Integrated spring ring retainer for captivating a fastener to a

Details Integrated spring ring retainer for captivating a fastener to a Integrated spring ring retainer for captivating a fastener to a

1998-10-21

2000-03-21

Saether, Flemming

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

Headed fastener element with nut, washer, securing means or cap

Metallic resilient securing means

411512, 411999, F16B 2118

Patent

active

060395257

ABSTRACT:
A technique for captivating a fastener in a workpiece which finds particular utility where the workpiece has a smooth, polished bore. A retainer is provided between the bore of the workpiece and the fastener which is designed so that there is good adhesion between the outer diameter of the retainer and the inner diameter of the polished inner surface of the workpiece without also increasing the adhesion between the inner diameter of the retainer and the outer diameter of the fastener to thereby allow some axial play or slippage of the fastener relative to the retainer. In such manner the fastener will not pop free from the workpiece upon experiencing external axial forces on the fastener. Preferably, the retainer also allows radial and tilting movement of the fastener to facilitate the final threading process.

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