Hollow sheet metal nail

Details Hollow sheet metal nail Hollow sheet metal nail

1976-01-12

1977-06-28

Britts, Ramon S.

85 31, E01B 912, F16B 1504

Patent

active

040318028

ABSTRACT:
A sheet metal nail of the type used to fasten a first or covering material to a lightweight base material in which a pair of interfitted channel shaped leg or shank members are pivotally connected to the nail head in a manner to spread outwardly into the base material when the nail is driven therein. The penetrating ends of the shank members are tapered to form cutting edges so that as the nail is driven, the penetrating ends of the shank members cut through the first material without tearing such material.

REFERENCES:
patent: 1944150 (1934-01-01), Brugge
patent: 3234841 (1966-02-01), Adams
patent: 3466967 (1969-09-01), Hallock
patent: 3538488 (1970-11-01), Damm et al.
patent: 3710672 (1973-01-01), Hallock
patent: 3812817 (1974-05-01), Hallock
patent: 3878756 (1975-04-01), Hallock

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