E - Fixed Constructions – 02 – F
Patent
E - Fixed Constructions
02
F
262/34
E02F 5/06 (2006.01) E02F 3/10 (2006.01) E02F 3/14 (2006.01) E02F 3/08 (2006.01) E02F 5/02 (2006.01)
Patent
CA 1155878
039.138 TRENCHER DIGGING CHAIN SPROCKET DRIVE ABSTRACT OF THE DISCLOSURE A drive train assembly is provided for the digging chain drive sprocket and spoil dispersing auger of a hydrostatically operated trenching machine. The drive assembly is totally enclosed and includes a hydraulic motor, a rotatable drive sprocket-hub subassembly, a planetary gearbox, and a boom lift casting. The planetary gearbox and hydraulic motor are mounted on opposite ends of the boom lift casting, and they are drivingly interconnected by a drive shaft that passes through the casting. The planetary gearbox includes a housing for rotatably mounting the spoil dispersing auger such that the gearbox housing and auger act as a heat sink to dissipate heat generated by the driven gears within the gearbox. The digging chain drive sprocket subassembly is rotatably mounted on the boom lift casting adjacent the planetary gearbox, and it is connected to the gearbox whereby the digging chain drive sprocket and auger are driven in unison by the hydraulic motor.
387010
Case Corporation
Gowling Lafleur Henderson Llp
LandOfFree
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