Elongated-member-driving apparatus – With interlock means
Patent
1994-06-16
1996-01-16
Smith, Scott A.
Elongated-member-driving apparatus
With interlock means
227113, 227119, 227120, 227142, B25C 104
Patent
active
054840945
ABSTRACT:
In a fastener-driving tool, which may be a pneumatically powered or combustion-powered pin-driving or nail-driving tool, and which comprises a nosepiece and is adapted to drive a fastener from the nosepiece, through a workpiece, into a substrate, a workpiece-contacting probe comprising two permanent magnets is mounted to the nosepiece for magnetically and releasably holding a washer plate made of magnetizable steel between the nosepiece and a workpiece. Thus, a fastener driven from the nosepiece is driven through a washer plate held by the workpiece-contacting probe, through a workpiece, into a substrate. The workpiece-contacting probe adapts the fastener-driving tool particularly but not exclusively for fastening metal lath to concrete walls, concrete blocks, or other building substrates.
REFERENCES:
patent: 3612378 (1971-10-01), Pabich et al.
patent: 3734377 (1973-05-01), Munn
patent: 4227637 (1980-10-01), Haytayan
patent: 4339065 (1982-07-01), Haytayan
patent: 4485952 (1984-12-01), Weis
patent: 5042142 (1991-08-01), Beach
patent: 5197646 (1993-03-01), Nikolich
Illinois Tool Works Inc.
Smith Scott A.
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