Importance

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Abstract

A wood planing machine includes a base, two pairs of posts extending upward from the base, an upper carriage mounted movably on the posts, and a pair of screw rods each of which extends from the base through the upper carriage between each pair of posts. The upper carriage has two pairs of sockets disposed around the posts. Each socket has a tubular socket wall surrounding the corresponding post, and a window opening formed in the tubular socket wall. 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 so that the upper carriage moves along the screw rods and the posts when the rotating rod is rotated. A tube is disposed around the rotating rod, and two pairs of arms are mounted movably on the tube with the ends thereof extending to the posts, respectively. Two pairs of clamp plates are movably held by the arms and are movably received in the window openings of the tubular socket walls. The clamp plates are moved by the arms to a clamping position, wherein each of the clamp plates abuts against a corresponding one of the posts.

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First Claim