Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Internally threaded fastener element – e.g. – nut – etc. – Thread structure
Patent
1991-07-10
1992-03-24
Wilson, Neill R.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Internally threaded fastener element, e.g., nut, etc.
Thread structure
411339, 411512, 411908, 411433, F16B 3716
Patent
active
050982427
ABSTRACT:
A plastic hex shaped tubular fastener which is to be secured to a threaded stud. A plurality of spaced flexible tongues which project radially inwardly near the bottom of the body locate within the screw of the stud when pushed on the stud and when so located projecting cams carried on vertical ribs spaced from the tongues locate within the screw thread so that the fastener can then be screwed tight.
REFERENCES:
patent: 4367995 (1983-01-01), Mizusawa et al.
patent: 4541153 (1985-09-01), Schaty
patent: 4579493 (1986-04-01), Schaty
patent: 4610587 (1986-09-01), Wollar et al.
patent: 4728236 (1988-03-01), Kraus
patent: 4859129 (1989-08-01), Kraus
patent: 4999019 (1991-03-01), Kraus
Emhart Inc.
Smith Spencer T.
Wilson Neill R.
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