Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Externally threaded fastener element – e.g. – bolt – screw – etc. – Head driving structure
Patent
1989-08-30
1991-05-21
Wilson, Neill R.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Externally threaded fastener element, e.g., bolt, screw, etc.
Head driving structure
411407, 411910, F16B 2300, F16B 3506
Patent
active
050170694
ABSTRACT:
A sleeve bolt for coupling together workpieces including a cylindrical sleeve having a cylindrical outer surface and an axial bore with a radially interior surface of polygonal configuration at one end and internal threads at the other end. An inner slide member with a polygonally shaped cross-sectional configuration positioned within the bore at the polygonally configured end for movement between a retracted orientation totally within the cylindrical sleeve and a protruding orientation partially withdrawn from the cylindrical sleeve. A coupling connects the inner slide member for sliding movement along the longitudinal axis of the sleeve between the retracted and protruding orientation and includes stop means connected to the sleeve for defining the limits of movement of the slide member between retracted and protruding orientations.
REFERENCES:
patent: 3044584 (1962-07-01), Thompson
patent: 3114401 (1963-12-01), Johnson
patent: 4620428 (1986-11-01), Kopesky
patent: 4822227 (1989-04-01), Duran
Anderson Terry J.
Block Robert B.
Hoch Jr. Karl J.
Northrop Corporation
Wilson Neill R.
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