Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Impact driven fastener – e.g. – nail – spike – tack – etc. – Including integral locking means
Patent
1982-02-11
1984-07-17
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
411501, F16B 1504
Patent
active
044603010
ABSTRACT:
A rivet nail for forming a nailed joint to join parts together. The nail has a shank with a longitudinally-extending opening formed therein in the shape of a rhomb defined by two congruent triangles with an imaginary common base line. The widest portion of the opening is defined by the base line. The length of the opening is at least three times as long as the largest width of the shank, and the length of the shank between the end of the nail and the opening is at least one-fourth as long as the length of the opening.
REFERENCES:
patent: 831303 (1906-09-01), Scott
patent: 2356376 (1944-08-01), Brown, Jr.
patent: 2376936 (1945-05-01), Pfeffer
patent: 2502267 (1950-03-01), McPherson
patent: 2755453 (1956-07-01), Cloutier
patent: 2898964 (1959-08-01), Masters
patent: 3143915 (1964-08-01), Tendler
patent: 4017142 (1977-04-01), Clark et al.
"Framsteg Inom Forskning och Teknik 1983" (Advances Within Research and Technique 1983), p. 20-Royal Swedish Academy of Engineering Sciences.
Billing Lars
Holko Thomas J.
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