Nail with non-circular head

Details Nail with non-circular head Nail with non-circular head

1994-02-25

1995-03-07

Wilson, Neill R.

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Impact driven fastener, e.g., nail, spike, tack, etc.

Plural attached fasteners

411923, 206345, F16B 1508, B65D 8524

Patent

active

053951972

ABSTRACT:
A nail for use in a nailing strip, having a non-circular head defined by at least two dissimilar convex curved shapes, the nail having; a nail shank with a point at one end, shank; a first nail head portion at the other end of the shank, lying substantially in alignment with the shank axis, and extending outwardly therefrom on either side of the shank, a second nail head portion formed integrally with the first nail head portion, the second nail head portion being substantially offset relative to the shank, the first nail head portion defining a first generally convex curved shape, and having a central point coincident with an edge of the shank, so that the nails may lie in closely collated relation in a strip, and, the second nail head portion defining a generally convex curved shape extending away from the shank.

REFERENCES:
patent: 2909781 (1959-10-01), Ollig et al.
patent: 2940081 (1960-06-01), Juilfs
patent: 3031670 (1962-05-01), Sillars
patent: 3082425 (1963-03-01), Leslie
patent: 3152334 (1964-10-01), Lingle
patent: 3835991 (1974-09-01), Brecht
patent: 3861526 (1975-01-01), Leistner
patent: 3935945 (1976-02-01), Smith et al.
patent: 4250996 (1981-02-01), Bartz
patent: 5056976 (1991-10-01), Sygnator et al.
patent: 5060797 (1991-10-01), Sygnator
patent: 5154670 (1992-10-01), Sygnator et al.

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