Patents by Inventor Ryoji Shimura
Ryoji Shimura 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: 10017970Abstract: A motor vehicle door latch device which comprises a body, a latch and a pawl. The pawl engages with the latch to prevent the latch from turning. The pawl comprises a core and a synthetic-resin portion. A releasing portion is disposed on a basic axial portion of a core. The releasing portion is formed together with the core or the synthetic-resin portion in order to reduce the associated manufacturing costs and weight of the device.Type: GrantFiled: September 3, 2013Date of Patent: July 10, 2018Assignee: Mitsui Kinzoku Act CorporationInventors: Ryoji Shimura, Hajime Yoneyama
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Patent number: 9518409Abstract: A vehicle door latch device which comprises a body having a holding portion, an engagement member pivotally mounted in the holding portion, a cover member closing an opening of the holding portion, and a shaft comprising a shank which passes through a bearing hole of the body and a shank hole of the engagement member, a retaining head and a smaller-diameter shank. The shank passes through the shank hole of the engagement member and the smaller-diameter shank is pressingly fitted in the shank hole of the cover member without swaging the end of the smaller-diameter shank thereby assembling the vehicle door latch device more efficiently.Type: GrantFiled: March 18, 2014Date of Patent: December 13, 2016Assignee: MITSUI KINZOKU ACT CORPORATIONInventors: Ryoji Shimura, Tomoharu Nagaoka
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Publication number: 20160319576Abstract: A vehicle door latch device has latch shaft and a back plate. The back plate has a rear-side second shaft hole forming portion that forms a rear-side second shaft hole, into which a second shaft portion, which is formed at another end portion of a pawl, is inserted rotatably, and a threaded hole forming portion, which is disposed near the rear side second shaft hole forming portion, and which forms a single threaded hole into which a single bolt is screwed. The back plate is shaped so as not to extend to portions corresponding to positions of other bolts.Type: ApplicationFiled: September 18, 2014Publication date: November 3, 2016Applicant: MITSUI KINZOKU ACT CORPORATIONInventors: Tomoharu NAGAOKA, Hideaki NOZAWA, Ryoji SHIMURA
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Publication number: 20150233158Abstract: A motor vehicle door latch device which comprises a body, a latch and a pawl. The pawl engages with the latch to prevent the latch from turning. The pawl comprises a core and a synthetic-resin portion. A releasing portion is disposed on a basic axial portion of a core. The releasing portion is formed together with the core or the synthetic-resin portion in order to reduce the associated manufacturing costs and weight of the device.Type: ApplicationFiled: September 3, 2013Publication date: August 20, 2015Inventors: Ryoji Shimura, Hajime Yoneyama
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Publication number: 20140319852Abstract: A vehicle door latch device which comprises a body having a holding portion, an engagement member pivotally mounted in the holding portion, a cover member closing an opening of the holding portion, and a shaft comprising a shank which passes through a bearing hole of the body and a shank hole of the engagement member, a retaining head and a smaller-diameter shank. The shank passes through the shank hole of the engagement member and the smaller-diameter shank is pressingly fitted in the shank hole of the cover member without swaging the end of the smaller-diameter shank thereby assembling the vehicle door latch device more efficiently.Type: ApplicationFiled: March 18, 2014Publication date: October 30, 2014Applicant: MITSUI KINZOKU ACT CORPORATIONInventors: Ryoji SHIMURA, Tomoharu NAGAOKA
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Patent number: 8616594Abstract: An action with a handle on a vehicle is transmitted to an operational unit in a door, and then to a locking-unlocking unit via a first action-transmitting member. The locking-unlocking unit allows the door latch to disengage from a striker of the vehicle via a second action-transmitting member. The door of the vehicle opens.Type: GrantFiled: July 13, 2010Date of Patent: December 31, 2013Assignee: Mitsui Kinzoku Act CorporationInventors: Ryoji Shimura, Hirotaka Nishijima, Hajime Yoneyama
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Patent number: 8322074Abstract: A power unit 16 includes an armature 38 rotated always in unison with a cable drum 17 and movable in an axial direction of a drum shaft 25, a flange 39 always connected to a motor 28 side, and a magnetic coil portion 37 bringing the armature 38 into abutment against the flange 39. The armature is disposed adjacent to a side of the drum rim body 23 of the cable drum 17, the magnetic coil portion 37 is disposed on the other side of the armature 38, and the flange 39 is disposed between the magnetic coil portion 37 and the armature 38.Type: GrantFiled: August 29, 2006Date of Patent: December 4, 2012Assignee: Mitsui Kinzoku Act CorporationInventors: Shinichiro Kita, Naoki Hanaki, Ryoji Shimura
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Patent number: 8240723Abstract: A door latch apparatus for a vehicle includes: a base member fixed in a door by a plurality of bolts; an engagement mechanism supported by the base member, and arranged to be engaged with a striker of a vehicle body; and an outside lever pivotably supported by the base member, and connected through an operating force transmitting member to an outside handle provided to an outer door panel of the door, the outside lever being pivoted in accordance with an operation of the outside handle so as to release the engagement between the engagement mechanism and the striker, the outside lever including a connection portion connected with the operating force transmitting member, and disposed in a region inside of the outer edge of the base member in the lateral direction of the vehicle.Type: GrantFiled: June 4, 2008Date of Patent: August 14, 2012Assignee: Mitsui Kinzoku Act CorporationInventors: Masakazu Akahori, Ryoji Shimura
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Patent number: 8099905Abstract: A window regulator includes a carrier member to which a window panel is attached, a pair of sliding elements provided on the carrier member, and a positioning unit which relatively positions the pair of sliding elements in a state where the pair of sliding elements press the guide rail and the pair of sliding elements sandwich the guide rail.Type: GrantFiled: September 4, 2008Date of Patent: January 24, 2012Assignee: Mitsui Mining & Smelting Co., Ltd.Inventors: Kazuyuki Sasaki, Ryoji Shimura, Yasunori Nakajima
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Patent number: 8029030Abstract: A pair of restraining plates are pivotally installed in a housing of a lock unit. The restraining plates have respective cam portions that are arranged to put therebetween a striker when the restraining plates are pivoted in respective given directions. A biasing member is arranged to bias one of the restraining plates to pivot in the given direction thereof, and a transmission mechanism is arranged between the restraining plates to induce a synchronized pivoting of the two restraining plates. Thus, when one of the restraining plates is pivoted in the given direction thereof, the other of the restraining plates is pivoted in the given direction thereof. With this arrangement, once the striker is locked by the lock unit, at least one of the cam portions of the restraining plates is pressed against the striker thereby to suppress or at least minimize undesirable play of the lock unit relative to the striker.Type: GrantFiled: March 30, 2007Date of Patent: October 4, 2011Assignee: Mitsui Kinzoku Act CorporationInventors: Ryoji Shimura, Katsumi Nakagome
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Publication number: 20110012379Abstract: An action with a handle on a vehicle is transmitted to an operational unit in a door, and then to a locking-unlocking unit via a first action-transmitting member. The locking-unlocking unit allows the door latch to disengage from a striker of the vehicle via a second action-transmitting member. The door of the vehicle opens.Type: ApplicationFiled: July 13, 2010Publication date: January 20, 2011Applicant: MITSUI MINING AND SMELTING CO., LTD.Inventors: Ryoji SHIMURA, Hirotaka Nishijima, Hajime Yoneyama
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Patent number: 7774983Abstract: A door is pivotally secured to the back of a vehicle. A door opening device comprises a connecting rod including an upper end and a lower end. The upper end of the connecting rod is pivotally mounted to the door. The door opening device further comprises a guide member having a guide slit, a rack bar which slides up and down in the guide slit, a connecting shaft that pivotally connects the lower end of the connecting rod to an upper end of the rack bar and a driving unit for opening and closing the door via the connecting rod. The lower end of the connecting rod is pivotally coupled to the upper end of the rack bar.Type: GrantFiled: April 24, 2007Date of Patent: August 17, 2010Assignee: Mitsui Mining and Smelting Co., Ltd.Inventors: Ryoji Shimura, Hidemasa Hirakui
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Patent number: 7669367Abstract: A horizontal wall is formed with a notch groove. The notch groove is formed by cutting a tip end of the horizontal wall on the side of the vehicle body substantially along an approaching/separating direction between a vehicle body and a slide door. A connecting unit which turnably connects a plate and a roller holder of a connection assembly to each other is movably inserted into the notch groove. The plate and the horizontal wall of the bracket are fastened to each other in a state where they are superposed on each other.Type: GrantFiled: September 6, 2007Date of Patent: March 2, 2010Assignee: Mitsui Mining and Smelting Co., Ltd.Inventors: Ryoji Shimura, Hiroshi Morinaga
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Patent number: 7617633Abstract: A curved portion formed on a guide rail is sandwiched between an inscribed projection and a circumscribed projection. Therefore, a carrier plate can turn around a curving center of the inscribed projection. Even when the guide rail is twisted, an element to be guided and the carrier plate can turn in accordance with the twist, a prying force is reduced, and the carrier plate can vertically move smoothly.Type: GrantFiled: October 9, 2007Date of Patent: November 17, 2009Assignee: Mitsui Mining and Smelting Co., Ltd.Inventors: Ryoji Shimura, Toru Shibata
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Publication number: 20090173011Abstract: A power unit 16 includes an armature 38 rotated always in unison with a cable drum 17 and movable in an axial direction of a drum shaft 25, a flange 39 always connected to a motor 28 side, and a magnetic coil portion 37 bringing the armature 38 into abutment against the flange 39. The armature is disposed adjacent to a side of the drum rim body 23 of the cable drum 17, the magnetic coil portion 37 is disposed on the other side of the armature 38, and the flange 39 is disposed between the magnetic coil portion 37 and the armature 38.Type: ApplicationFiled: August 29, 2006Publication date: July 9, 2009Inventors: Shinichiro Kita, Naoki Hanaki, Ryoji Shimura
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Publication number: 20090064590Abstract: A window regulator includes a carrier member to which a window panel is attached, a pair of sliding elements provided on the carrier member, and a positioning unit which relatively positions the pair of sliding elements in a state where the pair of sliding elements press the guide rail and the pair of sliding elements sandwich the guide rail.Type: ApplicationFiled: September 4, 2008Publication date: March 12, 2009Inventors: Kazuyuki SASAKI, Ryoji Shimura, Yasunori Nakajima
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Publication number: 20090001734Abstract: A door latch apparatus for a vehicle includes: a base member fixed in a door by a plurality of bolts; an engagement mechanism supported by the base member, and arranged to be engaged with a striker of a vehicle body; and an outside lever pivotably supported by the base member, and connected through an operating force transmitting member to an outside handle provided to an outer door panel of the door, the outside lever being pivoted in accordance with an operation of the outside handle so as to release the engagement between the engagement mechanism and the striker, the outside lever including a connection portion connected with the operating force transmitting member, and disposed in a region inside of the outer edge of the base member in the lateral direction of the vehicle.Type: ApplicationFiled: June 4, 2008Publication date: January 1, 2009Inventors: Masakazu Akahori, Ryoji Shimura
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Publication number: 20080086949Abstract: A curved portion formed on a guide rail is sandwiched between an inscribed projection and a circumscribed projection. Therefore, a carrier plate can turn around a curving center of the inscribed projection. Even when the guide rail is twisted, an element to be guided and the carrier plate can turn in accordance with the twist, a prying force is reduced, and the carrier plate can vertically move smoothly.Type: ApplicationFiled: October 9, 2007Publication date: April 17, 2008Applicant: MITSUI MINING AND SMELTING CO., LTDInventors: Ryoji Shimura, Toru Shibata
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Publication number: 20080078124Abstract: A horizontal wall is formed with a notch groove. The notch groove is formed by cutting a tip end of the horizontal wall on the side of the vehicle body substantially along an approaching/separating direction between a vehicle body and a slide door. A connecting unit which turnably connects a plate and a roller holder of a connection assembly to each other is movably inserted into the notch groove. The plate and the horizontal wall of the bracket are fastened to each other in a state where they are superposed on each other.Type: ApplicationFiled: September 6, 2007Publication date: April 3, 2008Applicant: MITSUI MINING AND SMELTING CO., LTD.Inventors: Ryoji Shimura, Hiroshi Morinaga
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Publication number: 20080054151Abstract: A pair of restraining plates are pivotally installed in a housing of a lock unit. The restraining plates have respective cam portions that are arranged to put therebetween a striker when the restraining plates are pivoted in respective given directions. A biasing member is arranged to bias one of the restraining plates to pivot in the given direction thereof, and a transmission mechanism is arranged between the restraining plates to induce a synchronized pivoting of the two restraining plates. Thus, when one of the restraining plates is pivoted in the given direction thereof, the other of the restraining plates is pivoted in the given direction thereof. With this arrangement, once the striker is locked by the lock unit, at least one of the cam portions of the restraining plates is pressed against the striker thereby to suppress or at least minimize undesirable play of the lock unit relative to the striker.Type: ApplicationFiled: March 30, 2007Publication date: March 6, 2008Inventors: Ryoji Shimura, Katsumi Nakagome