Patents by Inventor Masayuki Sasaoka
Masayuki Sasaoka 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: 8522837Abstract: Gas canister retaining structure includes: a gas canister cover pivotable between an opened position for attaching/detaching a cassette gas canister to/from the retaining structure and a closed position for accommodating and holding the gas canister in place within the canister cover; a mouthpiece support section provided inside the gas canister cover for supporting a mouthpiece portion of the cassette gas canister with a jet nozzle of the cassette gas canister received in a nozzle receiving port provided in the mouthpiece support section; and a shutter member pivotable between an opened position for opening the nozzle receiving port and a closed position for closing the nozzle receiving port.Type: GrantFiled: December 24, 2008Date of Patent: September 3, 2013Assignee: Honda Motor Co., Ltd.Inventors: Hideaki Kobayashi, Masayuki Sasaoka, Tomoki Ito
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Patent number: 8307803Abstract: A work machine to which a cassette gas cylinder is detachably attached is disclosed. The cassette gas cylinder is accommodated inside a gas cylinder case. The gas cylinder case for accommodating the cassette gas cylinder is detachably attached to the work machine so that the gas cylinder case wherein the cassette gas cylinder is accommodated can be transported together with the cylinder.Type: GrantFiled: May 22, 2009Date of Patent: November 13, 2012Assignee: Honda Motor Co., Ltd.Inventors: Tomoki Ito, Hideaki Kobayashi, Tomomi Nakaya, Masayuki Sasaoka
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Patent number: 8201652Abstract: A work vehicle includes an engine driven by gas fuel sealed inside a cassette gas cylinder. The cassette gas cylinder is installed in a cylinder mount. The cylinder mount comprises a mouthpiece support for supporting a mouthpiece of the cassette gas cylinder, and a shutter member swingable about a support shaft provided to the cylinder mount, for opening and closing an opening of the mouthpiece support from above the mouthpiece support.Type: GrantFiled: November 24, 2009Date of Patent: June 19, 2012Assignee: Honda Motor Co., Ltd.Inventors: Tomoki Ito, Koichi Azuma, Tomomi Nakaya, Masayuki Sasaoka
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Patent number: 8136843Abstract: In a gas-engine-mounted working machine, a gas engine is mounted on a machine body and supplied with fuel gas from a cassette gas canister. The cassette gas canister is detachably attached to a gas canister retainer assembly. Handle column extends rearwardly and upwardly from the machine body and having left and right handle posts fixed to the machine body for supporting an operating handle of the machine. The cassette gas canister is mounted, via the gas canister retainer assembly, between the left and right handle posts.Type: GrantFiled: November 20, 2008Date of Patent: March 20, 2012Assignee: Honda Motor Co., Ltd.Inventors: Hideaki Kobayashi, Masayuki Sasaoka
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Patent number: 8066081Abstract: A small-sized tiller includes a stand unit configured to solely support the tiller in a self-standing state. The stand unit has a pole portion removably mountable to a resistance-bar attachment portion of the body frame when a resistance bar has been removed from the resistance-bar attachment portion.Type: GrantFiled: November 19, 2009Date of Patent: November 29, 2011Assignee: Honda Motor Co., Ltd.Inventors: Tomoki Ito, Koichi Azuma, Tomomi Nakaya, Masayuki Sasaoka
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Patent number: 7744503Abstract: An engine-driven work machine having a target engine speed selection unit and a control unit. The target engine speed selection unit selects and specifies an arbitrary target engine speed from among a plurality of target engine speeds that is set in stepwise fashion. The control unit electrically controls the opening and closing of a throttle valve so that the actual engine speed conforms to the specified target engine speed.Type: GrantFiled: January 17, 2007Date of Patent: June 29, 2010Assignee: Honda Motor Co., Ltd.Inventors: Hiroshi Kobayashi, Masayuki Sasaoka, Toshio Inoue, Kenzo Shimada, Yoshinori Maekawa
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Publication number: 20100126788Abstract: A work vehicle includes an engine driven by gas fuel sealed inside a cassette gas cylinder. The cassette gas cylinder is installed in a cylinder mount. The cylinder mount comprises a mouthpiece support for supporting a mouthpiece of the cassette gas cylinder, and a shutter member swingable about a support shaft provided to the cylinder mount, for opening and closing an opening of the mouthpiece support from above the mouthpiece support.Type: ApplicationFiled: November 24, 2009Publication date: May 27, 2010Applicant: HONDA MOTOR CO., LTD.Inventors: Tomoki Ito, Koichi Azuma, Tomomi Nakaya, Masayuki Sasaoka
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Publication number: 20100126741Abstract: A small-sized tiller includes a stand unit configured to solely support the tiller in a self-standing state. The stand unit has a pole portion removably mountable to a resistance-bar attachment portion of the body frame when a resistance bar has been removed from the resistance-bar attachment portion.Type: ApplicationFiled: November 19, 2009Publication date: May 27, 2010Applicant: HONDA MOTOR CO., LTD.Inventors: Tomoki ITO, Koichi AZUMA, Tomomi Nakaya, Masayuki Sasaoka
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Patent number: 7690685Abstract: A steering mechanism of a vehicle has a suspension arm, and steering acceleration gear mechanisms for steering left and right front wheels provided to either end of the suspension arm. A portion of the suspension arm protrudes further forwardly of the vehicle than the steering acceleration gear mechanisms, so that the steering acceleration gear mechanisms including knuckle arms are protected from obstructions.Type: GrantFiled: June 11, 2007Date of Patent: April 6, 2010Assignee: Honda Motor Co., Ltd.Inventor: Masayuki Sasaoka
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Patent number: 7644781Abstract: A walk-behind working machine includes a first clutch mechanism for connecting or disconnecting drive between an engine and a working member of the working machine. The first clutch mechanism includes a first clutch lever having a first activating member. A second clutch mechanism is configured to connect or disconnect drive between the engine and traveling members of the working machine. The second clutch mechanism includes a second clutch lever having a second activating member. A throttle regulating mechanism has a pivoting member for engagement with one of the first activating member of the first clutch mechanism and the second activating member of the second clutch mechanism so as to undergo pivotal movement to shift a throttle for the engine from a first opened position in which an idling engine speed is produced to a second opened position in which a working-machine-activating engine speed is produced.Type: GrantFiled: March 14, 2006Date of Patent: January 12, 2010Assignee: Honda Motor Co., Ltd.Inventors: Hiroshi Moriyama, Takashi Suzuki, Masayuki Sasaoka, Makoto Warashina, Dominique Vougier
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Publication number: 20090293837Abstract: A work machine to which a cassette gas cylinder is detachably attached is disclosed. The cassette gas cylinder is accommodated inside a gas cylinder case. The gas cylinder case for accommodating the cassette gas cylinder is detachably attached to the work machine so that the gas cylinder case wherein the cassette gas cylinder is accommodated can be transported together with the cylinder.Type: ApplicationFiled: May 22, 2009Publication date: December 3, 2009Applicant: HONDA MOTOR CO., LTD.Inventors: Tomoki Ito, Hideaki Kobayashi, Tomomi Nakaya, Masayuki Sasaoka
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Patent number: 7584804Abstract: A walk-behind electric working machine has a frame, an electric motor mounted on the frame, and a handle support section mounted on the frame, the handle support section having a pair of electrical terminals. A handle post has a first end portion for removable connection to the handle support section, a second end portion, and an electrical terminal disposed on an outer peripheral surface of the first end portion for electrical connection with the electrical terminals of the handle support section when the first end portion of the handle post is connected to the handle support section. A handle is removably mounted on the second end portion of the handle post and has handle portions. Grip members are mounted on the respective handle portions and are configured to be gripped by respective hands of an operator. An operation button controls power to operate the electric motor when the electrical terminal of the handle post is electrically connected to the electrical terminals of the handle support section.Type: GrantFiled: April 25, 2006Date of Patent: September 8, 2009Assignee: Honda Motor Co., Ltd.Inventors: Yasumi Fukuzumi, Norikazu Shimizu, Jun Ito, Masayuki Sasaoka
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Publication number: 20090159600Abstract: Gas canister retaining structure includes: a gas canister cover pivotable between an opened position for attaching/detaching a cassette gas canister to/from the retaining structure and a closed position for accommodating and holding the gas canister in place within the canister cover; a mouthpiece support section provided inside the gas canister cover for supporting a mouthpiece portion of the cassette gas canister with a jet nozzle of the cassette gas canister received in a nozzle receiving port provided in the mouthpiece support section; and a shutter member pivotable between an opened position for opening the nozzle receiving port and a closed position for closing the nozzle receiving port.Type: ApplicationFiled: December 24, 2008Publication date: June 25, 2009Applicant: Honda Motor Co., Ltd.Inventors: Hideaki Kobayashi, Masayuki Sasaoka, Tomoki Ito
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Publication number: 20090127841Abstract: In a gas-engine-mounted working machine, a gas engine is mounted on a machine body and supplied with fuel gas from a cassette gas canister. The cassette gas canister is detachably attached to a gas canister retainer assembly. Handle column extends rearwardly and upwardly from the machine body and having left and right handle posts fixed to the machine body for supporting an operating handle of the machine. The cassette gas canister is mounted, via the gas canister retainer assembly, between the left and right handle posts.Type: ApplicationFiled: November 20, 2008Publication date: May 21, 2009Applicant: Honda Motor Co., Ltd.Inventors: Hideaki KOBAYASHI, Masayuki Sasaoka
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Patent number: 7523600Abstract: A lawn mower, which is driven by an electric motor or an internal combustion engine, has an operation handle 80, which is formed by connecting through a grip part 82 rear ends of left and right long handgrips 81L, 81R extending rearward from the body of the lawn mower supported by wheels 6 and 7. A first operation member 84 is provided near a central portion of the grip part 82 of the operation handle 80, and a second operation member 85 is swingably supported by the operation handle 80. The second operation member 85 is arranged on the front side of the grip part 82 so as to freely move to and from the grip part 82. The lawn mower is driven by sequential operation of the first and second operation members 84, 85. Thus it is possible to constantly keep the lawn mower stable, enabling easy and quick operation, and improving operability.Type: GrantFiled: May 22, 2007Date of Patent: April 28, 2009Assignee: Honda Motor Co., Ltd.Inventor: Masayuki Sasaoka
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Publication number: 20070284839Abstract: A steering mechanism of a vehicle has a suspension arm, and steering acceleration gear mechanisms for steering left and right front wheels provided to either end of the suspension arm. A portion of the suspension arm protrudes further forwardly of the vehicle than the steering acceleration gear mechanisms, so that the steering acceleration gear mechanisms including knuckle arms are protected from obstructions.Type: ApplicationFiled: June 11, 2007Publication date: December 13, 2007Applicant: Honda Motor Co., Ltd.Inventor: Masayuki Sasaoka
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Publication number: 20070271892Abstract: A lawn mower, which is driven by an electric motor or an internal combustion engine, has an operation handle 80, which is formed by connecting through a grip part 82 rear ends of left and right long handgrips 81L, 81R extending rearward from the body of the lawn mower supported by wheels 6 and 7. A first operation member 84 is provided near a central portion of the grip part 82 of the operation handle 80, and a second operation member 85 is swingably supported by the operation handle 80. The second operation member 85 is arranged on the front side of the grip part 82 so as to freely move to and from the grip part 82. The lawn mower is driven by sequential operation of the first and second operation members 84, 85. Thus it is possible to constantly keep the lawn mower stable, enabling easy and quick operation, and improving operability.Type: ApplicationFiled: May 22, 2007Publication date: November 29, 2007Applicant: HONDA MOTOR CO., LTD.Inventor: Masayuki SASAOKA
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Publication number: 20070169743Abstract: An engine-driven work machine having a target engine speed selection unit and a control unit. The target engine speed selection unit selects and specifies an arbitrary target engine speed from among a plurality of target engine speeds that is set in stepwise fashion. The control unit electrically controls the opening and closing of a throttle valve so that the actual engine speed conforms to the specified target engine speed.Type: ApplicationFiled: January 17, 2007Publication date: July 26, 2007Applicant: Honda Motor Co., Ltd.Inventors: Hiroshi Kobayashi, Masayuki Sasaoka, Toshio Inoue, Kenzo Shimada, Yoshinori Maekawa
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Patent number: 7143835Abstract: A walk-behind electric working machine has a frame, an electric motor mounted on the frame, and a handle support section mounted on the frame, the handle support section having a pair of electrical terminals. A handle post has a first end portion for removable connection to the handle support section, a second end portion, and an electrical terminal disposed on an outer peripheral surface of the first end portion for electrical connection with the electrical terminals of the handle support section when the first end portion of the handle post is connected to the handle support section. A handle is removably mounted on the second end portion of the handle post and has handle portions. Grip members are mounted on the respective handle portions and are configured to be gripped by respective hands of an operator. An operation button controls power to operate the electric motor when the electrical terminal of the handle post is electrically connected to the electrical terminals of the handle support section.Type: GrantFiled: February 26, 2004Date of Patent: December 5, 2006Assignee: Honda Motor Co., Ltd.Inventors: Yasumi Fukuzumi, Norikazu Shimizu, Jun Ito, Masayuki Sasaoka
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Publication number: 20060211540Abstract: A walk-behind working machine includes a first clutch lever, a second clutch lever, and a throttle having a degree of opening controllable by each of the first clutch lever and the second clutch lever. The working machine also includes a pivoting member, a throttle wire connected to the pivoting member, and a first activating member provided to the first clutch lever for engagement with an engagement member provided to the pivoting member. When the first clutch lever is operated to place a first clutch in a connected state, the throttle is shifted by operation of the first clutch lever from a first opened position in which an idling engine speed is produced to a second opened position in which a working-machine-activating engine speed is produced.Type: ApplicationFiled: March 14, 2006Publication date: September 21, 2006Inventors: Hiroshi Moriyama, Takashi Suzuki, Masayuki Sasaoka, Makoto Warashina, Dominique Vougier