Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Internally threaded fastener element – e.g. – nut – etc. – Having cap
Patent
1984-08-07
1985-12-10
Dorner, Kenneth J.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Internally threaded fastener element, e.g., nut, etc.
Having cap
411373, 411907, F16B 3714
Patent
active
045576548
ABSTRACT:
A cover of a nut according to the present invention is constituted of a resilient body, having a cavity shaped so as to be prevented from turning by an operating means formed on the nut for convenience of turning the nut adapted to be engaged with the bolt and being equipped with a tubiform basal portion receiving the periphery of the nut engaged with the bolt to be fitted within said cavity and a hollow swelled portion extending integrally from one of the ends of said basal portion and closed at an end located far from the basal portion. Said resilient body is provided with a disengagement-proof means preventing the cover applied over the nut from slipping out of the nut after displacing in the direction of the axis of the nut.
REFERENCES:
patent: 1254514 (1918-01-01), Lehmann
patent: 2227250 (1940-12-01), Dirrig
patent: 2462023 (1949-02-01), Johanson et al.
patent: 2726009 (1955-12-01), Murdock, Sr. et al.
patent: 2786359 (1957-03-01), Karlan et al.
patent: 2795144 (1957-06-01), Morse
patent: 3431811 (1969-03-01), Yonkers
patent: 3471158 (1969-10-01), Solins
patent: 3548704 (1970-12-01), Kutryk
patent: 4018133 (1977-04-01), Chaivre et al.
patent: 4143578 (1979-03-01), Becker
Iwasita Hiroshi
Kuwabara Toshihiko
Masuda Makoto
Dorner Kenneth J.
Fuji Seimitsu Mfg. Co., Ltd.
Wilson Neill
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