EP 0984103 A1 20000308 - Railroad spring frog assembly
Title (en)
Railroad spring frog assembly
Title (de)
Federherzstück für Eisenbahn
Title (fr)
Coeur de croisement à ressort pour voie ferrée
Publication
Application
Priority
EP 98630048 A 19980904
Abstract (en)
The railroad trackwork spring wing frog assembly is provided with multiple rail-closer subassemblies (70), preferably of the nested and counter-wound compression spring-type, that co-operate with the assembly spring wing rail (50), and that are laterally spaced-apart with respect to each other along the angled rail portion (58) of the frog assembly spring wing rail (50). <IMAGE>
IPC 1-7
IPC 8 full level
B61L 11/02 (2006.01); E01B 7/14 (2006.01)
CPC (source: EP)
B61L 11/02 (2013.01); E01B 7/14 (2013.01)
Citation (search report)
- [X] US 2036198 A 19360407 - COOPER GEORGE M, et al
- [DA] US 5544848 A 19960813 - KUHN STEPHEN R [US], et al
- [DA] US 4624428 A 19861125 - FRANK EARL E [US]
Designated contracting state (EPC)
AT DE ES FR GB IT
DOCDB simple family (publication)
DOCDB simple family (application)
EP 98630048 A 19980904