Patents by Inventor Takeshi Komorida
Takeshi Komorida has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8172268Abstract: A work vehicle has a plurality of wheels including a first wheel and a fuel tank disposed upwardly of the first wheel. The fuel tank includes a first portion which is located higher than the highest point of the first wheel in a side view and which also is overlapped at least partially with the first wheel in a top view; a second portion disposed forwardly of the highest point of the first wheel and extending downwardly from the first portion so as to extend lower than the highest point of the first wheel, the second portion being in fluid communication with the first portion; and a third portion disposed rearwardly of the highest point of the first wheel and extending downwardly from the first portion so as to extend lower than the highest point of the first wheel, the third portion being in fluid communication with the first portion.Type: GrantFiled: March 19, 2008Date of Patent: May 8, 2012Assignee: Kubota CorporationInventors: Takeshi Komorida, Yoshiyuki Esaki, Eiji Satou
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Patent number: 7866426Abstract: A riding type mower comprises: a plurality of wheels; a vehicle body supported by the plurality of wheels; a water-cooled engine located in a rear region of the vehicle body; a hood for covering the engine; a driver's seat located forwardly of the hood; a rollover protection frame located between the driver's seat and the water-cooled engine, the rollover protection frame having a pair of right and left support columns spaced apart from each other in a lateral direction; a radiator for the water-cooled engine located between the pair of the support columns of the rollover protection frame.Type: GrantFiled: September 1, 2006Date of Patent: January 11, 2011Assignee: Kubota CorporationInventors: Hideya Umemoto, Akira Minoura, Osami Fujiwara, Kazuaki Nogami, Takeshi Komorida
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Publication number: 20100242924Abstract: Disclosed is a fuel system for a traveling vehicle having an engine mounted on a vehicle body and a ROPS extending upward from the vehicle body. The fuel system includes a fuel tank accommodating an amount of fuel, a canister, an evaporating hose including a first evaporating hose portion and a second evaporating hose portion for sending fuel vapor generated inside the fuel tank to the canister. The first evaporating hose portion is connected to the fuel tank and extending upward from the fuel tank along a vertical post of the ROPS. The second evaporating hose portion extends downward along a vertical post of the ROPS and is connected to the canister.Type: ApplicationFiled: March 16, 2010Publication date: September 30, 2010Applicant: KUBOTA CORPORATIONInventors: Kazuhiro Ochi, Masahiro Yamada, Hideya Umemoto, Eiji Satou, Yusuke Shoji, Kazuaki Nogami, Takeshi Komorida, Hiroyuki Tada, Yoshikazu Togoshi, Akira Minoura, Yoshiyuki Esaki
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Patent number: 7770370Abstract: A working vehicle includes a vehicle body supported by a plurality of wheels; an implement supported by the vehicle body via a link mechanism such that the implement can be raised and lowered, the implement being permitted to be lowered under its own weight; an abutting member that moves in tandem with the raising and lowering movement of the implement; a receiving piece for limiting the lowering of the implement under its own weight by receiving a first portion of the abutting member; and a manually operable first operating piece for changing the position of the receiving piece between a receiving position and a retracted position, wherein a lowering limiting position is set to a vertical position that is closer to the upper limit of a range of the raising or lowering movement of the implement than to the lower limit of that range.Type: GrantFiled: March 19, 2008Date of Patent: August 10, 2010Assignee: Kubota CorporationInventors: Takeshi Komorida, Yoshiyuki Esaki, Yoshikazu Togoshi, Eiji Satou
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Publication number: 20090266639Abstract: An operating system for a tractor to which an implement is attachable, the operating system comprises: a steering wheel provided rearwardly of a hood that houses an engine located in a forward region of the tractor; a control panel provided rearwardly of the hood and adjacent the steering wheel; a center cover extending generally vertically below the steering wheel; an operation lever provided at a position laterally of the control panel; a valve unit with a pair of spools, the valve unit being located at a lower position with respect to the steering wheel and being covered by the center cover; a link mechanism that links the operation lever and the pair of spools, the link mechanism being covered by the center cover.Type: ApplicationFiled: July 6, 2009Publication date: October 29, 2009Applicant: KUBOTA CORPORATIONInventors: Takashi Kuramoto, Masashi Osuga, Hiroshi Shimada, Yoshio Tomiyama, Takeshi Komorida, Hironobu Nishihara, Kenji Nishihara, Takashi Shibata
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Publication number: 20090241498Abstract: A dust removal system for a riding lawn mower, comprising an engine, a speed change device disposed outside of an engine compartment, and a universal coupling inserted through an opening provided to a separating wall in order to connect an output shaft of the engine and an input shaft of the speed change device. The dust removal system is composed of a perforated board which rotates integrally with the output shaft and around the axis of the output shaft in order to impede grass cuttings from flowing into the engine compartment through the opening, the perforated board having an insertion hole formed in the center to allow the universal coupling to be inserted; and a seal unit for substantially sealing the space between the universal coupling and the peripheral edge of the insertion hole. The seal unit has a radially extending flange formed on the universal coupling, and a ring member in which one end is mounted on the flange and the other end is in contact with the peripheral area around the insertion hole.Type: ApplicationFiled: September 3, 2008Publication date: October 1, 2009Applicant: Kubota CorporationInventors: Hideya Umemoto, Eiji Satou, Takeshi Komorida, Yoshihiro Ueda, Masato Asahara, Kazuhiro Ochi, Masahiro Yamada
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Patent number: 7562515Abstract: A riding type mower comprises: a plurality of wheels including at least one driven wheel; a vehicle body supported by the plurality of wheels; a driver's seat supported by the vehicle body; a mower unit located below the vehicle body; a suspension mechanism for vertically movably supporting the mower unit from the vehicle body, the suspension mechanism having a restraint member operatively connected to the suspension mechanism; an operation mechanism for operating the suspension mechanism; a stopper for setting a lower limit for a vertical position of the mower unit to define a cutting height by abutment against the restraint member, the stopper is adapted to be rotated to change the lower limit; a lower limit adjustment element located laterally of the driver's seat and rotatable to rotate the stopper; and a linking mechanism for operatively connecting the lower limit adjustment element with the stopper.Type: GrantFiled: September 1, 2006Date of Patent: July 21, 2009Assignee: Kubota CorporationInventors: Takeshi Komorida, Hideya Umemoto, Yoshiyuki Esaki
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Patent number: 7559295Abstract: A cooling structure for a working vehicle with a transmission disposed rearwardly and downwardly of a driver's seat and having a hydrostatic transmission, and an air-cooled engine disposed rearwardly of the transmission. The cooling structure comprising a fan for cooling the engine and a fan for cooling the transmission mounted on a rotary shaft operatively connecting the transmission with an output shaft of the air-cooled engine, the fans being configured such that air flows generated by the fans move from adjacent the transmission toward the engine; an oil cooler for cooling fluid supplied to the hydrostatic transmission, the oil cooler being disposed between the fan for cooling the engine and the fan for cooling the transmission, and disposed to face each of the fans; and an air guiding plate disposed at a position higher than the oil cooler for guiding air to regions of the fans.Type: GrantFiled: September 11, 2007Date of Patent: July 14, 2009Assignee: Kubota CorporationInventors: Masahiro Yamada, Yoshikazu Togoshi, Akira Minoura, Yoshihiro Ueda, Yoshiyuki Esaki, Eiji Satou, Takeshi Komorida
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Patent number: 7558658Abstract: An operating system for a tractor to which an implement is attachable, the operating system comprises: a steering wheel provided rearwardly of a hood that houses an engine located in a forward region of the tractor; a control panel provided rearwardly of the hood and adjacent the steering wheel; a center cover extending generally vertically below the steering wheel; an operation lever provided at a position laterally of the control panel; a valve unit with a pair of spools, the valve unit being located at a lower position with respect to the steering wheel and being covered by the center cover; a link mechanism that links the operation lever and the pair of spools, the link mechanism being covered by the center cover.Type: GrantFiled: March 14, 2006Date of Patent: July 7, 2009Assignee: Kubota CorporationInventors: Takashi Kuramoto, Masashi Osuga, Hiroshi Shimada, Yoshio Tomiyama, Takeshi Komorida, Hironobu Nishihara, Kenji Nishihara, Takashi Shibata
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Publication number: 20090013942Abstract: A cooling structure for a working vehicle with a transmission disposed rearwardly and downwardly of a driver's seat and having a hydrostatic transmission, and an air-cooled engine disposed rearwardly of the transmission. The cooling structure comprising a fan for cooling the engine and a fan for cooling the transmission mounted on a rotary shaft operatively connecting the transmission with an output shaft of the air-cooled engine, the fans being configured such that air flows generated by the fans move from adjacent the transmission toward the engine; an oil cooler for cooling fluid supplied to the hydrostatic transmission, the oil cooler being disposed between the fan for cooling the engine and the fan for cooling the transmission, and disposed to face each of the fans; and an air guiding plate disposed at a position higher than the oil cooler for guiding air to regions of the fans.Type: ApplicationFiled: September 11, 2007Publication date: January 15, 2009Applicant: Kubota CorporationInventors: Masahiro Yamada, Yoshikazu Togoshi, Akira Minoura, Yoshihiro Ueda, Yoshiyuki Esaki, Eiji Satou, Takeshi Komorida
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Publication number: 20080302077Abstract: A working vehicle includes a vehicle body supported by a plurality of wheels; an implement supported by the vehicle body via a link mechanism such that the implement can be raised and lowered, the implement being permitted to be lowered under its own weight; an abutting member that moves in tandem with the raising and lowering movement of the implement; a receiving piece for limiting the lowering of the implement under its own weight by receiving a first portion of the abutting member; and a manually operable first operating piece for changing the position of the receiving piece between a receiving position and a retracted position, wherein a lowering limiting position is set to a vertical position that is closer to the upper limit of a range of the raising or lowering movement of the implement than to the lower limit of that range.Type: ApplicationFiled: March 19, 2008Publication date: December 11, 2008Applicant: KUBOTA CORPORATIONInventors: Takeshi Komorida, Yoshiyuki Esaki, Yoshikazu Togoshi, Eiji Satou
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Publication number: 20080302805Abstract: A work vehicle has a plurality of wheels including a first wheel and a fuel tank disposed upwardly of the first wheel. The fuel tank includes a first portion which is located higher than the highest point of the first wheel in a side view and which also is overlapped at least partially with the first wheel in a top view; a second portion disposed forwardly of the highest point of the first wheel and extending downwardly from the first portion so as to extend lower than the highest point of the first wheel, the second portion being in fluid communication with the first portion; and a third portion disposed rearwardly of the highest point of the first wheel and extending downwardly from the first portion so as to extend lower than the highest point of the first wheel, the third portion being in fluid communication with the first portion.Type: ApplicationFiled: March 19, 2008Publication date: December 11, 2008Applicant: Kubota CorporationInventors: Takeshi Komorida, Yoshiyuki Esaki, Eiji Satou
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Patent number: 7458434Abstract: A lawn mower comprises: a plurality of wheels; a vehicle body supported by the wheels; a mower unit supported by said vehicle body; a driver's seat supported by said vehicle body; an engine supported by said vehicle body rearwardly of said driver's seat; a radiator disposed between said engine and said driver's seat; a hood for covering said engine; and a dust filtering case disposed at a forward portion of said hood for allowing ambient cooling air to be drawn into said radiator, the dust filtering case surrounding at least a part of the radiator and having a net portion on at least one side thereof, the net portion extending rearwardly beyond a front surface of said radiator.Type: GrantFiled: July 13, 2005Date of Patent: December 2, 2008Assignee: Kubota CorporationInventors: Kazuo Samejima, Hironori Tsuchihashi, Teruo Shimamura, Yoshikazu Togoshi, Hiroshi Kawabata, Takeshi Komorida
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Publication number: 20070169456Abstract: A riding type mower comprises: a plurality of wheels including at least one driven wheel; a vehicle body supported by the plurality of wheels; a driver's seat supported by the vehicle body; a mower unit located below the vehicle body; a suspension mechanism for vertically movably supporting the mower unit from the vehicle body, the suspension mechanism having a restraint member operatively connected to the suspension mechanism; an operation mechanism for operating the suspension mechanism; a stopper for setting a lower limit for a vertical position of the mower unit to define a cutting height by abutment against the restraint member, the stopper is adapted to be rotated to change the lower limit; a lower limit adjustment element located laterally of the driver's seat and rotatable to rotate the stopper; and a linking mechanism for operatively connecting the lower limit adjustment element with the stopper.Type: ApplicationFiled: September 1, 2006Publication date: July 26, 2007Applicant: Kubota CorporationInventors: Takeshi Komorida, Hideya Umemoto, Yoshiyuki Esaki
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Publication number: 20070169455Abstract: A riding type mower comprises: a plurality of wheels; a vehicle body supported by the plurality of wheels; a water-cooled engine located in a rear region of the vehicle body; a hood for covering the engine; a driver's seat located forwardly of the hood; a rollover protection frame located between the driver's seat and the water-cooled engine, the rollover protection frame having a pair of right and left support columns spaced apart from each other in a lateral direction; a radiator for the water-cooled engine located between the pair of the support columns of the rollover protection frame.Type: ApplicationFiled: September 1, 2006Publication date: July 26, 2007Applicant: Kubota CorporationInventors: Hideya Umemoto, Akira Minoura, Osami Fujiwara, Kazuaki Nogami, Takeshi Komorida
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Patent number: 7222485Abstract: A hydrostatic continuously variable transmission comprises: a hydraulic pump; a power input shaft engaged with the hydraulic pump to transmit power from a power source to the hydraulic pump; a hydraulic motor in hydraulic communication with the hydraulic pump; a casing that houses the hydraulic pump and the hydraulic motor; a port block mounted to the casing, the port block having a block main body and a cover member connected to a power input side of the block main body, said cover member having an outer surface; a cooling hydraulic path provided in the port block in a region where the block main body and the cover member meet, the cooling hydraulic path being connected to a first hydraulic path in the port block, the cooling hydraulic path having a plurality of bends; a cooling fan provided on the power input shaft to provide air flow directly to the outer surface of the cover member.Type: GrantFiled: March 15, 2006Date of Patent: May 29, 2007Assignee: Kubota CorporationInventors: Takashi Shibata, Yoshio Tomiyama, Takashi Kuramoto, Hiroshi Shimada, Takeshi Komorida, Kenji Nishihara, Masashi Osuga
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Publication number: 20060283183Abstract: A hydrostatic continuously variable transmission comprises: a hydraulic pump; a power input shaft engaged with the hydraulic pump to transmit power from a power source to the hydraulic pump; a hydraulic motor in hydraulic communication with the hydraulic pump; a casing that houses the hydraulic pump and the hydraulic motor; a port block mounted to the casing, the port block having a block main body and a cover member connected to a power input side of the block main body, said cover member having an outer surface; a cooling hydraulic path provided in the port block in a region where the block main body and the cover member meet, the cooling hydraulic path being connected to a first hydraulic path in the port block, the cooling hydraulic path having a plurality of bends; a cooling fan provided on the power input shaft to provide air flow directly to the outer surface of the cover member.Type: ApplicationFiled: March 15, 2006Publication date: December 21, 2006Applicant: Kubota CorporationInventors: Takashi Shibata, Yoshio Tomiyama, Takashi Kuramoto, Hiroshi Shimada, Takeshi Komorida, Kenji Nishihara, Masashi Osuga
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Publication number: 20060243505Abstract: An operating system for a tractor to which an implement is attachable, the operating system comprises: a steering wheel provided rearwardly of a hood that houses an engine located in a forward region of the tractor; a control panel provided rearwardly of the hood and adjacent the steering wheel; a center cover extending generally vertically below the steering wheel; an operation lever provided at a position laterally of the control panel; a valve unit with a pair of spools, the valve unit being located at a lower position with respect to the steering wheel and being covered by the center cover; a link mechanism that links the operation lever and the pair of spools, the link mechanism being covered by the center cover.Type: ApplicationFiled: March 14, 2006Publication date: November 2, 2006Applicant: Kubota CorporationInventors: Takashi Kuramoto, Masashi Osuga, Hiroshi Shimada, Yoshio Tomiyama, Takeshi Komorida, Hironobu Nishihara, Kenji Nishihara, Takashi Shibata
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Publication number: 20060016632Abstract: A lawn mower comprises: a plurality of wheels; a vehicle body supported by the wheels; a mower unit supported by said vehicle body; a driver's seat supported by said vehicle body; an engine supported by said vehicle body rearwardly of said driver's seat; a radiator disposed between said engine and said driver's seat; a hood for covering said engine; and a dust filtering case disposed at a forward portion of said hood for allowing ambient cooling air to be drawn into said radiator, the dust filtering case surrounding at least a part of the radiator and having a net portion on at least one side thereof, the net portion extending rearwardly beyond a front surface of said radiator.Type: ApplicationFiled: July 13, 2005Publication date: January 26, 2006Applicant: Kubota CorporationInventors: Kazuo Samejima, Hironori Tsuchihashi, Teruo Shimamura, Yoshikazu Togoshi, Hiroshi Kawabata, Takeshi Komorida
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Patent number: D537454Type: GrantFiled: September 13, 2005Date of Patent: February 27, 2007Assignee: Kubota CorporationInventors: Yoshitaka Higashikawa, Takeshi Komorida, Tetsuo Tokunaga