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Hiroyuki Kurokawa, Nisshin-Shi JP

Hiroyuki Kurokawa, Nisshin-Shi JP

Patent application numberDescriptionPublished
20120098297VEHICLE SIDE PORTION JOINING PORTION STRUCTURE - There is provided a vehicle side portion joining portion structure capable of promoting a reduction in weight of a vehicle body and of effectively suppressing vibrations and deformations of a pillar, regardless of structures of the pillar and a rocker and the like.04-26-2012
20130193716VEHICLE BODY STRUCTURE - In a vehicle body structure, an inner panel of a frame member has an inner side flange joined to an outer side flange of a side outer panel. The inner side flange has a front side flange that extends outward in a vehicle width direction from a vehicle upper side end portion of an inner side wall portion and a rear side flange that extends inward in the vehicle width direction from the vehicle upper side end portion of the inner side wall portion. A cutout formed to open to the vehicle upper side in the inner side wall portion between the front side flange and the rear side flange in the vehicle width direction is positioned inside a closed cross-section formed by a front portion of a roof panel and a header panel as seen in a vehicle side view.08-01-2013
20130300155CENTER PILLAR UPPER PORTION JOINING STRUCTURE - A center pillar upper portion joining structure that may improve joining strength and rigidity between an upper portion of a center pillar and a roof side rail. A recess portion that is indented to the vehicle inner side is formed in a roof side rail outer panel at a joining portion with a center pillar. An upper portion extended portion that closes off the recess portion is provided at an upper portion oft a center pillar reinforcement, and an upper end portion of the upper portion extended portion is joined to the roof side rail outer panel. In a vehicle rear elevation view, an upper face of the recess portion is provided upward in the vehicle relative to a centroid of a cross section of the roof side rail.11-14-2013
20140077529VEHICLE BODY SKELETON STRUCTURE - A skeleton body comprises a rocker rear, a rear pillar, and a rear wheel house which are joined together. An inner corner portion which forms a rocker reinforcement is formed on the inner side of a bent portion located near the joint portion. A bulging portion having a three-dimensional curved surface shape bulging in a convex shape is formed at the inner corner portion. The rocker reinforcement is formed in such a manner that an upper wall portion, an upper end flange portion, and a rear end standing wall portion are formed on the inner side of the bent portion so as to be directed in three directions and so as to continue to the bulging portion at a position at which the upper wall portion, the upper end flange portion, and the rear end standing wall portion surround the bulging portion. Also, the upper end flange portion is joined to both a rocker inner panel and a pillar inner panel, and the rear end standing wall portion is joined to a wheel house outer panel.03-20-2014
20150197289FRAME STRUCTURE OF VEHICLE - A frame structure of a vehicle of the present invention has: a frame member that structures a frame of a vehicle; and a reinforcing member that is made of a fiber reinforced resin. The frame member is formed in a closed cross-sectional shape by a plurality of wall portions, and the frame member includes opening portions in at least one of the wall portion among the plurality of wall portions. The reinforcing member is disposed along the wall portions that have the opening portions, the reinforcing member includes engaging portions having inserted-through portions that are inserted-through the opening portions and lock portions whose surface area is larger than the opening portions, and the engaging portions are integrally formed by the inserted-through portions and the lock portions.07-16-2015
20150367797VEHICLE BODY STRUCTURE - A vehicle body structure includes: a side member that is disposed running along a vehicle front-rear direction; an upper member that, when viewed along the vehicle width direction, is disposed running along the vehicle front-rear direction at a vehicle upper side of the side member, and comprises a vehicle front-rear direction outside end portion that is positioned at a different position in a vehicle up-down direction from a position in the vehicle up-down direction of a vehicle front-rear direction outside end portion of the side member; a coupling member that couples the vehicle front-rear direction outside end portion of the upper member and the vehicle front-rear direction outside end portion of the side member; and a crash box that comprises a vehicle front-rear direction inside end portion that is joined to the coupling member.12-24-2015
20150367890VEHICLE BODY STRUCTURE - A vehicle body structure including a pair of left and right upper members that are disposed along a vehicle body longitudinal direction, a pair of left and right pillars that extend in a vehicle body vertical direction and that are disposed at vehicle width direction insides of the pair of left and right upper members, reinforcement that extends in a vehicle width direction, that is disposed between the pair of left and right pillars, and that supports a steering section, and a fastening portion where a vehicle width direction outside end portion of the reinforcement, the pillar, and the upper member are fastened together in the extension direction of the reinforcement.12-24-2015
20160023293PANEL JOINING STRUCTURE FOR A VEHICLE - A panel joining structure for a vehicle includes a first plate, a second plate, a braze and a surface area enlargement portion. The first plate is formed of a metal and a first joining portion is formed thereat. The second plate is formed of a different metal from the first plate and a second joining portion that is to be joined with the first joining portion is formed thereat. The braze is interposed between the first joining portion and the second joining portion. The braze joins the first joining portion with the second joining portion. The surface area enlargement portion is formed in a range that makes contact with the braze at, of the first joining portion and the second joining portion, a side at which the braze and a heterogenous metal are disposed. At least one of protrusions and recesses are formed at the surface area enlargement portion.01-28-2016

Patent applications by Hiroyuki Kurokawa, Nisshin-Shi JP

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