Importance

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Abstract

A drill grinder includes a feed means in which a sleeve, a first cam, a second cam, and a second casing are engaged in sequence, the sleeve having a disk which has two diametrically opposite formed plane portions and two first wheels rotatably engaged thereto for rolling on the first cam which is equipped with two second wheels for rolling on the second cam and the first cam can only longitudinally be moved in the first casing, the second cam having a ratchet wheel disposed thereto, both of the second cam and the ratchet wheel are mounted to a tubular portion of the second casing in which a ring-type gear engaged for a belt connected, the first casing pivotally engaged to a base by a certain angle corresponding to an axis of the first casing, a start means having a fork to actuate the ratchet wheel and an inspecting means having a probe to contact the disk and a grinding wheel means having a grinding wheel which has a longitudinal axis intersecting the axis of the first casing at an angle, such that the sleeve to which a drill is engaged is rotated by the belt and moved according to the configurations of the two cams so as to be ground by the grinding wheel.

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First Claim