Male coupling with movable threaded segments
AssigneeThread Technology, Inc.
InventorEric F. Cabahug
Life of this patent
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Abstract
A male coupling with movable threaded segments, consisting of a shaft, a sleeve mounted to move along the shaft, a plurality of threaded segments surrounding the shaft and mounted to move inwardly and outwardly relative to the shaft to effectively vary the outer diameter of the assembled threaded segments, the sleeve and threaded segments including surfaces adjoining each other such that movement of the sleeve in one direction causes the threaded segments to move inwardly toward the shaft, and a spring resiliently urging the threaded segments outward.
Claims14
A male coupling with movable threaded segments, comprising:
- a shaft;
- a sleeve mounted to move along the shaft;
- a plurality of threaded segments surrounding the shaft and mounted to move inwardly and outwardly relative to the shaft to effectively vary the outer diameter of the assembled threaded segments, the sleeve and threaded segments including surfaces adjoining each other such that movement of the sleeve in one direction causes the threaded segments to move inwardly toward the shaft;
- and
- a means resiliently urging the threaded segments outward.
A male coupling with movable threaded segments, comprising:
- a shaft;
- a sleeve provided with an opening through which the shaft passes and mounted to move along the shaft;
- means normally urging the sleeve forward and aligning the threaded segments;
- a plurality of threaded segments surrounding the shaft and mounted to move radially inward and outward relative to the shaft to vary the effective diameter of the assembled threaded segments;
- and
- means operatively connecting the sleeve and the threaded segments such that movement of the sleeve in one direction causes the threaded segments to move radially inward effectively reducing the diameter of the assembled threaded segments.
A male coupling with movable threaded segments, comprising:
- a shaft having frustoconical surfaces where the angle of the frustoconical surface to the axis is greater than the angle formed by the flank and a perpendicular to the thread axis in an axial plane;
- a plurality of threaded segments surrounding the shaft, each of the threaded segments having frustoconical surfaces mating with the frustoconical surfaces of the shaft;
- and
- means normally urging the threaded segments away from the shaft.
Dependencies are inferred from the claim text.