Importance

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Abstract

A compact single-blow pneumatic nailing tool for installing metal joist hangers and metal plates in wood-constructed houses. A lower nosepiece reciprocates with respect to an upper nosepiece, and, as the lower nosepiece reciprocates, an attached nail magazine moves jointly therewith. A safety linkage connected to the magazine engages a trigger lever and permits the tool to be fired only when the lower nosepiece is pressed against the workpiece. The tool does not need a guide tip or elaborate safety to guide a nail into a hole in the workpiece, and does not have a vision-blocking safety mechanism on the tip of the nose. The tip of the nail sticks out of the nose of the tool, facilitating placement into a hole in the workpiece.

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First Claim