Patent ID: 9297406
Filing Date: 2016-03-29
CPC Classification: F16B,F16H,Y10S

Claim Text:
1. A multi-piece shoulder bolt fastener comprising: a bolt comprising a shank including threads formed on at least a distal portion of the shank; a sleeve body that surrounds the shank, said sleeve body including a cylindrical outer surface that defines a shoulder region adapted to be received in a bore of an associated component, said cylindrical outer surface including at least one annular groove defined in said shoulder region that is adapted to be engaged by the associated component to capture said shoulder bolt fastener to the associated component; said sleeve body comprising: (i) an inner flange located at an inner end of the sleeve body and comprising an inner flange aperture; (ii) an outer flange located at an outer end of the sleeve body and comprising an outer flange aperture; wherein said shank extends through both said inner flange aperture and said outer flange aperture, and said portion of said shank located between said inner and outer flanges of said sleeve body comprises a radially enlarged protrusion that cannot fit through said outer flange aperture so that said bolt and sleeve are axially movable relative to each other, and said sleeve is captured on said bolt such that said bolt is not separable from said sleeve; said inner flange comprising a turned-in end portion of said sleeve body and said outer flange comprising a turned-out end portion of said sleeve body.