Improved spring wing rail roller holddown assembly

Details Improved spring wing rail roller holddown assembly Improved spring wing rail roller holddown assembly

E - Fixed Constructions

01

B

E01B 7/14 (2006.01)

Patent

CA 2263869

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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