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公开(公告)号:EP3777512A1
公开(公告)日:2021-02-17
申请号:EP20197049.8
申请日:2019-06-10
申请人: Kubota Corporation
发明人: TASHIMA, Shinya , SHIBATA, Takashi , HIRAI, Ryota , IIZUKA, Atsushi , MATSUMOTO, Ryo , HASHIMOTO, Taisuke , MIHARA, Akihito , TONOYA, Yoshihisa , KAGO, Tatsuki , HABU, Kentaro , TAKAOKA, Masaki , MIYAGUCHI, Kazutomo , AKAI, Yuto , KASETANI, Takahiro , KANAI, Toshiki , TOKUNAGA, Tatsuro , AKITA, Masayuki , KUMASHIRO, Takashi , YAMAMOTO, Tomohisa , YAMASHITA, Nobuyuki
IPC分类号: A01D43/063 , A01D34/66 , B62D49/06
摘要: This invention provides a work vehicle comprising: a front wheel (111); a rear wheel (112); a pair of right and left main frames (110A) that are supported to the front wheel (111) and the rear wheel (112); a prime mover section (102) located at a front portion of the main frames (110A); and a front axle attachment bracket (107) that extends between the right and left main frames (110A) at a position below the prime mover section (102), wherein the front axle attachment bracket (107) includes an attachment plate (170) at each of right and left end portions, and the attachment plates (170) each include an attachment surface on a side facing a corresponding main frame (110A), and the attachment plates (170) are each configured to be detachable from the corresponding main frame (110A) via a bolt coupling mechanism, and are configured such that a coupling position can be changed in a vehicle body front-rear direction.
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公开(公告)号:EP3461694A1
公开(公告)日:2019-04-03
申请号:EP18178110.5
申请日:2018-06-15
申请人: Kubota Corporation
IPC分类号: B60R21/13
摘要: A work machine is disclosed that includes a ROPS (rollover protection structure) (6), which has a gate shape and has a pair of left and right vertical column portions (60) constituted by square pipe materials with a rectangular cross section. A reinforcing body (7) is provided that spans an upper portion on the upper side of the curved portion of each vertical column portion and a lower portion on the lower side thereof. The reinforcing body (7) includes a first reinforcing member (70) that is fitted from a lateral side of the vertical portion and has a channel-shaped cross section, a second reinforcing member (71) that has an L-shaped cross section having a face parallel to the front-rear direction of the first reinforcing member, and a face parallel to a left-right direction on a front side or a rear side of the first reinforcing member, and a third reinforcing member (72) that intersects the face parallel to the left-right direction of the second reinforcing member and covers an opening side of the channel-shaped cross section of the first reinforcing member.
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公开(公告)号:EP3922093A1
公开(公告)日:2021-12-15
申请号:EP21190011.3
申请日:2019-10-21
申请人: Kubota Corporation
发明人: TASHIMA, Shinya , AKAI, Yuto , KAGO, Tatsuki , YAMASHITA, Nobuyuki , KUMASHIRO, Takashi , HABU, Kentaro , KASETANI, Takahiro , HIRAI, Ryota , AKITA, Masayuki , SATO, Seiya , TONOYA, Yoshihisa , YAMAMOTO, Tomohisa , KAWAMOTO, Ryusuke , AMAGATA, Nobuhiko
摘要: The present invention relates to a work vehicle comprising a bracket (20) being provided at a front end portion of the work vehicle's machine body frame (2) and a balancing weight (21) which is detachably attached to said bracket (20). The balance weight (21) is attached to the bracket (20) without protruding more forwardly than the bracket (20) in a longitudinal direction. This allows to reduce the longitudinal length of the work vehicle even when the balance weight is attached.
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公开(公告)号:EP3777510A1
公开(公告)日:2021-02-17
申请号:EP20197036.5
申请日:2019-06-10
申请人: Kubota Corporation
发明人: TASHIMA, Shinya , SHIBATA, Takashi , HIRAI, Ryota , IIZUKA, Atsushi , MATSUMOTO, Ryo , HASHIMOTO, Taisuke , MIHARA, Akihito , TONOYA, Yoshihisa , KAGO, Tatsuki , HABU, Kentaro , TAKAOKA, Masaki , MIYAGUCHI, Kazutomo , AKAI, Yuto , KASETANI, Takahiro , KANAI, Toshiki , TOKUNAGA, Tatsuro , AKITA, Masayuki , KUMASHIRO, Takashi , YAMAMOTO, Tomohisa , YAMASHITA, Nobuyuki
IPC分类号: A01D43/063
摘要: This invention provides a riding grass mower comprising: a mower device (504) provided at a lower portion of a traveling vehicle body (501); a grass collecting container (550) configured to be detachably supported to the traveling vehicle body (501); a plurality of hydraulic cylinders (553,554) configured to raise and lower the grass collecting container (550) and to change an orientation of the grass collecting container (550); an electromagnetic valve (556) that is provided in a hydraulic oil supply/discharge passage (581) extending from a hydraulic oil supply source (508) provided in the traveling vehicle body (501) to the plurality of hydraulic cylinders (553,554), and is configured to control supply and discharge of hydraulic oil to and from the hydraulic cylinders; and a coupler (588) that is provided between the hydraulic oil supply source (508) and the electromagnetic valve (556), and is configured to be capable of connecting and disconnecting the hydraulic oil supply/discharge passage (581), wherein the electromagnetic valve (556) is supported to the traveling vehicle body (501) via a holder device (509), and the holder device (509) is configured to enable attachment and detachment of the electromagnetic valve (556) to and from the traveling vehicle body (501).
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公开(公告)号:EP3366105A1
公开(公告)日:2018-08-29
申请号:EP17204471.1
申请日:2017-11-29
申请人: Kubota Corporation
发明人: KANAI, Toshiki , MIHARA, Akihito , NAGAISHI, Shoichiro , KIMURA, Arisa , AKITA, Masayuki , KAWAMOTO, Ryusuke
IPC分类号: A01D43/063
CPC分类号: A01D43/0635
摘要: A rollover protection structure, also known as ROPS (30), for a riding-type mower includes a pair of right and left base end side ROPS portions (31) and a leading end side ROPS portion (32). The leading end side ROPS portion (32) is posture-switchable between a use posture in which it is raised relative to the base end side ROPS portions (31) and a storage posture in which it is collapsed toward a rear side of a traveling vehicle body relative to the base end side ROPS portions. When the leading end side ROPS portion (32) is set to a storage posture and also a grass collecting container (10) is set to an elevated discharging posture, a free end side of the grass collecting container (10) enters the space between a pair of right and left strut portions (33) of the leading end side ROPS portion (32).
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公开(公告)号:EP3922094A1
公开(公告)日:2021-12-15
申请号:EP21190013.9
申请日:2019-10-21
申请人: Kubota Corporation
发明人: TASHIMA, Shinya , AKAI, Yuto , KAGO, Tatsuki , YAMASHITA, Nobuyuki , KUMASHIRO, Takashi , HABU, Kentaro , KASETANI, Takahiro , HIRAI, Ryota , AKITA, Masayuki , SATO, Seiya , TONOYA, Yoshihisa , YAMAMOTO, Tomohisa , KAWAMOTO, Ryusuke , AMAGATA, Nobuhiko
摘要: The present invention relates to a work vehicle including a driver seat (214), fenders (216R,216L) covering traveling device (203) on opposed lateral sides of the driver seat and handrails (224). The handrails (224) are provided on an upper face portion of the fenders (216) which are located on the lateral sides of the driver seat (214). The handrails are disposed more forwardly than a rear end (P1) of a seat portion (214A) of the driver seat (214). Thereby, the handles are located more forwardly relative to the driver seat (214) such that the driver, when getting on/off the driver seat can easily reach the handrails.
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公开(公告)号:EP3598887A2
公开(公告)日:2020-01-29
申请号:EP19179216.7
申请日:2019-06-10
申请人: Kubota Corporation
发明人: TASHIMA, Shinya , SHIBATA, Takashi , HIRAI, Ryota , IIZUKA, Atsushi , MATSUMOTO, Ryo , HASHIMOTO, Taisuke , MIHARA, Akihito , TONOYA, Yoshihisa , KAGO, Tatsuki , HABU, Kentaro , TAKAOKA, Masaki , MIYAGUCHI, Kazutomo , AKAI, Yuto , KASETANI, Takahiro , KANAI, Toshiki , TOKUNAGA, Tatsuro , AKITA, Masayuki , KUMASHIRO, Takashi , YAMAMOTO, Tomohisa , YAMASHITA, Nobuyuki
IPC分类号: A01D43/063
摘要: This invention provides a support carriage that carries and supports a grass collecting device when the grass collecting device is attached to and detached from the rear portion of a vehicle body, and a riding grass mower that has the support carriage. A support carriage (C) includes a base portion (30) that can move over a work floor (G), and a positioning portion (42) that is provided in the front portion of the base portion (30) and can be engaged with the vehicle body from behind. When the positioning portion (42) is engaged with the vehicle body, the base portion (30) is positioned relative to the vehicle body in the front-rear direction and the width direction.
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公开(公告)号:EP3409096B1
公开(公告)日:2020-01-29
申请号:EP18175596.8
申请日:2018-06-01
申请人: Kubota Corporation
发明人: AKITA, Masayuki , KANAI, Toshiki , YAMASHITA, Nobuyuki , SHIBATA, Takashi , NAGAISHI, Shoichiro , AKAI, Yuto , KAGO, Tatsuki , MIHARA, Akihito
IPC分类号: A01D43/063
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公开(公告)号:EP2850932B1
公开(公告)日:2018-02-14
申请号:EP14156693.5
申请日:2014-02-26
申请人: Kubota Corporation
CPC分类号: A01D34/664 , A01D34/005 , A01D34/63 , A01D34/73 , A01D34/826 , A01D2101/00
摘要: A cutter blade (26) for a mower is driven to rotate about a vertical axis (26a) inside a housing (21). The cutter blade (26) includes a blade body (70), a blade portion (81) formed in the blade body (70) and a wind generating portion (82) formed in the blade body (70) on its side opposite in a width direction thereof to the side where the blade portion (81) is formed, the wind generating portion (82) being formed by being raised and bent from the blade body (70) over a predetermined area from an end in a longitudinal direction thereof. At an outer end portion of the wind generating portion (82a) in the longitudinal direction of the blade body, there is formed at least one recessed portion (90) recessed more inwards than the remaining portion of the outer end portion (82a).
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公开(公告)号:EP3884763A1
公开(公告)日:2021-09-29
申请号:EP20210503.7
申请日:2020-11-29
申请人: Kubota Corporation
发明人: IWATA, Hideki , AKAI, Yuto , SHIBATA, Takashi , SATO, Seiya , AKITA, Masayuki , HIRAI, Ryota , SASAGAWA, Sho , MATSUMOTO, Ryo , NISHIHARA, Hironobu , TONOYA, Yoshihisa
IPC分类号: A01D43/063 , A01D43/07
摘要: There is provided a support section (13) at a back portion of a vehicle body. A grass collecting apparatus (10) includes a connection section (18) configured to be detachably connected to the support section (13) and a lifting-lowering link mechanism (12) extending backward from the connection section (18) in such a manner as to be capable of being swung in the up-down direction and supporting a grass collecting container (11) in such a manner as to be capable of lifting and lowering the grass collecting container (11) and changing the orientation of the grass collecting container 1(1 between a grass collecting orientation and a discharge orientation. A support cart (C) includes a base section (42), a placement section (49) configured to receive the grass collecting apparatus (10), and a strut pole (60) extending upward from the base section (42) and configured to prop the lifting-lowering link mechanism (12) of the grass collecting apparatus 10 on the placement section (49). The strut pole (60) includes an extension and contraction adjusting portion (61).
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