this invention has a stopper pin 5 retained along both the handle 3 and the shaft 4, the bottom of which is engaged with the support metal 2 in a stationary state.

3. 发明专利

JPH09149704A CONTROL DEVICE FOR WORKING VEHICLE 失效
公开(公告)号：JPH09149704A
公开(公告)日：1997-06-10
申请号：JP31112795
申请日：1995-11-29
申请人： ISEKI AGRICULT MACH
发明人： FUJITA NOBUO , KANENAMI SEIJI , SAKURAHARA KIYOBUMI , TAKAHASHI HISASHI , ISHIDA TOMOYUKI , ONO HIROYOSHI , IKEDA MITSUHIKO , SAEKI HIDEAKI
IPC分类号： A01B69/00 , A01B63/00
摘要： PROBLEM TO BE SOLVED: To provide a control device for a working vehicle, excellent in operation safety and operation efficiency, preventing malfunction, by installing a restraint state notifying means when a restraining means to check the operation output of the control device works. SOLUTION: In a working vehicle equipped with a control device to output operation when a set operation condition is satisfied and a switch such as a back-up control switch 22 to make the control device on-off, the control device is equipped with a restraining means such as a restraint release switch 15 to check the operation output of the control device when the switch is on and with a restraint state notifying means of an indication lamp 12a or a liquid crystal display picture 12b, informing a restraint state when the restraining means works.

4. 发明专利

JP2002316674A WORKING VEHICLE 失效
公开(公告)号：JP2002316674A
公开(公告)日：2002-10-29
申请号：JP2001121253
申请日：2001-04-19
申请人： ISEKI AGRICULT MACH
发明人： TSUNEKAWA MATSUHIKO , SAEKI HIDEAKI
IPC分类号： B62D55/02 , B62D49/00 , B62D55/084
摘要： PROBLEM TO BE SOLVED: To facilitate exchangeability between wheel type and semi-crawler type drives and improve drivability with the semi-crawler type, in a working vehicle which permits the semi-crawler type or a wheel type rear wheel to be selectively attached to a rear axle. SOLUTION: On a front wheel transmission shaft 37, a rotation switching part 40 is provided at a lower position of a spacer transmission case 14b. By the operation of a mode selecting part provided near a driver's seat, the rotation switching part 40 is switched, thus it is possible to easily change a rotational speed transmitted to the front wheel using the wheel type and the semi-crawler type.

5. 发明专利

JP2002249065A POWER TRANSMISSION CONTROLLER FOR WORKING VEHICLE 失效
公开(公告)号：JP2002249065A
公开(公告)日：2002-09-03
申请号：JP2001051436
申请日：2001-02-27
申请人： ISEKI AGRICULT MACH
发明人： FURUKAWA KOJI , UEJI HITOSHI , TAKAHASHI MASAYUKI , ISHIDA TOMOYUKI , SAEKI HIDEAKI
IPC分类号： A01B69/00 , B62D11/08 , B62D11/10 , B62D49/00 , B62D55/06
摘要： PROBLEM TO BE SOLVED: To prevent the ground surface from being roughened by not locking the rotation of a crawler even when an unexperienced operator is operated when a working vehicle with a crawler-type traveling device revolves its body while adjusting a left and right speed ratio of a driving mechanism. SOLUTION: A rear axle case 47 is provided with the driving mechanism composed of a normal and reverse rotation selecting device 72 and a two-stage planetary gear mechanism 76 or the like, and a speed ratio of the left and right crawlers 16, 16 is adjusted by sliding a clutch 75 for normal rotation whereby the car body is moderately revolved. In the case when the rotation of one of the crawlers 16 is lowered to less than a predetermined speed or stopped, the clutch 75 for normal rotation is intermittently connected and disconnected to prevent the locking of the crawler 16.

6. 发明专利

JP2001354086A CONTROL DEVICE FOR WORKING VEHICLE 失效
公开(公告)号：JP2001354086A
公开(公告)日：2001-12-25
申请号：JP2000175324
申请日：2000-06-12
申请人： ISEKI AGRICULT MACH
发明人： ISHII NAOHIKO , OKAZAKI TOSHINORI , KATO TAKESHI , GOTO YASUSHI , SAEKI HIDEAKI , KAJINO YUTAKA
IPC分类号： A01B69/00 , B60K20/00 , B60K23/00 , B60R16/02 , B62D49/00
摘要： PROBLEM TO BE SOLVED: To solve the problem that a conventional working vehicle cannot be smoothly moved and is hardly repaired due to the disturbance of working parts when an operating element for an actuator or a sensor for detecting the operating element is in failure. SOLUTION: When a signal for an emergency mode change-over switch 23 is input to a controller 7 for a tractor during inputting power, an operation signal for the operating element for actuating an indicator, for example, a winch lever is changed into an actuation signal for a hydraulic clutch for a forward/backward changer.

7. 发明专利

JP2001037301A COVER-SUPPORTING DEVICE IN ROTARY WORKING MACHINE 失效
公开(公告)号：JP2001037301A
公开(公告)日：2001-02-13
申请号：JP21373099
申请日：1999-07-28
申请人： ISEKI AGRICULT MACH
发明人： AIZAWA RYOICHI , SAEKI HIDEAKI
IPC分类号： A01B33/12
摘要： PROBLEM TO BE SOLVED: To enable a space between a tillage tine of a rotary working machine and a cover to be simply regulated in a wide range. SOLUTION: Expandable pipes 22 are pivotally attached to right and left connecting pipes 2 so as to be freely turned upper and lower, and guide bars 26 are arranged at the lower parts of the expandable pipes 22. The front end parts 26a of the guide bars 26 are supported by supporting parts 27 so as to be slidable in the front and rear direction, and the rear end parts 26b of the guide bars 26 are engaged to U-shaped engaging parts 28. The guide bars 26 are fixed to brackets 29 fixed on the upper surface of a main cover 6 so as to penetrate the brackets 29. A pillow ball 8 is installed between the brackets 29, and a rear cover 7 is supported by the pillow ball 8 so as to be swingable upper and lower, and right and left. The space between the rear cover 7 and a tillage tine 5 is regulated by expanding and contracting the expandable pipes 22 to move the guide bars 26 in the front and rear direction.

8. 发明专利

JP2000316312A TILLAGE DEPTH CONTROLLER FOR ROTARY TILLER 失效
公开(公告)号：JP2000316312A
公开(公告)日：2000-11-21
申请号：JP12731999
申请日：1999-05-07
申请人： ISEKI AGRICULT MACH
发明人： AIZAWA RYOICHI , ISHIMARU MASAKUNI , TAKAHASHI HISASHI , SAKURAHARA KIYOBUMI , SAEKI HIDEAKI , NAGAI SATOSHI
IPC分类号： A01B63/16 , A01B63/04
摘要： PROBLEM TO BE SOLVED: To prevent the interference of a rotary tiller with a tractor when lifting the rotary tiller. SOLUTION: A tillage depth-regulating screw rod 18 for regulating the depth to be tilled is freely rotatably supported at the upper end part of a mast 9 of a rotary tiller 1 in a slant state so that the front side may be positioned at the upper part and the rear side may be positioned at the lower side, and a handle 24 bent in an L-shape is attached to the upper end part at the front side of the tillage depth-regulating screw rod 18 so that the position may be regulated upper and lower. When changing the tillage depth, the tillage depth can easily be regulated by moving the grip part 24a of the handle 24 upward. Under the tillage operation, the grip part 24a of the handle 24 is moved downward, and positioned at the lower part at the rear side from the upper end part of the tillage depth-regulating screw rod 18.

9. 发明专利

JP2003134903A ADVANCE AND RETREAT-SWITCHING OPERATION UNIT IN WORKING VEHICLE 审中-公开
公开(公告)号：JP2003134903A
公开(公告)日：2003-05-13
申请号：JP2001334862
申请日：2001-10-31
申请人： ISEKI AGRICULT MACH
发明人： ISHII NAOHIKO , HORI TOSHIYUKI , SAEKI HIDEAKI , SAKURAHARA KIYOBUMI
IPC分类号： A01B69/00 , A01B63/08 , A01B63/10 , B60K20/00 , B60K20/02 , B62D49/00
摘要： PROBLEM TO BE SOLVED: To solve the problems wherein in a tractor, or the like, equipped with a so-called back up-controlling device for elevating a working part synchro nized with a retreating operation, since the control is performed by the on and off of a switch at hand, it is troublesome to operate it when states requiring such control and not requiring the control are generated at random. SOLUTION: This operation unit is provided by installing two retreat operation positions for a guide 3 of an advance and retreat-switching lever, setting one of the retreat-operating positions as a non operation position R1 not actuating the back up-controlling device and another retreat-operating position as an operation position R2 for actuating the back up-controlling device. Also, the both operating positions are made as those capable of being switched with a guiding member 4.

10. 发明专利

JP2002173955A WORKING MACHINE WITH FRONT LOADER 失效
公开(公告)号：JP2002173955A
公开(公告)日：2002-06-21
申请号：JP2000371672
申请日：2000-12-06
申请人： ISEKI AGRICULT MACH
发明人： KANDA MASATOSHI , SAEKI HIDEAKI
IPC分类号： E02F3/43 , B62D55/02 , E02F3/34 , E02F9/24
摘要： PROBLEM TO BE SOLVED: To prevent the damage of a traveling vehicle caused by excessive force applied to a front loader since a crawler type has stronger traction force than a wheel type in a rear travel device of the traveling vehicle for a working machine with the front loader in which a rear crawler is often used. SOLUTION: A control device 11 stoops the lifting control of the front loader 3 according to the scooped-up quantity of soil scooped up with a bucket 12 of the vertically rotatable front loader 23 provided at the front part of the traveling vehicle 2, and controls the rear crawler 6 of the traveling vehicle 2 into a slip state according to the thrust-in time of the bucket 12 thrusting into the soil, of the front loader 3.

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