Electrical connector having improved contact retention means
阅读：883发布：2022-12-02
专利汇可以提供Electrical connector having improved contact retention means专利检索，专利查询，专利分析的服务。并且Electrical connector comprises insulating housing having contact receiving cavities extending therethrough. Each cavity has a rearwardly facing shoulder adjacent to the mating face of the housing and a forwardly facing shoulder adjacent to its rearward face of the housing these shoulders being on opposite sides of the cavity. An electrical contact terminal is located in each cavity and has a spring means thereon which is effective between the terminal and the side of the cavity on which the rearwardly facing shoulder is located so that the terminal is resiliently biased against the opposite side of the cavity. Terminal is thereby retained against forward movement by the rearwardly facing shoulder and against rearward movement by the forwardly facing shoulder. Removal of contact from the cavity is accomplished by inserting a thin tool into the contact, moving it laterally away from the side of the cavity on which the forwardly facing shoulder is located, and pulling the conductor to which the contact is secured.，下面是Electrical connector having improved contact retention means专利的具体信息内容。
1. A multi-contact electrical connector comprising an insulating housing having a plurality of contact-receiving cavities extending therethrough from the rearward face thereof to the mating face, each of said cavities having a rectangular cross-section, each of said cavities having a rearwardly facing shoulder therein which is proximate to said mating face and a forwardly facing shoulder therein which is proximate to said rearward face, said rearwardly facing shoulder being on a first sidewall of said cavity and said forwardly facing shoulder being on the sidewall which is opposite to said first sidewall, said forwardly facing shoulder of each cavity extending only partially thereacross and lying entirely on one side of the axial center line thereof, electrical contact terminals in said cavities, each of said terminals having a rectangular cross-section conforming to the cross-sections of said cavities and having a forward edge and a rearward edge, said forward and rearward edges being spacedapart along the length of said contact terminal by a distance which is substantially equal to the distance between said shoulders, each of said electrical contact terminals having a retention lance extending obliquely and rearwardly from one surface thereof, each retention lance bearing against said first sidewall of its respective cavity and being on the same side of said axial center line as the side of said forwardly facing shoulder, said retention lance biasing said terminal against said opposite sidewall whereby, said forward edge of said terminal is in engagement with said rearwardly facing shoulder and said rearward edge of said terminal is maintained in engagement with said forwardly facing shoulder thereby to retain said terminal in said cavity.
2. A multi-contact electrical connector comprising: an insulating housing having a plurality of contact-receiving cavities extending therethrough from the rearward face thereof to the mating face, said cavities having rectangular cross sections, each of said cavities having a rearwardly facing shoulder therein which is proximate to said mating face and a forwardly facing shoulder therein which is proximate to said rearward face, said rearwardly facing shoulder being on a first side of said cavity and said forwardly facing shoulder being on a second side which is opposite to said first side. an inclined ramp on said first side of each of said cavities extending towards said rearwardly facing shoulder, and a ledge extending between said rearwardly facing shoulder and the end of said ramp, said forwardly facing shoulder extending substantially halfway across said cavity, an electrical contact terminal in each of said cavities, each of said terminals having a forward edge and a rearward edge, said forward and rearward edges being spaced-apart along the length of said terminal by a distance equal to the distance between said shoulders, the forward end of said contact terminal being on said ledge and said forward edge being against said rearwardly facing shoulder, a resilient lance struck from the body portions of each of said terminals, said lances being on the same sides of the axes of said cavities as said forwardly facing shoulders, said lances being disposed against said first sides of said cavities and biasing said terminals against said second sides whereby, rearward movement of said terminals is prevented by the engagement of said forwardly facing shoulders with said rearward edges of said terminals and forward movement of said terminals is prevented by the engagement of said forward edges with said rearwardly facing shoulders, said terminals being removable from said cavities upon lateral movement of said terminals and flexure of said springs until said rearward edges are disengaged from said forwardly facing shoulders.
3. A connector housing adapted to receive electrical contact terminals of the type comprising a metallic body having forward and rearward edges and having a laterally extending lance struck from said metallic body, on one side of the axis of said metallic body said housing comprising: a block of insulating material having a plurality of contact receiving cavities extending therethrough from the rearward face thereof to the mating face thereof, said cavities having a rectangular cross-section, each of said cavities having a rearwardly facing shoulder proximate to said mating face and a forwardly facing shoulder proximate to said rearward face, said rearwardly facing shoulder being on a first sidewall of said cavity and forwardly facing shoulder being on a second sidewall of said cavity, each of said forwardly facing shoulders extending only partially across its respective cavity and lying entirely on one side of the axial center line of its respective cavity, and an inclined ramp on said first sidewall of said cavity extending towards said rearwardly facing shoulder and a ledge extending from said rearwardly facing shoulder to the end of said ramp whereby said cavities are adapted to receive said terminals when said terminals are in an orientation such that the lances are against said first sidewalls of the cavities, and said lances will bias said terminals against said second sidewalls so that said rearward edges of said terminals are against said forwardly facing shoulders and said forward edges are against said rearwardly facing shoulders, said cavities being incapable of receiving said terminals in locking engagement when said terminals are in an orientation such that said lances are on the same sides of said cavities as said first sidewalls.
4. A multi-contact electrical connector as set forth in claim 2 wherein each of said contact terminals is secured to a conductor in a flat conductor cable.
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