Nail with expansion region

Details Nail with expansion region Nail with expansion region

1995-03-09

1997-02-25

Meyers, Steven N.

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

Headed fastener element with nut, washer, securing means or cap

Penetrating pin securing means

411448, 411 22, F16B 1500

Patent

active

056054220

ABSTRACT:
A nail comprises a shank having an expansion portion with two curved expansion limbs defining a free space therebetween, a first straight shank portion and a second straight shank portion located correspondingly before and after the expansion region, the free space being formed as a longitudinal notch starting from the first straight shank portion and extending to the forward end, the notch having a notch base rising in direction toward the forward nail end, and a wedge arranged in the longitudinal notch and bearing against the notch base, the wedge having an upper edge slightly projecting beyond the shank and being displaceable in direction toward and along the rising notch base.

REFERENCES:
patent: 250187 (1881-11-01), Barnes
patent: 613797 (1898-11-01), Dodson
patent: 1021794 (1912-04-01), Pleister
patent: 1108483 (1914-08-01), Abramson
patent: 1214578 (1917-02-01), O'Bryan
patent: 1215259 (1917-02-01), Draper
patent: 1642006 (1927-09-01), Azzara
patent: 2114879 (1938-04-01), Hojnowski
patent: 2719452 (1955-10-01), Jones

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