Coupler pattern for a railway vehicle

Details Coupler pattern for a railway vehicle Coupler pattern for a railway vehicle

B - Operations, Transporting

22

C

22/144

B22C 9/22 (2006.01) B22C 7/00 (2006.01)

Patent

CA 1088272

IMPROVED COUPLER PATTERN FOR A RAILWAY VEHICLE ABSTRACT OF THE DISCLOSURE The drag pattern for a standard AAR coupler is modified to increase the thickness of the bottom wall of a coupler casting forwardly and rearwardly of a plane containing the horn line. The increased thickness is achieved by forming a substantially planar bottom wall surface for a distance of at least two inches at either side of a plane containing the horn line. Head and shank pattern parts are interchangeable and releasably secured onto a pattern plate for molding foundry sand in the drag portion of a foundry mold to produce E, E/F and F-types of coupler castings.

305717

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