Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Impact driven fastener – e.g. – nail – spike – tack – etc. – Plural attached fasteners
Patent
1990-10-15
1991-10-15
Wilson, Neill R.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Impact driven fastener, e.g., nail, spike, tack, etc.
Plural attached fasteners
411485, 411923, 206344, F16B 1508
Patent
active
050569767
ABSTRACT:
A wire nail with a head having a circumferential edge conforming to a complete circle and disposed in a radially offset relationship with respect to a shank. A flat surface on defined upon the shank provides a datum indicating where the shank is located. A flat surface on the shank provides a datum for orienting such nail and similar nails. In some embodiments, a tangent plane defined by means of a lower or underside portion of the head is oriented at an acute angle (75.degree. to 85.degree.) relative to the shank. In a strip of such (collated) nails, the flat surfaces defined upon the shanks define an open channel, which coacts with a rib integrally provided upon one wall of a nail-feeding mechanism. In a nail-making machine, two gripping members defining an annular recess and a punch are used to form such a nail from a wire of a malleable metal.
REFERENCES:
patent: 3152334 (1964-10-01), Lingle
patent: 3358822 (1967-12-01), O'Connor
patent: 3861526 (1975-01-01), Leistner
patent: 3861527 (1975-01-01), Perkins
patent: 3935945 (1976-02-01), Smith et al.
patent: 4234991 (1980-11-01), Lange
Bellock Robert E.
Binder John
Sygnator Henry A.
Illinois Tool Works Inc.
Wilson Neill R.
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