Process for the preparation of New 7 - 3 - 5 - aza - phenyl - 3 - 6 - 7 - 1.4 - benzodiazepines and halogen - phenyl - 6 - 5 - aza - 1,2 - 1,4 - dihydro - 3 H - benzodiazepine

摘要

The crop-gathering unit of a self-leveling combine is connected to the combine feeder house for movement about either one of a pair of pivots positioned at opposite sides of the feeder house so that as the crop-gathering unit pivots with respect to the feeder house, the bottom edge of the crop discharge opening in the crop-gathering unit is never below the bottom edge of the crop-receiving opening in the feeder house.