Screw threaded insert

Details Screw threaded insert Screw threaded insert

1991-01-02

1992-07-21

Lindsey, Rodney M.

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Threaded fastener locked to a discreet structure

Nut, and means to engage substructure on its opposite faces...

411180, 411418, 411489, 411968, F16B 3712

Patent

active

051317958

ABSTRACT:
A screw threaded insert adapted to be fitted in a bore of a workpiece made of thermoplastic material. The screw threaded insert is externally tapered at an angle of about four (4) degrees and is defined externally with a thread of approximately equal pitch and depth, and of saw toothed shape. The insert is also threaded internally for receiving a bolt. A pair of cutting slots is also provided.

REFERENCES:
patent: H339218 (1982-07-01), Navarre
patent: 1107544 (1914-08-01), Ogden
patent: 1227627 (1917-05-01), Kennedy
patent: 2079692 (1937-05-01), Lapointe
patent: 2609604 (1952-09-01), Sprague
patent: 2967448 (1961-01-01), Hallock
patent: 3498353 (1970-03-01), Barry
patent: 3530921 (1970-09-01), Ernest
patent: 3662643 (1972-05-01), Scheffer
patent: 3822902 (1974-07-01), Maurer et al.
patent: 3834438 (1974-09-01), Ziaylek, Jr.
patent: 4046181 (1977-09-01), Barnsdale

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