Patents by Inventor Naoki Hikosaka
Naoki Hikosaka 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).
-
Patent number: 10793167Abstract: Invention includes bogie frame and single link type traction device coupling frame and carbody and transmitting force to carbody, force acting on bogie frame. Single link type traction device includes single link member, receiving seat, and first fastening member. Link member couples center pin of carbody and bogie frame and extends in car longitudinal direction. Receiving seat is provided at fixation target object constituted by center pin or bogie frame, and link member is fixed to receiving seat. First fastening member includes bolt and nut and fixes an end portion of link member to receiving seat. Bolt is inserted into end portion of link member and receiving seat from one side in car longitudinal direction, and nut is threadedly engaged with bolt from other side in car longitudinal direction. Receiving seat includes through hole into which bolt is inserted and nut accommodating space communicating with through hole and accommodating nut.Type: GrantFiled: May 24, 2016Date of Patent: October 6, 2020Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Kazuo Isomura, Takanori Tojo, Masahiro Sakahira, Satoshi Ikeda, Tomohide Maeba, Naoki Hikosaka, Tomohiro Narita
-
Patent number: 10315671Abstract: A restricting member is configured to restrict abnormal rising of a carbody when an air spring expands by a predetermined amount or more. The restricting member includes: a base portion; a contact portion provided at the base portion and configured to be brought into contact with a lower surface of a bogie frame when the air spring expands by the predetermined amount or more; and a temporary fastening portion formed at the base portion. The temporary fastening portion is configured to be attachable to and detachable from a temporary fastened portion formed at a side surface of a center pin extending downward from a carbody.Type: GrantFiled: November 14, 2016Date of Patent: June 11, 2019Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Masahiro Sakahira, Kazuo Isomura, Takanori Tojo, Satoshi Ikeda, Tomohide Maeba, Naoki Hikosaka, Tomohiro Narita
-
Patent number: 10138972Abstract: Each of an assembly for air spring, an air spring, and a carriage for vehicle includes: a first supporting member; a second supporting member arranged to be spaced away from the first supporting member in a main load direction; and an adjusting member connected to the first supporting member and the second supporting member in a plane crossing the main load direction, the adjusting member having anisotropy in elastic property in the plane crossing the main load direction.Type: GrantFiled: October 6, 2014Date of Patent: November 27, 2018Assignees: SUMITOMO ELECTRIC INDUSTRIES, LTD., KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Hirokazu Haraguchi, Jun Yoshida, Kazuo Isomura, Takanori Tojo, Masahiro Sakahira, Jun Shirasaki, Tomohide Maeba, Naoki Hikosaka
-
Patent number: 10112628Abstract: A first bearing casing accommodates a first spherical bearing while restricting a displacement of the first spherical bearing in an axial direction, and a second bearing casing accommodates a second spherical bearing while allowing a displacement of the second spherical bearing in the axial direction. The second bearing casing includes a protruding portion interposed between each of second oil sealing members and the second spherical bearing so as to be spaced apart from the second spherical bearing in the axial direction.Type: GrantFiled: March 2, 2015Date of Patent: October 30, 2018Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Kazuo Isomura, Takanori Tojo, Masahiro Sakahira, Jun Shirasaki, Tomohide Maeba, Naoki Hikosaka
-
Publication number: 20180201281Abstract: Invention includes bogie frame and single link type traction device coupling frame and carbody and transmitting force to carbody, force acting on bogie frame. Single link type traction device includes single link member, receiving seat, and first fastening member. Link member couples center pin of carbody and bogie frame and extends in car longitudinal direction. Receiving seat is provided at fixation target object constituted by center pin or bogie frame, and link member is fixed to receiving seat. First fastening member includes bolt and nut and fixes an end portion of link member to receiving seat. Bolt is inserted into end portion of link member and receiving seat from one side in car longitudinal direction, and nut is threadedly engaged with bolt from other side in car longitudinal direction. Receiving seat includes through hole into which bolt is inserted and nut accommodating space communicating with through hole and accommodating nut.Type: ApplicationFiled: May 24, 2016Publication date: July 19, 2018Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Kazuo ISOMURA, Takanori TOJO, Masahiro SAKAHIRA, Satoshi IKEDA, Tomohide MAEBA, Naoki HIKOSAKA, Tomohiro NARITA
-
Patent number: 9975562Abstract: A railcar includes: a carbody; a bogie constituting member including an interface plate provided at a lower portion of the carbody, an air spring, and a bogie; an automatic level controlling valve configured to maintain a height of the spring within a certain range; a first attaching portion provided on a side surface of the plate, the valve being detachably attached to the side surface of the plate by the first attaching portion; and attaching means provided at the lower portion of the carbody, the valve being detachably attached to the lower portion of the carbody by the attaching means, the bogie constituting member being separable from the carbody in a state where the valve is attached to the side surface of the plate through the first attaching portion or a state where the valve is attached to the lower portion of the carbody through the attaching means.Type: GrantFiled: November 30, 2015Date of Patent: May 22, 2018Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Masahiro Sakahira, Mitsuru Yokoyama, Kazuo Isomura, Takanori Tojo, Satoshi Ikeda, Tomohide Maeba, Naoki Hikosaka, Tomohiro Narita
-
Publication number: 20170151963Abstract: A railcar includes: a carbody; a bogie constituting member including an interface plate provided at a lower portion of the carbody, an air spring, and a bogie; an automatic level controlling valve configured to maintain a height of the spring within a certain range; a first attaching portion provided on a side surface of the plate, the valve being detachably attached to the side surface of the plate by the first attaching portion; and attaching means provided at the lower portion of the carbody, the valve being detachably attached to the lower portion of the carbody by the attaching means, the bogie constituting member being separable from the carbody in a state where the valve is attached to the side surface of the plate through the first attaching portion or a state where the valve is attached to the lower portion of the carbody through the attaching means.Type: ApplicationFiled: November 30, 2015Publication date: June 1, 2017Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Masahiro SAKAHIRA, Mitsuru YOKOYAMA, Kazuo ISOMURA, Takanori TOJO, Satoshi IKEDA, Tomohide MAEBA, Naoki HIKOSAKA, Tomohiro NARITA
-
Publication number: 20170129508Abstract: The present invention relates to a restricting member configured to restrict abnormal rising of a carbody when an air spring expands by a predetermined amount or more. The restricting member includes: a base portion; a contact portion provided at the base portion and configured to be brought into contact with a lower surface of a bogie frame when the air spring expands by the predetermined amount or more; and a temporary fastening portion formed at the base portion. The temporary fastening portion is configured to be attachable to and detachable from a temporary fastened portion formed at a side surface of a center pin extending downward from a carbody.Type: ApplicationFiled: November 14, 2016Publication date: May 11, 2017Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Masahiro SAKAHIRA, Kazuo ISOMURA, Takanori TOJO, Satoshi IKEDA, Tomohide MAEBA, Naoki HIKOSAKA, Tomohiro NARITA
-
Publication number: 20170050650Abstract: A first bearing casing accommodates a first spherical bearing while restricting a displacement of the first spherical bearing in an axial direction, and a second bearing casing accommodates a second spherical bearing while allowing a displacement of the second spherical bearing in the axial direction. The second bearing casing includes a protruding portion interposed between each of second oil sealing members and the second spherical bearing so as to be spaced apart from the second spherical bearing in the axial direction.Type: ApplicationFiled: March 2, 2015Publication date: February 23, 2017Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Kazuo ISOMURA, Takanori TOJO, Masahiro SAKAHIRA, Jun SHIRASAKI, Tomohide MAEBA, Naoki HIKOSAKA
-
Publication number: 20160252153Abstract: Each of an assembly for air spring, an air spring, and a carriage for vehicle includes: a first supporting member; a second supporting member arranged to be spaced away from the first supporting member in a main load direction; and an adjusting member connected to the first supporting member and the second supporting member in a plane crossing the main load direction, the adjusting member having anisotropy in elastic property in the plane crossing the main load direction.Type: ApplicationFiled: October 6, 2014Publication date: September 1, 2016Inventors: Hirokazu HARAGUCHI, Jun YOSHIDA, Kazuo ISOMURA, Takanori TOJO, Masahiro SAKAHIRA, Jun SHIRASAKI, Tomohide MAEBA, Naoki HIKOSAKA
-
Patent number: 7406890Abstract: There is provided a steering control device for a vehicle of a new structure utilizing a ball screw mechanism for compacting the structure. The steering control device for a vehicle includes a first input shaft 1 connected to a handle, a second input shaft 2 connected to a motor 8, an output shaft 3 connected to a steering wheel, a first transmission 6 for rotating a nut 5 in accordance with the rotational motion of the first input shaft 1 so as to transmit the rotational motion of the first input shaft 1 to the rotational motion of the output shaft 3, and a second transmission 7 for moving the nut 5 linearly in the axial direction with respect to the output shaft 3 in accordance with the rotational motion of the second input shaft 2 so as to transmit the rotational motion of the second input shaft 2 to the rotational motion of the output shaft 3. The center line of the second input shaft and the center line of the output shaft are aligned on substantially the same straight line.Type: GrantFiled: May 30, 2003Date of Patent: August 5, 2008Assignee: THK Co., Ltd.Inventors: Katsuhiro Suda, Takao Nojiri, Naoki Hikosaka, Hidekazu Michioka, Masashi Konomoto, Hiroshi Kaneshige, Masayuki Imamura, Katsuya Iida, Takeomi Kawakami
-
Publication number: 20050178232Abstract: There is provided a steering control device for a vehicle of a new structure utilizing a ball screw mechanism for compacting the structure. The steering control device for a vehicle includes a first input shaft 1 connected to a handle, a second input shaft 2 connected to a motor 8, an output shaft 3 connected to a steering wheel, a first transmission 6 for rotating a nut 5 in accordance with the rotational motion of the first input shaft 1 so as to transmit the rotational motion of the first input shaft 1 to the rotational motion of the output shaft 3, and a second transmission 7 for moving the nut 5 linearly in the axial direction with respect to the output shaft 3 in accordance with the rotational motion of the second input shaft 2 so as to transmit the rotational motion of the second input shaft 2 to the rotational motion of the output shaft 3. The center line of the second input shaft and the center line of the output shaft are aligned on substantially the same straight line.Type: ApplicationFiled: May 30, 2003Publication date: August 18, 2005Inventors: Katsuhiro Suda, Takao Najiri, Naoki Hikosaka, Hidekazu Michioka, Masashi Konomoto, Hiroshi Kaneshige, Masayuki Imamura, Katsuya Iida, Takeomi Kawakami
-
Patent number: 6675929Abstract: A steering control apparatus for motor vehicles includes an output shaft for steering a steered wheel, a slider arranged on the outer periphery of an end of the output shaft to be slidable axially linearly, a converting mechanism arranged between the output shaft and the slider for converting linear motion of the slider into rotary motion which is transmitted to the output shaft, a drive mechanism for urging the slider to stroke axially, and an ECU for controlling the drive mechanism.Type: GrantFiled: December 21, 2001Date of Patent: January 13, 2004Assignees: Fuji Kiko Co., Ltd., Nissan Motor Co., Ltd.Inventors: Kotonori Fujiwara, Naoki Hikosaka, Katsuhiro Suda, Takao Nojiri
-
Publication number: 20020096388Abstract: A steering control apparatus for motor vehicles includes an output shaft for steering a steered wheel, a slider arranged on the outer periphery of an end of the output shaft to be slidable axially linearly, a converting mechanism arranged between the output shaft and the slider for converting linear motion of the slider into rotary motion which is transmitted to the output shaft, a drive mechanism for urging the slider to stroke axially, and an ECU for controlling the drive mechanism.Type: ApplicationFiled: December 21, 2001Publication date: July 25, 2002Inventors: Kotonori Fujiwara, Naoki Hikosaka, Katsuhiro Suda, Takao Nojiri