Spring wire fastener and method of using same

Details Spring wire fastener and method of using same Spring wire fastener and method of using same

1988-06-03

1989-08-22

Smith, Gary L.

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

Having separate expander means

Helical anchor

29446, 295251, 411107, 411173, 411182, 411340, 411508, F16B 1304

Patent

active

048591270

ABSTRACT:
A coiled spring wire fastener includes a first end for engaging with the head of a bolt, a midsection of a constant diameter and a second end portion of a conically, tapered shape. In an alternative embodiment, the coiled spring wire fastener includes an annular midsection for engaging a threaded portion of a bolt, a first annular end portion connected to the annular midsection and having a smaller internal diameter than that of the midsection, and a conically tapered second end portion.

REFERENCES:
patent: 1264677 (1918-04-01), Murrell
patent: 1370319 (1921-03-01), Kennedy
patent: 1468074 (1923-09-01), Peirce
patent: 2201930 (1940-05-01), Stark
patent: 2515220 (1950-07-01), Hattan
patent: 2563976 (1951-08-01), Torosian
patent: 2649830 (1953-08-01), Arnold
patent: 3373647 (1968-03-01), Sherock
patent: 4040462 (1977-08-01), Hattan
patent: 4083162 (1978-04-01), Regan et al.
patent: 4086840 (1978-05-01), Kurlander

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