Patents by Inventor Atsuhiko Takeuchi
Atsuhiko Takeuchi 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: 7731178Abstract: A feeding device includes: a hopper, adapted to support a medium; a feeder, operable to feed the medium in a first direction; a separator, operable to nip the medium with the feeder at a nip point; and a guide, having a guide surface which guides the medium in the first direction and is provided with a recessed portion at a downstream side of the nip point in the first direction.Type: GrantFiled: July 12, 2006Date of Patent: June 8, 2010Assignee: Seiko Epson CorporationInventors: Toshio Miyake, Atsuhiko Takeuchi, Yuji Miyamoto
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Patent number: 7726804Abstract: A method for driving a medium supplying apparatus which supplies medium by a pick-up roller, wherein an operation of stopping rotation of the pick-up roller is inserted at least one of before an operation of supplying medium to a separating position where, when a plurality of sheets of medium are fed together by the pick-up roller displaced to the supplying position, an uppermost sheet of the plurality of sheets of medium is separated from a lower sheet or sheets, and before an operation of returning the separated lower sheet or sheets after separating the uppermost sheet from the lower sheet or sheets.Type: GrantFiled: October 21, 2005Date of Patent: June 1, 2010Assignee: Seiko Epson CorporationInventors: Atsuhiko Takeuchi, Satoshi Negishi, Naoki Horie, Katsumi Okuhara
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Publication number: 20090279933Abstract: A rotary shaft locking device includes a locking unit having a transmission gear receiving rotary torque from a power source, transmitting rotary torque to a rotary shaft as the transmission gear receives rotary torque from the power source, and locking the rotary shaft as transmission of rotary torque from the power source is cut off, and a first planetary gear and a second planetary gear provided to be meshed with a sun gear and to planetarily move around the sun gear, and displaced between a meshed position and an unmeshed position so as to be meshed with and separated from the transmission gear. The locking unit locks the rotary shaft for a power cutoff time which occurs when the rotation direction of the sun gear is switched and for which the transmission gear is not meshed with both the first planetary gear and the second planetary gear.Type: ApplicationFiled: May 7, 2009Publication date: November 12, 2009Applicant: SEIKO EPSON CORPORATIONInventors: Satoshi KAWAMURA, Yu SHINAGAWA, Atsuhiko TAKEUCHI
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Publication number: 20090277744Abstract: A locking device of a rotary shaft includes a clutch member rotating integrally with the rotary shaft and provided so as to be displaceable in the direction of axis of the rotary shaft, a locking member provided in a fixed state to engage the clutch member to regulate the rotation of the clutch member, a biasing member biasing the clutch member toward the locking member, and a torque transmission member rotating under the rotary torque transmitted thereto from a power source, having a boss loosely inserted into a cam groove provided in an outer peripheral portion of the clutch member, and transmitting the rotary torque to the clutch member via the boss. The boss is displaced within the cam groove with switching of the rotation/stop of the torque transmission member or switching of the rotational direction thereof.Type: ApplicationFiled: May 8, 2009Publication date: November 12, 2009Applicant: Seiko Epson CorporationInventors: Yu SHINAGAWA, Atsuhiko TAKEUCHI, Satoshi KAWAMURA
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Publication number: 20090251518Abstract: To enable a coupling terminal member of an ink cartridge and a coupling terminal of a printing apparatus to be in certain and increase a degree of freedom on installation position of a coupling terminal member of the cartridge, a cartridge installed in a printing apparatus for supplying the printing apparatus with ink includes an ink cartridge body for containing ink, an ink supply section on which an ink supply opening placed on or near a first sidewall of the ink cartridge body is formed, a memory for storing information on ink in the ink cartridge body, a contact terminal member on a second sidewall of the ink cartridge body coupled to the memory and a positioning member, which protrudes from the second sidewall, for positioning the ink cartridge properly with respect to the printing apparatus when the ink cartridge is installed in the printing apparatus.Type: ApplicationFiled: June 12, 2009Publication date: October 8, 2009Inventors: Satoshi SHINADA, Yasuto SAKAI, Tomio YOKOYAMA, Kazuhiro HASHII, Atsuhiko TAKEUCHI, Kazumasa HARADA
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Patent number: 7553005Abstract: To enable a coupling terminal member of an ink cartridge and a coupling terminal of a printing apparatus to be in certain and increase a degree of freedom on installation position of a coupling terminal member of the cartridge, a cartridge installed in a printing apparatus for supplying the printing apparatus with ink includes an ink cartridge body for containing ink, an ink supply section on which an ink supply opening placed on or near a first sidewall of the ink cartridge body is formed, a memory for storing information on ink in the ink cartridge body, a contact terminal member on a second sidewall of the ink cartridge body coupled to the memory and a positioning member, which protrudes from the second sidewall, for positioning the ink cartridge properly with respect to the printing apparatus when the ink cartridge is installed in the printing apparatus.Type: GrantFiled: August 31, 2006Date of Patent: June 30, 2009Assignee: Seiko Epson CorporationInventors: Satoshi Shinada, Yasuto Sakai, Tomio Yokoyama, Kazuhiro Hashii, Atsuhiko Takeuchi, Kazumasa Harada
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Patent number: 7481426Abstract: A medium feeder is adapted to feed a target medium to a liquid ejecting section in which liquid is ejected toward the target medium. A feeding roller is adapted to come in contact with the target medium, thereby feeding the target medium in a first direction. A first supporter opposes the feeding roller and has a first supporting face adapted to support the target medium. A second supporter is disposed in an upper side of the first supporter and has a second supporting face adapted to support the target medium. A first edge guide is provided on the first supporter so as to be movable in a second direction perpendicular to the first direction, and has a first guiding face adapted to come in contact with a first side edge of the target medium. A second edge guide is provided on the second supporter so as to be movable in the second direction, and has a second guiding face adapted to come in contact with the first side edge of the target medium.Type: GrantFiled: February 9, 2006Date of Patent: January 27, 2009Assignee: Seiko Epson CorporationInventors: Kazuo Otsuka, Atsuhiko Takeuchi, Toshio Miyake, Yuji Miyamoto, Daisuke Watanabe
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Patent number: 7452063Abstract: There is disclosed an ink cartridge capable of being removably held in an ink cartridge accommodation portion simply by pushing in the cartridge in an insertion direction. The ink cartridge (5) is mounted on a carriage (4) having a cartridge accommodation region. A one-push type fixing member (30) in a position facing a surface parallel to an insertion direction in which the cartridge is inserted into the cartridge accommodation region is engaged with a fixing protrusion (12a) forming another one-push type fixing member and cooperating with the first-mentioned one-push type fixing member, so that the cartridge (5) is held in a predetermined position in a state in which the cartridge is resiliently urged by a spring (24) in a direction opposite to the insertion direction.Type: GrantFiled: December 30, 2004Date of Patent: November 18, 2008Assignee: Seiko Epson CorporationInventors: Kazumasa Harada, Kazuhiro Hashii, Atsuhiko Takeuchi
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Patent number: 7438401Abstract: There is disclosed a liquid container that can be removably held in a liquid container accommodation portion by pushing the container in an insertion direction. The liquid container is mounted on a carriage having a container accommodation region. A one-push type fixing member in a position facing a surface parallel to an insertion direction in which the container is inserted into the container accommodation region is engaged with a fixing protrusion forming another one-push type fixing member and cooperating with the first-mentioned one-push type fixing member, so that the container is held in a predetermined position in a state in which the container is resiliently urged by a spring in a direction opposite to the insertion direction.Type: GrantFiled: December 30, 2004Date of Patent: October 21, 2008Assignee: Seiko Epson CorporationInventors: Takeo Seino, Hitotoshi Kimura, Kazumasa Harada, Kazuhiro Hashii, Atsuhiko Takeuchi
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Patent number: 7240990Abstract: There are provided a retaining member 4 having a claw portion 4a engageable to and disengageable from a recessed portion 15 formed at an ink cartridge mounting portion and a valve body 6 biased by a spring 7 provided at an ink supply port 3, maintaining a normally closed state and resiliently abutting the claw portion 4a to the recessed portion 15 by being opened in a state of being inserted with an ink supply needle. Thereby, an ink cartridge providing amounting feeling and dispensing with a spring member for assisting detachment can be provided.Type: GrantFiled: June 10, 2003Date of Patent: July 10, 2007Assignee: Seiko Epson CorporationInventors: Kazumasa Harada, Kazuhiro Hashii, Atsuhiko Takeuchi
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Publication number: 20070019055Abstract: A feeding device includes: a hopper, adapted to support a medium; a feeder, operable to feed the medium in a first direction; a separator, operable to nip the medium with the feeder at a nip point; and a guide, having a guide surface which guides the medium in the first direction and is provided with a recessed portion at a downstream side of the nip point in the first direction.Type: ApplicationFiled: July 12, 2006Publication date: January 25, 2007Applicant: Seiko Epson CorporationInventors: Toshio Miyake, Atsuhiko Takeuchi, Yuji Miyamoto
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Publication number: 20060290757Abstract: To enable a coupling terminal member of an ink cartridge and a coupling terminal of a printing apparatus to be in certain and increase a degree of freedom on installation position of a coupling terminal member of the cartridge, a cartridge installed in a printing apparatus for supplying the printing apparatus with ink includes an ink cartridge body for containing ink, an ink supply section on which an ink supply opening placed on or near a first sidewall of the ink cartridge body is formed, a memory for storing information on ink in the ink cartridge body, a contact terminal member on a second sidewall of the ink cartridge body coupled to the memory and a positioning member, which protrudes from the second sidewall, for positioning the ink cartridge properly with respect to the printing apparatus when the ink cartridge is installed in the printing apparatus.Type: ApplicationFiled: August 31, 2006Publication date: December 28, 2006Inventors: Satoshi Shinada, Yasuto Sakai, Tomio Yokoyama, Kazuhiro Hashii, Atsuhiko Takeuchi, Kazumasa Harada
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Patent number: 7150520Abstract: In order to be enable a coupling terminal member of the ink cartridge and a coupling terminal of the printing apparatus to be in certain and increase a degree of freedom on installation position of a coupling terminal member of an ink cartridge, an ink cartridge installed in a printing apparatus for supplying the printing apparatus with ink includes an ink cartridge body for containing ink therein, an ink supply section on which an ink supply opening placed on or near the first sidewall of the ink cartridge body is formed, a memory for storing information on ink contained in the ink cartridge body, a contact terminal member placed on the second sidewall of the ink cartridge body and coupled to the memory and a positioning member, which protrudes from the second sidewall of the ink cartridge body, for positioning the ink cartridge properly with respect to the printing apparatus when the ink cartridge is installed in the printing apparatus.Type: GrantFiled: March 26, 2003Date of Patent: December 19, 2006Assignee: Seiko Epson CorporationInventors: Satoshi Shinada, Yasuto Sakai, Tomio Yokoyama, Kazuhiro Hashii, Atsuhiko Takeuchi, Kazumasa Harada
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Publication number: 20060197275Abstract: A medium feeder is adapted to feed a target medium to a liquid ejecting section in which liquid is ejected toward the target medium. A feeding roller is adapted to come in contact with the target medium, thereby feeding the target medium in a first direction. A first supporter opposes the feeding roller and has a first supporting face adapted to support the target medium. A second supporter is disposed in an upper side of the first supporter and has a second supporting face adapted to support the target medium. A first edge guide is provided on the first supporter so as to be movable in a second direction perpendicular to the first direction, and has a first guiding face adapted to come in contact with a first side edge of the target medium. A second edge guide is provided on the second supporter so as to be movable in the second direction, and has a second guiding face adapted to come in contact with the first side edge of the target medium.Type: ApplicationFiled: February 9, 2006Publication date: September 7, 2006Applicant: Seiko Epson CorporationInventors: Kazuo Otsuka, Atsuhiko Takeuchi, Toshio Miyake, Yuji Miyamoto, Daisuke Watanabe
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Publication number: 20060164480Abstract: There are provided a retaining member 4 having a claw portion 4a engageable to and disengageable from a recessed portion 15 formed at an ink cartridge mounting portion and a valve body 6 biased by a spring 7 provided at an ink supply port 3, maintaining a normally closed state and resiliently abutting the claw portion 4a to the recessed portion 15 by being opened in a state of being inserted with an ink supply needle. Thereby, an ink cartridge providing amounting feeling and dispensing with a spring member for assisting detachment can be provided.Type: ApplicationFiled: June 10, 2003Publication date: July 27, 2006Inventors: Kazumasa Harada, Kazuhiro Hashii, Atsuhiko Takeuchi
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Publication number: 20060098072Abstract: A method for driving a medium supplying apparatus which supplies medium by a pick-up roller, wherein an operation of stopping rotation of the pick-up roller is inserted at least one of before an operation of supplying medium to a separating position where, when a plurality of sheets of medium are fed together by the pick-up roller displaced to the supplying position, an uppermost sheet of the plurality of sheets of medium is separated from a lower sheet or sheets, and before an operation of returning the separated lower sheet or sheets after separating the uppermost sheet from the lower sheet or sheets.Type: ApplicationFiled: October 21, 2005Publication date: May 11, 2006Inventors: Atsuhiko Takeuchi, Satoshi Negishi, Naoki Horie, Katsumi Okuhara
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Publication number: 20060087069Abstract: A feeder is operable to feed the medium. A separator is provided with an abutment portion on which the medium fed in a first direction by the feeder is adapted to abut and which projects in a second direction opposed to the first direction.Type: ApplicationFiled: October 21, 2005Publication date: April 27, 2006Inventors: Atsuhiko Takeuchi, Naoki Horie, Satoshi Negishi, Kazuo Otsuka, Katsumi Okuhara
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Patent number: 7018027Abstract: There is disclosed an ink cartridge capable of being removably held in an ink cartridge accommodation portion simply by pushing in the cartridge in an insertion direction. The ink cartridge (5) is mounted on a carriage (4) having a cartridge accommodation region. A one-push type fixing member (30) in a position facing a surface parallel to an insertion direction in which the cartridge is inserted into the cartridge accommodation region is engaged with a fixing protrusion (12a) forming another one-push type fixing member and cooperating with the first-mentioned one-push type fixing member, so that the cartridge (5) is held in a predetermined position in a state in which the cartridge is resiliently urged by a spring (24) in a direction opposite to the insertion direction.Type: GrantFiled: June 17, 2003Date of Patent: March 28, 2006Assignee: Seiko Epson CorporationInventors: Kazumasa Harada, Kazuhiro Hashii, Atsuhiko Takeuchi
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Publication number: 20050248637Abstract: There is disclosed a liquid container that can be removably held in a liquid container accommodation portion by pushing the container in an insertion direction. The liquid container is mounted on a carriage having a container accommodation region. A one-push type fixing member in a position facing a surface parallel to an insertion direction in which the container is inserted into the container accommodation region is engaged with a fixing protrusion forming another one-push type fixing member and cooperating with the first-mentioned one-push type fixing member, so that the container is held in a predetermined position in a state in which the container is resiliently urged by a spring in a direction opposite to the insertion direction.Type: ApplicationFiled: December 30, 2004Publication date: November 10, 2005Inventors: Takeo Seino, Hitotoshi Kimura, Kazumasa Harada, Kazuhiro Hashii, Atsuhiko Takeuchi
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Publication number: 20050116998Abstract: There is disclosed an ink cartridge capable of being removably held in an ink cartridge accommodation portion simply by pushing in the cartridge in an insertion direction. The ink cartridge (5) is mounted on a carriage (4) having a cartridge accommodation region. A one-push type fixing member (30) in a position facing a surface parallel to an insertion direction in which the cartridge is inserted into the cartridge accommodation region is engaged with a fixing protrusion (12a) forming another one-push type fixing member and cooperating with the first-mentioned one-push type fixing member, so that the cartridge (5) is held in a predetermined position in a state in which the cartridge is resiliently urged by a spring (24) in a direction opposite to the insertion direction.Type: ApplicationFiled: December 30, 2004Publication date: June 2, 2005Inventors: Kazumasa Harada, Kazuhiro Hashii, Atsuhiko Takeuchi