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1. 发明专利

JP2002101725A LAWN MOWER 失效
公开(公告)号：JP2002101725A
公开(公告)日：2002-04-09
申请号：JP2000300128
申请日：2000-09-29
申请人： KUBOTA KK
发明人： UMEMOTO HIDEYA , TOGOSHI YOSHIKAZU , YAMADA MASAHIRO , EZAKI YOSHIYUKI
IPC分类号： A01D34/64 , A01D34/63
摘要： PROBLEM TO BE SOLVED: To provide a lawn mower capable of avoiding the disturbance of weight balance of a traveling car body even when climbing a slope without inhibiting the turning performance. SOLUTION: This lawn mower is obtained by providing the traveling car body 10 with caster type front wheels 1 and driving rear wheels 2, installing a mower 20 between the front and rear wheels 1 and 2, providing two hydrostatic variable transmissions 6B capable of advancing, backing and changing the speed in each of the left and right driving rear wheels 2, installing a caster type auxiliary ground contact wheel 32 at the rear of the driving rear wheels 2, composing the auxiliary ground contact wheel 32 so as to be vertically movable relatively to the traveling car body 10 and further providing a spring 38 for downwardly urging the auxiliary ground contact wheel 32.

2. 发明专利

JP2001063535A LAWN MOWER 失效
公开(公告)号：JP2001063535A
公开(公告)日：2001-03-13
申请号：JP24129999
申请日：1999-08-27
申请人： KUBOTA KK
发明人： DOBASHI HIRONORI , KAWAHARA YOSHIHIRO , TOGOSHI YOSHIKAZU , EZAKI YOSHIYUKI , SAMEJIMA KAZUO , FUJIWARA OSAMI
IPC分类号： A01D69/10 , A01D34/64 , B60T7/04
摘要： PROBLEM TO BE SOLVED: To provide a lawn mower capable of rapidly coping with an emergency stop operation on a sloping road or the like. SOLUTION: This lawn mower is provided with a pair of left and right running steering operation levers 50A, 50B allowing independent shift operation on two respective hydrostatic continuously variable transmissions respectively shifting left and right driving wheels 2, 2. The running steering operation levers 50A, 50B are moved away from each other with the levers 50A, 50B changed over to neutral positions. The lawn mower is also provided with a brake pedal 36 for operating a brake device for the driving wheels 2, 2. The brake pedal 36 is linked to a parking brake lever 69.

3. 发明专利

JP2001045830A LAWN MOWER 失效
公开(公告)号：JP2001045830A
公开(公告)日：2001-02-20
申请号：JP22861499
申请日：1999-08-12
申请人： KUBOTA KK
发明人： DOBASHI HIRONORI , SHIMAMURA TERUO , SAMEJIMA KAZUO , TOGOSHI YOSHIKAZU , FUJIWARA OSAMI , EZAKI YOSHIYUKI , KAWAHARA YOSHIHIRO , KOMORIDA TAKESHI
IPC分类号： A01D34/64
摘要： PROBLEM TO BE SOLVED: To provide a lawn mower to be compactly constituted as a lawn mower. SOLUTION: A radiator 13 is arranged ahead an engine 3. A distribution transmission case 6 for receiving power transmission from the engine 3 is installed ahead the radiator 13. HTSs 5 are integrally formed at both sides of the distribution transmission case 6 and each HST 5 is integrally provided with a wheel transmission case 14 obliquely downward to the rear. The wheel transmission cases 14 and the radiator 13 are laid in a side by side state in the right and left direction of a body.

4. 发明专利

JP2000270649A LAWN MOWER 失效
公开(公告)号：JP2000270649A
公开(公告)日：2000-10-03
申请号：JP8085899
申请日：1999-03-25
申请人： KUBOTA KK
发明人： SHIMAMURA TERUO , KURE SEIJI , FUJIWARA KOJI , KOMORIDA TAKESHI , TOGOSHI YOSHIKAZU
IPC分类号： A01D34/54 , A01D34/74
摘要： PROBLEM TO BE SOLVED: To provide the subject lawn mower capable of simply moving a reaping blade on an uneven ground having a fear in which conventionally a lawn mower is unable to travel without bringing the reaping blade into contact with the ground by equipping the supporting member of a gage roller with a specific sled body. SOLUTION: A gage roller 22 is arranged in adjustable height at the front end of a mower and a supporting member 23 of the gage roller 22 is equipped with a sled body 25 having an upward rising slope upward to the front from the vicinity of the gage roller 22. Gage rollers are arranged in an adjustable height both right and left at the front end of the mower, respectively and a second sled body is installed at the rear of the gage roller. The second sled body is supported vertically rockingly around the center of a horizontal axis. The front of the second sled body is linked and connected to the supporting member of the gage roller. The second sled body is vertically rocked in the same direction as the moving direction of the gage roller.

5. 发明专利

JP2886055B2 失效
公开(公告)号：JP2886055B2
公开(公告)日：1999-04-26
申请号：JP25389193
申请日：1993-10-12
申请人： KUBOTA KK
发明人： DOBASHI HIRONORI , MATSUDA KENJI , KAWAHARA YOSHIHIRO , TOGOSHI YOSHIKAZU , FUJIWARA OSAMI , TAKEMOTO AKYOSHI , NAKAJO KENICHI
IPC分类号： B60K23/08 , F16H57/02 , F16H57/021 , F16H57/022 , F16H57/023 , F16H57/031

6. 发明专利

JPH10178858A RIDING LAWN MOWER 失效
公开(公告)号：JPH10178858A
公开(公告)日：1998-07-07
申请号：JP34689596
申请日：1996-12-26
申请人： KUBOTA KK
发明人： KITAMURA JUNICHI , DOBASHI HIRONORI , EZAKI YOSHIYUKI , UMEMOTO HIDEYA , SHIMAMURA TERUO , MIYATA JUNJI , TACHIBANA MATSUO , FUJIWARA KOJI , TOGOSHI YOSHIKAZU
IPC分类号： A01D34/44
摘要： PROBLEM TO BE SOLVED: To provide a reel mower type riding lawn mower capable of improving the balance of a machine body and improving versatility and operability by shifting the connection part to the reel mower of a lift arm to the side of a cutter driving motor and hanging down the centroid position of the reel mower. SOLUTION: The reel mower 7A in which the cutter driving motor 33 is equipped on one side face of a cutter case 31 is hung through the lift arm 17 for elevating and lowering the reel mower arranged at the width center of the machine body while matching the width center of the cutter case 31 with the width center of the machine body, the connection part 17B to the reel mower 7A of the lift arm 17 is shifted to the side of the cutter driving motor 33 and the centroid position of the reel mower 7A is hung down. Also, it is preferable that the reel mower 7a is provided respectively on the width center at the front of the machine body and both left and right sides of it.

7. 发明专利

JPH09240445A BRAKE OPERATING CONFIGURATION FOR LAWN MOWER 失效
公开(公告)号：JPH09240445A
公开(公告)日：1997-09-16
申请号：JP5050296
申请日：1996-03-07
申请人： KUBOTA KK
发明人： UMEMOTO HIDEYA , FUJIWARA OSAMI , TOGOSHI YOSHIKAZU , NAKAJO KENICHI , KAWAHARA YOSHIHIRO
IPC分类号： A01D69/10 , A01D34/64 , B60T7/04 , B60T7/12 , B60W10/04 , B60W10/10 , B60W10/12 , B60W10/18 , B60W10/184 , B60K41/20
摘要： PROBLEM TO BE SOLVED: To prevent the occurrence of an unstable running condition caused by one side braking when the mower is traveling while being lifted up. SOLUTION: A brake pedal 15 for braking a left front wheel, a right brake pedal 16 for braking a right front wheel, a main brake pedal capable of simultaneously braking the right and left front wheels, and a mower capable of being elevated, are provided in this place. When an elevating link mechanism C for elevating the mower is moved to an ascending evacuation position, a left elevating link 33 is brought into contact with the rod portions of the right and left brake pedals 15 and 16 so as to allow further more footing to be prevented, and when the elevating link mechanism C is moved to a descending action position, the left elevating link 33 is positioned out of the footing movement locus of each of the right and left brake pedals 15 and 16, and one side brake operation for the right and left brake pedals can therby be performed.

8. 发明专利

JPH07289053A SULKY LAWN MOWER 失效
公开(公告)号：JPH07289053A
公开(公告)日：1995-11-07
申请号：JP8703294
申请日：1994-04-26
申请人： KUBOTA KK
发明人： TOGOSHI YOSHIKAZU , MATSUYAMA MITSUHIRO
IPC分类号： A01B59/044 , A01D34/74
摘要： PURPOSE:To enable the easy fixing of a lifted mower at a housing position in a sulky lawn mower having the mower freely liftably and lowerably equipped through a pantographic type link mechanism capable of bulging to the lateral outside of the machine body between front and rear wheels of the mobile machine body. CONSTITUTION:This sulky lawn mower is constituted by installing engaging metallic fixtures 8 capable of carrying out the changeover from a locking position where the engaging metallic fixtures are engaged with a lifted pantographic type link mechanism (R) from the lateral side so as to check the extension of the link mechanism (R) relatively to a cutting blade housing (Ma) to an unlocking position where the engaging metallic fixtures 8 are laterally released on the top surface of the cutting blade housing (Ma).

9. 发明专利

JPH06330959A LUBRICATING OIL FEEDING STRUCTURE FOR POWER TRANSMISSION STRUCTURE OF WORKING VEHICLE 失效
公开(公告)号：JPH06330959A
公开(公告)日：1994-11-29
申请号：JP12100993
申请日：1993-05-24
申请人： KUBOTA KK
发明人： SHIMAMURA TERUO , FUJIWARA OSAMI , TOGOSHI YOSHIKAZU , SATO TAKESHI
IPC分类号： A01D69/12 , B60K17/28 , F16D13/74 , F16D41/06
摘要： PURPOSE:To eliminate a troublesome work to check runnin-out of lubricating oil to a one-way clutch, in the power transmission structure of a working vehicle wherein the one-way clutch for absorption of vibration generated occasioned by inconstant velocity rotation of an engine is arranged located upper stream of transmission of a PTO clutch. CONSTITUTION:An oil passage 23 for lubrication through which a part of pressure oil fed to the cylinder chamber 15 of a PTO clutch C to a one-way clutch 0 is formed in the shaft 12b on the driven side of the PTO clutch C and an oil passage 24 for lubrication through which feed oil from the oil passage 23 for lubrication is guided to the one-way clutch 0 is formed in a shaft 12a on the drive side. An orifice 25 to ensure a clutch pressure on the PTO clutch C is arranged in the oil passage 23 for lubrication and lubricating oil is fed to the one-way clutch 0 along with engaging operation of the PTO clutch C.

10. 发明专利

JPH06328966A TRAVELING DEVICE OF LAWN MOWER 失效
公开(公告)号：JPH06328966A
公开(公告)日：1994-11-29
申请号：JP11808093
申请日：1993-05-20
申请人： KUBOTA KK
发明人： DOBASHI HIRONORI , FUJIWARA OSAMI , SATO TAKESHI , TOGOSHI YOSHIKAZU , HAMADA TOSHIHIKO
IPC分类号： B60K23/02 , B60K17/344 , B60K23/08
摘要： PURPOSE:To improve the traveling performance on a sloping road or the like and facilitate the drive in the condition of inclination to the right and left direction while preventing the damage to the lawn by the rear wheels in the steering operation of the flat place in a lawn mower of front mount type where the right and left front wheels which are not steered are freely driven, and the right and left rear wheels are freely steered. CONSTITUTION:In a lawn mower where the right and left front wheels 3 which are not steered are freely driven and the right and left rear wheels 4 are freely steered, a rear-wheel driving device 9 to drive the right and left rear wheels 4 is provided, and a clutch 9c mounted on this rear-wheel driving device 9 in the gear-off and energized condition is brought into the gear-in operation by stepping on a pedal 14.

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