Abstract: 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:
Grant
Filed:
January 31, 2011
Date of Patent:
July 16, 2013
Assignees:
Central Japan Railway Company, Yamato Trackwork System Co., Ltd.
Abstract: 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:
Grant
Filed:
January 31, 2011
Date of Patent:
November 6, 2012
Assignees:
Central Japan Railway Company, Yamato Trackwork System Co., Ltd.
Abstract: 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:
Grant
Filed:
May 11, 2006
Date of Patent:
February 22, 2011
Assignees:
Central Japan Railway Company, Yamato Trackwork System Co., Ltd.
Abstract: 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:
Application
Filed:
May 11, 2006
Publication date:
August 13, 2009
Applicants:
CENTRAL JAPAN RAILWAY COMPANY, YAMATO TRACKWORK SYSTEM CO., LTD.