E - Fixed Constructions – 01 – B
Patent
E - Fixed Constructions
01
B
E01B 7/14 (2006.01) B61B 1/00 (2006.01) B61L 5/10 (2006.01)
Patent
CA 2339694
An improved railroad trackwork spring wing frog assembly is provided with a shock absorber and compression spring combination that is functionally connected to the assembly spring wing rail and to the assembly base plate, and that functions to generate a motion-retarding force in connection with closing movement of the spring wing rail.
Kuhn Stephen R.
Young Keith
Abc-Naco Inc.
Gowling Lafleur Henderson Llp
Meridian Rail Information Systems Corp.
LandOfFree
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