A compliant electrical connector has a pin with edges to grip the boundary of a hole, the pin having at least one groove sunk in the side thereof so that the pin forms a flexure that flexes to reduce the cross sectional area of the groove as the pin is inserted into the hole. pin has an elongated body with laterally oppositely facing walls for engaging electrical structure forming a hole into which the pin is pressed, the pin having compliant body extent between such walls and including a flexure in yieldable flexed condition, the flexure including a spring for developing outwardly opposing forces for forcing the laterally oppositely facing walls into contact with the structure forming the hole. An electrical connection is thereby provided from the pin and the structure forming the hole.
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1. In a compliant electrical connector adapted to be pressed into a hole formed by surrounding structure, the combination comprising
(a) an axially elongated pin having edges to forcibly grip said structure at the boundary of the hole as the pin is inserted into the hole, (b) the pin having first and second elongated grooves respectively sunk in opposite sides thereof, the full depth of each groove along a substantial portion of its length being greater than one-half the thickness of the section between said opposite sides of the pin, the grooves extending axially of the pin and configured to locally weaken the pin so that at least one flexure is formed by the pin to extend axially thereof between and adjacent the grooves and along the groove length, (c) the flexure adapted to yieldably flex in response to insertion of the pin into the hole and progressive gripping of said structure by pin edges, thereby to reduce the cross sectional area of that groove in response to
insertion of the pin into the hole. 2. The connector of claim 1 12 wherein the depth of each groove progressively increases along one end portion of the groove. 3. The connector of
the pin into said hole. 4. The connector of claim 1 12 wherein the two grooves open outwardly at generally opposite sides of the pin. 5. The connector of claim 4 wherein the depths of said grooves in the pin progressively increase along corresponding end portions of the two grooves. 6. The connector of
one another in response to said insertion of the pin into the hole. 7. The connector of claim 1 12 wherein the pin has a Z-shaped cross section at the locus of said grooves. 8. The connector of
is received. 9. The connector of claim 8 14 wherein said structure includes an electrically conductive plating material bounding said hole and penetrated by said pin edges, the pin having a generally polygonal overall external cross section. 10. In a compliant electrical connector adapted to be pressed into a hole formed by surrounding structure, the combination comprising
(a) an axially elongated pin having edges to forcibly grip said structure at the boundary of the hole as the pin is inserted into the hole,
(b) the pin having two grooves with predetermined cross-sectional areas sunk respectively in generally opposite sides thereof, the pin also having end walls spaced apart in a first lateral direction, the grooves extending axially of the pin and in such lateral relation that an axially elogated flexure is formed intermediate the two grooves, the grooves being relatively staggered in said first lateral direction so that the deepest portion of one groove is closer to one of said end walls than the other end wall, and the deepest portion of the other groove is closer to said other end wall than said one end wall, (c) the flexure adapted to yieldably flex in response to insertion of the pin into the hole and progressive gripping of said structure by pin edges, thereby to simultaneously reduce the cross sectional areas of the two grooves in response to insertion of the pin into the hole. 11. The connector of claim 10 16 wherein the pin also has a wire-wrap section beyond one end of said grooves, and an enlarged cross-section beyond the opposite end of said grooves. 12. In a compliant electrical connector adapted to be pressed into a hole formed by surrounding structure, the combination comprising: (a) an axially elongated pin having edge portions to forcibly grip said structure at the boundary of the hole as the pin is inserted into the hole, (b) the pin having first and second elongated grooves respectively sunk in opposite sides thereof, the full depth of each groove along a substantial portion of its length being greater than one-half the thickness of the section between said opposite sides of the pin, the grooves extending axially of the pin and configured to locally weaken the pin so that at least one flexure is formed by the pin to extend axially thereof between and adjacent the grooves and along the groove length, (c) the flexure adapted to yieldably flex in response to insertion of the pin into the hole and progressive gripping of said structure by pin edge portions, thereby to reduce the cross-sectional area of that groove in response to insertion of the pin into the hole, (d) at least one of said grooves having side walls forming generally V-shaped cross-sections along major extent of the groove and in planes normal to said axis, the depth of the groove accommodating relative movement of said walls toward one another in response to said insertion of the pin into said hole. 13. In a compliant electrical connector adapted to be pressed into a hole formed by surrounding structure, the combination comprising: (a) an axially elongated pin having edge portions to forcibly grip said structure at the boundary of the hole as the pin is inserted into the hole, (b) the pin having first and second elongated grooves respectively sunk in opposite sides thereof, the full depth of each groove along a substantial portion of its length being greater than one-half the thickness of the section between said opposite sides of the pin, the grooves extending axially of the pin and configured to locally weaken the pin so that at least one flexure is formed by the pin to extend axially thereof between and adjacent the grooves and along the groove length, (c) the flexure adapted to yieldably flex in response to insertion of the pin into the hole and progressive gripping of said structure by pin edge portions, thereby to reduce the cross-sectional area of that groove in response to insertion of the pin into the hole, (d) said two grooves opening outwardly at generally opposite sides of the pin, the depths of said grooves progressively increasing along corresponding end portions of the two grooves, (e) each groove having side walls forming generally V-shaped cross sections along major extent of each groove and in planes normal to said axis, the depths of the grooves accommodating relative movement of walls of each groove relatively toward one another in response to said insertion of the pin into the hole. 14. In a compliant electrical connector adapted to be pressed into a hole formed by surrounding structure, the combination comprising: (a) an axially elongated pin having edge portions to forcibly grip said structure at the boundary of the hole as the pin is inserted into the hole, (b) the pin having first and second elongated grooves respectively sunk in opposite sides thereof, the full depth of each groove along a substantial portion of its length being greater than one-half the thickness of the section between said opposite sides of the pin, the grooves extending axially of the pin and configured to locally weaken the pin so that at least one flexure is formed by the pin to extend axially thereof between and adjacent the grooves and along the groove length, (c) the flexure adapted to yieldably flex in response to insertion of the pin into the hole and progressive gripping of said structure by pin edge portions, thereby to reduce the cross-sectional area of that groove in response to insertion of the pin into the hole, (d) and including said structure forming said hole into which the pin is received, (e) at least one of said grooves having a bottom and opposite side walls which taper generally toward said bottom along major extent of the groove, the depth of the groove accommodating relative movement of said side walls toward one another in response to said insertion of the pin into said hole. 15. In a compliant electrical connector adapted to be pressed into a hole formed by surrounding structure, the combination comprising: (a) an axially elongated pin having edge portions to forcibly grip said structure at the boundary of the hole as the pin is inserted into the hole, (b) the pin having first and second elongated grooves respectively sunk in opposite sides thereof, the full depth of each groove along a substantial portion of its length being greater than one-half the thickness of the section between said opposite sides of the pin, the grooves extending axially of the pin and configured to locally weaken the pin so that at least one flexure is formed by the pin to extend axially thereof between and adjacent the grooves and along the groove length, (c) the flexure adapted to yieldably flex in response to insertion of the pin into the hole and progressive gripping of said structure by pin edge portion, thereby to reduce the cross-sectional area of that groove in response to insertion of the pin into the hole, (d) and including said structure forming said hole into which the pin is received, said structure including an electrically conductive plating material bounding said hole and penetrated by said pin edges, the pin having a generally polygonal overall external cross section. 16. In a compliant electrical connector adapted to be pressed into a hole formed by surrounding structure, the combination comprising: (a) an axially elongated pin having edge portions to forcibly grip said structure at the boundary of the hole as the pin is inserted into the hole, (b) the pin having two grooves with predetermined cross-sectional areas sunk respectively in generally opposite sides thereof, the pin also having end walls spaced apart in a first lateral direction, the grooves extending axially of the pin and in such lateral relation that an axially elongated flexure is formed intermediate the two grooves, the grooves being relatively staggered in said first lateral direction so that the deepest portion of one groove is closer to one of said end walls than the other end wall, and the deepest portion of other groove is closer to said other end wall then said one end wall, (c) the flexure adapted to yieldably flex in response to insertion of the pin into the hole and progressive gripping of said structure by pin edge portions, thereby to simultaneously reduce the cross-sectional areas of the two grooves in response to insertion of the pin into the hole, (d) at least one of said grooves having side walls forming generally V-shaped cross sections along major extent of the groove and in planes normal to said axis, the depth of the groove and in planes normal to said axis, the depth of the groove accommodating relative movement of said walls toward one another in response to said insertion of the pin into said hole. 17. In combination with electrical structure forming a hole, a compliant electrical connector pressed into said hole, the connector comprising: (a) an axially elongated pin having outer walls facing directionally laterally oppositely and forcibly displaced relatively toward one another by said structure, (b) the pin having compliant body extent located between said walls and defining two grooves extending axially of the pin and in such lateral relation that an axially elongated flexure is formed intermediate the two grooves, the grooves being relatively staggered in said lateral direction so that the deepest portion of one groove is closer to one of said walls than the other wall, and the deepest portion of the other groove is closer to said other wall than to said one wall, the grooves having lateral widths, (c) the flexure being in yieldably flexed condition in response to endwise insertion of the pin into said hole, thereby tending to reduce the widths of said grooves, (d) at least one of said grooves having side walls forming generally V-shaped cross sections along major extent of the one groove and in planes normal to said axis, the depth of the groove accommodating relative movement of said walls toward one another in response to insertion of the pin into the hole. 18. In combination with electrical structure forming a hole, an electrical connector pin pressed axially into said hole, the pin comprising: (a) an elongated body having laterally oppositely facing walls forcibly displaced relatively toward one another by said structure, (b) and compliant body extent located between said walls and including a flexure in yieldably flexed condition and having opposite sides, (c) and two grooves formed by said compliant body extent and located respectively adjacent said flexure opposite sides and between said walls, one groove closer to one of said walls than to the other wall, and the other groove closer to the other wall than to said one wall, (d) at least one of said grooves having side walls forming generally V-shaped cross sections along major extent of the one groove and in planes normal to said axis, the depth of the groove accommodating relative movement of said walls toward one another in response to insertion of the pin into the hole. 19. In combination with electrical structure forming a hole, an electrical connector pin pressed axially into said hole, the pin comprising: (a) an elongated body having laterally oppositely facing walls for engaging the electrical structure forming a hole, (b) an compliant body extent located between said walls and including a flexure in yieldable flexed condition and having opposite sides, (c) said flexure located between said laterally oppositely facing walls, and flexure including a spring for developing outwardly opposing forces for forcing said laterally opposite facing walls into contact with said structure forming a hole to thereby provide an electrical connection between said connector pin and said structure forming a hole, (d) said compliant body extent defining at least one groove having side walls forming generally V-shaped cross sections along major extent of the one groove and in planes normal to said axis, the depth of the groove accommodating relative movement of said walls toward one another in response to insertion of the pin into the hole. |
From the foregoing, it is clear that the invention provides a compliant electrical connector pin having an elongated body with laterally oppositely facing walls for engaging electrical structure forming a hole into which the pin is pressed, the pin having compliant body extent between such walls and including a flexure in yieldable flexed condition, the flexure including a spring for developing outwardly opposing forces for forcing the laterally oppositely facing walls into contact with the structure forming the hole. An electrical connection is thereby provided from the pin to the structure forming the hole.
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