FRICTION/ELASTOMERIC DRAFT GEAR

A friction/elastomeric draft gear having a housing, a spring assembly arranged within the housing, and a friction clutch assembly having a wedge member and defining first sliding friction surface disposed at an angle theta relative to a longitudinal axis of the draft gear and a second friction surfa...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SALIS KEITH A, POKORSKI ROBERT J, WILT DONALD E, O'DONNELL WILLIAM P, GALINDO ROSIE, JURASEK KRIS C
Format:	Patent
Sprache:	eng
Schlagworte:	COUPLINGS DRAUGHT AND BUFFING APPLIANCES PERFORMING OPERATIONS RAILWAYS TRANSPORTING
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Beschreibung
Zusammenfassung:	A friction/elastomeric draft gear having a housing, a spring assembly arranged within the housing, and a friction clutch assembly having a wedge member and defining first sliding friction surface disposed at an angle theta relative to a longitudinal axis of the draft gear and a second friction surface disposed at an angle beta relative to a longitudinal axis of the draft gear. The spring assembly is designed in combination with the angles theta and beta of the first and second friction sliding surfaces relative to the longitudinal axis such that the draft gear consistently and repeatedly withstands between about 100 KJ and 130 KJ of energy imparted at less than three meganewtons over a range of travel of the wedge member in an inward axial direction relative to the draft gear housing not exceeding 120 mm.