Railway rolling stock – Car framing and structure – Draft-sill framing
Reexamination Certificate
2006-07-04
2006-07-04
Le, Mark T. (Department: 3617)
Railway rolling stock
Car framing and structure
Draft-sill framing
C105S416000, C105S421000
Reexamination Certificate
active
07069864
ABSTRACT:
A transition member for use in a railway freight car is provided. The transition member provides connection between the dissimilar cross sections of the underbody and draft sill of the railway freight car and the center sill of the railway freight car. The transition member is usually a unitary cast steel structure and is of a generally rectangular or square cross section.
REFERENCES:
patent: 3973681 (1976-08-01), Martin et al.
patent: 5762003 (1998-06-01), Downes et al.
patent: 6398047 (2002-06-01), Ladendorf et al.
ASF-Keystone, Inc.
Brosius Edward J.
Le Mark T.
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