Railroad frog assembly with multi-position holdback

Details Railroad frog assembly with multi-position holdback Railroad frog assembly with multi-position holdback

E - Fixed Constructions

01

B

E01B 7/10 (2006.01) B61L 11/04 (2006.01) B61L 11/08 (2006.01) E01B 7/14 (2006.01)

Patent

CA 2299198

A railroad frog assembly is provided with a spring wing rail multi-position holdback subassembly that continuously retains the spring wing rail in each spring wing rail open position when activated by the wheels of a railcar traversing the frog assembly, and that automatically deactivates the multi-position holdback subassembly and releases the spring wing rail from retention in an open condition and for complete closing after the last railcar wheel has passed through the frog assembly.

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