Torsionally flexible railway truck frame
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United States of America Patent
Stats
-
Jul 21, 1981
Grant Date -
N/A
app pub date -
Jun 15, 1979
filing date -
Jun 15, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A swivel truck frame of high torsional flexibility for rail vehicles is provided comprising a pair of generally straight longitudinal beams running parallel to one another, said longitudinal beams connected to one another by parallel running crossbeams to define a rectangular frame, said crossbeams being welded to said longitudinal beams, said crossbeams being disposed under said longitudinal beams, the lower chords of said longitudinal beams being welded to the upper chords of said crossbeams, said longitudinal beams being further interconnected by at least one middle crossbeam disposed between said parallel running crossbeams.
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