Solderless coaxial connectors

Claim 2

In a connector for mounting on the end of a coaxial shielded cable of the type having an inner conductor surrounded by a tubular dielectric material in turn surrounded by an outer tubular braided conductor in turn surrounded by a dielectric material covering, wherein said connector comprises: an electrically conductive hollow sleeve member having a first longitudinal bore adapted to accept the coaxial cable, a second longitudinal bore of enlarged diameter provided with an internal thread and an annular abutment surface disposed between said first and second bores; a dielectric washer disposed surrounding the dielectric material surrounding the inner conductor, the end of the tubular conductor being fanned out radially so as to be normally engaged between one side of said dielectric washer and said annular abutment in the hollow sleeve member, the projecting end of the inner conductor being bent over on the other side of said dielectric washer; a plug member comprising a cylindrical body and a coaxially disposed electrically conductive elongated prong member having a rearward flat surface and being electrically insulated from said body, said body being provided with a thread on the peripheral surface thereof for engagement with the internal thread in the hollow sleeve member, the relative length of said plug member and said hollow sleeve member being such that when the plug member is threaded tight into the hollow sleeve member said inner conductor is clamped between said dielectric washer and the rearward flat surface of said electrically conductive elongated prong member in said plug member and said outer tubular braided conductor is clamped between said side of said dielectric washer and the annular abutment surface of said hollow sleeve member; a forwardly disposed enlarged diameter shoulder portion on the periphery of tHe end of said hollow sleeve member engaging said plug member; and a collar member having a rearwardly disposed inwardly extending shoulder portion for engagement with the enlarged diameter shoulder portion of said hollow sleeve member, said collar member having an internal thread for engagement with an external thread of a receptacle for said prong member; the improvement characterized by said dielectric washer having a bore provided with a thread for gripping engagement with the tubular dielectric material surrounding the inner conductor of said coaxial shielded cable.

Claim 3

The improvement of claim 1 wherein said dielectric washer has a peripheral surface provided with serrations.

Claim 4

A coaxial cable splice connector for joining the ends of a pair of coaxial cables of the type having an inner conductor surrounded by an inner dielectric material in turn surrounded by an outer tubular braided conductor in turn surrounded by an outer dielectric material, said splice connector comprising: an electrically conductive hollow sleeve member having a first longitudinal bore adapted to accept the first of said coaxial cables, a second longitudinal bore of enlarged diameter provided with an internal thread and an annular abutment surface disposed between said first and second bores; an electrically conductive hollow plug member having a longitudinal bore adapted to accept the second of said coaxial cables, and an end provided with external threads for engagement with the internal threads of said hollow sleeve member; a first dielectric washer, disposed surrounding the inner conductor proximate the end of the first said coaxial cables, the end of the outer tubular braided conductor of said coaxial cable being fanned out radially so as to be normally engaged between a side of said first dielectric washer and the annular abutment in said hollow sleeve member, the projecting end of the inner conductor of said first coaxial cable being bent over on the other side of said first dielectric washer; a second dielectric washer disposed surrounding the inner conductor proximate the end of the second of said coaxial cables, the end of the outer tubular braided conductor of said second coaxial cable being fanned out radially so as to be normally engaged between a side of said dielectric washer and the end of the hollow plug member, the projecting end of the inner conductor of said second coaxial cable being bent over on the other side of said second dielectric washer; and a cylindrical plug member disposed between the first dielectric washer and the second dielectric washer, said cylindrical plug member having an outer tubular portion of a dielectric material and an inner cylindrical portion of an electrically conductive material; whereby when the hollow plug member is threaded tight into the hollow sleeve member with the external threads of said hollow plug member engaged with the internal threads of said hollow sleeve member, the first dielectric washer, the cylindrical plug member, and the second dielectric washer are tightly clamped inside the longitudinal bore of enlarged diameter of the hollow sleeve member and the end of the hollow plug member, with the fanned out end of the outer tubular braided conductor of the first coaxial cable disposed in clamped engagement between said annular abutment surface and said first dielectric washer, the bent over end of the inner conductor of said first coaxial cable disposed in clamped engagement between said first dielectric washer and said cylindrical plug member, the bent over end of the inner conductor of said second coaxial cable disposed in clamped engagement between said cylindrical plug member and said second dielectric washer and the fanned out end of the outer tubular braided conductor of said second coaxial cable disposed in clamped engagement between the end of said hollow plug member and said second dielectric washer.

Claim 5

A coaxial cable splice connector for joining the ends of a pair of coaxial cables of the type having an inner conductor surrounded by an inner dielectric material in turn surrounded by an outer tubular braided conductor in turn surrounded by an outer dielectric material, said splice connector comprising: an electrically conductive hollow sleeve member having a first longitudinal bore adapted to accept the first of said coaxial cables, a second longitudinal bore of enlarged diameter provided with an internal thread and an annular abutment surface disposed between said first and second bores; an electrically conductive hollow plug member having a longitudinal bore adapted to accept the second of said coaxial cables, and an end provided with external threads for engagement with the internal threads of said hollow sleeve member; a first dielectric washer, disposed surrounding the inner conductor proximate the end of the first said coaxial cables, the end of the outer tubular braided conductor of said coaxial cable being fanned out radially so as to be normally engaged between a side of said first dielectric washer and the annular abutment in said hollow sleeve member, the projecting end of the inner conductor of said first coaxial cable being bent over on the other side of said first dielectric washer; a second dielectric washer disposed surrounding the inner conductor proximate the end of the second of said coaxial cables, the end of the outer tubular braided conductor of said second coaxial cable being fanned out radially so as to be normally engaged between a side of said dielectric washer and the end of the hollow plug member, the projecting end of the inner conductor of said second coaxial cable being bent over on the other side of said second dielectric washer; and a cylindrical plug member disposed between the first dielectric washer and the second dielectric washer, said cylindrical plug member having an outer tubular portion of a dielectric material and an inner cylindrical portion of an electrically conductive material; whereby when the hollow plug member is threaded tight into the hollow sleeve member with the external threads of said hollow plug member engaged with the internal threads of said hollow sleeve member, the first dielectric washer, the cylindrical plug member, and the second dielectric washer are tightly clamped inside the longitudinal bore of enlarged diameter of the hollow sleeve member and the end of the hollow plug member, with the fanned out end of the outer tubular braided conductor of the first coaxial cable disposed in clamped engagement between said annular abutment surface and said first dielectric washer, the bent over end of the inner conductor of said first coaxial cable disposed in clamped engagement between said first dielectric washer and said cylindrical plug member, the bent over end of the inner conductor of said second coaxial cable disposed in clamped engagement between said cylindrical plug member and said second dielectric washer and the fanned out end of the outer tubular braided conductor of said second coaxial cable disposed in clamped engagement between the end of said hollow plug member and said second dielectric washer.

Claim 6

The connector of claim 3 wherein at least one of said dielectric washers is dIsposed surrounding the dielectric material surrounding said inner conductor.

Claim 7

The connector of claim 4 wherein at least one of said dielectric washers is provided with internal threads for firmly gripping the inner dielectric material of the coaxial cable associated therewith.

Claim 8

The connector of claim 5 wherein said dielectric washer has a peripheral surface provided with serrations.

Claim 9

The connector of claim 3 wherein the hollow sleeve member is provided with a knurled surface on at least a portion of the outer surface thereof.

Claim 10

The connector of claim 7 wherein the hollow plug member is provided with a knurled surface on at least a portion of the outer surface thereof.