Patent ID: 9506495
Filing Date: 2016-11-29
CPC Classification: F16B

Claim Text:
1. A self-locking insert comprising: an insert body having an outer surface having a plurality of outer threads; a single bore extending through the insert body, the bore defining an inner surface having a plurality of inner threads and configured to threadingly receive a lead screw, the single bore having a bore diameter; a self-locking feature comprising at least one lug configured to engage an inner bore of a holder, the at least one lug having a lug inner surface that is part of the bore inner surface and including a portion of the plurality of inner threads and a lug outer surface that is part of the insert body outer surface and including a portion of the plurality of outer threads thereon, the inner bore of the holder having at least one pocket, the at least one pocket configured to retain the self-locking insert in a predetermined position, the at least one lug compressed by the holder during installation of the self-locking insert in the holder from a deployed diameter to a retracted diameter, the retracted diameter less than or equal to the bore diameter and expandable into the at least one pocket to deployed diameter that is greater than the bore diameter, the plurality of outer threads configured to engage threads disposed along the inner bore of the holder, the self-locking insert configured to be screwed into position in the holder; and a de-lashing feature configured to interference fittingly engage the holder, the de-lashing feature being an angle formed on a surface of the at least one lug configured to interference fittingly engage the holder.