Coaxial contact assembly for captivating inner pin-socket electrical contacts

Claim 2

A coaxial contact assembly for captivating inner pin-socket electrical contacts, which contact assembly comprises: a pin housing (70) and a socket housing (16) for overlapped electrically conductive joinder; pin member (90) and socket member (30) located with said corresponding housings, for electrical mating; said pin member and said socket housing having abutting, non-conductive relation when in the mated condition (at 120); said pin member and said socket member each having a barrel (34,94) for receiving a coaxial cable (14) inner conductor (36,112) to be terminated within said contact assembly; said pin housing and said socket housing each having a barrel portion (47,106) over which an outer conductor end portion (48,108) of corresponding coaxial cables can be positioned; and dielectric material (50,110) within each of said pin housing and said socket housing to insulate the respective housing from its corresponding pin or socket member, characterised in that said dielectric material extends beyond the corresponding barrel, beneath the corresponding outer conductor end portion, (48,108) and forward to provide abutments (56,57) at the barrel end of said socket member against forward axial movement of a cable inner dielectric and backward movement of said inner pin-socket contact, and to provide abutments (119,117) for the inner dielectric of a second cable and to provide a dielectric surface (120) at said pin member for aforesaid abutting-socket housing-pin member relation; the assembly including ferrule crimp means (60,130) encircling corresponding: housing barrel, extended dielectric material, cable inner dielectrical and cable inner conductor, whereby, when said cables are in position in the contact assembly, crimping said ferrules substantially captivates the inner pin-socket contacts against axial movement; said housing dielectrics being substantially rigid, insulating materials with high resistance to cold flow.

Claim 3

The contact assembly of claim 1 wherein a protective cylindrical member (140) is affixed to said pin housing to protect a plurality of spring fingers (103) terminating the forward end of said pin housing.

Claim 4

A coaxial contact assembly for captivating inner pin-socket electrical contacts, which contact assembly comprises: an electrical pin assembly (70); an electrical socket assembly (10) for mating with said pin assembly; characterised by the following construction: said socket assembly comprises, an electrical socket member (30) having a pin receiving socket (32) at one end and a barrel (34) at the other end for receiving a portion (36) of the inner conductor (18) of a coaxial cable; an electrically conductive socket housing (10) coaxially aligned around said socket member (30) having a cylindrical nose portion (44) extending beyond the entry to said socket and a cylindrical barrel portion (42) for insertion underneath, and for making electrical contact with, an end portion (48) of the outer conductor (24) of a coaxial cable; socket assembly dielectrical material (50) positioned between said socket member and said socket housing for electrically insulating said socket member from said socket housing and said outer conductor of a coaxial cable, and extending back (54) beyond said socket housing barrel portion (47) and forward to abut the rear end (56) of said socket barrel (34) and to bar forward movement of coaxial cable dielectric; and conductive ferrule crimp means (60) encircling: said socket housing barrel portion (47), said backward extending socket assembly dielectric material (54), said end portion (48) of outer conductor (24) of coaxial cable, and inner conductor (18) and dielectric material (54) associated with the end portion of the outer conductor of coaxial cable; said ferrule means (60) being capable of being crimped to fasten the ferrule, the encircled barrel portion and outer conductor; and the ferrule, outer conductor and extending dielectric material, to captivate inner pin-socket contacts (92,32) from axial movement owing to axial pull of the coaxial cable dielectric material and the inner conductor; where said pin assembly comprises, an electrical pin member (90) having a pin (92), for entering said socket (32), at one end and a barrel (94) at the other end for receiving end portion (112) of the inner conductor (76) of a second coaxial cable (74); an electrically conductive pin housing (70) coaxially aligned around said pin member (90) having a cylindrical nose portion (102) for overlapping electrical contact with said socket housing nose portion, and a cylindrical barrel portion (106) for insertion underneath, and for making electrical contact with, an end portion (108) of the outer conductor (82) of a second coaxial cable (74); pin assembly dielectric material (110) positioned between said pin member and said pin housing for electrically insulating said pin member from said socket housing when said pin and said socket are mated, and for electrically insulating said pin member from said pin housing and said outer conductor of second coaxial cable, said pin assembly dielectric material extending back beyond said pin housing barrel portion and forward to provide an abutment (119) for the inner end of second cable dielectric (132) and at said pin member provides insulator contact (120) with said socket housing and pin-socket captivation; and conductive ferrule crimp means (130) encircling: said pin housing barrel portion (106), said backward extending pin assembly dielectric material (118), said end portion (108) of the outer conductor of second coaxial cable (74), and inner conductor (76) and dielectric material (132) associated with the end portion of outer conductor of second coaxial cable; said ferrule being capable of being crimped to fasten together the ferrule, the encircled pin housing barrel portion, outer conductor and the ferrule, outer conductor and pin assembly dielectrical material, to captivate inner pin-socket contacts from axial movement owing to axial pull of second coaxial cable dielectric material and inner conductor; said pin assembly (70) including a protective cylindrical member (140), positioned on the exterior surface of said pin housing, to protect a plurality of spring fingers (102) terminating the forward end of said pin housing; said pin assembly and said socket assembly dielectric materials being substantially rigid, insulating materials with high resistance to cold flow.

Claim 5

A coaxial contact assembly for captivating inner pin-socket electrical contacts, which contact assembly comprises: an electrical pin assembly (70); an electrical socket assembly (10) for mating with said pin assembly; characterised by the following construction: said socket assembly comprises, an electrical socket member (30) having a pin receiving socket (32) at one end and a barrel (34) at the other end for receiving a portion (36) of the inner conductor (18) of a coaxial cable; an electrically conductive socket housing (10) coaxially aligned around said socket member (30) having a cylindrical nose portion (44) extending beyond the entry to said socket and a cylindrical barrel portion (42) for insertion underneath, and for making electrical contact with, an end portion (48) of the outer conductor (24) of a coaxial cable; socket assembly dielectrical material (50) positioned between said socket member and said socket housing for electrically insulating said socket member from said socket housing and said outer conductor of a coaxial cable, and extending back (54) beyond said socket housing barrel portion (47) and forward to abut the rear end (56) of said socket barrel (34) and to bar forward movement of coaxial cable dielectric; and conductive ferrule crimp means (60) encircling: said socket housing barrel portion (47), said backward extending socket assembly dielectric material (54), said end portion (48) of outer conductor (24) of coaxial cable, and inner conductor (18) and dielectric material (54) associated with the end portion of the outer conductor of coaxial cable; said ferrule means (60) being capable of being crimped to fasten the ferrule, the encircled barrel portion and outer conductor; and the ferrule, outer conductor and extending dielectric material, to captivate inner pin-socket contacts (92,32) from axial movement owing to axial pull of the coaxial cable dielectric material and the inner conductor; where said pin assembly comprises, an electrical pin member (90) having a pin (92), for entering said socket (32), at one end and a barrel (94) at the other end for receiving end portion (112) of the inner conductor (76) of a second coaxial cable (74); an electrically conductive pin housing (70) coaxially aligned around said pin member (90) having a cylindrical nose portion (102) for overlapping electrical contact with said socket housing nose portion, and a cylindrical barrel portion (106) for insertion underneath, and for making electrical contact with, an end portion (108) of the outer conductor (82) of a second coaxial cable (74); pin assembly dielectric material (110) positioned between said pin member and said pin housing for electrically insulating said pin member from said socket housing when said pin and said socket are mated, and for electrically insulating said pin member from said pin housing and said outer conductor of second coaxial cable, said pin assembly dielectric material extending back beyond said pin housing barrel portion and forward to provide an abutment (119) for the inner end of second cable dielectric (132) and at said pin member provides insulator contact (120) with said socket housing and pin-socket captivation; and conductive ferrule crimp means (130) encircling: said pin housing barrel portion (106), said backward extending pin assembly dielectric material (118), said end portion (108) of the outer conductor of second coaxial cable (74), and inner conductor (76) and dielectric material (132) associated with the end portion of outer conductor of second coaxial cable; said ferrule being capable of being crimped to fasten together the ferrule, the encircled pin housing barrel portion, outer conductor and the ferrule, outer conductor and pin assembly dielectrical material, to captivate inner pin-socket contacts from axial movement owing to axial pull of second coaxial cable dielectric material and inner conductor; said pin assembly (70) including a protective cylindrical member (140), positioned on the exterior surface of said pin housing, to protect a plurality of spring fingers (102) terminating the forward end of said pin housing; said pin assembly and said socket assembly dielectric materials being substantially rigid, insulating materials with high resistance to cold flow.