| 摘要 |
<p>A surface working apparatus includes a surface working head arrangement having a frame member and a plurality of surface working members arranged to depend therefrom in the direction of the surface to be worked, each of the plurality of surface working members being mounted resiliently relative to the frame member by one of a plurality of respective resilient mounting arrangements having a resilient member; and a surface working device with a support plate from which a surface working element is to depend from a lower surface thereof, the support plate includes an upper surface which has a central region with a recess provided for the receipt of a drive member for rotating the device, the recess including a formation for receiving a resilient member for engagement by the drive member.</p> |
