Assembly sleeve for fixing a screw in an object, particularly of

Details Assembly sleeve for fixing a screw in an object, particularly of Assembly sleeve for fixing a screw in an object, particularly of

1982-02-24

1984-03-27

Smith, Gary L.

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...

411 38, 411183, 294265, 29523, F16B 3712

Patent

active

044390785

ABSTRACT:
An insertable threaded sleeve provided with an outer screwthread and an inner screwthread for a screw, the outer screwthread being adapted to the screwthread of a tapped hole in an object. An extension adapted to be deformed by a buckling so as to be locked in the screwthread of the hole is provided with an outer knurling which improves the engagement thereof with the screwthread of the tapped hole and a flange on the outer end. The sleeve is replaceable and can be used in particular when the object is made from a soft material whereas the screw is made from a hard material. It may have if desired means for locking the screw against rotation.

REFERENCES:
patent: 2670021 (1954-02-01), Torresen et al.
patent: 3030705 (1962-04-01), Gill
patent: 3145751 (1964-08-01), Boots
patent: 3180386 (1965-04-01), Bynum
patent: 3270793 (1966-09-01), Polmon
patent: 3280874 (1966-10-01), Rosan
patent: 3371402 (1968-03-01), Neuschotz
patent: 3512328 (1970-05-01), Eriksson
patent: 3948142 (1976-04-01), McKay et al.

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