Coaxial cable connector with collapsible insert
First Claim
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1. A connector for attaching to an end of a coaxial cable, the coaxial cable comprising an inner conductor, a dielectric surrounding the inner conductor, an outer conductor surrounding the dielectric, and a protective layer surrounding the outer conductor, the connector comprising:
- an outer body comprising a rear end, an inwardly directed rear flange, a front end, a longitudinal axis, and an internal surface extending between the rear and front ends of the body, the internal surface defining a longitudinal opening, wherein the inwardly directed rear flange defines an forward facing shoulder in the internal surface; and
a collapsible insert disposed at least partially within the longitudinal opening of the outer body, the insert comprising an inner surface defining a longitudinal opening, an outer surface, a rear ferrule portion, a weakened portion adjacent the rear ferrule portion, a bushing portion adjacent the weakened portion, and a forward conducting portion disposed adjacent the bushing portion;
wherein, in an uncompressed state, the weakened portion is disposed between the ferrule portion and the bushing portion, and the bushing portion is longitudinally spaced away from the ferrule portion;
wherein, in a fully compressed state, the rear ferrule portion abuts the forward facing shoulder of the outer body, the weakened portion is deformed or broken, and at least a part of the bushing portion is sandwiched between the ferrule portion and the internal surface of the outer body, thereby urging the ferrule portion radially inwardly.
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Abstract
A connector for coaxial cable is disclosed herein that has an outer body and a collapsible insert. The insert grips the outermost protective layer of the cable when the insert is fully compressed. A related method for connecting the coaxial cable and connector is also disclosed.
69 Citations
15 Claims
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1. A connector for attaching to an end of a coaxial cable, the coaxial cable comprising an inner conductor, a dielectric surrounding the inner conductor, an outer conductor surrounding the dielectric, and a protective layer surrounding the outer conductor, the connector comprising:
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an outer body comprising a rear end, an inwardly directed rear flange, a front end, a longitudinal axis, and an internal surface extending between the rear and front ends of the body, the internal surface defining a longitudinal opening, wherein the inwardly directed rear flange defines an forward facing shoulder in the internal surface; and a collapsible insert disposed at least partially within the longitudinal opening of the outer body, the insert comprising an inner surface defining a longitudinal opening, an outer surface, a rear ferrule portion, a weakened portion adjacent the rear ferrule portion, a bushing portion adjacent the weakened portion, and a forward conducting portion disposed adjacent the bushing portion; wherein, in an uncompressed state, the weakened portion is disposed between the ferrule portion and the bushing portion, and the bushing portion is longitudinally spaced away from the ferrule portion; wherein, in a fully compressed state, the rear ferrule portion abuts the forward facing shoulder of the outer body, the weakened portion is deformed or broken, and at least a part of the bushing portion is sandwiched between the ferrule portion and the internal surface of the outer body, thereby urging the ferrule portion radially inwardly. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A connector in combination with a coaxial cable, the coaxial cable comprising an inner conductor, a dielectric surrounding the inner conductor, an outer conductor surrounding the dielectric, and a protective layer surrounding the outer conductor, the protective layer having an outermost cable diameter, the cable further comprising a prepared end having an exposed outer conductor and an exposed inner conductor, the combination comprising:
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an outer body comprising a rear end, an inwardly directed rear flange, a front end, a longitudinal axis, and an internal surface extending between the rear and front ends of the body, the internal surface defining a longitudinal opening adapted to receive the cable and comprising at least one thread on at least a portion of the internal surface adjacent the front end of the outer body, wherein the inwardly directed rear flange defines an forward facing shoulder in the internal surface; and a collapsible insert disposed at least partially within the longitudinal opening of the outer body, the insert comprising an inner surface defining a longitudinal opening, an outer surface, a rear ferrule portion, a weakened portion adjacent the rear ferrule portion, a bushing portion adjacent the weakened portion, and a forward conducting portion disposed adjacent the bushing portion; wherein, in an uncompressed state;
the weakened portion is disposed between the ferrule portion and the bushing portion;
the bushing portion is longitudinally spaced away from the ferrule portion;
the rear ferrule portion, the weakened portion and the bushing portion are disposed between the internal surface of the outer body and the protective layer of the cable; and
the forward conducting portion is disposed adjacent the exposed outer conductor;wherein, in a fully compressed state, the rear ferrule portion abuts the forward facing shoulder of the outer body, the weakened portion is deformed or broken, and at least a rear part of the bushing portion is sandwiched between the ferrule portion and the internal surface of the outer body, thereby urging the ferrule portion radially inwardly into the protective layer of the cable. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A connector for attaching to an end of a coaxial cable, the coaxial cable comprising an inner conductor, a dielectric surrounding the inner conductor, an outer conductor surrounding the dielectric, and a protective layer surrounding the outer conductor, the connector comprising:
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an outer body comprising a rear end, an inwardly directed rear flange, a front end, a longitudinal axis, and an internal surface extending between the rear and front ends of the body, the internal surface defining a longitudinal opening and having at least one thread on at least a portion of the internal surface adjacent the front end of the outer body, wherein the inwardly directed rear flange defines an forward facing shoulder in the internal surface; and a collapsible insert disposed at least partially within the longitudinal opening of the outer body, the insert comprising an inner surface defining a longitudinal opening, an outer surface, a rear ferrule portion, a bushing portion, a weakened portion disposed between the ferrule portion and the bushing portion, and a forward conducting portion disposed adjacent the bushing portion; wherein, in an uncompressed state, the weakened portion is disposed between the ferrule portion and the bushing portion, and the bushing portion is longitudinally spaced away from the ferrule portion; wherein the insert is capable of abutting the forward facing shoulder of the outer body, wherein, in a fully compressed state, the rear ferrule portion abuts the forward facing shoulder of the outer body, the weakened portion is deformed or broken, at least a rear part of the bushing portion is not longitudinally spaced away from the ferrule portion, and at least a rear part of the bushing portion is sandwiched between the ferrule portion and internal surface of the outer body, thereby urging the ferrule portion radially inwardly.
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Specification