| 摘要 |
<p>An orbital brush (100) for an orbital floor brush machine is provided according to an embodiment of the invention. The orbital brush (100) includes a brush frame (101) adapted to fit to the orbital floor brush machine, a first ring of first bristle tufts (104) of a first length (L1) and oriented at a first angle (theta1), and a second ring of second bristle tufts (105) of a second length (L2) and oriented at a second angle (theta2).</p> |
