| 主权项 |
1. An improved drum for a constricting drum brake assembly, comprising:
(a) a drum disposed for rotary movement constructed to be received and engaged within a coupling component for providing a braking action, the drum having an annular outer and an annular inner surface with an annular ring extending radially outwardly from the inner surface; and (b) at least one annular drum insert disposed inside the drum on the annular inner surface of the drum, the at least one annular insert having a plurality of annular fins extending radially inwardly towards a center of the drum for transferring heat generated during the braking action. |
