Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Impact driven fastener – e.g. – nail – spike – tack – etc. – Including integral locking means
Patent
1979-01-25
1981-09-15
Holko, Thomas J.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Impact driven fastener, e.g., nail, spike, tack, etc.
Including integral locking means
411349, 411477, 411480, E01B 912, F16B 1506
Patent
active
042890586
ABSTRACT:
A two-piece sheet metal nail (10) comprising a one-piece shank portion (12) and a one-piece head portion (14) which may be quickly and manually assembled without the requirement for specialized tools is provided. The shank portion (12) includes a pair of oppositely extending wing members (32 and 34) adapted to cooperate with a pair of tabs (46 and 48) provided on the head portion (14) to self-lockingly assemble the shank portion (12) to the head portion (14).
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patent: 3983779 (1976-10-01), Dimas
Eaton Corporation
Gordon H. D.
Holko Thomas J.
McCloskey R. J.
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