Coupler pattern for a railway vehicle

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

1977-07-13

1978-11-07

Spicer, Jr., Robert L.

Metal founding

Means to shape a forming surface

Pattern

164368, B22C 700, B22C 922

Patent

active

041240570

ABSTRACT:
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.

REFERENCES:
patent: 445812 (1891-02-01), Kuhn
patent: 1028601 (1912-06-01), Pipher
patent: 3138835 (1964-06-01), Van Patten
patent: 3830285 (1974-08-01), Schrader, Jr.
patent: 4044815 (1977-08-01), Smashey et al.

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