Improved railroad spring frog

Details Improved railroad spring frog Improved railroad spring frog

E - Fixed Constructions

01

B

E01B 7/14 (2006.01) B61L 11/02 (2006.01)

Patent

CA 2167134

An improved railroad trackwork frog is provided with a relatively fixed rigid wing rail, a relatively movable spring wing rail, a base plate, and at least one roller outrigger and ramp plate assembly which is attached to the spring wing rail and to the base plate, and which functions to cause limited upwards vertical movement of the spring wing rail relative to the base plate when the spring wing rail is moved laterally relative to the rigid wing rail by the engaged wheel flange of a passing rail car.

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