Patents by Inventor Kousuke Katahira
Kousuke Katahira 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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Publication number: 20160272222Abstract: A steering bogie provided with a pair of tires (13) positioned on both sides in the vehicle-widthwise direction, a primary suspension mechanism (51) for supporting the pair of tires (13) independent from a subframe (11), and a steering guide device (14) which is guided along guide rails (6) extending along a track (5), wherein the steering guide device (14) is equipped with: a guide frame (31); guide wheels (33) which roll as a result of contact with the guide rails (6), and are rotatably supported by the guide frame (31); and a guide frame support mechanism (32) for supporting the guide frame (31) by hanging from the primary suspension mechanism (51).Type: ApplicationFiled: September 4, 2014Publication date: September 22, 2016Inventors: Kousuke KATAHIRA, So TAMURA, Mitsuaki HOSHI
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Patent number: 9446632Abstract: Provided is a core (10A), in which split pieces (10P) adjacent to each other in a circumferential direction are coupled by a coupling pin (11), an axial direction of which is disposed in a width direction of the split pieces (10P), at a radial inner circumferential side thereof, and split surfaces (10a, 10b) formed by both of the split pieces (10P, 10P) include a first load receiving surface (10c) and a second load receiving surface (10d) having a predetermined angle with respect to a radial direction at a radial outer circumferential side from the coupling pin (11).Type: GrantFiled: July 15, 2011Date of Patent: September 20, 2016Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Hiroyuki Maeyama, Hiromichi Yamamoto, Kousuke Katahira
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Publication number: 20160264156Abstract: A traveling bogie includes a steerable wheel, a bogie main body configured to support the steerable wheel, a guide apparatus pivotally supported by the bogie main body and turned by receiving a reaction force from a guide rail, a steering mechanism configured to apply a steering force to the steerable wheel using the reaction force received by the guide apparatus, and an assist mechanism configured to apply an auxiliary steering force for assisting with the steering force from the steering mechanism to the steerable wheel.Type: ApplicationFiled: October 22, 2014Publication date: September 15, 2016Inventors: Yukihide YANOBU, Hiroyuki KONO, Akihisa KAWAUCHI, Kousuke KATAHIRA, So TAMURA
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Publication number: 20160257315Abstract: This traveling bogie is provided with: steered wheels; a main body for supporting the steered wheels; a guide device turning when subjected to a reaction force from a guide rail; a steering mechanism for applying a steering force to the steered wheels utilizing the reaction force applied to the guide device; and an assist mechanism for applying an assist steering force to the steered wheels, the assist steering force assisting the steering force applied by the steering mechanism. The assist mechanism is provided with: a first operation arm pivoting together with the steered wheels in the direction in which the steered wheels are steered; a second operation arm rotating about a rotation axis relative to the main body in response to the turning of the guide device; and an elastically deformable section connected to the first operation arm and the second operation arm and elastically deformable.Type: ApplicationFiled: October 20, 2014Publication date: September 8, 2016Inventors: Yukihide YANOBU, Hiroyuki KONO, Akihisa KAWAUCHI, Kousuke KATAHIRA, So TAMURA
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Publication number: 20160251002Abstract: A cooling device provided with cooling fins which: is provided in a wheel of a running wheel which integrally rotates with a axle shaft and has a brake device positioned in the interior thereof; and produces, by rotating in both the forward and reverse directions of the wheel, airflow which flows through the brake device via ventilation holes passing from the inside to the outside of the wheel. Therein, the cooling fins produce an airflow which flows through a plurality of decorative holes serving as the ventilation holes and formed in the wheel along the circumference centered around the rotational axis of the axle shaft.Type: ApplicationFiled: July 23, 2014Publication date: September 1, 2016Inventors: Kousuke KATAHIRA, So TAMURA, Mitsuaki HOSHI
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Patent number: 9421988Abstract: This guide-rail track vehicle, which travels on a track, is provided with: a carbody disposed at the top of a vehicle; and a running device that supports the carbody from below, and has a guide frame to which at least a pair of guide wheels, which are guided by a guide rail disposed on the track, are attached. Moreover, the guide frame has: a pair of beam members that are capable of sliding in the width direction of the track, and to which the guide wheels are attached; a rotating part capable of rotating around a first axis in the direction of travel; and a transmission part that converts the rotation of the rotating part to motion in the width direction, and moves the guide wheels in a symmetrical fashion by synchronizing the pair of beam members. Thus, the guide-rail track vehicle has a running device that allows the distance between the guide wheels to be changed.Type: GrantFiled: February 21, 2013Date of Patent: August 23, 2016Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Hiroyuki Maeyama, So Tamura, Kousuke Katahira
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Publication number: 20160207548Abstract: This invention is equipped with: a steering shaft provided to an underframe of a carbody of a vehicle travelling on a traveling road surface of tracks; king pins provided as a pair to end sections of the steering shaft at both sides in the width direction; axle hubs swingably provided to the steering shaft via the king pins; tires mounted plurally to each of the axle hubs; guide wheels, which roll over guide rails provided to the tracks in the direction of extension of the tracks, and which are guided from the width direction of the tracks; a guide device part for supporting the guide wheels and the steering shaft; and a steering mechanism for causing the axle hubs to turn about the king pins in accordance with the displacement of the guide device part.Type: ApplicationFiled: September 30, 2014Publication date: July 21, 2016Inventors: Kousuke KATAHIRA, So TAMURA, Mitsuaki HOSHI, Masahisa MASUKAWA
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Publication number: 20160207422Abstract: A guide track (3A) includes a guide rail (31) having a guide groove (31a) opened upward in which the pair of guide wheels (23) inserted, and is formed with a pair of guide surfaces (31b) for causing each of the pair of guide wheels (23) to roll at both sides of the traveling course in a width direction; conductor rails (32) that are placed at both sides of the outside of the traveling course in the width direction with respect to the guide groove (31a) to perform contact electricity supply by pressing a power collection shoe (43) of a power collector (4) of the track-based vehicle; a first insulator (33) that is formed of an insulation material and supports the conductor rails (32) with respect to the guide rail; and insulation plates (34) serving as insulation materials that are provided at both sides of the conductor rail (32) in the width direction, and are provided in parallel to the conductor rail (32) and in parallel to a pressing direction of the power collection shoe (43) so as to prevent a short circType: ApplicationFiled: March 30, 2016Publication date: July 21, 2016Inventors: Toru KANEMORI, Hiromichi YAMAMOTO, Kousuke KATAHIRA
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Publication number: 20160201280Abstract: A snow removal device includes: a snow plow part that is mounted on a vehicle body traveling along a track in front of running wheels in which the vehicle body travels such that a lower end is separated from each of runways of the track with which the running wheels contact and that displaces forward snow of the running direction in a vehicle width direction as the vehicle body moves forward in the running direction; and a snow removal brush part mounted on the vehicle body in a rear of the snow plow part in the running direction and in front of the running wheels in the running direction so as to be disposed at a position at which a lower end thereof contacts the runway and at a position at which at least a portion thereof overlaps the snow plow part when viewed from the front.Type: ApplicationFiled: August 27, 2015Publication date: July 14, 2016Inventors: Kousuke KATAHIRA, So TAMURA
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Patent number: 9353485Abstract: A vehicle pick-up and delivery device includes: two mainline tracks including a pair of first guide portions which guide a pair of first guide wheels provided on a vehicle on an outer side of each of the first guide wheels; a pick-up and delivery travel path on which the vehicle is capable of traveling and which is provided between the two mainline tracks and is configured to pick up and deliver the vehicle between the two mainline tracks; a second guide portion which is provided inside the pick-up and delivery travel path and guides a second guide wheel disposed below the vehicle; and a switching unit which is provided on the mainline tracks and is capable of switching a direction of the vehicle between a direction along the mainline tracks and a direction along the pick-up and delivery travel path.Type: GrantFiled: August 23, 2012Date of Patent: May 31, 2016Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Yasuyuki Mukai, Toshiaki Asanoma, Yoshinobu Murakami, Hiroyuki Maeyama, Akihiro Kubo, Kousuke Katahira
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Patent number: 9346474Abstract: A travel device includes a bogie frame (11) configured to support an axle (5) to which a wheel (3) is attached, a suspension frame (15) disposed close to a center of a vehicle body (1) with respect to the bogie frame (11) and having a support section (16) extending downward from the vehicle body (1), and an upper link (14a) and a lower link (14b) configured to connect the support section (16) and the bogie frame (11) to relatively move the bogie frame (11) with respect to the support section (16) in a vertical direction. In the lower link (14b), a position (11b) at which the lower link (14b) and the bogie frame (11) are connected by pin coupling is disposed lower than a position (15b) at which the lower link (14b) and the support section (16) are connected by pin coupling.Type: GrantFiled: September 7, 2011Date of Patent: May 24, 2016Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Hiroyuki Maeyama, Hiromichi Yamamoto, Kousuke Katahira
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Patent number: 9333798Abstract: A vehicle wheel, which is divided in an axial direction of a tire into two pieces which are an in-side half wheel and an out-side half wheel that are connected to each other and fixed to an axle hub, includes wheel coupling bolts joining a mating surface of the in-side half wheel and a mating surface of the out-side half wheel together, and hub bolts joining the out-side half wheel and the axle hub together. The wheel coupling bolts and the hub bolts are respectively screwed into nuts from the out-side half wheel side.Type: GrantFiled: July 15, 2011Date of Patent: May 10, 2016Assignee: Mitsubishi Heavy Industries, Ltd.Inventors: Hiroyuki Maeyama, Hiromichi Yamamoto, Kousuke Katahira
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Patent number: 9321372Abstract: A guide track (3A) includes a guide rail (31) having a guide groove (31a) opened upward in which the pair of guide wheels (23) inserted, and is formed with a pair of guide surfaces (31b) for causing each of the pair of guide wheels (23) to roll at both sides of the traveling course in a width direction; conductor rails (32) that are placed at both sides of the outside of the traveling course in the width direction with respect to the guide groove (31a) to perform contact electricity supply by pressing a power collection shoe (43) of a power collector (4) of the track-based vehicle; a first insulator (33) that is formed of an insulation material and supports the conductor rails (32) with respect to the guide rail; and insulation plates (34) serving as insulation materials that are provided at both sides of the conductor rail (32) in the width direction, and are provided in parallel to the conductor rail (32) and in parallel to a pressing direction of the power collection shoe (43) so as to prevent a short circType: GrantFiled: September 2, 2011Date of Patent: April 26, 2016Assignee: Mitsubishi Heavy Industries, Ltd.Inventors: Toru Kanemori, Hiromichi Yamamoto, Kousuke Katahira
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Patent number: 9302680Abstract: A transportation system includes a vehicle, a track having a traveling road surface on which the vehicle travels and guide parts which extend to both sides in a width direction of the traveling road surface. The track has a first section in which the vehicle is guided by the guide parts and travels on the track, and a second section in which the vehicle travels on the track by steering of the vehicle.Type: GrantFiled: November 9, 2012Date of Patent: April 5, 2016Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Hiroyuki Maeyama, Toru Kanemori, Mitsuaki Hoshi, Takahiro Suzuki, Masahisa Masukawa, Toshiaki Asanoma, Kousuke Katahira
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Publication number: 20160069033Abstract: A snow removal device includes: a brush rotary shaft that is mounted on a vehicle body traveling along a track and in front of a running wheel of the vehicle body and that is rotated in a direction opposite to the rotation direction of the running wheel; a travel brush part that protrudes radially outward from an outer circumferential surface of the brush rotary shaft and comes into contact with a runway of the track with which the running wheel is in contact; and a brush pressing part that presses the travel brush part toward the runway. The travel brush part is provided in a spiral region formed on the outer circumferential surface of the brush rotary shaft in a spiral manner extending toward an axis direction in which the axis extends as going toward a circumferential direction of the brush rotary shaft.Type: ApplicationFiled: August 28, 2015Publication date: March 10, 2016Inventors: Kousuke KATAHIRA, So TAMURA
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Publication number: 20160060835Abstract: A snow removal brush includes a brush rotary shaft that is disposed on each of opposite lateral surfaces of a vehicle body traveling along a track and in a vehicle width direction of the vehicle body and is supported by the vehicle body to be rotatable about an axis extending in a direction intersecting a track surface of the track, and a brush part that protrudes from an outer circumferential surface of the brush rotary shaft to a radial outer side. The brush part is formed to come into contact with trolley wires provided for the track and supplying electricity to the vehicle body.Type: ApplicationFiled: August 18, 2015Publication date: March 3, 2016Inventors: Kousuke KATAHIRA, So TAMURA
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Patent number: 9242507Abstract: A guide rail type vehicle is provided with a guide wheel that comes into rolling contact with a guide rail, a switching wheel that is comes into rolling contact with a switching rail installed at a switching location of the guide rail, a wheel axle in which the guide wheel is connected to the top end and the switching wheel is connected to the bottom end, a support receiver of which the height dimension is set to be smaller than the corresponding length dimension of the wheel axle and which supports the wheel axle, and adjustment device which adjusts the sizes of a gap of the guide wheel side and a gap of the switching wheel side, which are accessed from a direction orthogonal to the axial direction of the wheel axle, and are therefore capable of adjusting the height of the guide wheel and the switching wheel.Type: GrantFiled: July 25, 2011Date of Patent: January 26, 2016Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Hiroyuki Maeyama, Hiromichi Yamamoto, Kousuke Katahira
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Publication number: 20150353106Abstract: This guide-rail track vehicle, which travels on a track, is provided with: a carbody disposed at the top of a vehicle; and a running device that supports the carbody from below, and has a guide frame to which at least a pair of guide wheels, which are guided by a guide rail disposed on the track, are attached. Moreover, the guide frame has: a pair of beam members that are capable of sliding in the width direction of the track, and to which the guide wheels are attached; a rotating part capable of rotating around a first axis in the direction of travel; and a transmission part that converts the rotation of the rotating part to motion in the width direction, and moves the guide wheels in a symmetrical fashion by synchronizing the pair of beam members. Thus, the guide-rail track vehicle has a running device that allows the distance between the guide wheels to be changed.Type: ApplicationFiled: February 21, 2013Publication date: December 10, 2015Inventors: Hiroyuki MAEYAMA, So TAMURA, Kousuke KATAHIRA
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Publication number: 20150353104Abstract: This track-guided vehicle is provided with a car body, and a bogie that supports the car body from the bottom, and has a frame capable of pivoting around an axis perpendicular to a track. The bogie is provided with: a car body tilting part that tilts the car body to the left and right in the direction of travel; a detection part that detects the amount of pivot of the frame; and a tilt control part that allows the car body to be tilted by the car body tilting part on the basis of the amount of pivot detected by the detection part.Type: ApplicationFiled: February 21, 2013Publication date: December 10, 2015Inventors: Hiroyuki MAEYAMA, So TAMURA, Kousuke KATAHIRA
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Publication number: 20150314796Abstract: A vehicle includes running wheels traveling on traveling road surfaces of tracks; a pair of position detection parts disposed at an interval in a width direction that output signals by detecting a distance from measured objects; a control unit controlling the amount of steering of the running wheels according to the signals from the position detection parts; and a steering mechanism steering the running wheels via the control unit. Each of the position detection parts outputs a signal having characteristics such that the output increases as the distance from the measured objects increases while an output change ratio is decreased in a range wherein the distance from the measured objects is not less than a predetermined value, and is configured such that, when the distance between one position detection part and the measured object is decreased, the distance between the other position detection part and the measured object is increased.Type: ApplicationFiled: January 29, 2013Publication date: November 5, 2015Inventors: Hiroyuki MAEYAMA, Takahiro SUZUKI, Kousuke KATAHIRA