EP0367373B1 - Connecteur de bord de carte de circuit à double usage - Google Patents

Connecteur de bord de carte de circuit à double usage Download PDF

Info

Publication number
EP0367373B1
EP0367373B1 EP89305746A EP89305746A EP0367373B1 EP 0367373 B1 EP0367373 B1 EP 0367373B1 EP 89305746 A EP89305746 A EP 89305746A EP 89305746 A EP89305746 A EP 89305746A EP 0367373 B1 EP0367373 B1 EP 0367373B1
Authority
EP
European Patent Office
Prior art keywords
card
slot
contact portions
connector
printed circuit
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.)
Expired - Lifetime
Application number
EP89305746A
Other languages
German (de)
English (en)
Other versions
EP0367373A1 (fr
Inventor
Howard Wallace Andrews, Jr.
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.)
Whitaker LLC
Original Assignee
Whitaker LLC
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
Priority claimed from US07/339,910 external-priority patent/US4869672A/en
Application filed by Whitaker LLC filed Critical Whitaker LLC
Publication of EP0367373A1 publication Critical patent/EP0367373A1/fr
Application granted granted Critical
Publication of EP0367373B1 publication Critical patent/EP0367373B1/fr
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
    • H01R12/52—Fixed connections for rigid printed circuits or like structures connecting to other rigid printed circuits or like structures
    • 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
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
    • H01R12/721—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures cooperating directly with the edge of the rigid printed circuits
    • 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
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures

Definitions

  • the invention disclosed herein relates to card edge connectors for electrically connecting circuits on a printed circuit card to circuits on a printed circuit board or back plane.
  • Known edge card connectors e.g., US-A-4,636,021, are constructed to receive circuit cards having conductive traces or pads on a given center-line spacing; e.g., 1.27 mm (0.050 inches) between adjacent pads.
  • a card having a different spacing could not be accepted therein.
  • the present invention consists in a dual-purpose card edge connector for use with either of two printed circuit cards having conductive pads disposed thereon in two different spatial patterns, respectively, said connector comprising an elongated dielectric housing having an outwardly open card edge receiving slot extending longitudinally thereof, conductive contact elements disposed within the housing and extending alongside the slot and having contact portions thereon projecting into the slot at higher and lower levels, keying means in the slot for engaging with cooperating keying means on each card so that the card is inserted into the slot in a predetermined orientation foe engagement with contact portions of the contact elements, and one or more card positioning means within the slot for engaging with cooperating positioning means on each card subsequent to interengagement of the keying means, whereby the card positioning means controls the depth of insertion into the slot of each circuit card and, hence, the engagement of the conductive pads on the card with the contact portions of the contact elements.
  • the invention also consists in a dual-purpose card edge connector assembly comprising a connector including an elongated dielectric housing having an outwardly open card edge receiving slot extending longitudinally thereof, and conductive contact elements disposed within the housing and extending alongside the slot and having contact portions thereon projecting into the slot at different levels, and a printed circuit card having conductive pads engageable with contact portions of the conductive contact elements, said printed circuit card having said conductive pads arranged thereon in a predetermined spatial pattern, and contact portions of predetermined contact elements of the connector having a corresponding spatial pattern for engaging the contact pads of the card when the card is disposed in the slot at a selected level, the contact portions of the remaining contact elements thereupon being isolated from the conductive pads on the card, and said connector having one or more card positioning means in the slot engaged with cooperating positioning means of the card and positioning the card at the selected level.
  • the invention further consists in the use of one embodiment of the card edge connector with either of two printed circuit cards having conductive pads or traces of different centerline spacing.
  • card edge connector 10 constructed in accordance with the present invention, is capable of receiving either printed circuit card 12, having closely-spaced conductive pads 14; e.g., pads 14 being on 1.27 mm (0.050 inch) center-line spacing, or card 16 having pads 18 on a less-dense spacing; e.g., 2.54 mm (0.100 inches).
  • Connector 10 as more clearly shown in Figure 2, includes an elongated, dielectric housing 20 having a card-edge receiving slot 22 and a plurality of conductive contact elements 24, 26.
  • Contact elements 24, 26 are respectively located in cavities 28, 30 which preferably border both sides of slot 22 and which open thereinto. As shown, cavities 28 alternate with cavities 30.
  • card positioning members 34 spaced along floor 32 of slot 22 and extending upwardly therefrom are card positioning members 34 (only one is shown in Figure 2). Additionally, transverse keying walls 36 ( Figures 1 and 5) are provided in slot 22 to insure that cards 12 and 16 are inserted thereinto in the proper orientation and registration.
  • cavities 28 include pre-loading bar 38 extending thereacross adjacent the top thereof. Further, passages 40, located near the center of housing 20, extend therethrough, opening into cavities 28 and onto the housing's bottom surface 42. Contacts 24 are positioned in cavities 28 with free ends 44 bearing against bars 38 and leads 46 extending outwardly from surface 42 of housing 20 through passages 40. Further, contact portions 48 on resilient beams 50 project into slot 22 near top surface 52 of housing 20.
  • cavities 30 open only into the lower half of slot 22 with walls 54 closing off access to the upper half.
  • Passages 56, adjacent side walls 58, extend through housing 20, opening into cavities 30 and onto bottom surface 42.
  • Contacts 26 are positioned in cavities 30 with upper portions 60 on reversely bent resilient beams 62 being preloaded by free ends 64 of walls 54 and contact portions 66 adjacent free ends 68 of beams 62 projecting into the lower half of slot 22; i.e., below walls 54.
  • Leads 70 extend outwardly from surface 42 of housing 20 through passages 56.
  • contact portions 48 on elements 24, alternating with contact portions 66 on elements 26, project into the upper half or upper level of slot 22 while contact portions 66 project into the lower half or lower level of slot 22.
  • Both contact elements 24, 26 are stamped and formed from a suitable conductive material; e.g., beryllium copper or phosphor bronze.
  • Figure 5 shows card 12 positioned above connector 10.
  • Pads 14 include pads 14a which are adjacent card edge 72 and pads 14b which are located interiorly from edge 72. Further spaced notches 74 are provided in edge 72 with the spacing of positioning members 34 in slot 22. Keying notches 76 are provided to cooperate with keying walls 36. As card 12 is inserted into slot 22, notches 74 receive positioning members 34 so that card edge 72 abuts slot floor 32. Accordingly, and as shown in Figure 6, contact portions 48 on elements 24 engage pads 14b and contact portions 66 engage pads 14a adjacent card edge 72; ie., in the lower half of slot 22.
  • Figure 7 shows card 16 positioned above connector 10.
  • Pads 18 are adjacent card edge 78.
  • Keying notches 76 in edge 78 are provided to cooperate with keying walls 36 in slot 22.
  • edge 78 abuts positioning members 34 to position card 16 in the upper half thereof. Accordingly, as shown in Figure 8, only contact portions 48 on contact elements 24 engage pads 18 on card 16.
  • positioning members 34 are shown as transverse walls extending upwardly from slot floor 32.
  • equivalent positioning members can take other forms; e.g., pins crossing slot 22 at the appropriate height.
  • the profile of slot 22 can be tailored to accept different cards of different thicknesses so that, for example, a thin card would go to the floor while a thicker card would be stopped above the floor.
  • a card edge connector which can accept, without modification, printed circuit cards having conductive pads on one center-line spacing or other circuit cards having conductive pads on another center-line spacing.
  • the connector includes conductive contact elements positioned along a card edge-receiving slot and having contact portions thereon projecting into the slot at alternatingly high and low levels. Further, positioning members in the slot cooperate with the cards such that cards having notches along the edge thereof are permitted to slide past the positioning members so that the pads thereon are engaged by the contact portions at both levels. Alternatively, a card without notches is prevented by the positioning members from entering the slot too far so that the conductive pads thereon are engaged only to the upper level contact portions.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)

Claims (11)

  1. Connecteur (10) de carte enfichable à double usage destiné à être utilisé avec chacune de deux cartes à circuits imprimés (12, 16) sur lesquelles des plots conducteurs (14, 18) sont disposés dans deux configurations spatiales différentes, respectivement, ledit connecteur comportant un boîtier diélectrique allongé (20) présentant une fente (22), s'ouvrant vers l'extérieur, de réception d'une carte enfichable, s'étendant longitudinalement à ce boîtier, des éléments de contact conducteurs (24, 26) disposés à l'intérieur du boîtier, s'étendant le long de la fente et portant des parties de contact (48, 66) faisant saillie dans la fente à des niveaux supérieur et inférieur, des moyens de détrompage (36) situés dans la fente et destinés à s'enclencher avec des moyens de détrompage coopérants (76) sur chaque carte (12, 16) afin que la carte soit insérée dans la fente dans une orientation prédéterminée pour porter contre des parties de contact (48, 66) des éléments de contact (24, 26), et un ou plusieurs moyens (34) de positionnement de carte à l'intérieur de la fente destinés à s'enclencher avec des moyens de positionnement coopérants (74, 78) sur chaque carte à la suite de l'enclenchement mutuel des moyens de détrompage, grâce à quoi les moyens de positionnement de carte commandent la profondeur d'insertion dans la fente de chaque carte à circuit et donc l'entrée en contact des plots conducteurs (14, 18) portés par la carte avec les parties de contact des éléments de contact.
  2. Connecteur selon la revendication 1, dans lequel les moyens de positionnement de carte comprennent au moins un élément (34) de positionnement de carte s'étendant au moins partiellement à travers la fente (22).
  3. Connecteur selon la revendication 2, dans lequel le ou chaque élément de positionnement de carte comporte une paroi transversale (34) s'élevant dans la fente (22) pour coopérer avec une encoche (74) dans un bord (78) de l'une (12) des cartes à circuits imprimés afin de permettre à cette dernière d'être positionnée dans la fente à un niveau inférieur auquel les plots conducteurs (14a) situés sur la carte portent contre les parties de contact (66) au niveau inférieur.
  4. Connecteur selon la revendication 3, dans lequel la surface supérieure de la paroi transversale (34) est disposée entre les niveaux supérieur et inférieur des parties de contact (48, 66) de manière que l'autre carte (16) à circuit imprimé bute contre elle lorsqu'elle est insérée dans la fente (22).
  5. Connecteur selon la revendication 1, 2, 3 ou 4, dans lequel les parties de contact (48, 66) sont disposées alternativement aux niveaux supérieur et inférieur.
  6. Utilisation du connecteur selon la revendication 2, avec chacune desdites deux cartes alternées (16, 12) à circuits imprimés, dans laquelle une carte (12) présente au moins une encoche (74) positionnée pour recevoir un élément respectif (34) de positionnement de carte, et l'autre carte (16) est configurée de façon à buter contre ledit ou chaque élément (34) de positionnement de carte.
  7. Assemblage d'un connecteur de carte enfichable à double usage comportant un connecteur (10) comprenant un boîtier diélectrique allongé (20) présentant une fente (22), ouverte vers l'extérieur, de réception d'une carte enfichable s'étendant longitudinalement à ce boîtier, et des éléments de contacts conducteurs (24, 26) disposés à l'intérieur du boîtier, s'étendant le long de la fente et portant des parties de contact (48, 66) faisant saillie dans la fente à des niveaux différents, et une carte (16) à circuit imprimé ayant des plots conducteurs (18) pouvant porter contre des parties de contact des éléments de contact conducteurs (24, 26), ladite carte (16) à circuit imprimé ayant lesdits plots conducteurs (18) agencés sur elle dans une configuration spatiale prédéterminée, et des parties de contact (48) d'éléments de contact prédéterminés (24) du connecteur (10) ayant une configuration spatiale correspondante pour porter contre les plots de contact (18) de la carte lorsque la carte est disposée dans la fente (22) à un niveau choisi, les parties de contact (66) des éléments de contact restants (26) étant alors isolées des plots conducteurs situés sur la carte, et ledit connecteur (10) ayant un ou plusieurs moyens (34) de positionnement de carte dans la fente (22), enclenchés avec des moyens de positionnement coopérants (78) de la carte et positionnant la carte au niveau choisi.
  8. Assemblage de connecteur selon la revendication 7, dans lequel les moyens de positionnement de carte comprennent au moins un élément (34) de positionnement de carte s'étendant au moins partiellement à travers la fente (22) et empêchant la carte (16) à circuit imprimé d'entrer dans la fente au-delà du niveau choisi.
  9. Assemblage de connecteur selon la revendication 8, dans lequel le ou chaque élément de positionnement de carte comporte une paroi transversale (34) s'élevant dans la fente (22) et butant contre le bord inséré (78) de la carte (16) à circuit imprimé.
  10. Assemblage de connecteur selon la revendication 7, 8 ou 9, dans lequel les parties de contact (48, 66) des éléments de contact (24, 26) sont disposées alternativement à des niveaux supérieur et inférieur le long de la fente (22).
  11. Assemblage de connecteur selon la revendication 7, 8, 9 ou 10, et carte à circuit imprimé (12) de remplacement pour la première carte à circuit imprimé citée (16), ladite carte de remplacement (12) ayant des plots conducteurs (14) agencés sur elle dans une configuration spéciale prédéterminée différente de celle de la première carte (16) et correspondant au moins à la configuration spatiale des parties de contact (48) des éléments de contact restants (26), et ladite carte de remplacement ayant des moyens de positionnement (74) qui coopèrent avec les moyens (34) de positionnement de carte dans la fente (22) pour permettre à la carte de remplacement d'être insérée dans la fente à un niveau auquel les parties de contact (66) des éléments de contact restants (26) portent contre des plots conducteurs sur la carte de remplacement.
EP89305746A 1988-11-04 1989-06-07 Connecteur de bord de carte de circuit à double usage Expired - Lifetime EP0367373B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US26719988A 1988-11-04 1988-11-04
US267199 1988-11-04
US07/339,910 US4869672A (en) 1989-04-17 1989-04-17 Dual purpose card edge connector
US339910 1989-04-17

Publications (2)

Publication Number Publication Date
EP0367373A1 EP0367373A1 (fr) 1990-05-09
EP0367373B1 true EP0367373B1 (fr) 1995-09-06

Family

ID=26952289

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89305746A Expired - Lifetime EP0367373B1 (fr) 1988-11-04 1989-06-07 Connecteur de bord de carte de circuit à double usage

Country Status (5)

Country Link
EP (1) EP0367373B1 (fr)
JP (1) JPH0748393B2 (fr)
KR (1) KR940004194B1 (fr)
DE (1) DE68924126T2 (fr)
ES (1) ES2076209T3 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4934961A (en) * 1988-12-21 1990-06-19 Burndy Corporation Bi-level card edge connector and method of making the same
US5013264A (en) * 1989-09-25 1991-05-07 Robinson Nugent, Inc. Edge card connector having preloaded contacts
US5163847A (en) * 1991-08-05 1992-11-17 Molex Incorporated Card edge connector assembly
JPH0660082U (ja) * 1993-01-26 1994-08-19 ミツミ電機株式会社 配線基板接続構造
DE9313402U1 (de) * 1993-09-06 1995-01-12 Wieland Elektrische Industrie Leiterplatte
GB2414347A (en) * 2004-05-20 2005-11-23 Agilent Technologies Inc Connector for receiving two different counterparts
US9458349B2 (en) 2007-05-11 2016-10-04 Georgia-Pacific Chemicals Llc Phenol-formaldehyde novolac resin having low concentration of free phenol
JP2009178367A (ja) * 2008-01-31 2009-08-13 Sumitomo Electric Ind Ltd バイオセンサ測定装置
JP2011142046A (ja) * 2010-01-08 2011-07-21 D D K Ltd コネクタ

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3614714A (en) * 1969-11-21 1971-10-19 Rca Corp Edge connector with polarizing member

Also Published As

Publication number Publication date
JPH0748393B2 (ja) 1995-05-24
DE68924126T2 (de) 1996-05-09
JPH02199784A (ja) 1990-08-08
ES2076209T3 (es) 1995-11-01
EP0367373A1 (fr) 1990-05-09
DE68924126D1 (de) 1995-10-12
KR940004194B1 (ko) 1994-05-16
KR900008726A (ko) 1990-06-04

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