Yoke for a railway draft gear and method of making

Details Yoke for a railway draft gear and method of making Yoke for a railway draft gear and method of making

2011-04-19

2011-04-19

Morano, S. Joseph (Department: 3617)

Railway draft appliances

Cushioned

Drawbars

Reexamination Certificate

active

07926672

ABSTRACT:
Yokes utilized in railway coupling apparatus are designed according to the invention to have improved stress profiles and increased service life. Investment casting techniques used to make the yokes and other components of the coupling apparatus yield improved surface finishes and tighter dimensional tolerances of the parts without requiring hammering, coating or other post-casting treatment.

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AAR Standard S-143, revised Jul. 2003.
AAR Standard S-149, revised Jul. 2003.

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