Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Having separate expander means – Including sleeve and distinct tapered expander
Patent
1999-11-26
2000-12-26
Wilson, Neill
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Having separate expander means
Including sleeve and distinct tapered expander
411 55, 411 602, 411173, 411182, F16B 1306, F16B 3704
Patent
active
06164885&
ABSTRACT:
A one-piece insert fastener adapted for securement within an aperture in a panel by a threaded member. The insert fastener includes a base having a top surface, a bottom surface, a pair of outwardly protruding wings and a single-threaded, helical edge which is shaped to define a opening. The insert fastener also includes a pair of resilient, spaced apart legs which are formed on and protrude out from the base. Each of the pair of legs includes an outwardly angled upper section, an inwardly angled middle section and a lower section. In use, the insert fastener is disposed into the aperture in the panel until the pair of wings abuts against the outer surface of the panel. The threaded member is rotatably driven into the opening in the base and is engaged by the helical edge. Continued rotational driving of the threaded member causes the threaded member to contact and outwardly urge the pair of spaced apart legs into contacting engagement with the inner surface of the panel, thereby securing the insert fastener onto the panel. Insertion of the above fastener into a panel requires less than ten pounds of force. Once inserted, the fastener is secure until final assembly.
REFERENCES:
patent: 2208779 (1940-07-01), Tinnerman
patent: 2567884 (1951-09-01), Heath
patent: 2788047 (1957-04-01), Kapata
patent: 3645311 (1972-02-01), Tinnerman
patent: 5593263 (1997-01-01), Clinch et al.
patent: 5873690 (1999-02-01), Danby et al.
Roytberg Leonid
Wieland Howard N.
American Engineered Components, Inc.
Wilson Neill
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