Patents by Inventor Mitsuhiko Obe
Mitsuhiko Obe 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: 10857962Abstract: The present disclosure achieves a cabin-protection structure and a tractor, each of which has improved usability. Provided is a cabin-protection structure (30) for a tractor (1). The tractor (1) includes: a cabin framework (50) that defines a cabin (12) containing an operation device; a roof (20) provided above the cabin framework (50). The cabin-protection structure (30) is provided above the roof (20).Type: GrantFiled: January 24, 2019Date of Patent: December 8, 2020Inventors: David Ficheux, Thibault Dussaussois, Philippe Dedavrichewy, Mitsuhiko Obe
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Publication number: 20190225176Abstract: The present disclosure achieves a cabin-protection structure and a tractor, each of which has improved usability. Provided is a cabin-protection structure (30) for a tractor (1). The tractor (1) includes: a cabin framework (50) that defines a cabin (12) containing an operation device; a roof (20) provided above the cabin framework (50). The cabin-protection structure (30) is provided above the roof (20).Type: ApplicationFiled: January 24, 2019Publication date: July 25, 2019Inventors: David FICHEUX, Thibault DUSSAUSSOIS, Philippe DEDAVRICHEWY, Mitsuhiko OBE
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Patent number: 9242681Abstract: A cabin system to be mounted on a vehicle body includes a driver's seat, an air conditioner body for indoor air conditioning disposed downwardly of the drive's seat, a plurality of support pillars constituting a cabin framework, a ceiling portion, and a main duct having a hollow tubular construction, the main duct forming therein an air passageway for the indoor air conditioning. The main duct includes, at a lower portion thereof, a duct connecting opening to be connected to the air conditioner body and also includes, at a lateral portion thereof, a support pillar engaging face. The main duct is attached through the support pillar engaging face to one of the support pillars along an indoor side peripheral face of the one support pillar. The support pillar engaging face of the main duct and the indoor side peripheral face of the one support pillar have profiles complementary with each other.Type: GrantFiled: June 20, 2014Date of Patent: January 26, 2016Assignee: Kubota CorporationInventors: Mitsuhiko Obe, Azusa Hirano, Eiichi Ishida, Kenichi Ishido
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Publication number: 20140300140Abstract: A cabin system to be mounted on a vehicle body includes a driver's seat, an air conditioner body for indoor air conditioning disposed downwardly of the drive's seat, a plurality of support pillars constituting a cabin framework, a ceiling portion, and a main duct having a hollow tubular construction, the main duct forming therein an air passageway for the indoor air conditioning. The main duct includes, at a lower portion thereof, a duct connecting opening to be connected to the air conditioner body and also includes, at a lateral portion thereof, a support pillar engaging face. The main duct is attached through the support pillar engaging face to one of the support pillars along an indoor side peripheral face of the one support pillar. The support pillar engaging face of the main duct and the indoor side peripheral face of the one support pillar have profiles complementary with each other.Type: ApplicationFiled: June 20, 2014Publication date: October 9, 2014Inventors: Mitsuhiko Obe, Azusa Hirano, Eiichi Ishida, Kenichi Ishido
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Patent number: 8801086Abstract: A cabin system to be mounted on a vehicle body includes a driver's seat, an air conditioner body for indoor air conditioning disposed downwardly of the driver's seat, a plurality of support pillars constituting a cabin framework, a ceiling portion, and a main duct having a hollow tubular construction, the main duct forming therein an air passageway for the indoor air conditioning. The main duct includes, at a lower portion thereof, a duct connecting opening to be connected to the air conditioner body and also includes, at a lateral portion thereof, a support pillar engaging face. The main duct is attached through the support pillar engaging face to one of the support pillars along an indoor side peripheral face of the one support pillar. The support pillar engaging face of the main duct and the indoor side peripheral face of the one support pillar have profiles complementary with each other.Type: GrantFiled: June 13, 2013Date of Patent: August 12, 2014Assignee: Kubota CorporationInventors: Mitsuhiko Obe, Azusa Hirano, Eiichi Ishida, Kenichi Ishido
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Publication number: 20130270867Abstract: A cabin system to be mounted on a vehicle body includes a driver's seat, an air conditioner body for indoor air conditioning disposed downwardly of the driver's seat, a plurality of support pillars constituting a cabin framework, a ceiling portion, and a main duct having a hollow tubular construction, the main duct forming therein an air passageway for the indoor air conditioning. The main duct includes, at a lower portion thereof, a duct connecting opening to be connected to the air conditioner body and also includes, at a lateral portion thereof, a support pillar engaging face. The main duct is attached through the support pillar engaging face to one of the support pillars along an indoor side peripheral face of the one support pillar. The support pillar engaging face of the main duct and the indoor side peripheral face of the one support pillar have profiles complementary with each other.Type: ApplicationFiled: June 13, 2013Publication date: October 17, 2013Inventors: Mitsuhiko Obe, Azusa Hirano, Eiichi Ishida, Kenichi Ishido
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Patent number: 8485589Abstract: A cabin system to be mounted on a vehicle body is disclosed. The cabin system includes a driver's seat, an air conditioner body for indoor air conditioning disposed downwardly of the drive's seat, a plurality of support pillars constituting a cabin framework, a ceiling portion, and a main duct having a hollow tubular construction, the main duct forming therein an air passageway for the indoor air conditioning. The main duct includes, at a lower portion thereof, a duct connecting opening to be connected to the air conditioner body and also includes, at a lateral portion thereof, a support pillar engaging face. The main duct is attached through the support pillar engaging face to one of the support pillars along an indoor side peripheral face of the one support pillar. The support pillar engaging face of the main duct and the indoor side peripheral face of the one support pillar have profiles complementary with each other.Type: GrantFiled: March 21, 2011Date of Patent: July 16, 2013Assignee: Kubota CorporationInventors: Mitsuhiko Obe, Azusa Hirano, Eiichi Ishida, Kenichi Ishido
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Publication number: 20110241379Abstract: A cabin system to be mounted on a vehicle body is disclosed. The cabin system includes a driver's seat, an air conditioner body for indoor air conditioning disposed downwardly of the drive's seat, a plurality of support pillars constituting a cabin framework, a ceiling portion, and a main duct having a hollow tubular construction, the main duct forming therein an air passageway for the indoor air conditioning. The main duct includes, at a lower portion thereof, a duct connecting opening to be connected to the air conditioner body and also includes, at a lateral portion thereof, a support pillar engaging face. The main duct is attached through the support pillar engaging face to one of the support pillars along an indoor side peripheral face of the one support pillar. The support pillar engaging face of the main duct and the indoor side peripheral face of the one support pillar have profiles complementary with each other.Type: ApplicationFiled: March 21, 2011Publication date: October 6, 2011Applicant: KUBOTA CORPORATIONInventors: Mitsuhiko Obe, Azusa Hirano, Eiichi Ishida, Kenichi Ishido
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Patent number: 7575081Abstract: A work vehicle includes a traveling vehicle body and a hood provided at a front portion of the vehicle body for covering an engine room. The hood includes a front face having a plurality of first air vent holes and right and left side faces each having a plurality of second air vent holes. A radiator is mounted inside the hood, ambient air being drawn in through the first and second air vent holes toward the radiator. A vent hole area ratio of each side face of the hood determined by the second air vent holes is set smaller than a vent hole area ratio of the front face of the hood determined by the first air vent holes.Type: GrantFiled: September 17, 2004Date of Patent: August 18, 2009Assignee: Kubota CorporationInventors: Mitsuhiko Obe, Akihiro Asada, Takashi Kobayashi
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Publication number: 20050211487Abstract: A work vehicle includes a traveling vehicle body and a hood provided at a front portion of the vehicle body for covering an engine room. The hood includes a front face having a plurality of first air vent holes and right and left side faces each having a plurality of second air vent holes. A radiator is mounted inside the hood, ambient air being drawn in through the first and second air vent holes toward the radiator. A vent hole area ratio of each side face of the hood determined by the second air vent holes is set smaller than a vent hole area ratio of the front face of the hood determined by the first air vent holes.Type: ApplicationFiled: September 17, 2004Publication date: September 29, 2005Applicant: KUBOTA CORPORATIONInventors: Mitsuhiko Obe, Akihiro Asada, Takashi Kobayashi
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Publication number: 20040216934Abstract: A working vehicle includes a vehicle body, a radiator mounted on the vehicle body, and a hood provided at a front portion of the vehicle body for covering the radiator. The hood includes a hood body, a front-face grill portion provided at a front face of the hood body for introducing ambient air to the interior of the hood and a pair of side-face grill portions provided at right and left side faces of the hood body for introducing ambient air into the interior of the hood. A rectifier member is provided for controlling the flow of ambient air introduced from a rear portion of the side-face grill portion.Type: ApplicationFiled: January 23, 2004Publication date: November 4, 2004Applicant: KUBOTA CORPORATIONInventors: Yuji Tomiyama, Teruhito Yamauchi, Satoshi Yoshikawa, Atsushi Hayashi, Shigeo Sakamoto, Mitsuhiko Obe
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Patent number: 5289680Abstract: A hydraulic circuit for a working vehicle comprising a first pump, a second pump, a first actuator, a second actuator, and a selector valve having a plurality of control positions. The selector valve is switchable between a first position for connecting the first pump to the first actuator and the second pump to the second actuator, and a second position for connecting the first pump and the second pump to the second actuator. This circuit includes a first relief valve disposed between the selector valve and the first pump, and a second relief valve disposed between the selector valve and the second pump. The first relief valve is set to a higher relief pressure than the second relief valve.Type: GrantFiled: March 8, 1991Date of Patent: March 1, 1994Assignee: Kubota CorporationInventors: Mitsuhiko Obe, Hironobu Kubota
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Patent number: 4721031Abstract: A tractor cabin having struts, a top framework, an air conditioner mounted on the top framework, and a ceiling assembly covering an entire ceiling area of the cabin. In order to optimize air conditioned flows, the ceiling assembly includes outlet vents in a front region thereof for delivering defrosting air flows, outlet vents in lateral sides thereof for delivering air flows for the driver, an inside air intake vent in a rear portion thereof inside the cabin, and an outside air intake vent rearwardly and outwardly of the cabin. The ceiling assembly further includes an overhead console box having an air conditioning control unit and other elements. The console box is disposed such that its lower end is on or above a straight line extending from the driver's eye level to the top edge of a windshield to provide the driver with an unobstructed forward view.Type: GrantFiled: May 14, 1986Date of Patent: January 26, 1988Assignee: Kubota, Ltd.Inventors: Masaru Nakata, Kenichi Sato, Isama Kawai, Katsumi Ohishi, Mitsuhiko Obe, Takao Nishikawa, Yoshaburo Shimizu, Kenji Hinoue
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Patent number: 4650242Abstract: A tractor cabin having a pair of right and left front struts, a pair of right and left rear struts, a pair of right and left intermediate struts disposed between the front and rear struts, a top frame interconnecting upper ends of the front, rear and intermediate struts, a floor sheet attached to lower ends of the front, rear and intermediate struts, and a gate-shaped cabin front defined by the front struts and the top frame. The cabin comprises a gate-shaped partition assembly disposed at a lower mid-position transversely of the cabin front, connecting members connecting right and left lower ends of the partition assembly to lower ends of the right and left front struts, and a transparent member secured to inner peripheries of the cabin front, the transparent member including side transparent portions extending downwardly therefrom.Type: GrantFiled: September 26, 1985Date of Patent: March 17, 1987Assignee: Kubuto, Ltd.Inventors: Mitsuhiko Obe, Isamu Kawai, Masaru Nakata, Katumi Oisi, Yosaburo Shimizu, Katsushi Fukawatase, Takao Nishikawa, Kenji Hinoue, Susumu Arisawa, Kenichi Sato, Yasunori Kurata, Kengo Sato
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Patent number: D519131Type: GrantFiled: August 17, 2004Date of Patent: April 18, 2006Assignee: Kubota CorporationInventors: Junta Kuwae, Mitsuhiko Obe
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Patent number: D387068Type: GrantFiled: November 28, 1995Date of Patent: December 2, 1997Assignee: Kubota CorporationInventors: Hisato Kato, Mitsuhiko Obe, Seiichi Takahashi