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US4253234A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of making electrical contact

Assignee: Amphenol Corp
•
Filing: 1978-12-26
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Granted: 1981-03-03
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Expires: 1998-12-26
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Abstract

Abstract A method of making an electrical contact wherein the contact includes a plurality of axially aligned wires (200) extending from a forward end (110) of a holder which has a rear portion (130) for receiving an electrical conductor (300). The holder (100) is manufactured by stamping it as a flat metallic piece with enlarged forward and rear portions then forming the forward portion (110) in a die to form a socket like portion for the plurality of fine, axially aligned wires and forming the rear portion (130) to receive the conductor (300).

Inventors

  • 👤 Paul D. Niles
  • 👤 Richard W. Normann

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 20:37
CPC Classifications
H; H01; H01R; H01R43/00; H01R43/16; H01R13/00; H01R13/02; H01R13/33; H01R43/04; H01R43/048; H01R43/0482; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49204; Y10T29/49208; Y10T29/49218

Claims Analysis

Total Claims: 12
Claim 1
Independent Claim 153 words
A method of making a hermophroditic electrical contact comprising the steps of: stamping a contact body as a single flat piece of electrically conducting stock having uniform thickness and including forward and rear portions, said stamping of the forward portion including stamping the forward portion into a generally rectangular portion having interfitting side edges; forming the forward portion of the contact body into a generally cylindrically-shaped socket by progressively bending the edges around to a position where the interfitting edges form a seam; inserting a plurality of fine parallel contact wires into the forward socket of the contact body; and crimping the foward portion of the contact body at a first location near the rear end thereof to retain the wires therein and at a second location longitudinally forward of the first location, said crimping at a plurality of spaced locations for axially aligning said contact wires with each other and the socket.
Claim 2
Independent Claim 153 words
A method of making a hermophroditic electrical contact comprising the steps of: stamping a contact body as a single flat piece of electrically conducting stock having uniform thickness and including forward and rear portions, said stamping of the forward portion including stamping the forward portion into a generally rectangular portion having interfitting side edges; forming the forward portion of the contact body into a generally cylindrically-shaped socket by progressively bending the edges around to a position where the interfitting edges form a seam; inserting a plurality of fine parallel contact wires into the forward socket of the contact body; and crimping the foward portion of the contact body at a first location near the rear end thereof to retain the wires therein and at a second location longitudinally forward of the first location, said crimping at a plurality of spaced locations for axially aligning said contact wires with each other and the socket.
Claim 3
Independent Claim 158 words
A method of making an electrical contact comprising the steps of: stamping a contact body as a single flat piece of electrically conducting stock having uniform thickness and including forward and rear portions, said stamping of the forward portion including stamping the forward portion into a generally rectangular portion having a lateral offset along one side and a complementary lateral projection along the other side; forming the forward portion of the contact body into a generally cylindrically-shaped socket by progressively bending the edges around to a position where the edges adjoin at a first seam with the lateral projection interfitting within the lateral offset at a seam portion which is circumferentially offset from the first seam; inserting a plurality of fine contact parallel wires into the forward socket of the contact body; and crimping the forward portion of the socket of the contact body at a first location near the rear end thereof to retain the wires therein.
Claim 4
Independent Claim 158 words
A method of making an electrical contact comprising the steps of: stamping a contact body as a single flat piece of electrically conducting stock having uniform thickness and including forward and rear portions, said stamping of the forward portion including stamping the forward portion into a generally rectangular portion having a lateral offset along one side and a complementary lateral projection along the other side; forming the forward portion of the contact body into a generally cylindrically-shaped socket by progressively bending the edges around to a position where the edges adjoin at a first seam with the lateral projection interfitting within the lateral offset at a seam portion which is circumferentially offset from the first seam; inserting a plurality of fine contact parallel wires into the forward socket of the contact body; and crimping the forward portion of the socket of the contact body at a first location near the rear end thereof to retain the wires therein.
Claim 5
Independent Claim 189 words
A method of making a hermophroditic electrical contact comprising the steps of: stamping a contact body as a single flat piece of electrically conducting stock having uniform thickness and including forward and rear portions, said stamping of the forward portion including stamping the forward portion into a generally rectangular portion having a lateral offset along one side and a complementary lateral projection along the other side; forming the forward portion of the contact body into a generally cylindrically-shaped socket by progressively bending the edges around to a position where the edges adjoin at a first seam with the lateral projection interfitting within the lateral offset at a seam portion which is circumferentially offset from the first seam; inserting a plurality of fine contact parallel wires into the forward socket of the contact body; and crimping the forward portion of the socket of the contact body at a first location near the rear end thereof to retain the wires therein and at a second location longitudinally forward of the first location, said crimping at two longitudinally spaced locations for axially aligning said contact wires with each other and the socket.
Claim 6
Independent Claim 189 words
A method of making a hermophroditic electrical contact comprising the steps of: stamping a contact body as a single flat piece of electrically conducting stock having uniform thickness and including forward and rear portions, said stamping of the forward portion including stamping the forward portion into a generally rectangular portion having a lateral offset along one side and a complementary lateral projection along the other side; forming the forward portion of the contact body into a generally cylindrically-shaped socket by progressively bending the edges around to a position where the edges adjoin at a first seam with the lateral projection interfitting within the lateral offset at a seam portion which is circumferentially offset from the first seam; inserting a plurality of fine contact parallel wires into the forward socket of the contact body; and crimping the forward portion of the socket of the contact body at a first location near the rear end thereof to retain the wires therein and at a second location longitudinally forward of the first location, said crimping at two longitudinally spaced locations for axially aligning said contact wires with each other and the socket.
Claim 7
Dependent Claim 46 words
A method of making an electrical contact as described in claim 3 wherein the step of crimping additionally includes forming a crimp at the forward end of the socket to make the forward end of the socket approximately the diameter of the plurality of contact wires.
Claim 8
Dependent Claim 37 words
A method of making a contact as described in claim 4 wherein the method includes the steps of forming the rear portion of the contact body into a trough-like shape having conductor receiving members and insulation-receiving portions.
Claim 9
Independent Claim 152 words
A method of making a mateable hermaphroditic electrical contact comprising the steps of: stamping a contact body from a flat piece of electrically conducting stock, said stamping providing the flat piece with a generally rectangular forward portion having oppositely disposed first and second sides, each of said sides having therealong a laterally offset portion; forming the rectangular forward portion of the flat piece into a contact body having a generally cylindrically-shaped socket by progressively bending the sides around to a position where the sides adjoin at a seam and the laterally offset portions interfit; arranging several pieces of conductive wire in parallel relationship; inserting one end of the wires into the socket exposing the other end of the wires for mating; and crimping at least a portion of the cylindrically-shaped socket to retain the wires therein, whereby the retained and aligned wires and the cylindrically-shaped socket provide the mateable hermaphroditic electrical contact.
Claim 10
Independent Claim 152 words
A method of making a mateable hermaphroditic electrical contact comprising the steps of: stamping a contact body from a flat piece of electrically conducting stock, said stamping providing the flat piece with a generally rectangular forward portion having oppositely disposed first and second sides, each of said sides having therealong a laterally offset portion; forming the rectangular forward portion of the flat piece into a contact body having a generally cylindrically-shaped socket by progressively bending the sides around to a position where the sides adjoin at a seam and the laterally offset portions interfit; arranging several pieces of conductive wire in parallel relationship; inserting one end of the wires into the socket exposing the other end of the wires for mating; and crimping at least a portion of the cylindrically-shaped socket to retain the wires therein, whereby the retained and aligned wires and the cylindrically-shaped socket provide the mateable hermaphroditic electrical contact.
Claim 11
Dependent Claim 26 words
A method of making an electrical contact as recited in claim 6 wherein the step of crimping includes forming at least two longitudinally spaced apart crimps.
Claim 12
Dependent Claim 46 words
A method of making an electrical contact as recited in claim 7 wherein the step of crimping additionally includes forming a crimp at the forward end of the socket to make the forward end of the socket approximately the diameter of the plurality of contact wires.

References Cited (Backward Citations)

US2093198A Cited
US2861324A Cited
US3163485A Cited
US3455022A Cited
US3243763A Cited
US3648224A Cited
US3728787A Cited
US3725844A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1984-03-02 1984-09-01 1985-03-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1988-03-02 1988-09-01 1989-03-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1992-03-02 1992-09-01 1993-03-03 $7700.00 Window Closed / Lapsed

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