Patent ID: 11937550
Assignee: VERMEER MANUFACTURING COMPANY
Field: Other special machines (Mechanical engineering)
Classification: CPC A | IPC A

Claim 0:
1. A drum assembly for turning material, the drum assembly comprising:
a drum including a first end, a second end, a rotational axis extending through the first end and the second end about which the drum rotates, and a central plane perpendicular to the rotational axis, the drum comprising:
a first outer portion;
a second outer portion;
a central portion, the center plane extending through the central portion;
a first intermediary portion disposed between the first outer portion and the central portion; and
a second intermediary portion disposed between the second outer portion and the central portion;

a plurality of centering paddles connected to the drum and configured to move material toward the central plane;
a plurality of dispersal paddles connected to the drum and configured to move material away from the drum in a direction generally perpendicular to the rotational axis; and
a plurality of spreading paddles connected to the drum and configured to move material away from the central plane, wherein:
a majority of paddles in the first outer portion are centering paddles;
a majority of paddles in the second outer portion are centering paddles;
a majority of paddles in the center portion are spreading paddles;
a majority of paddles in the first intermediary portion are dispersal paddles; and
a majority of paddles in the second intermediary portion are dispersal paddles.