Railway draft appliances – Cushioned – Springs
Reexamination Certificate
2006-12-19
2006-12-19
Le, Mark T. (Department: 3617)
Railway draft appliances
Cushioned
Springs
C213S223000
Reexamination Certificate
active
07150368
ABSTRACT:
A rail car cushioning1 device is provided for connecting to a coupler. The rail car cushioning device includes an arrangement of a hydraulic cylinder, a piston assembly, and at least a valve assembly, which are configured with cooperating features to allow the device to be switchable between a locked mode and a cushioning mode.
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Le Mark T.
Schwartz Cooper Chartered
Sharma & Associates, Inc.
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