EP0124767A2 - Broche pouvant se déformer - Google Patents

Broche pouvant se déformer Download PDF

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Publication number
EP0124767A2
EP0124767A2 EP84103700A EP84103700A EP0124767A2 EP 0124767 A2 EP0124767 A2 EP 0124767A2 EP 84103700 A EP84103700 A EP 84103700A EP 84103700 A EP84103700 A EP 84103700A EP 0124767 A2 EP0124767 A2 EP 0124767A2
Authority
EP
European Patent Office
Prior art keywords
compliant
pin
region
circuit board
hole
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.)
Withdrawn
Application number
EP84103700A
Other languages
German (de)
English (en)
Other versions
EP0124767A3 (fr
Inventor
Leo Walter
Charles E. Ring
Bryan R. Seppala
Patrick M. Kennelly
James P. Marnie
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.)
BMC Industries Inc
Original Assignee
BMC Industries Inc
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 BMC Industries Inc filed Critical BMC Industries Inc
Publication of EP0124767A2 publication Critical patent/EP0124767A2/fr
Publication of EP0124767A3 publication Critical patent/EP0124767A3/fr
Withdrawn legal-status Critical Current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

  • a compliant pin that does not damage the side walls of the circuit board hole during insertion of the pin into the hole. That is, insertion of the compliant pin should not physically damage the side walls of the hole since a rupture of the side walls of the hole may lead to eventual failure of the low resistance connection between the pin and the side walls of the hole. Yet the compliant pin should be held sufficiently tight so as not to be easily withdrawn. In addition, the compliant pin should be able to withstand vibration forces without breakages. Unfortunately, it has been found that some prior art compliant pins that can withstand vibration forces damage the hole during insertion of the pin in the circuit board. Still other prior art compliant pins that do not damage the hole during insertion of the pin into the circuit board are not capable of withstanding vibration forces.
  • the invention comprises a compliant pin having a transition zone and a compliant region with the transition zone characterized by a compliant region extending into the transition zone so that upon insertion of the compliant pin into an opening in a circuit board the opening in the circuit board is required to partially expand before the compliant region begins to compress from contact with the side walls of the opening in the circuit board.
  • a contact or connector pin 10 is shown to comprise an axially elongated flat member 12.
  • Member 12 includes a first section 12a, a wire wrap post section 12b, an intermediate compliant section 12c, a step shoulder section 12d which joins sections 12a and 12b.
  • Sections 12a and 12b are shown in Fig. 1 to have the same width, which is less than the width of compliant section 12c.
  • Located in compliant section 12c is a transition zone 100 which physically engages the hole side walls in a circuit board prior to the hole side walls engaging the compliant region in compliant section 12c.
  • Fig. 1 shows that during stamping formation of pin 10 the opposite ends of pin 10 may be joined to elongated holding strips lla and lib by-narrowed break-off connections 110 and 111.
  • Pin 10 is also preferably provided with radiused surfaces at the juncture of the outer plane surfaces on pin 10. That is, the radiused surface juncture of the compliant region are indicated by reference numerals 122, 123, 124, 125, 126 and 127. It is believed that in regions in which pin 10 goes from one dimension to another the juncture of the surfaces should be smooth and radiused rather than abrupt since abrupt surfaces may provide a starting place for pin breakage when the pin is subjected to vibration.

Landscapes

  • Multi-Conductor Connections (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
EP84103700A 1983-04-07 1984-04-04 Broche pouvant se déformer Withdrawn EP0124767A3 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US48091883A 1983-04-07 1983-04-07
US480918 1983-04-07
US52626283A 1983-08-25 1983-08-25
US526262 1990-05-21

Publications (2)

Publication Number Publication Date
EP0124767A2 true EP0124767A2 (fr) 1984-11-14
EP0124767A3 EP0124767A3 (fr) 1986-12-03

Family

ID=27046762

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84103700A Withdrawn EP0124767A3 (fr) 1983-04-07 1984-04-04 Broche pouvant se déformer

Country Status (1)

Country Link
EP (1) EP0124767A3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4691979A (en) * 1983-08-04 1987-09-08 Manda R & D Compliant press-fit electrical contact
EP0492017A1 (fr) * 1990-12-31 1992-07-01 Zierick Manufacturing Corporation Connecteur terminal à broche frangible pour le montage et méthode de sa fabrication

Citations (8)

* 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
US4223970A (en) * 1979-02-26 1980-09-23 Electronics Stamping Corporation Compliant backplane electrical connector
US4274699A (en) * 1978-04-27 1981-06-23 E. I. Du Pont De Nemours And Company Press fit terminal with spring arm contact for edgecard connector
DE8105896U1 (de) * 1981-03-02 1982-04-08 Presskon Gesellschaft für elektronische Bauelemente mbH, 7110 Öhringen Einpreßstift zum Herstellen einer lötfreien Verbindung
EP0084318A2 (fr) * 1982-01-19 1983-07-27 Allied Corporation Broche à insertion
EP0089491A2 (fr) * 1982-03-20 1983-09-28 HARTING ELEKTRONIK GmbH Elément de contact en forme de fiche pour montage dans les trous de perçage d'une carte à circuits
EP0092150A2 (fr) * 1982-04-16 1983-10-26 Buckbee-Mears Company Connecteur électrique pouvant se déformer
US4415220A (en) * 1981-05-29 1983-11-15 Bell Telephone Laboratories, Incorporated Compliant contact pin

Patent Citations (8)

* 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
US4274699A (en) * 1978-04-27 1981-06-23 E. I. Du Pont De Nemours And Company Press fit terminal with spring arm contact for edgecard connector
US4223970A (en) * 1979-02-26 1980-09-23 Electronics Stamping Corporation Compliant backplane electrical connector
DE8105896U1 (de) * 1981-03-02 1982-04-08 Presskon Gesellschaft für elektronische Bauelemente mbH, 7110 Öhringen Einpreßstift zum Herstellen einer lötfreien Verbindung
US4415220A (en) * 1981-05-29 1983-11-15 Bell Telephone Laboratories, Incorporated Compliant contact pin
EP0084318A2 (fr) * 1982-01-19 1983-07-27 Allied Corporation Broche à insertion
EP0089491A2 (fr) * 1982-03-20 1983-09-28 HARTING ELEKTRONIK GmbH Elément de contact en forme de fiche pour montage dans les trous de perçage d'une carte à circuits
EP0092150A2 (fr) * 1982-04-16 1983-10-26 Buckbee-Mears Company Connecteur électrique pouvant se déformer

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEW ELECTRONICS, vol. 15, no. 2, January 1982, pages 96-105, London, GB; C.M. SEVERIJN: "State of the art interconnection: Press-fit automation" *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4691979A (en) * 1983-08-04 1987-09-08 Manda R & D Compliant press-fit electrical contact
EP0492017A1 (fr) * 1990-12-31 1992-07-01 Zierick Manufacturing Corporation Connecteur terminal à broche frangible pour le montage et méthode de sa fabrication

Also Published As

Publication number Publication date
EP0124767A3 (fr) 1986-12-03

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Owner name: BMC INDUSTRIES, INC.

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Effective date: 19871211

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18D Application deemed to be withdrawn

Effective date: 19880422

RIN1 Information on inventor provided before grant (corrected)

Inventor name: SEPPALA, BRYAN R.

Inventor name: RING, CHARLES E.

Inventor name: MARNIE, JAMES P.

Inventor name: WALTER, LEO

Inventor name: KENNELLY, PATRICK M.