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WORKPIECE-CONTACTING PROBE FOR FASTENER-DRIVING TOOL FOR FASTENING DIMPLED MEMBRANES TO FOUNDATION WALLS VIA FASTENERS AND POLYMERIC PLUGS
WORKPIECE-CONTACTING PROBE FOR FASTENER-DRIVING TOOL FOR FASTENING DIMPLED MEMBRANES TO FOUNDATION WALLS VIA FASTENERS AND POLYMERIC PLUGS
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机译:紧固件驱动工具的工件接触探针,用于通过紧固件和聚合物塞将凹陷的薄膜粘合到基础墙
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摘要
A combustion-powered, fastener-driving tool useful to fasten a dimpled membrane to a foundation wall, via a fastener and a polymeric plug, is arranged to drive a fastener from a nosepiece, through the plug and the membrane, into th e wall. An actuating member mounted movably on the tool is movable thereon between an extended, tool-disabling position and a retracted, tool-enabling posi tion. A workpiece-contacting probe is mounted to the actuating member so as to be conjointly movable with the actuating member. The probe includes a plug-holding member adapted to hold the plug as the fastener is being driven, having a tubula r wall defining a recess adapted to receive the plug, and having two pointed eleme nts in diametric opposition to each other, each having a point projecting inwardly f rom the tubular wall so as to press against the plug received in the recess. The workpiece-contacting probe includes a mounting bracket mounted to the actuating member. In one embodiment, the plug-holding member is fixed to the mounting bracket. In another embodiment, in which the workpiece-contacting probe include s a tubular body fixed to the mounting bracket with a pair of permanent magnets positioned at opposite sides of the tubular body, the plug-holding member is mounted removably to the tubular body and is held magnetically. The magnets are adapted to hold a steel washer, which is made of a magnetizable steel, when the plug-holding member is removed.
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