| 摘要 |
An apparatus to remove plugs. In a first embodiment, the apparatus is configured to remove a plug from a hole saw, and in a second embodiment, the apparatus is configured to remove a plug from a hole. The first apparatus includes a pivotable support frame for retaining and stabilizing a cleaning structure. The cleaning structure is arranged to fit within the cylinder of a hole saw and cause engagement with the plug until the plug is split sufficiently to cause its removal from the hole saw. The second apparatus includes a tube and a retractable plug engagement rod retainable in the tube. The tube and plug engagement rod are secured together when the plug engagement rod is extended from the tube. The end of the plug engagement rod is configured to enable its insertion into a plug. The second apparatus is withdrawn, extracting the plug in the process.
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