Patent ID: 7937918
Filing Date: 2011-05-10
Classification: A01D

Abstract:
1. A corn head, comprising: a plurality of row units mounted in side-by-side spaced relationship across said corn head; each row unit including a plurality of driven stalk-engaging elements supported on a respective stalk-engaging element drive shaft; a first gear case supporting a first set of drive shafts for respectively driving at least some of said stalk-engaging elements of one of said row units and containing a first gear train including an input gear coupled for driving respective output gears coupled to said first set of drive shafts; a second gear case supporting one of either a further drive shaft supporting a respective further stalk-engaging element of said one of said row units, or with a respective second set of drive shafts for driving at least some of said stalk-engaging elements of another of said row units positioned adjacent said one of said row units, the second gear case containing a second gear train including a second input gear coupled for driving one of either said further drive shaft, or for driving a respective second set of output gears respectively associated with said second set of drive shafts; a main power supply shaft extending through said first and second gear cases; and a dual direction slip clutch having a hub mounted on said main power supply shaft between said first and second gear cases, and first and second output couplers having a torque-limited connection with said hub and being coupled to said input gears of said first and second gear boxes.