US Patent No: 4,279,202

Number of patents in Portfolio can not be more than 2000

Torsionally flexible railway truck frame

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Abstract

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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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Patent Owner(s)

Patent OwnerAddressTotal Patents
WEGMANN & CO. GMBHKASSEL29
WAGGONFABRIK TALBOT5100 AACHEN3

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dieling, Hans Felsberg-Rhunda, DE 1 3
Schindehutte, Manfred Calden, DE 4 69

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Patent Info (Count) # Cites Year
 
ALSTOM HOLDINGS (1)
6,220,177 Bogie for railway vehicle and process for manufacturing same 0 1999
 
BOMBARDIER CORPORATION, A CORP. OF IDAHO (1)
4,633,786 Flexible transom connected between side frames of a railway truck to provide equalization 0 1985
 
M.A.N. Maschinenfabrik Augsburg-Nurnberg Aktiengesellschaft (1)
4,665,835 Arrangement to increase roll stability of rail vehicles with air suspension 5 1985