Patent ID: 11965561
Assignee: REVMAX PERFORMANCE, LLC
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F | IPC F

Claim 7:
8. An inner drum, comprising:
a coupling part having an external surface and an internal surface, wherein the internal surface contains splines;
an annular trough engaged to the external surface of the coupling part having a first side portion, a second side portion extending to an upper edge, and a bottom portion, the first side portion and the second side portion are spaced-apart and opposed, separated by the bottom portion;
a lip with an outer edge disposed adjacent the upper edge of the second side portion extending circumferentially around the annular trough containing an interior surface, the interior surface of the lip and the upper edge of the second side portion of the annular trough define a flat surface;
a circular wall extending from the outer edge of the lip contains a plurality of spaced-apart rib structures extending in an axial direction and containing a void between each rib structure, the circular wall contains a main body with a circular shape and an interior surface; and
a plurality of first slots within each rib structure for receiving a first snap ring, and a plurality of second slots within each rib structure for receiving a second snap ring.