Patents by Inventor Takashi Ohama
Takashi Ohama 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: 9067748Abstract: A document feeder includes a reverse transporting mechanism that forms a substantially U-shaped document transporting pathway for carrying a document from a feeding tray located at a lower side to a discharging tray located at an upper side through a reading position, a pulling device, a separating-transporting device and a openable pathway cover. The pulling device and the separating-transporting device are arranged at substantially the same horizontal level within the height that is occupied by the reverse transporting mechanism. The pathway cover is capable of opening and closing to cover on the pulling device, the separating-transporting device and the reverse transporting mechanism.Type: GrantFiled: November 18, 2013Date of Patent: June 30, 2015Assignee: BROTHER KOGYO KABUSHIKI KAISHAInventors: Takashi Ohama, Yoshinori Osakabe, Toshitaka Iwago
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Patent number: 9049326Abstract: A multifunction device including an image recording unit and a scanner unit is provided. The scanner unit includes an image readable plane. The image recording unit includes a first tray, a conveyer path to convey the recording sheet in a first orientation, and a second tray, which is formed along an edge of an opening formed on the front face, and in which the recording sheet having been conveyed in the conveyer path is disposed. The recording sheet in a maximum conveyable size for the conveyer path is disposed to occupy a discharge area in the second tray. A downstream end of the discharge area along a second orientation is in a displaced and downstream position with respect to a downstream end of an image readable area of the image readable plane along the second orientation for a first distance.Type: GrantFiled: September 7, 2012Date of Patent: June 2, 2015Assignee: Brother Kogyo Kabushiki KaishaInventors: Katsuro Miura, Yuji Koga, Isao Kubo, Yasunari Yoshida, Jiro Yamamoto, Masayuki Takata, Takashi Ohama, Yoshinori Osakabe
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Patent number: 9049327Abstract: The instant application discloses an apparatus including an image forming unit and an image reading apparatus. The image forming unit may be disposed adjacent to the base wall of the image reading apparatus. The image reading apparatus may include a base member including the base wall and a peripheral wall protruding orthogonally from the base wall to define an accommodation region; a movable member configured to reciprocate between one end portion of the accommodation region and another end portion of the accommodation region; a reading unit supported by the movable member; a cable having a first extending portion, a curve portion, and a second extending portion; and a contact reduction portion configured to reduce contact of the second extending portion of the cable with a side wall of the peripheral wall. Various embodiments of the contact reduction portion are also disclosed.Type: GrantFiled: September 25, 2013Date of Patent: June 2, 2015Assignee: Brother Kogyo Kabushiki KaishaInventors: Huiging Xu, Daisuke Kozaki, Takashi Ohama
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Patent number: 8991822Abstract: A conveyor device includes a conveyor including a conveyor roller to convey a sheet along a conveyance path, a cover movable between a closed position where the cover covers the conveyor roller and an open position where the cover is separated from the conveyor roller. The conveyor further includes a pinch roller urged toward the conveyor roller when the cover is in the closed position. When the cover is in the closed position, the conveyor roller and the pinch roller define a nip point along the conveyance path. The conveyor device includes a holder supported by the cover and to rotatably support the pinch roller and an urging member disposed between the cover and the holder to move the holder away from the cover to urge the pinch roller toward the conveyor roller when the cover is in the closed position.Type: GrantFiled: September 27, 2013Date of Patent: March 31, 2015Assignee: Brother Kogyo Kabushiki KaishaInventors: Daisuke Kozaki, Takashi Ohama, Ai Oyamada, Takeru Morinaga
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Patent number: 8964268Abstract: A sheet feeding device is formed with a sheet mounting part, and a sheet feeding unit defining a sheet feed path having inlet and outlet. The sheet feeding unit is configured to introduce the sheet on the sheet mounting surface from the inlet, feed the sheet along the feed path, and discharge the sheet from the outlet onto the sheet mounting part. The sheet mounting part includes first and second members arranged next to each other. The first and second members with a border therebetween define a sheet mounting surface. An end portion of one of the first and second members has one or more protruded portions, while an end portion of the other member has one or more slits configured to receive the one or more protruded portions. An upper surface of the one member is located at a higher position than the upper surface of the other member.Type: GrantFiled: September 28, 2012Date of Patent: February 24, 2015Assignee: Brother Kogyo Kabushiki KaishaInventors: Muneaki Takahata, Takashi Ohama
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Patent number: 8913310Abstract: An image reading device includes a conveyor unit that conveys a document along a conveying path for ADF-type image scanning including a curved path. The conveyor unit includes a conveyor roller that reverses a conveying direction of the document in the curved path. The device further includes a first contact surface that comes into contact with a first side of the document when the document is conveyed, a second contact surface that comes into contact with a second side of the document when the document is conveyed, a first reading unit that reads an image on the first side of the document, and a second reading unit disposed above the second contact surface and reading an image on the second side of the document. A part of the conveyor roller is disposed lower than the first and second contact surfaces in an up down direction of the image reading device.Type: GrantFiled: March 10, 2014Date of Patent: December 16, 2014Assignee: Brother Kogyo Kabushiki KaishaInventors: Yoshinori Osakabe, Katsuro Miura, Takashi Ohama
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Patent number: 8908233Abstract: An image processing apparatus includes a cover configured to be movable between a first position, in which the top of the main body is covered, and a second position, in which the top of the main body is exposed; a supporting member configured to vertically move with respect to the main body so that the rotation center of the cover is moved between an ascent position and a descent position; a cam configured to rotate together with the cover such that a cam surface abuts on the main body, thereby vertically moving the supporting member, wherein the cam has a shape to displace the rotation center to the descent position when then the cover rotates to the first position and to displace the rotation center to the ascent position when the cover rotates to the second position so that interference of the cover is suppressed.Type: GrantFiled: July 5, 2013Date of Patent: December 9, 2014Assignee: Brother Kogyo Kabushiki KaishaInventors: Takashi Ohama, Yoshinori Osakabe
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Publication number: 20140267493Abstract: An ink-jet printer including: (i) a recording head which has an outer surface and includes at least one nozzle opening in the outer surface; (ii) a carriage which carries the recording head and which is reciprocateable in a main scanning direction; and (iii) a waste-ink retaining device which retains a waste ink forcedly ejected from the at least one nozzle of the recording head when a flushing operation is performed by the recording head. The waste-ink retaining device includes an ink receiving portion which is provided below a flushing position to which the recording head is moved to perform the flushing operation, and which receives the waste ink ejected by the recording head, and a first ink retaining portion which receives the waste ink from the ink receiving portion and retains the waste ink and which extends upward such that a top end thereof is positioned higher than a height position of the ink receiving portion.Type: ApplicationFiled: May 27, 2014Publication date: September 18, 2014Applicant: BROTHER KOGYO KABUSHIKI KAISHAInventors: Takamitsu KAWAI, Takashi OHAMA
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Patent number: 8770715Abstract: An ink-jet printer including: (i) a recording head which has an outer surface and includes at least one nozzle opening in the outer surface; (ii) a carriage which carries the recording head and which is reciprocateable in a main scanning direction; and (iii) a waste-ink retaining device which retains a waste ink forcedly ejected from the at least one nozzle of the recording head when a flushing operation is performed by the recording head. The waste-ink retaining device includes an ink receiving portion which is provided below a flushing position to which the recording head is moved to perform the flushing operation, and which receives the waste ink ejected by the recording head, and a first ink retaining portion which receives the waste ink from the ink receiving portion and retains the waste ink and which extends upward such that a top end thereof is positioned higher than a height position of the ink receiving portion.Type: GrantFiled: May 4, 2007Date of Patent: July 8, 2014Assignee: Brother Kogyo Kabushiki KaishaInventors: Takamitsu Kawai, Takashi Ohama
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Publication number: 20140185113Abstract: An image reading device includes a conveyor unit that conveys a document along a conveying path for ADF-type image scanning including a curved path. The conveyor unit includes a conveyor roller that reverses a conveying direction of the document in the curved path. The device further includes a first contact surface that comes into contact with a first side of the document when the document is conveyed, a second contact surface that comes into contact with a second side of the document when the document is conveyed, a first reading unit that reads an image on the first side of the document, and a second reading unit disposed above the second contact surface and reading an image on the second side of the document. A part of the conveyor roller is disposed lower than the first and second contact surfaces in an up down direction of the image reading device.Type: ApplicationFiled: March 10, 2014Publication date: July 3, 2014Applicant: BROTHER KOGYO KABUSHIKI KAISHAInventors: Yoshinori Osakabe, Katsuro Miura, Takashi Ohama
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Publication number: 20140151953Abstract: A conveyor device includes a conveyor including a conveyor roller to convey a sheet along a conveyance path, a cover movable between a closed position where the cover covers the conveyor roller and an open position where the cover is separated from the conveyor roller. The conveyor further includes a pinch roller urged toward the conveyor roller when the cover is in the closed position. When the cover is in the closed position, the conveyor roller and the pinch roller define a nip point along the conveyance path. The conveyor device includes a holder supported by the cover and to rotatably support the pinch roller and an urging member disposed between the cover and the holder to move the holder away from the cover to urge the pinch roller toward the conveyor roller when the cover is in the closed position.Type: ApplicationFiled: September 27, 2013Publication date: June 5, 2014Applicant: Brother Kogyo Kabushiki KaishaInventors: Daisuke Kozaki, Takashi Ohama, Ai Oyamada, Takeru Morinaga
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Publication number: 20140153068Abstract: The instant application discloses an apparatus including an image forming unit and an image reading apparatus. The image forming unit may be disposed adjacent to the base wall of the image reading apparatus. The image reading apparatus may include a base member including the base wall and a peripheral wall protruding orthogonally from the base wall to define an accommodation region; a movable member configured to reciprocate between one end portion of the accommodation region and another end portion of the accommodation region; a reading unit supported by the movable member; a cable having a first extending portion, a curve portion, and a second extending portion; and a contact reduction portion configured to reduce contact of the second extending portion of the cable with a side wall of the peripheral wall. Various embodiments of the contact reduction portion are also disclosed.Type: ApplicationFiled: September 25, 2013Publication date: June 5, 2014Applicant: BROTHER KOGYO KABUSHIKI KAISHAInventors: Huiging Xu, Daisuke Kozaki, Takashi Ohama
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Patent number: 8695976Abstract: A sheet conveyor device may include a first portion configured to move, a cam configured to move in response to movement of the first portion, and a guide portion configured to move between first and second positions in response to the movement of the cam, to choose a first or second conveying path for a sheet. The cam may cause the guide portion to remain in position even if the first portion is moved a small amount, thereby helping to reduce the likelihood of paper jams arising from undesired movement of the guide portion.Type: GrantFiled: September 12, 2012Date of Patent: April 15, 2014Assignee: Brother Kogyo Kabushiki KaishaInventors: Muneaki Takahata, Yoshinori Osakabe, Katsuro Miura, Takashi Ohama
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Patent number: 8687247Abstract: An image reading device includes a conveyor unit that conveys a document along a conveying path for ADF-type image scanning including a curved path. The conveyor unit includes a conveyor roller that reverses a conveying direction of the document in the curved path. The device further includes a first contact surface that comes into contact with a first side of the document when the document is conveyed, a second contact surface that comes into contact with a second side of the document when the document is conveyed, a first reading unit that reads an image on the first side of the document, and a second reading unit disposed above the second contact surface and reading an image on the second side of the document. A part of the conveyor roller is disposed lower than the first and second contact surfaces in an up down direction of the image reading device.Type: GrantFiled: March 29, 2012Date of Patent: April 1, 2014Assignee: Brother Kogyo Kabushiki KaishaInventors: Yoshinori Osakabe, Katsuro Miura, Takashi Ohama
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Publication number: 20140070477Abstract: A document feeder includes a reverse transporting mechanism that forms a substantially U-shaped document transporting pathway for carrying a document from a feeding tray located at a lower side to a discharging tray located at an upper side through a reading position, a pulling device, a separating-transporting device and a openable pathway cover. The pulling device and the separating-transporting device are arranged at substantially the same horizontal level within the height that is occupied by the reverse transporting mechanism. The pathway cover is capable of opening and closing to cover on the pulling device, the separating-transporting device and the reverse transporting mechanism.Type: ApplicationFiled: November 18, 2013Publication date: March 13, 2014Applicant: BROTHER KOGYO KABUSHIKI KAISHAInventors: Takashi OHAMA, Yoshinori OSAKABE, Toshitaka IWAGO
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Publication number: 20140009052Abstract: An image processing apparatus includes a cover configured to be movable between a first position, in which the top of the main body is covered, and a second position, in which the top of the main body is exposed; a supporting member configured to vertically move with respect to the main body so that the rotation center of the cover is moved between an ascent position and a descent position; a cam configured to rotate together with the cover such that a cam surface abuts on the main body, thereby vertically moving the supporting member, wherein the cam has a shape to displace the rotation center to the descent position when then the cover rotates to the first position and to displace the rotation center to the ascent position when the cover rotates to the second position so that interference of the cover is suppressed.Type: ApplicationFiled: July 5, 2013Publication date: January 9, 2014Applicant: Brother Kogyo Kabushiki KaishaInventors: Takashi Ohama, Yoshinori Osakabe
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Patent number: 8585035Abstract: A document feeder includes a reverse transporting mechanism that forms a substantially U-shaped document transporting pathway for carrying a document from a feeding tray located at a lower side to a discharging tray located at an upper side through a reading position, a pulling device, a separating-transporting device and a openable pathway cover. The pulling device and the separating-transporting device are arranged at substantially the same horizontal level within the height that is occupied by the reverse transporting mechanism. The pathway cover is capable of opening and closing to cover on the pulling device, the separating-transporting device and the reverse transporting mechanism.Type: GrantFiled: March 17, 2009Date of Patent: November 19, 2013Assignee: Brother Kogyo Kabushiki KaishaInventors: Takashi Ohama, Yoshinori Osakabe, Toshitaka Iwago
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Publication number: 20130256981Abstract: A sheet conveyor device may include a first portion configured to move, a cam configured to move in response to movement of the first portion, and a guide portion configured to move between first and second positions in response to the movement of the cam, to choose a first or second conveying path for a sheet. The cam may cause the guide portion to remain in position even if the first portion is moved a small amount, thereby helping to reduce the likelihood of paper jams arising from undesired movement of the guide portion.Type: ApplicationFiled: September 12, 2012Publication date: October 3, 2013Applicant: BROTHER KOGYO KABUSHIKI KAISHAInventors: Muneaki Takahata, Yoshinori Osakabe, Katsuro Miura, Takashi Ohama
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Publication number: 20130170001Abstract: A sheet feeding device is formed with a sheet mounting part, and a sheet feeding unit defining a sheet feed path having inlet and outlet. The sheet feeding unit is configured to introduce the sheet on the sheet mounting surface from the inlet, feed the sheet along the feed path, and discharge the sheet from the outlet onto the sheet mounting part. The sheet mounting part includes first and second members arranged next to each other. The first and second members with a border therebetween define a sheet mounting surface. An end portion of one of the first and second members has one or more protruded portions, while an end portion of the other member has one or more slits configured to receive the one or more protruded portions. An upper surface of the one member is located at a higher position than the upper surface of the other member.Type: ApplicationFiled: September 28, 2012Publication date: July 4, 2013Inventors: Muneaki Takahata, Takashi Ohama
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Patent number: 8462399Abstract: An image reader includes a casing, a contact glass plate, a contact image sensor, and a sliding mechanism; wherein the contact image sensor has a housing, a light source attached to the housing so as to face the contact glass plate, a plurality of light receiving elements attached to the housing so as to face the contact glass plate and aligned in parallel in a longitudinal direction of the housing, and a bearing formed integral to the housing at a position below a lower surface of the housing; and the sliding mechanism includes a guide shaft provided on the casing and extending in a short direction of the housing and inserted through the bearing, and an urging member elastically which urges the guide shaft toward the contact glass plate so that the housing is pressed against the contact glass plate.Type: GrantFiled: July 16, 2012Date of Patent: June 11, 2013Assignee: Brother Kogyo Kabushiki KaishaInventors: Yoshinori Osakabe, Tatsuya Sato, Akihiro Sakakibara, Takashi Ohama