摘要 |
<p>A mat board cutter including a cutter-carrying body having an end-to-end channel receiving a guide rail on which the body is slideably mounted. A plurality of slippery polymeric wear buttons project from a bottom surface of the body and bear against an upper surface of a clamp bar under the rail, and the amount of projection of at least one of the wear buttons is adjustable to provide close fitting accurate sliding relationship between the body and the guide rail.</p> |