Patents by Inventor Katsunari Konishi
Katsunari Konishi 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: 8485452Abstract: The first object of the present invention is to provide a derailment prevention guard which can be easily shunted outside the range of the ballast tamping work, the rail grinding work and the rail maintenance work, and has no problem on safety.Type: GrantFiled: January 31, 2011Date of Patent: July 16, 2013Assignees: Central Japan Railway Company, Yamato Trackwork System Co., Ltd.Inventors: Masaki Seki, Takashi Kachi, Tomomi Funada, Takaaki Irie, Katsunari Konishi, Tetsuya Hanazaki
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Patent number: 8418932Abstract: A wheel guard apparatus capable of preventing a wheel from derailing and preventing a vehicle from seriously deviating from a track even if the wheel has derailed includes a fixed portion fixed to a railroad tie located between main line rails; a movable portion supported by a rotating shaft provided on the fixed portion and extending in a horizontal direction and configured to be rotatable around the rotating shaft toward a track center side; and a guard rail located at a position separated from the rotating shaft of the movable portion and held to extend in parallel with the main line rail. The guard rail includes an outer stopper portion configured to prevent the wheel from derailing toward an inner side of the main line rail and an inner stopper portion configured to prevent a derailed vehicle from deviating to an outer side of a track.Type: GrantFiled: November 28, 2008Date of Patent: April 16, 2013Assignees: Central Japan Railway Company, Yamato Trackwork System Co., Ltd.Inventors: Masaki Seki, Kazuhiro Miwa, Tomomi Funada, Hironari Muramatsu, Takaaki Irie, Yoshio Morikawa, Katsunari Konishi, Tetsuya Hanazaki
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Patent number: 8302877Abstract: The first object of the present invention is to provide a derailment prevention guard which can be easily shunted outside the range of the ballast tamping work, the rail grinding work and the rail maintenance work, and has no problem on safety.Type: GrantFiled: January 31, 2011Date of Patent: November 6, 2012Assignees: Central Japan Railway Company, Yamato Trackwork System Co., Ltd.Inventors: Masaki Seki, Takashi Kachi, Tomomi Funada, Takaaki Irie, Katsunari Konishi, Tetsuya Hanazaki
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Publication number: 20110121088Abstract: The first object of the present invention is to provide a derailment prevention guard which can be easily shunted outside the range of the ballast tamping work, the rail grinding work and the rail maintenance work, and has no problem on safety.Type: ApplicationFiled: January 31, 2011Publication date: May 26, 2011Applicants: CENTRAL JAPAN RAILWAY COMPANY, YAMATO TRACKWORK SYSTEM CO., LTD.Inventors: Masaki Seki, Takashi Kachi, Tomomi Funada, Takaaki Irie, Katsunari Konishi, Tetsuya Hanazaki
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Publication number: 20110121089Abstract: The first object of the present invention is to provide a derailment prevention guard which can be easily shunted outside the range of the ballast tamping work, the rail grinding work and the rail maintenance work, and has no problem on safety.Type: ApplicationFiled: January 31, 2011Publication date: May 26, 2011Applicants: CENTRAL JAPAN RAILWAY COMPANY, YAMATO TRACKWORK SYSTEM CO., LTDInventors: Masaki Seki, Takashi Kachi, Tomomi Funada, Takaaki Irie, Katsunari Konishi, Tetsuya Hanazaki
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Publication number: 20110049254Abstract: A wheel guard apparatus capable of preventing a wheel from derailing and preventing a vehicle from seriously deviating from a track even if the wheel has derailed includes a fixed portion fixed to a railroad tie located between main line rails; a movable portion supported by a rotating shaft provided on the fixed portion and extending in a horizontal direction and configured to be rotatable around the rotating shaft toward a track center side; and a guard rail located at a position separated from the rotating shaft of the movable portion and held to extend in parallel with the main line rail. The guard rail includes an outer stopper portion configured to prevent the wheel from derailing toward an inner side of the main line rail and an inner stopper portion configured to prevent a derailed vehicle from deviating to an outer side of a track.Type: ApplicationFiled: November 28, 2008Publication date: March 3, 2011Applicants: CENTRAL JAPAN RAILWAY COMPANY, YAMATO TRACKWORK SYSTEM CO., LTD.Inventors: Masaki Seki, Kazuhiro Miwa, Tomomi Funada, Hironari Muramatsu, Takaaki Irie, Yoshio Morikawa, Katsunari Konishi, Tetsuya Hanazaki
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Patent number: 7891577Abstract: A derailment prevention guard includes a guard member (3) installed within a gauge and a support member (6) fixed to a sleeper (4) or a concrete slab track. The guard member (3) engages a hold member (8) moveable around an axis (7) supported by the support member (6) as turning center between a main rail (1) and the inside of the gauge on the sleeper. The support member (6) engages the hold member (8) by bolt (12) through turning the hold member (8) toward the main rail (1) around the central axis (7) as turning center on the sleeper (4), and the guard member (3) can be shunted inward by turning the hold member (8) toward the inside of the gauge around the central axis (7) as turning center on the sleeper (4) after loosening the bolt (12).Type: GrantFiled: May 11, 2006Date of Patent: February 22, 2011Assignees: Central Japan Railway Company, Yamato Trackwork System Co., Ltd.Inventors: Masaki Seki, Takashi Kachi, Tomomi Funada, Takaaki Irie, Katsunari Konishi, Tetsuya Hanazaki
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Publication number: 20090200389Abstract: A derailment prevention guard includes a guard member (3) installed within a gauge and a support member (6) fixed to a sleeper (4) or a concrete slab track. The guard member (3) engages a hold member (8) which can turn moveable around an axis (7) supported by the support member (6) as turning center between a main rail (1) and the inside of the gauge on the sleeper. The support member (6) engages the hold member (8) by bolt (12) through turning the hold member (8) toward the main rail (1) around the central axis (7) as turning center on the sleeper (4), and the guard member (3) can be shunted inward by turning the hold member (8) toward the inside of the gauge around the central axis (7) as turning center on the sleeper (4) after loosening the bolt (12).Type: ApplicationFiled: May 11, 2006Publication date: August 13, 2009Applicants: CENTRAL JAPAN RAILWAY COMPANY, YAMATO TRACKWORK SYSTEM CO., LTD.Inventors: Masaki Seki, Takashi Kachi, Tomomi Funada, Takaaki Irie, Katsunari Konishi, Tetsuya Hanazaki