Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Impact driven fastener – e.g. – nail – spike – tack – etc. – Having means to facilitate explosive driving
Patent
1993-04-16
1995-05-23
Saether, Flemming
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Impact driven fastener, e.g., nail, spike, tack, etc.
Having means to facilitate explosive driving
411480, F16B 1500
Patent
active
054175348
ABSTRACT:
A power actuated fastener assembly for use with a power actuated gun having a broad bearing surface and a raised portion for holding a stud and raising the pointed end above the bearing surface. The raised portion or cone shape forms a gap that widens from the point of the shank to the bearing surface. This creates a stable fastener assembly and raises the pointed end of the stud at or near the bearing surface of the fastener assembly. The fastener assembly can be driven in a single step with a power actuated gun without the necessity of partially driving the fastener assembly into the structure being fastened into a masonry surface. Additionally, the raised portion or cone shaped portion automatically strips away or breaks the plastic fluting commonly associated with such fasteners and is often undesirable compressed under the head of such fasteners. Thereby, a safer, more efficient power actuated fastener is obtained.
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Fattibene Arthur T.
Fattibene Paul A.
Saether Flemming
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