Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Internally threaded fastener element – e.g. – nut – etc. – Multipart
Patent
1991-09-17
1993-01-19
Wilson, Neill R.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Internally threaded fastener element, e.g., nut, etc.
Multipart
411113, 411908, 296198, 296901, F16B 3708, F16B 3928
Patent
active
051802678
ABSTRACT:
An improved mill and drill pad fastener is described which uses a base and a polymeric pad which is less susceptible to cracking when a torque is applied such as is generated when a self-tapping screw is used. The improved fastener eliminates the need for a metal-reinforcing band around the polymeric pad component by the geometric design of the base, which also eliminates the ability of the pad to twist or to be pulled from the base. Additionally, a completely polymeric mill and drill pad fastener is described.
REFERENCES:
patent: 4438971 (1984-03-01), Zaydel et al.
patent: 4804303 (1989-02-01), Statkus
patent: 4818164 (1989-04-01), Kazyak
patent: 4863330 (1989-09-01), Olez et al.
patent: 4868968 (1989-09-01), Dixon et al.
patent: 5079055 (1992-01-01), Doyle
Barnhardt Charles T.
Greenlee Fredrick E.
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