Power transfer arrangement including coupling clutches for an agricultural vehicle

A header for an agricultural vehicle, the header comprising:

• a header frame;
• a plurality of row units carried by the header frame, each of the row units comprising a pair of deck plates, at least one of the deck plates being movable to adjust a size of a gap therebetween;
• a plurality of choppers, each of the choppers being associated with at least one respective row unit and comprising a blade;
• a power source;
• and
• a power transfer arrangement comprising:
• a first drive shaft coupled to the power source;
• a first slip clutch assembly comprising:
• a drive hub;
• a clutch housing coupled to the drive hub;
• and
• a clutch hub disposed partially within the clutch housing and comprising a coupling that extends outside of the clutch housing and is coupled to the first drive shaft, the clutch hub enabling rotation of the clutch housing and the coupled drive hub;
• a second drive shaft coupled to the clutch hub;
• a gearbox coupled to the drive hub and one of the row units or one of the choppers;
• and
• a second slip clutch assembly comprising:
• a second drive hub;
• a second clutch housing coupled to the second drive hub;
• and
• a second clutch hub disposed partially within the second clutch housing and comprising a second coupling that extends outside of the second clutch housing and is coupled to the second drive shaft.

An agricultural vehicle, comprising:

• a chassis;
• a feeder housing carried by the chassis;
• and
• a header coupled to the feeder housing, the header comprising:
• a header frame;
• a plurality of row units carried by the header frame, each of the row units comprising a pair of deck plates, at least one of the deck plates being movable to adjust a size of a gap therebetween;
• a plurality of choppers, each of the choppers being associated with at least one respective row unit and comprising a blade;
• a power source;
• and
• a power transfer arrangement comprising:
• a first drive shaft coupled to the power source;
• a first slip clutch assembly comprising:
• a drive hub;
• a clutch housing coupled to the drive hub;
• and
• a clutch hub disposed partially within the clutch housing and comprising a coupling that extends outside of the clutch housing and is coupled to the first drive shaft, the clutch hub enabling rotation of the clutch housing and the coupled drive hub;
• a second drive shaft coupled to the clutch hub;
• a gearbox coupled to the drive hub and one of the row units or one of the choppers;
• and
• a second slip clutch assembly comprising:
• a second drive hub;
• a second clutch housing coupled to the second drive hub;
• and
• a second clutch hub disposed partially within the second clutch housing and comprising a second coupling that extends outside of the second clutch housing and is coupled to the second drive shaft.