Daze fasteners

Details Daze fasteners Daze fasteners

1983-05-17

1985-04-23

Holko, Thomas J.

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

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

Headed bolt or screw with threads and complementary nut

403 28, 403408, 411378, 411426, 411501, 411531, F16B 3300, F16B 3504

Patent

active

045126992

ABSTRACT:
A daze fastener system for connecting two or more structural elements wherein the structural elements and fastener parts have substantially different coefficient of thermal expansion physical property characteristics is employed in this invention. By providing frusto-conical abutting surfaces between the structural elements and fastener parts any differences in thermal expansion/contraction between the parts is translated to sliding motion and avoids deleterious thermal stresses in the connection. An essential feature for isotropic homogeneous material connections is that at least two sets of mating surfaces are required wherein each set of mating surfaces have line element extensions that pass through a common point.

REFERENCES:
patent: 624175 (1899-05-01), Chapman
patent: 3030850 (1962-04-01), Minor et al.
patent: 3107950 (1963-10-01), Kleven
patent: 3208331 (1965-09-01), Scholl
patent: 3239036 (1966-03-01), Scott
patent: 3304109 (1967-02-01), Schuster
patent: 3317228 (1967-05-01), Storch
patent: 3556570 (1971-01-01), Cosenza
patent: 4299018 (1981-11-01), Bickerstaff et al.
patent: 4394096 (1983-07-01), Stevens

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