Patents by Inventor Noboru Sagawa
Noboru Sagawa 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: 9056548Abstract: Systems and methods are disclosed for improving operability of a work vehicle. In accordance with one implementation, a work vehicle is disclosed. The work vehicle includes a first PTO shaft and a second PTO shaft, the first and second PTO shafts being removably mounted to a vehicle body rear structure and fitted to a power receiving unit on an implement side. The work vehicle also includes a PTO drive mechanism comprising a PTO transmission mechanism, the PTO drive mechanism transmitting rotational power from a power source to the first PTO shaft, and a storage unit storing the second PTO shaft. The work vehicle further includes a PTO transmission operation lever allowing a transmission operation to be performed on the PTO transmission mechanism, wherein the PTO transmission operation lever and the storage unit are provided in the vehicle body rear structure.Type: GrantFiled: September 13, 2013Date of Patent: June 16, 2015Assignee: ISEKI & CO., LTD.Inventors: Tomoo Kiyokawa, Noboru Sagawa, Fumiaki Nishikawa, Tatsuzo Murakami
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Patent number: 9003908Abstract: According to one embodiment, a working vehicle includes: a main change speed mechanism configured to transmit a rotating power, generated by a power source; a first auxiliary change speed mechanism configured to transmit the rotating power, transmitted through the main change speed mechanism, to drive wheels; a second auxiliary change speed mechanism configured to transmit the rotating power to the drive wheels; a first lever configured to operate the first auxiliary change speed mechanism to perform a first auxiliary shift operation; and a second lever configured to operate the second auxiliary change speed mechanism to perform a second auxiliary shift operation, wherein: the first auxiliary change speed mechanism is activated when the second auxiliary change speed mechanism in a neutral state; and the second auxiliary change speed mechanism is activated when the first auxiliary change speed mechanism is in the neutral state.Type: GrantFiled: September 11, 2013Date of Patent: April 14, 2015Assignee: Iseki & Co., Ltd.Inventors: Noboru Sagawa, Takashi Wakino, Fumiaki Nishikawa, Tatsuzo Murakami, Satoru Kinoshita
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Patent number: 8944193Abstract: According to one embodiment, a working vehicle includes: a transmission case including a front transmission case and a rear transmission case, and a power transmission mechanism, arranged in the transmission case, configured to transmit rotating power from an engine to rear wheels or front wheels and transmit the rotating power to an implement mounted to a vehicle body, including: an input shaft; a first switching mechanism configured to switch a rotation corresponding to the rotating power to rotation in advancing direction or reversing direction; a main change speed mechanism; an auxiliary change speed mechanism; a second switching mechanism configured to switch whether to transmit the rotating power to the front wheels or not; and a PTO driving mechanism, wherein a clutch of the first switching mechanism, a clutch of the second switching mechanism and a clutch of the PTO driving mechanism are arranged in the front transmission case.Type: GrantFiled: February 24, 2014Date of Patent: February 3, 2015Assignee: Iseki & Co., Ltd.Inventor: Noboru Sagawa
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Patent number: 8931586Abstract: A working vehicle includes a joy-stick lever which operates a front loader, and a main change lever etc., wherein a right side dashboard is located in the right side of the driver's seat, the forward end step part is located beside the steering wheel, and is provided with the joy-stick lever, a grip part of the main change lever is disposed at a lower position than the steering wheel, a grip part of the position lever is disposed at an outside position of the grip part of the main change lever on a plan view, and a grip part of the joy-stick lever is disposed at a front side position of the grip part of the main change lever on a plan view, and is disposed in a range of a height of the steering wheel on a side view.Type: GrantFiled: July 29, 2013Date of Patent: January 13, 2015Assignee: Iseki & Co., Ltd.Inventors: Takashi Wakino, Tomoo Kiyokawa, Satoru Kinoshita, Noboru Sagawa, Takanori Izutani
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Publication number: 20140238757Abstract: According to one embodiment, a working vehicle includes: a transmission case including a front transmission case and a rear transmission case, and a power transmission mechanism, arranged in the transmission case, configured to transmit rotating power from an engine to rear wheels or front wheels and transmit the rotating power to an implement mounted to a vehicle body, including: an input shaft; a first switching mechanism configured to switch a rotation corresponding to the rotating power to rotation in advancing direction or reversing direction; a main change speed mechanism; an auxiliary change speed mechanism; a second switching mechanism configured to switch whether to transmit the rotating power to the front wheels or not; and a PTO driving mechanism, wherein a clutch of the first switching mechanism, a clutch of the second switching mechanism and a clutch of the PTO driving mechanism are arranged in the front transmission case.Type: ApplicationFiled: February 24, 2014Publication date: August 28, 2014Applicant: ISEKI & CO., LTD.Inventor: Noboru Sagawa
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Publication number: 20140076103Abstract: According to one embodiment, a working vehicle includes: a main change speed mechanism configured to transmit a rotating power, generated by a power source; a first auxiliary change speed mechanism configured to transmit the rotating power, transmitted through the main change speed mechanism, to drive wheels; a second auxiliary change speed mechanism configured to transmit the rotating power to the drive wheels; a first lever configured to operate the first auxiliary change speed mechanism to perform a first auxiliary shift operation; and a second lever configured to operate the second auxiliary change speed mechanism to perform a second auxiliary shift operation, wherein: the first auxiliary change speed mechanism is activated when the second auxiliary change speed mechanism in a neutral state; and the second auxiliary change speed mechanism is activated when the first auxiliary change speed mechanism is in the neutral state.Type: ApplicationFiled: September 11, 2013Publication date: March 20, 2014Applicant: ISEKI & CO., LTD.Inventors: Noboru Sagawa, Takashi Wakino, Fumiaki Nishikawa, Tatsuzo Murakami, Satoru Kinoshita
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Publication number: 20140076073Abstract: Systems and methods are disclosed for improving operability of a work vehicle. In accordance with one implementation, a work vehicle is disclosed. The work vehicle includes a first PTO shaft and a second PTO shaft, the first and second PTO shafts being removably mounted to a vehicle body rear structure and fitted to a power receiving unit on an implement side. The work vehicle also includes a PTO drive mechanism comprising a PTO transmission mechanism, the PTO drive mechanism transmitting rotational power from a power source to the first PTO shaft, and a storage unit storing the second PTO shaft. The work vehicle further includes a PTO transmission operation lever allowing a transmission operation to be performed on the PTO transmission mechanism, wherein the PTO transmission operation lever and the storage unit are provided in the vehicle body rear structure.Type: ApplicationFiled: September 13, 2013Publication date: March 20, 2014Inventors: Tomoo Kiyokawa, Noboru Sagawa, Fumiaki Nishikawa, Tatsuzo Murakami
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Publication number: 20140056676Abstract: A working vehicle includes a joy-stick lever which operates a front loader, and a main change lever etc., wherein a right side dashboard is located in the right side of the driver's seat, the forward end step part is located beside the steering wheel, and is provided with the joy-stick lever, a grip part of the main change lever is disposed at a lower position than the steering wheel, a grip part of the position lever is disposed at an outside position of the grip part of the main change lever on a plan view, and a grip part of the joy-stick lever is disposed at a front side position of the grip part of the main change lever on a plan view, and is disposed in a range of a height of the steering wheel on a side view.Type: ApplicationFiled: July 29, 2013Publication date: February 27, 2014Applicant: ISEKI & CO., LTD.Inventors: Takashi WAKINO, Tomoo KIYOKAWA, Satoru KINOSHITA, Noboru SAGAWA, Takanori IZUTANI
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Patent number: 8220582Abstract: A working vehicle includes a HST, forward and reverse pedals, a brake pedal, an intermediate link mechanism (ILM) operating in linkage with operation of the forward or reverse (F or R) pedal, a single shift rod receiving the operation from the ILM and rotating a trunnion shaft of the HST to a forward drive side and to a reverse drive side, a neutral return mechanism (NRM) having a cam plate rotating integrally with the trunnion shaft and forming a curved surface portion, a roller moving in contact with the curved surface portion, a lower return arm configured integrally with a return arm that includes the roller, and a first spring acting in a direction of returning the trunnion shaft to a neutral position, a lower return arm onto which the first spring is latched, a F pedal onto which is latched a second spring acting in a direction of returning the trunnion shaft to the neutral position when depression operation of the F or R pedals is not being performed, an ILM including a damper applying a resistance toType: GrantFiled: May 24, 2010Date of Patent: July 17, 2012Assignee: Iseki & Co., Ltd.Inventors: Mitsuo Toyokawa, Shingo Fujioka, Yusuke Murakami, Tomoaki Watanabe, Masahiko Yoshino, Hiroto Mori, Noboru Sagawa, Kiyofumi Sakurahara
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Publication number: 20110203868Abstract: A working vehicle includes a HST, forward and reverse pedals, a brake pedal, an intermediate link mechanism (ILM) operating in linkage with operation of the forward or reverse (F or R) pedal, a single shift rod receiving the operation from the ILM and rotating a trunnion shaft of the HST to a forward drive side and to a reverse drive side, a neutral return mechanism (NRM) having a cam plate rotating integrally with the trunnion shaft and forming a curved surface portion, a roller moving in contact with the curved surface portion, a lower return arm configured integrally with a return arm that includes the roller, and a first spring acting in a direction of returning the trunnion shaft to a neutral position, a lower return arm onto which the first spring is latched, a F pedal onto which is latched a second spring acting in a direction of returning the trunnion shaft to the neutral position when depression operation of the F or R pedals is not being performed, an ILM including a damper applying a resistance toType: ApplicationFiled: May 24, 2010Publication date: August 25, 2011Applicant: ISEKI & CO., LTD.Inventors: Mitsuo TOYOKAWA, Shingo FUJIOKA, Yusuke MURAKAMI, Tomoaki WATANABE, Masahiko YOSHINO, Hiroto MORI, Noboru SAGAWA, Kiyofumi SAKURAHARA
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Patent number: 4528867Abstract: A transmission case for tractors consists of three parts, a front transmission case, a rear transmission case and a spacer transmission case, the spacer transmission case having a mounting flange around its outer periphery. The front and rear transmission cases are securely mounted to the mounting flange of the spacer transmission case so that the spacer transmission case is contained in either or both of the front and rear transmission cases thereby minimizing the entire length of the transmission case. The transmission case is also characterized in that the spacer transmission case has an opening in the ceiling to enable easy access to the gear components installed in the spacer transmission case during assembling work and adjustment.Type: GrantFiled: September 13, 1982Date of Patent: July 16, 1985Assignee: Iseki & Co., Ltd.Inventors: Hideo Semba, Toshio Hori, Noboru Sagawa, Ryota Nagano
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Patent number: D845182Type: GrantFiled: December 19, 2016Date of Patent: April 9, 2019Assignee: ISEKI & CO., LTD.Inventors: Noboru Sagawa, Shingo Fujioka