Patent ID: 11858162
Assignee: FRITO-LAY NORTH AMERICA, INC.
Field: Machine tools (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. An impeller adapted to be coaxially mounted within a cutting head for rotation about an axis of the cutting head, the impeller comprising:
a lower plate having an upper surface, a lower surface, a central zone, and a perimeter;
at least a first exit slot located in the lower plate, intersecting the perimeter of the lower plate, and extending through the lower plate to define a passageway to enable foreign debris at the upper surface to exit the impeller through the passageway, wherein the at least first exit slot is defined by a protrusion that projects toward an opposing wall to define a neck that is open to the perimeter, and an arcuate wall located radially inward from the perimeter of the lower plate and joining the protrusion to the opposing wall, and wherein a portion of the opposing wall tapers outwardly from the upper surface to the lower surface of the lower plate; and,
at least one paddle located adjacent the opposing wall, opposed to the protrusion, and configured with the lower plate outside of the central zone.