Jumper connector

• US 4,030,799 A
• Filed: 02/09/1976
• Issued: 06/21/1977
• Est. Priority Date: 02/09/1976
• Status: Expired due to Term

• Current Assignee: 3M Company
• Original Assignee: P & S Products Incorporated
• Inventors: Venaleck, John T.
• Primary Examiner(s): Lazarus, Richard B.
• Assistant Examiner(s): Rosenbaum, Mark
• Application Number:
  US05/656,303
• Time in Patent Office: 498 Days
• Field of Search: 339/99 R, 339/97 R, 339/97 P, 339/278 C, 339/218 M, 339/DIG. 3, 339/174, 339/186 M, 339/213 R
• US Class Current: 439/405
• CPC Class Codes: H01R 12/675 with contacts having at least a slotted plate for penetration of cable insulation, e.g. insulation displacement contacts for round conductor flat cables

Abstract

A multiconductor electrical cable termination for flat ribbon cable has plural electrical contacts pierced through the cable insulation to engagement with respective conductors. The junctions of contacts and conductors are encapsulated in a base that forms an integral structure with the contacts and cable maintaining the junctions substantially free of oxygen and moisture. Plural openings in the base provide access to terminal portions of the contacts for test probing thereof, or the like, while the contacting portions of the contacts are connected to another termination, connector or the like.

Claims

1. A multiconductor electrical cable termination, comprising:

a multiconductor electrical cable including a plurality of conductors and electrical insulation about said conductors maintaining the latter electrically insulated from each other,

a plurality of electrical contacts, each including terminal means connecting at least one of said conductors directly through said electrical insulation to form an electrical junction, and contacting means on each of said contacts for electrically connecting each of said contacts to an external member placed to engagement therewith, and

a housing including base means for directly holding said contacts and said cable in relatively fixed position, said base means comprising a body integrally molded about at least a portion of each of said contacts and a portion of said cable, whereby said base means, said contacts and said cable form an integral structure.

2. A multiconductor electrical cable termination as set forth in claim 1, wherein each of said junctions is sealed in air-tight and relatively moisture-free and oxygen-free condition by at least one of said electrical insulation and said housing body.

3. A multiconductor electrical cable termination as set forth in claim 2, wherein said conductors and said electrical contacts are of dissimilar metals.

4. A multiconductor electrical cable termination as set forth in claim 2, wherein said multiconductor electrical cable comprises flat ribbon-like cable, and said housing body comprises a material that chemically bonds with said electrical insulation during molding of said body.

5. A multiconductor electrical cable termination as set forth in claim 1, wherein said terminal means comprises piercing means for piercing said electrical insulation to engage a conductor therein.

6. A multiconductor electrical cable termination as set forth in claim 5, wherein said piercing means comprises prong-like arm means for deforming such engaged conductor to enlarge the surface area of said junction.

7. A multiconductor electrical cable termination as set forth in claim 6, wherein at least one of said body and said electrical insulation fully encapsulates said junctions in fluid-tight relation.

8. A multiconductor electrical cable termination as set forth in claim 1, wherein at least one of said body and said electrical insulation fully encapsulate said junctions and said body is molded under elevated temperature and pressure conditions whereby said encapsulated junctions are substantially free of moisture and oxygen.

9. A multiconductor electrical cable termination as set forth in claim 1, wherein said body comprises a material compatible with that of said electrical insulation to bond chemically with the latter upon molding of said body under elevated temperatures and pressure conditions.

10. A multiconductor electrical cable termination as set forth in claim 1, wherein said terminal means of each electrical contact comprises at least one elongate arm of a sufficient length to extend on both sides of said electrical insulation, and said body comprises hole means for access to said elongate arms, whereby a test probe or the like can be inserted to electrical engagement with said elongate arms.

11. A multiconductor electrical cable termination as set forth in claim 10, wherein said terminal means comprises two elongate arms.

12. A multiconductor electrical cable termination as set forth in claim 11, wherein said multiconductor electrical cable comprises flat ribbon-like cable, and said terminal means comprises means for piercing said electrical insulation upon forcing one of said cable and said electrical contacts relatively together.

13. A multiconductor electrical cable termination as set forth in claim 1, wherein said housing further comprises cover means for containment of said contacting means of said electrical contacts.

14. A multiconductor electrical cable termination as set forth in claim 1, wherein said contacting means comprise fork-like arms.

15. A multiconductor electrical cable termination as set forth in claim 1, wherein said multiconductor electrical cable comprises a flat ribbon-like cable having more than three conductors therein.

16. A multiconductor electrical cable termination as set forth in claim 15, wherein said terminal means and said contacting means of each electrical contact are linearly offset with respect to each other, whereby said contacts may be relatively closely positioned in plural rows in said body while respectively connecting with each of said closely positioned conductors.

17. A multiconductor electrical cable termination as set forth in claim 15, wherein said multiconductor electrical cable has from about twenty to about fifty conductors.

18. A multiconductor electrical cable termination as set forth in claim 10, wherein said body substantially encapsulates the area of said respective electrical junctions, and said elongate arms extend beyond such encapsulated areas for exposure in said hole means.