Shock absorbing underframe structure for railroad car
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United States of America Patent
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-
Mar 6, 2001
Grant Date -
N/A
app pub date -
Dec 29, 1998
filing date -
Apr 17, 1998
priority date (Note) -
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Abstract
For relieving the impact force of a collision and insuring passenger safety by building an easily destructible structure into a railroad car underframe, two transversally extending cross or end sills 21, 23 are disposed in parallel and longitudinally spaced apart relation at the front end of a railroad car underframe 1 and energy absorbing sills 61 adapted to absorb shock energy by undergoing wall buckling when subjected to a shock load exceeding a predetermined value from the front of the car is disposed between the cross beams.
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