Screw fastener for a round hole

Details Screw fastener for a round hole Screw fastener for a round hole

1978-10-06

1980-08-26

Britts, Ramon S.

85 72, F16B 1306

Patent

active

042189543

ABSTRACT:
Fastening device of plastics material for a round hole, designed to receive a screw enabling mounting with a high gripping torque and this even in thin sheet metal. It includes a principal element capable of becoming clipped in a round hole of a support and a complementary element which is engaged in the upper portion of the first element. A mounting screw passes through the element and becomes self-tapping in the lower portion of the body. The advance of the screw causes, at the same time, the descent of the wedge and the reascent of the low portion of the principal element, which results in gripping expansion of the whole within the hole. The invention can be used for the mounting of any parts by means of a screw in a member clipped in a round hole with high gripping torque.

REFERENCES:
patent: 2887926 (1959-05-01), Edwards
patent: 3144695 (1964-08-01), Budwig
patent: 3678798 (1972-07-01), Van Niel
patent: 3739684 (1973-06-01), Vitrevich

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