EP0320629A1 - Elektrischer Kontaktstift mit biegsamem Abschnitt und dessen Anwendung mit einer Leiterplatte - Google Patents

Elektrischer Kontaktstift mit biegsamem Abschnitt und dessen Anwendung mit einer Leiterplatte Download PDF

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Publication number
EP0320629A1
EP0320629A1 EP88118968A EP88118968A EP0320629A1 EP 0320629 A1 EP0320629 A1 EP 0320629A1 EP 88118968 A EP88118968 A EP 88118968A EP 88118968 A EP88118968 A EP 88118968A EP 0320629 A1 EP0320629 A1 EP 0320629A1
Authority
EP
European Patent Office
Prior art keywords
electrical contact
bight
aperture
printed circuit
joined
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP88118968A
Other languages
English (en)
French (fr)
Other versions
EP0320629B1 (de
Inventor
Robert V. Barnhart
Rhonda L. Nemcovsky
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Osram Sylvania Inc
Original Assignee
GTE Products Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by GTE Products Corp filed Critical GTE Products Corp
Publication of EP0320629A1 publication Critical patent/EP0320629A1/de
Application granted granted Critical
Publication of EP0320629B1 publication Critical patent/EP0320629B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/51—Fixed connections for rigid printed circuits or like structures
    • H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
    • H01R12/58—Fixed connections for rigid printed circuits or like structures characterised by the terminals terminals for insertion into holes
    • H01R12/585—Terminals having a press fit or a compliant portion and a shank passing through a hole in the printed circuit board

Definitions

  • This invention relates to electrical connectors and more particularly to such connectors having a compliant section. Still more particularly, it relates to such connectors for insertion into plated through holes in printed circuit boards.
  • Yet another object of the invention is the provision of an electrical connector for PTH's which achieves the above objects and, additionally, provides ease of insertion and removal with minimal plating damage.
  • an electrical contact which has a compliant portion which is substantially "C” shaped in cross-section.
  • the "C" shape is formed from opposing arms which extend from a joined bight.
  • the arms have a substantially uniform, given thickness along a major part of their length.
  • the joined bight has a thickness less than the given thickness.
  • This thinner, or relieved section allows for more deflection of the arms. As the ends deflect, so does the thinner relieved area of the bight.
  • the contact can be formed by standard stamping and swaging techniques at a competitive cost.
  • Fig. 1 an electrical contact 10 having a body 12 with a longitudinal axis 14.
  • First portion 16 and second portion 18 are separated by and connected to a compliant portion 20.
  • the compliant portion 20 has a generally "C" shaped cross-section, more clearly seen in Fig. 2, which is formed from opposed arms 22 and 24 which extend from a joined bight 26.
  • the arms 22 and 24 have a given, substantially uniform thickness, which can be, e.g., .008-009 inches, for a major part of their length.
  • the free ends 28 of the arms can be radiused or beveled, as shown.
  • the joined bight 26 has a thickness which is less than the thickness of the arms, e.g., about 0.001-003 ⁇ less, thus providing more evenly distributed stresses about the plated-through-hole or aperture 30 in the printed circuit board 32.
  • the aperture 30 can have an electrically conductive coating 33 thereon. This more even distribution of forces contributes to less hole deformation and, therefore, less accumulated stresses in the printed circuit board, which causes less warpage.
  • this configuration provides greater contact surface area to the aperture 30 because the thinner portion of the bight more readily conforms to the aperture.
  • the contact can be made by stamping from sheet stock of phos-bronze having a thickness of .020 ⁇ .
  • the bight can be thinned by coining or swaging to a thickness of about 0.001 ⁇ less than the arms .
  • the "C" section When the "C" section is formed it typically will have a diameter of 0.046 ⁇ .001 ⁇ and will be received within apertures having diameters of from 0.037 ⁇ to 0.043 ⁇ .

Landscapes

  • Multi-Conductor Connections (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
EP19880118968 1987-12-16 1988-11-14 Elektrischer Kontaktstift mit biegsamem Abschnitt und dessen Anwendung mit einer Leiterplatte Expired - Lifetime EP0320629B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13385187A 1987-12-16 1987-12-16
US133851 1987-12-16

Publications (2)

Publication Number Publication Date
EP0320629A1 true EP0320629A1 (de) 1989-06-21
EP0320629B1 EP0320629B1 (de) 1994-06-08

Family

ID=22460587

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19880118968 Expired - Lifetime EP0320629B1 (de) 1987-12-16 1988-11-14 Elektrischer Kontaktstift mit biegsamem Abschnitt und dessen Anwendung mit einer Leiterplatte

Country Status (3)

Country Link
EP (1) EP0320629B1 (de)
JP (1) JPH02139877A (de)
DE (1) DE3850065T2 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6074249A (en) * 1997-11-18 2000-06-13 The Whitaker Corporation Miniature boardlock for an electrical connector
US6454601B1 (en) 2001-06-27 2002-09-24 Andrew Corporation Connector for coaxial cables

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4841088B2 (ja) * 2001-09-27 2011-12-21 東芝エレベータ株式会社 エレベータ装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4017143A (en) * 1975-12-16 1977-04-12 Litton Systems, Inc. Solderless electrical contact
US4076356A (en) * 1976-10-18 1978-02-28 Bell Telephone Laboratories, Incorporated Interconnection pin for multilayer printed circuit boards
DE2937883A1 (de) * 1979-09-19 1981-04-16 Siemens AG, 1000 Berlin und 8000 München Anschlussstift fuer loetfreie anschlusstechniken
DE3220781A1 (de) * 1982-06-02 1983-12-08 Harting Elektronik Gmbh, 4992 Espelkamp Kontaktelement zur loetfreien befestigung in leiterplatten-bohrungen
EP0208500A1 (de) * 1985-07-01 1987-01-14 BICC Public Limited Company Elektrischer Kontakt

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4017143A (en) * 1975-12-16 1977-04-12 Litton Systems, Inc. Solderless electrical contact
US4076356A (en) * 1976-10-18 1978-02-28 Bell Telephone Laboratories, Incorporated Interconnection pin for multilayer printed circuit boards
DE2937883A1 (de) * 1979-09-19 1981-04-16 Siemens AG, 1000 Berlin und 8000 München Anschlussstift fuer loetfreie anschlusstechniken
DE3220781A1 (de) * 1982-06-02 1983-12-08 Harting Elektronik Gmbh, 4992 Espelkamp Kontaktelement zur loetfreien befestigung in leiterplatten-bohrungen
EP0208500A1 (de) * 1985-07-01 1987-01-14 BICC Public Limited Company Elektrischer Kontakt

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6074249A (en) * 1997-11-18 2000-06-13 The Whitaker Corporation Miniature boardlock for an electrical connector
US6454601B1 (en) 2001-06-27 2002-09-24 Andrew Corporation Connector for coaxial cables

Also Published As

Publication number Publication date
JPH02139877A (ja) 1990-05-29
DE3850065D1 (de) 1994-07-14
DE3850065T2 (de) 1994-09-29
EP0320629B1 (de) 1994-06-08

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