Dipper door and dipper door trip assembly

A mining machine includes a boom, a handle coupled to the boom, a dipper coupled to the handle, and a dipper door pivotally coupled to the dipper. The mining shovel also includes a dipper door trip assembly including a trip motor coupled to the boom, a trip drum coupled to the handle, a linkage asse...

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Bibliographische Detailangaben
Hauptverfasser:	GROSS, Matthew L, NICOSON, Richard, COLWELL, Joseph J
Format:	Patent
Sprache:	eng
Schlagworte:	CRANES DREDGING FIXED CONSTRUCTIONS FOUNDATIONS HAULING HOISTING HYDRAULIC ENGINEERING LIFTING LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES PERFORMING OPERATIONS SOIL SHIFTING TRANSPORTING
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Beschreibung
Zusammenfassung:	A mining machine includes a boom, a handle coupled to the boom, a dipper coupled to the handle, and a dipper door pivotally coupled to the dipper. The mining shovel also includes a dipper door trip assembly including a trip motor coupled to the boom, a trip drum coupled to the handle, a linkage assembly coupled to the dipper door, a first actuation element extending directly from the trip motor to the trip drum, and a second actuation element extending directly from the trip drum to the linkage assembly 19482451_1 (GHMatters) P98156.AU.3