| 摘要 |
<p>A power driving waste line clean out tool which includes an elongated flexible coil spring (32) formed from an elongated spring wire (40) that is helically wound about a flexible water conduit (36). The uniquely designed water jet clean out head assembly (56) that is affixed to the end of the coil spring and is adapted to effectively break up and remove blockages formed in the sewer line being cleaned. A portion of the flexible coil spring is housed within a drum (20) having a conoidal wall through which the coil spring is provided with a feed mechanism and is fed and retracted actually of itself as the drum is rotated. The water jet head assembly of the tool includes a spray head (46) which can be securely connected to the coil spring, a cutter head assembly (66) which can be removably interconnected with the spray head and a video camera (90) for inspecting the pipe.</p> |
