| 摘要 |
A miter frame for a circular saw that includes a molded plastic frame including a box having external dimension of about seven inches wide, six inches high and twenty-one inches long along a long side and about fifteen inches long along the short side; the interior dimensions of the box being approximately two and one-quarter inches deep on both sides and six inches wide; each side of the box is provided with a first saw blade guide oriented at ninety degrees with respect to the longer and the shorter sides and a second saw blade guide oriented at an angle "A" of forty-five degrees with respect to the longer and the shorter sides; use of two sides allows trim to be cut while the box is positioned on the ground; a square end of the box is provided with a forty-five degree undercut guide so that the saw blade may be tilted at a forty-five degree angle to allow ninety degree cut trim to be provided with a forty-five degree face forming ninety degree corners with two pieces of trim.
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