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American Steel Foundries
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American Steel Foundries
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Application filed by American Steel FoundriesfiledCriticalAmerican Steel Foundries
Application grantedgrantedCritical
Publication of FR550700ApublicationCriticalpatent/FR550700A/fr
B61G3/00—Couplings comprising mating parts of similar shape or form which can be coupled without the use of any additional element or elements
B61G3/04—Couplings comprising mating parts of similar shape or form which can be coupled without the use of any additional element or elements with coupling head having a guard arm on one side and a knuckle with angularly-disposed nose and tail portions pivoted to the other side thereof, the nose of the knuckle being the coupling part, and means to lock the knuckle in coupling position, e.g. "A.A.R." or "Janney" type
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Engineering & Computer Science
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Mechanical Engineering
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FR550700D1922-04-271922-04-27Attelage automatique perfectionné pour wagons de chemins de fer
ExpiredFR550700A
(fr)