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US 5,493,789 AGranted
Miter gauge calibrator
OwnerMark A. Duginskeinventor
Life of this patent
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OwnerMark A. Duginskeinventor
Estimating the term…
A miter gauge and saw blade calibrator is in the form of a flat plate with grooves defined in top and bottom surfaces at various angles. The grooves are sized to receive the bar of a miter gauge so that bar can be elevated above a table slot with its side extending above the slot abutting a side of the groove. The calibrator is slid along the bar toward the miter head until the miter head lays flat against one of the sides of the calibrator on both sides of the bar, to set the angle between the head and the bar equal to the angle between the groove and the corresponding side of the calibrator. Fine angle calibration bars can also be provided between the calibrator and the miter head so as to set smaller or unusual angle increments. In addition, the perimetral edges of the calibrator form different angles so that one edge can be placed against the table top surface of a table saw or other tool and another edge against the blade to accurately set the angle of the blade. Fine angle calibration bars can also be used for this purpose.
A miter gauge calibrator comprising a flat plate having a front surface, a back surface and straight perimetral sides, and at least one straight groove formed in one of said surfaces and extending from one of said sides to another, said groove being of a width to receive therein a miter bar of a miter gauge and said groove extending at a certain angle relative to said sides, so that said miter bar can be received in said groove with one of said sides abutting against a miter head to set an angle of said miter bar relative to said miter head.
A method of using a miter gauge calibrator to set the angle of a miter gauge head relative to a miter gauge bar, said method comprising the steps of;
A miter gauge calibrator kit comprising a flat plate having a front surface, a back surface and straight perimetral sides, and at least one straight groove formed in one of said surfaces and extending from one of said sides to another, said groove being of a width to receive therein a miter bar of a miter gauge and said groove extending at a certain angle relative to said sides, so that said miter bar can be received in said groove with one of said sides abutting against a miter head to set an angle of said miter bar relative to said miter head and one or more calibration bars, each said bar having a groove in one surface for receiving said miter bar and angled sides at opposite ends of said groove.
Dependencies are inferred from the claim text.