| 摘要 |
A file guide for filing a depth gauge on a saw chain cutter having a cutting tooth with a cutting tip while the cutter is connected as a part of a continuous saw chain. The file guide is adapted to rest on the saw chain incorporating a plurality of cutters and includes an elongated base member having a slot to receive a portion of a depth gauge and at least one downward projection depending from said base member to engage with the cutting tooth to cause said base member to avoid contact with the cutting tip of the cutting tooth.
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