B - Operations – Transporting – 25 – C
Patent
B - Operations, Transporting
25
C
B25C 1/18 (2006.01) B25C 1/08 (2006.01) B25C 7/00 (2006.01)
Patent
CA 2255508
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 the wall. An actuating member mounted movably on the tool is movable thereon between an extended, tool-disabling position and a retracted, tool-enabling position. 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-holdingmember adapted to hold the plug as the fastener is being driven, having a tubular wall defining a recess adapted to receive the plug, and having two pointed elements in diametric opposition to each other, each having a point projecting inwardly from 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 includes 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 areadapted to hold a steel washer, which is made of a magnetizable steel, when the plug-holding member is removed.
Finlayson & Singlehurst
Illinois Tool Works Inc.
LandOfFree
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