主权项 |
1. An apparatus, comprising:
a plurality of slidably connected sections, the plurality of sections forming a structure having a first open end, a second open end, and a channel connecting the first open end and second open end, the apparatus configured for being connected to a drive mechanism, a first section included in the plurality of sections is configured for being at least substantially received by a second section included in the plurality of sections, the first section configured for telescoping out from the second section when a first force is applied to the apparatus via the drive mechanism, the first section configured for contracting into the second section when a second force is applied to the apparatus via the drive mechanism, wherein the apparatus is configured for receiving debris via the first open end, allowing passage of debris via the channel from the first open end to the second open end, and allowing debris to exit the apparatus via the second open end. |