Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Internally threaded fastener element – e.g. – nut – etc. – Thread structure
Patent
1988-08-10
1990-03-13
Lindsey, Rodney M.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Internally threaded fastener element, e.g., nut, etc.
Thread structure
411427, 411924, F16B 3716
Patent
active
049079301
ABSTRACT:
A female threaded fastener, such as a nut, for preventing cross threading with a male threaded fastener comprises a body in which there is a threaded bore. A mouth is formed on at least one open end of the bore. The mouth has a partial thread section and a lip segment. The partial thread section has formed in it at least one partial thread. The lip section is unthreaded and may be angled radially outwardly from the bore.
REFERENCES:
patent: 192718 (1877-07-01), Smith
patent: 341146 (1886-05-01), Howes
patent: 561913 (1896-06-01), Paquette
patent: 1008551 (1911-11-01), Lorenz
patent: 2564029 (1951-08-01), Peterson
patent: 3757591 (1973-09-01), Taylor
Buell Industries, Inc.
Lindsey Rodney M.
Saether F.
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