Threaded fastener

Details Threaded fastener Threaded fastener

1982-03-22

1983-12-06

Shedd, Wayne L.

Joints and connections

Having a joining piece extending through aligned openings in...

411409, 403388, 403 11, B25G 300, F16G 1100, F16D 100

Patent

active

044190298

ABSTRACT:
A threaded fastener having a self tool movable from an operable position to an out-of-the-way position which includes a threaded shaft, a laterally expanded head having a cavity beneath it surrounding the shaft, holes in either side of the expanded head, a D-ring having its opposite ends in the holes through the sides of the head, and an elastomeric ring such as an O-ring surrounding the threaded shaft and extending partly into the cavity so that when the threaded fastener is screwed into a threaded opening to receive it the O-ring is forced into the cavity when the fastener is tightened providing enough friction to hold the D-ring in its out-of-the-way position. If the object being held with the threaded fastener has a circular cavity having a diameter greater than the diameter of the D-ring, the D-ring, in its out-of-the-way position, will also lie in that recess where it will not interfere with the use of the object being held with the threaded fastener.

REFERENCES:
patent: 2102964 (1937-12-01), Mossberg
patent: 2752814 (1956-07-01), Iaia
patent: 2798404 (1957-07-01), Schaefer et al.

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