Importance

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Abstract

A planing machine includes a base with a plurality of upstanding posts extending upward therefrom, an upper carriage mounted movably on the upstanding posts and slidable along the posts to move upward or downward, and a pair of screw rods extending upward from two sides of the base, respectively, and passing through the upper carriage. A rotating rod is mounted on the upper carriage and extends transversely between the screw rods. A worm drive mechanism, is connected to the rotating rod, the screw rods and the upper carriage to move the upper carriage when the rotating rod is rotated. A tube is disposed movably around the rotating rod. Two movable clamp members are mounted on two ends of the tube for abutting against at least two posts extending respectively at two sides of the upper carriage when placed in a clamping position. The tube can be actuated to move longitudinally along the rotating rod so as to move the movable clamp members to and away from the clamping position.

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First Claim