| 摘要 |
A sanding block holds a continuous loop sanding belt tightly thereon. The block includes a hollow block body including a spring clamp having top and bottom racks of serrated indented teeth, which extend longitudinally therein, forming the top and bottom gear racks. Each of these gear racks engages reciprocal top and bottom gear racks with serrated indented teeth extending longitudinally along top and bottom forked members the spring clamp. The spring clamp is positioned within the hollow block body so that the continuous loop sanding belt can be tightly fit over the hollow block body.
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