EP0042692B1 - Circuit board edge connector - Google Patents
Circuit board edge connector Download PDFInfo
- Publication number
- EP0042692B1 EP0042692B1 EP81302566A EP81302566A EP0042692B1 EP 0042692 B1 EP0042692 B1 EP 0042692B1 EP 81302566 A EP81302566 A EP 81302566A EP 81302566 A EP81302566 A EP 81302566A EP 0042692 B1 EP0042692 B1 EP 0042692B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- base
- tool
- offset
- cavity
- terminal
- 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
Links
Images
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
-
- 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
- H01R12/73—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures connecting to other rigid printed circuits or like structures
- H01R12/735—Printed circuits including an angle between each other
- H01R12/737—Printed circuits being substantially perpendicular to each other
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
- H01R13/405—Securing in non-demountable manner, e.g. moulding, riveting
- H01R13/41—Securing in non-demountable manner, e.g. moulding, riveting by frictional grip in grommet, panel or base
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
Definitions
- circuit board edge connector comprising an insulating housing defining an elongate cavity for receiving a daughter circuit board, the cavity having a base, a pair of parallel rows of passages extending through the base and communicating with the cavity on opposite sides thereof, and a plurality of electrical terminals each mounted in a respective passage and each having a mating portion in the cavity, a laterally offset portion adjacent the inner face of the base, and a connecting tail located beyond the outer face of the base and being laterally offset, by virtue of the offset portion, from the mating portion.
- an electrical terminal provided with an enlarged laterally resilient mounting portion adapted to be force fitted into an internally metallically plated hole in a circuit board to make permanent electrical contact with the internal plating of the hole.
- Such mounting portions are usually provided only on rectilinear pin or post terminals, in view of the high insertion force required to drive the mounting portions into the holes.
- US-A-4 089 581 discloses a circuit board edge connector comprising an insulating housing defining an elongate cavity for receiving a daughter circuit board, the cavity having a base, a pair of parallel rows of passages extending through the base and communicating with the cavity on opposite sides thereof, and a plurality of terminals each mounted in a respective passage and each having a mating portion in the cavity, a laterally offset portion adjacent to an inner face of the base, and a connecting tail located beyond the outer face of the base, the connector being arranged in combination with a tool and a mother circuit board having a row of internally plated holes, each mating portion being spaced from that wall of the cavity which is adjacent the mating portion to permit insertion of a respective tool member between the wall and the mating portion to engage the offset portion of the terminal, each terminal being provided between its connecting tail and the outer face of the base with an enlarged laterally resilient mounting portion adapted to be force fitted into a respective hole in the mother board by driving the tool against the offset portion, the number and arrangement of the
- the present invention is concerned with connectors having mounting sections adapted to make permanent or semi-permanent connections by effecting deformation of the holes and the hole plating on insertion and by means of resilient deformation exhibiting substantial stored energy to maintain good connection in a working environment.
- Such mounting sections as disclosed in US-A-4 1 86 982 require substantial insertion forces, and it is an object to provide such a connector in which the relevant high forces can be applied whilst minimising risk of damage to the connector, the terminals and the board.
- a circuit board edge connector comprising an insulating housing defining an elongate cavity for receiving a daughter circuit board, the cavity having a base, a pair of parallel rows of passages extending through the base and communicating with the cavity on opposite sides thereof, and a plurality of terminals each mounted in a respective passage and each having a mating portion in the cavity, a laterally offset portion adjacent an inner face of the base, and a connecting tail located beyond the outer face of the base, the connector being arranged in combination with a tool and a mother circuit board having a row of internally plated holes, each mating portion being spaced from that wall of the cavity which is adjacent the mating portion to permit insertion of a respective tool member between the wall and the mating portion to engage the offset portion of the terminal, each terminal being provided between its connecting tail and the outer face of the base with an enlarged laterally resilient mounting portion adapted to be force fitted into a respective hole in the mother board by driving the tool against the offset portion, the number and arrangement of the holes corresponding to the number and arrangement
- a circuit board edge connector 10 comprises a rigid insulating housing 12 of plastics material, having a slot 14 opening into a mating face 16 of the housing along substantially its full length, for receiving a daughter circuit board (not shown).
- the housing 12 has a base 26 ( Figures 2 and 3) through which extend passages 22 each communicating with one of the recesses 18.
- Mounting flanges 28 are provided at the ends of the housing 12.
- Each of electrical terminals 32 in the housing 12 comprises a mating portion in the form of a cantilever contact blade 34 for engaging the daughter circuit board, an intermediate offset portion 36 providing a shoulder, an enlarged resilient mounting portion 38 connected to the portion 36 by a rectilinear shank 37 extending substantially parallel to the mating portion 34 and a connecting tail 40 extending from the portion 38.
- Each terminal 32 is mounted in one of the recesses 18, with its shank 37 extending through the corresponding passage 22, the mounting portion 38 of the terminal lying beyond the outer face 41 of the base 26 of the housing 12 and the portion 36 engaging the inner face 39 of the base 26.
- the board 44 In order to mount the connector 10 on a mother circuit board 44 having internally metallically plated holes 42 therein, corresponding in spacing and arrangement to the connecting tails 40, the board 44 is positioned on a tool base 46, having spaced longitudinal grooves 48 therein, so that each hole 42 is aligned with one of these grooves.
- the connector 10 is then aligned with the base 46 and is moved theretowards to insert each tail 40 of each terminal 32 through a respective hole 42 into the groove 48 aligned therewith, the portion 38 of the terminal resting on the plating of the hole 42, as shown in Figure 2.
- a terminal driving tool 52 has legs 54, each leg 54 terminating in a shoulder 58 shaped snugly to engage the portion 36 of the corresponding terminal 32.
- Each mating portion 34 is spaced from the adjacent wall 19 to permit the insertion of one of the legs 54 between the portion 34 and the adjacent wall 19.
- Each mounting portion 38,_ which may be formed according to the teaching of US-A-4,186,982, comprises a pair of legs 60 joined at their ends and having surfaces which face and abut one another in a shear plane between the legs and with respect to which the legs are mutually laterally offset.
- the legs 60 are compressed resiliently towards one another as the portion 38 is forced into the hole 42, in mutually contiguous frictional relationship.
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
- Manufacturing Of Electrical Connectors (AREA)
Description
- We have described in US-A-3 397 381 and DE-Al-1 590 006 a circuit board edge connector comprising an insulating housing defining an elongate cavity for receiving a daughter circuit board, the cavity having a base, a pair of parallel rows of passages extending through the base and communicating with the cavity on opposite sides thereof, and a plurality of electrical terminals each mounted in a respective passage and each having a mating portion in the cavity, a laterally offset portion adjacent the inner face of the base, and a connecting tail located beyond the outer face of the base and being laterally offset, by virtue of the offset portion, from the mating portion.
- We have also described in US-A-4 186 982, an electrical terminal provided with an enlarged laterally resilient mounting portion adapted to be force fitted into an internally metallically plated hole in a circuit board to make permanent electrical contact with the internal plating of the hole. Such mounting portions are usually provided only on rectilinear pin or post terminals, in view of the high insertion force required to drive the mounting portions into the holes.
- US-A-4 089 581 discloses a circuit board edge connector comprising an insulating housing defining an elongate cavity for receiving a daughter circuit board, the cavity having a base, a pair of parallel rows of passages extending through the base and communicating with the cavity on opposite sides thereof, and a plurality of terminals each mounted in a respective passage and each having a mating portion in the cavity, a laterally offset portion adjacent to an inner face of the base, and a connecting tail located beyond the outer face of the base, the connector being arranged in combination with a tool and a mother circuit board having a row of internally plated holes, each mating portion being spaced from that wall of the cavity which is adjacent the mating portion to permit insertion of a respective tool member between the wall and the mating portion to engage the offset portion of the terminal, each terminal being provided between its connecting tail and the outer face of the base with an enlarged laterally resilient mounting portion adapted to be force fitted into a respective hole in the mother board by driving the tool against the offset portion, the number and arrangement of the holes corresponding to the number and arrangement of the connecting tails, whereby the connector is mounted on the board by inserting each tail through a respective hole, inserting the tool in the cavity to engage the offset portions and applying an axial force to the tool to drive the mounting portions into the holes of the board. The resilient mounting sections of the terminals are adapted for facile insertion into and removed from the holes in the mother board without mechanical deformation of the holes.
- The general state of the art is further exemplified by US-A-3 348 191, US-A-3 601 782 and US-A-3 725 842.
- The present invention is concerned with connectors having mounting sections adapted to make permanent or semi-permanent connections by effecting deformation of the holes and the hole plating on insertion and by means of resilient deformation exhibiting substantial stored energy to maintain good connection in a working environment. Such mounting sections as disclosed in US-A-4 1 86 982 require substantial insertion forces, and it is an object to provide such a connector in which the relevant high forces can be applied whilst minimising risk of damage to the connector, the terminals and the board.
- According to the invention a circuit board edge connector comprising an insulating housing defining an elongate cavity for receiving a daughter circuit board, the cavity having a base, a pair of parallel rows of passages extending through the base and communicating with the cavity on opposite sides thereof, and a plurality of terminals each mounted in a respective passage and each having a mating portion in the cavity, a laterally offset portion adjacent an inner face of the base, and a connecting tail located beyond the outer face of the base, the connector being arranged in combination with a tool and a mother circuit board having a row of internally plated holes, each mating portion being spaced from that wall of the cavity which is adjacent the mating portion to permit insertion of a respective tool member between the wall and the mating portion to engage the offset portion of the terminal, each terminal being provided between its connecting tail and the outer face of the base with an enlarged laterally resilient mounting portion adapted to be force fitted into a respective hole in the mother board by driving the tool against the offset portion, the number and arrangement of the holes corresponding to the number and arrangement of the connecting tails, whereby the connector is mounted on the board by inserting each tail through a respective hole, inserting the tool in the cavity to engage the offset portions and applying an axial force to the tool to drive the mounting portions into the holes of the board, is characterised in that each mounting portion comprises a pair of legs joined at their ends and having surfaces which face one another in a shear plane between the legs and with respect to which the legs are mutually laterally offset, the legs being such as to be resiliently compressed towards one another in mutually contiguous frictional relationship as the mounting portion is forced into the hole in the mother circuit board, the housing is of rigid insulating material, the connecting tail being laterally offset from the mating portion by virtue of the offset portion which engages an inner face of the base between the tail and the contact portion, a tool base is disposable below the mother board and has openings for receiving the connecting tails whereby the connector can be mounted on the mother board by disposing the mother board on the tool base with each hole in alignment with an opening in the tool base, inserting the connecting tails through respective holes to extend into the openings, and engaging the tool members with the offset portions substantially in alignment with the tails and applying force which is transmitted substantially axially of the tails to drive the mounting portions into the holes.
- For a better understanding of the invention an embodiment thereof will now be described by way of example with reference to the accompanying drawings in which:-
- Figure 1 is a perspective view, shown partly in section, of a first circuit board edge connector, exploded from a mother circuit board, and showing a second such connector mounted on the mother board;
- Figure 2 is a cross-sectional view of a connector of Figure 1 in association with tooling positioned to mount the connector on the mother circuit board; and
- Figure 3 is a similar view to that of Figure 2 but showing the connector after having been mounted on the mother circuit board.
- A circuit
board edge connector 10 comprises a rigidinsulating housing 12 of plastics material, having aslot 14 opening into amating face 16 of the housing along substantially its full length, for receiving a daughter circuit board (not shown). Two parallel rows of aligned terminal receivingrecesses 18 each having a side wall 19 (Figure 2) open into theslot 14 from respective sides thereof. Thehousing 12 has a base 26 (Figures 2 and 3) through which extendpassages 22 each communicating with one of therecesses 18.Mounting flanges 28 are provided at the ends of thehousing 12. - Each of
electrical terminals 32 in thehousing 12 comprises a mating portion in the form of acantilever contact blade 34 for engaging the daughter circuit board, anintermediate offset portion 36 providing a shoulder, an enlargedresilient mounting portion 38 connected to theportion 36 by arectilinear shank 37 extending substantially parallel to themating portion 34 and a connectingtail 40 extending from theportion 38. Eachterminal 32 is mounted in one of therecesses 18, with itsshank 37 extending through thecorresponding passage 22, themounting portion 38 of the terminal lying beyond theouter face 41 of thebase 26 of thehousing 12 and theportion 36 engaging theinner face 39 of thebase 26. - In order to mount the
connector 10 on amother circuit board 44 having internally metallically platedholes 42 therein, corresponding in spacing and arrangement to the connectingtails 40, theboard 44 is positioned on atool base 46, having spacedlongitudinal grooves 48 therein, so that eachhole 42 is aligned with one of these grooves. Theconnector 10 is then aligned with thebase 46 and is moved theretowards to insert eachtail 40 of eachterminal 32 through arespective hole 42 into thegroove 48 aligned therewith, theportion 38 of the terminal resting on the plating of thehole 42, as shown in Figure 2. - A
terminal driving tool 52 haslegs 54, eachleg 54 terminating in ashoulder 58 shaped snugly to engage theportion 36 of thecorresponding terminal 32. Eachmating portion 34 is spaced from theadjacent wall 19 to permit the insertion of one of thelegs 54 between theportion 34 and theadjacent wall 19. - The
legs 54 of thetool 52 having been inserted into therecesses 18 so that eachshoulder 58 thereof engages theshoulder portion 36 of arespective terminal 32, a downward axial force is applied to thetool 52 to drive themounting portions 38 of the terminals into theholes 42 as shown in Figure 3, so as to be resiliently force fitted therein. Thetool 52 is then withdrawn from theconnector 10. - Each
mounting portion 38,_ which may be formed according to the teaching of US-A-4,186,982, comprises a pair oflegs 60 joined at their ends and having surfaces which face and abut one another in a shear plane between the legs and with respect to which the legs are mutually laterally offset. Thelegs 60 are compressed resiliently towards one another as theportion 38 is forced into thehole 42, in mutually contiguous frictional relationship.
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT81302566T ATE10243T1 (en) | 1980-06-23 | 1981-06-10 | EDGE CONNECTOR FOR CIRCUIT BOARD. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16235280A | 1980-06-23 | 1980-06-23 | |
US162352 | 1998-09-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0042692A1 EP0042692A1 (en) | 1981-12-30 |
EP0042692B1 true EP0042692B1 (en) | 1984-11-07 |
Family
ID=22585262
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP81302566A Expired EP0042692B1 (en) | 1980-06-23 | 1981-06-10 | Circuit board edge connector |
Country Status (13)
Country | Link |
---|---|
EP (1) | EP0042692B1 (en) |
JP (1) | JPS5732581A (en) |
AR (1) | AR227191A1 (en) |
AT (1) | ATE10243T1 (en) |
AU (1) | AU541432B2 (en) |
BR (1) | BR8103919A (en) |
CA (1) | CA1150377A (en) |
DE (1) | DE3167051D1 (en) |
ES (1) | ES502922A0 (en) |
HK (1) | HK79687A (en) |
MX (1) | MX149788A (en) |
MY (1) | MY8800064A (en) |
SG (1) | SG53287G (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4396245A (en) * | 1981-03-12 | 1983-08-02 | Amp Incorporated | Cover for multiple terminal electrical connector |
DE3318135A1 (en) * | 1983-05-18 | 1984-11-22 | Erni Elektroapparate Gmbh, 7321 Adelberg | SOLDER-FREE ELECTRICAL CONNECTION |
JPH029513Y2 (en) * | 1986-08-01 | 1990-03-08 | ||
JPH029514Y2 (en) * | 1986-08-04 | 1990-03-08 | ||
US5338230A (en) * | 1993-06-29 | 1994-08-16 | Molex Incorporated | Electrical connector assembly |
US5884393A (en) * | 1995-01-27 | 1999-03-23 | Molex Incorporated | Mounting jig for electrical connectors |
DE102014204484B3 (en) | 2014-03-11 | 2015-09-10 | Te Connectivity Germany Gmbh | Electrical connector and method of making an electrical connector |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL132009C (en) * | 1965-07-05 | |||
US4186982A (en) * | 1973-08-01 | 1980-02-05 | Amp Incorporated | Contact with split portion for engagement with substrate |
DE2631107C2 (en) * | 1975-07-21 | 1992-01-23 | Elfab Corp., Dallas, Tex. | Electrical connector with at least one contact element and method for its manufacture |
US4127935A (en) * | 1976-02-20 | 1978-12-05 | Elfab Corporation | Method for assembly of electrical connectors |
US4083101A (en) * | 1976-12-27 | 1978-04-11 | Amp Incorporated | Tool for installing individual pins in printed circuit board |
DE2814334B2 (en) * | 1977-05-03 | 1981-01-29 | Litton Systems, Inc., Beverly Hills, Calif. (V.St.A.) | Method for mounting a connector on a printed circuit board, as well as tools and connectors for carrying out the method |
US4089581A (en) * | 1977-05-03 | 1978-05-16 | Litton Systems, Inc. | Printed circuit board connector |
JPS5811076B2 (en) * | 1978-12-25 | 1983-03-01 | 株式会社エルコ インタ−ナシヨナル | electrical connector assembly |
-
1981
- 1981-06-01 AU AU71206/81A patent/AU541432B2/en not_active Ceased
- 1981-06-04 CA CA000379033A patent/CA1150377A/en not_active Expired
- 1981-06-10 EP EP81302566A patent/EP0042692B1/en not_active Expired
- 1981-06-10 DE DE8181302566T patent/DE3167051D1/en not_active Expired
- 1981-06-10 AT AT81302566T patent/ATE10243T1/en not_active IP Right Cessation
- 1981-06-10 ES ES502922A patent/ES502922A0/en active Granted
- 1981-06-18 AR AR285769A patent/AR227191A1/en active
- 1981-06-22 MX MX187928A patent/MX149788A/en unknown
- 1981-06-22 BR BR8103919A patent/BR8103919A/en not_active IP Right Cessation
- 1981-06-23 JP JP9733381A patent/JPS5732581A/en active Pending
-
1987
- 1987-06-18 SG SG532/87A patent/SG53287G/en unknown
- 1987-10-29 HK HK796/87A patent/HK79687A/en unknown
-
1988
- 1988-12-30 MY MY64/88A patent/MY8800064A/en unknown
Also Published As
Publication number | Publication date |
---|---|
ATE10243T1 (en) | 1984-11-15 |
DE3167051D1 (en) | 1984-12-13 |
MY8800064A (en) | 1988-12-31 |
BR8103919A (en) | 1982-03-09 |
HK79687A (en) | 1987-11-06 |
EP0042692A1 (en) | 1981-12-30 |
ES8204235A1 (en) | 1982-04-01 |
MX149788A (en) | 1983-12-16 |
AU541432B2 (en) | 1985-01-10 |
AU7120681A (en) | 1982-01-07 |
SG53287G (en) | 1988-01-15 |
JPS5732581A (en) | 1982-02-22 |
CA1150377A (en) | 1983-07-19 |
AR227191A1 (en) | 1982-09-30 |
ES502922A0 (en) | 1982-04-01 |
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