Railway rolling stock – Special car bodies – Dumping
Reexamination Certificate
2011-08-23
2011-08-23
Morano, S. Joseph (Department: 3617)
Railway rolling stock
Special car bodies
Dumping
C105S174000, C105S152000, C105S149000
Reexamination Certificate
active
08001907
ABSTRACT:
An easer rail is mated with the uncut web of a fixed running rail to form a more rigid thermal expansion joint between the fixed rail and a moveable rail. The easer rail has an extension that protrudes into the uncut web the fixed rail. The easer rail extension is machined to be complementary in shape to the uncut web and fits tightly against the flange, the underside of the head, and the base of the uncut web of the fixed rail. Bolt holes are provided through the extension and the easer rail, its extension, and the fixed rail to form multiple bolt joints. The bolted extension not only lengthens the easer rail but locks it in place between the head and base of the fixed rail to provide additional rigidity.
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Miller Matthias & Hull
Morano S. Joseph
Progress Rail Services Corp
Smith Jason C
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