Crossing frog with a moving point

Frog for switches

Method and system for opening and securing a railroad frog

Movable point for a crossing frog for railway apparatus of very

Process for producing a crossing frog with a moving point

Rail switch

Railroad crossing apparatus having improved rail connection...

Railroad frog assembly with latch holdback

Railroad frog assembly with multi-position holdback

Railroad frog having movable wing rails

Railroad spring wing frog with hold-open and shock dampening...

Railway frog system

Railway switch comprising a frog having a movable main point and

Railway switch for Vignoles rails

Railway switch for vignoles rails

Reversing device for movable parts of a railway switch

Reversing device for swivelable rails or movable frogs within th

Seat for the movable point in a cradle of a crossing frog incorp