| 摘要 |
A railroad trackwork frog assembly is provided with a pair of wing rail components, with a centrally positioned body component comprising an integrally formed V-shaped point element having a pair of gauge lines, an integrally formed pair of wing elements having a pair of guard lines, and integrally formed flangeways separating said point element from said pair of wing elements, and with fasteners joining the body component wing elements to the wing rail components in a manner whereby the point element gauge lines are truly parallel to the wing element guard lines and are uniformly separated from said wing element guard lines uniformly by a distance of approximately 1 3/4-inches.
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