EP0073104B1 - Electrical connector for flexible printed circuits - Google Patents
Electrical connector for flexible printed circuits Download PDFInfo
- Publication number
- EP0073104B1 EP0073104B1 EP19820303997 EP82303997A EP0073104B1 EP 0073104 B1 EP0073104 B1 EP 0073104B1 EP 19820303997 EP19820303997 EP 19820303997 EP 82303997 A EP82303997 A EP 82303997A EP 0073104 B1 EP0073104 B1 EP 0073104B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- channel
- side wall
- terminal
- lateral flange
- longitudinal
- 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
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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
- H01R12/70—Coupling devices
- H01R12/77—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures
- H01R12/78—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures connecting to other flexible printed circuits, flat or ribbon cables 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
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/26—Pin or blade contacts for sliding co-operation on one side only
-
- 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
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/627—Snap or like fastening
-
- 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
- H01R13/73—Means for mounting coupling parts to apparatus or structures, e.g. to a wall
- H01R13/74—Means for mounting coupling parts in openings of a panel
Definitions
- This invention relates generally to terminals and electrical connectors for flexible printed circuits and, more particularly, to a terminal and an electrical connector of the wipe-in type, such as is disclosed in U.S. Patent 3,365,694 granted to George W. Parker on January 23, 1968.
- the connector disclosed in the Parker patent comprises a plug body 26 having two rows of parallel pockets 25 and a plurality of terminals 21 attached to the ends of insulated conductor wires 22A.
- the terminals 21 are disposed in the pockets 25 and have bowed contact portions 20 which project laterally outwardly of the plug body 26.
- the bowed contact portions 20 have a wipe-in engagement with conductive portions of a flexible printed circuit when the plug body 26 is plugged into a panel 10 or 30 supporting the flexible printed circuit.
- U.S. Patent 3,417,362 discloses an electrical connector for a flexible printed circuit in which a connector body has a base wall and a plurality of upstanding partition walls projecting from said base wall to define a plurality of open channels, and a plurality of terminals are disposed in the open channels of the connector body, each terminal having a side wall, a lateral flange which is attached to a longitudinal edge of the side wall, a latch tang, and a contact bow which is shaped to make wiping engagement with a respective contact portion of said flexible printed circuit.
- the terminals are pushed into the rearward ends of the open channels of the connector body in order to achieve connection, in a manner similar to that disclosed in the Parker patent.
- the object of this invention is to generally improve upon the terminals and electrical connectors disclosed in the above prior art.
- An electrical connector for a flexible printed circuit is characterized in that the connector body has a longitudinal rib in each channel which projects into the channel from a partition wall on one side of the channel and is spaced from the partition wall on the other side of the channel, said longitudinal rib being spaced close to the base wall to define a slot; and each terminal for the connector has a side wall disposed between the longitudinal rib and the partition wall on the other side of said channel; a lateral flange which is attached to a longitudinal edge of the side wall which is disposed in the slot to retain the terminal transversely in the channel; a contact bow which is attached to a forward edge of the lateral flange and extends back thereover to provide a nose portion which is seated against the longitudinal rib to retain the terminal in the channel in one longitudinal direction; and a latch tang which engages a shoulder of the longitudinal rib to retain the terminal in the channel in the opposite longitudinal direction.
- the invention includes the terminal as claimed in Claim 3.
- One advantage of the invention is that the terminals are seated against solid portions of the plug body which prevents pushout when the terminals engage the flexible printed circuit.
- terminals can be very narrow which reduces the overall width of the electrical connector and permits a closer spacing of the printed circuit conductors.
- the electrical connector 10 comprises a plug connector body 12 of dielectric material and a plurality of terminals 14 which are attached to the stripped ends of insulated cables 16.
- the connector body 12 comprises a horizontal or base wall 18 and a plurality of upstanding partition walls 20 which extend from both sides of the base wall 18 to define two rows of open channels 22.
- the channels 22 have front openings 24 and rear openings 26 at the opposite longitudinal ends of the connector body 10 and longitudinal openings 27 opposite the base wall 18.
- the longitudinal openings 27 extend the entire length of the connector body 12 and communicate with the respective front and rear openings 24 and 26.
- the partition walls 20 have tapered plug-in portions 28 at the front end of the connector body 12 and intermediate wings 30 which serve as stops.
- the sockets 32 are closer to one side of the connector body 12 and serve as indexing means to assure proper panel mounting and connection with the flexible printed circuit as will hereinafter more fully appear.
- the four outer partition walls 20b have a gusset 34 attached to their respective plug-in portions 28 and one of the wings 30.
- the outer partition walls 20b also have latch arms 36a and 36b attached to their rearward portions.
- the latch arms 36a and 36b are different sizes and also serve as indexing means to assure proper panel mounting.
- Each channel 22 has a longitudinal rib 38 projecting into it from a partition wall 20, 20a or 20a at one side of the channel.
- Each rib 38 is parallel to, and shaped a short distance from, the base wall 18 to define a narrow slot 40 in each channel 22 as shown in Figure 1.
- Each longitudinal rib 38 is also spaced from the partition wall 20, 20a or 20b on the opposite side of the channel 22 and has a shoulder 42 which faces the rear opening 26 of the channel as shown in Figure 4.
- Each terminal 14 is a unitary sheet metal stamping which is bent to shape and has a flat side wall 44 which has a lateral flange 46 integrally attached at a longitudinal edge of its flat side wall.
- Each terminal 14 further includes a contact bow 48 which is attached to the front edge of the lateral flange 46 and is bent back over the lateral flange 46 so that the bow 48 has a median portion which projects outwardly of its side wall 44.
- the side wall 44 has a bent front tab 50 which extends in front of the contact bow 48 to protect and reinforce the nose 52 of the contact bow.
- the contact bow 48 also has a tail 54 which lies between a small lateral flange 56 integrally attached to a longitudinal edge of the side wall 44 (opposite the lateral flange 46) and a side tab 58 struck and bent from the side wall 44.
- the tail 54 is trapped laterally between the side wall 44 and a depending finger 60 which extends from the small lateral flange 56 past the side tab 58.
- the side wall 44 also has a longitudinal latch tang 62 struck and bent therefrom.
- the terminal 14 is attached to the cable 16 by a standard double crimp barrel attachment 64 which is integrally connected to a rear edge of the side wall 44 and offset towards the small lateral flange 56 so that it does not interfere with assembly on the terminal 14 into the channel 22.
- the terminal 14 is inserted into the channel 22 attachment or tail end first through the front opening 24 and seated against the front end of the longitudinal rib 38 with its side wall 44 disposed between the longitudinal rib 38 and one of the partition walls 20, 20a or 20b as shown in Figures 1 and 2.
- the terminal 14 is retained in the open channel 22 by its lateral flange 46 which is disposed in the slot 40 and its latch tang 62 which engages the shoulder 42 of the longitudinal rib 38 as shown in Figures 1 and 4.
- the electrical connector 10 is mounted on a support panel 66 from the backside 66a by threading the connector 10 sideways through an appropriately shaped hole 67 in the support panel 66 as shown in Figure 5. After the connector 10 is threaded completely through the hole 67, the connector 10 is aligned with the hole 67 and pushed back into the hole 67 from the front side into the panel mounted position shown in Figure 6.
- the connector body 12 is secured on the support panel 66 by the wings 30 which engage the front side 66b of the support panel 66 and the latch arms 36 which engage the backside 66a.
- the connector 10 can be mounted from the front side 66b of the support panel 66, by threading the wiring harness 68 through the hole first. However, it is usually easier to mount the connector 10 from the backside 66a because the wiring harness 68 is often very long and complex.
- the hole 67 has different sized side slots 67a and 67b and offset slots 67c in the other two sides. These slots co-operate with the different sized latch arms 36a and 36b and offset sockets 32, which as noted above serve as indexing means to ensure that the connector 10 is properly mounted on the support panel 66.
- Figure 6 also shows a representive flexible printed circuit 70 comprising a flexible Mylar sheet 72 having a plurality of thin conductive strips 74 attached to one surface.
- the flexible printed circuit 70 is cut to provide two flap portions 70a and 70b and two index holes 70c.
- the flexible printed circuit 70 is mounted on a socket member 76 which is shaped to plug onto the connector 10 supported on the panel 66.
- the socket member 76 has two projecting pins 78 which project through the index holes 70c in the Mylar sheet 72 to position the flexible printed circuit 70 on the socket member 76. These pins 78 plug into the sockets 32 of the connector body 12 when the socket member 76 is plugged onto the connector 10 to ensure that the connector 10 and the flexible printed circuit are properly mated.
- Mylar is a registered trade mark.
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Description
- This invention relates generally to terminals and electrical connectors for flexible printed circuits and, more particularly, to a terminal and an electrical connector of the wipe-in type, such as is disclosed in U.S. Patent 3,365,694 granted to George W. Parker on January 23, 1968.
- The connector disclosed in the Parker patent comprises a
plug body 26 having two rows of parallel pockets 25 and a plurality of terminals 21 attached to the ends of insulated conductor wires 22A. The terminals 21 are disposed in the pockets 25 and have bowedcontact portions 20 which project laterally outwardly of theplug body 26. The bowedcontact portions 20 have a wipe-in engagement with conductive portions of a flexible printed circuit when theplug body 26 is plugged into apanel - U.S. Patent 3,417,362 discloses an electrical connector for a flexible printed circuit in which a connector body has a base wall and a plurality of upstanding partition walls projecting from said base wall to define a plurality of open channels, and a plurality of terminals are disposed in the open channels of the connector body, each terminal having a side wall, a lateral flange which is attached to a longitudinal edge of the side wall, a latch tang, and a contact bow which is shaped to make wiping engagement with a respective contact portion of said flexible printed circuit. The terminals are pushed into the rearward ends of the open channels of the connector body in order to achieve connection, in a manner similar to that disclosed in the Parker patent.
- The object of this invention is to generally improve upon the terminals and electrical connectors disclosed in the above prior art.
- An electrical connector for a flexible printed circuit according to the present invention is characterized in that the connector body has a longitudinal rib in each channel which projects into the channel from a partition wall on one side of the channel and is spaced from the partition wall on the other side of the channel, said longitudinal rib being spaced close to the base wall to define a slot; and each terminal for the connector has a side wall disposed between the longitudinal rib and the partition wall on the other side of said channel; a lateral flange which is attached to a longitudinal edge of the side wall which is disposed in the slot to retain the terminal transversely in the channel; a contact bow which is attached to a forward edge of the lateral flange and extends back thereover to provide a nose portion which is seated against the longitudinal rib to retain the terminal in the channel in one longitudinal direction; and a latch tang which engages a shoulder of the longitudinal rib to retain the terminal in the channel in the opposite longitudinal direction.
- The invention includes the terminal as claimed in Claim 3.
- One advantage of the invention is that the terminals are seated against solid portions of the plug body which prevents pushout when the terminals engage the flexible printed circuit.
- Another advantage of the invention is that the terminals can be very narrow which reduces the overall width of the electrical connector and permits a closer spacing of the printed circuit conductors.
- Other objects and features of the invention will become apparent to those skilled in the art as the disclosure is made in the following detailed description of a preferred embodiment of the invention as illustrated in the accompanying sheets of drawings in which:
- Figure 1 is a longitudinal section of terminals and an electrical connector in accordance with this invention mated with a flexible printed circuit.
- Figure 2 is a section taken substantially along the line 2-2 of Figure 1 looking in the direction of the arrows.
- Figure 3 is a section taken substantially along the line 3-3 of Figure 1 looking in the direction of the arrows.
- Figure 4 is a view of the connector taken substantially along the line 4-4 of Figure 1 looking in the direction of the arrows.
- Figure 5 is a perspective view showing the electrical connector in the process of being assembled to a panel.
- Figure 6 is a perspective view showing the electrical connector assembled to a support panel and in position for connection with a flexible printed circuit mounted on its own support panel.
- Figure 7 is a perspective view of one of the terminals used in the electrical connector shown in Figures 1-6.
- Referring now to the drawings and particularly to Figure 1, the
electrical connector 10 comprises aplug connector body 12 of dielectric material and a plurality ofterminals 14 which are attached to the stripped ends ofinsulated cables 16. - The
connector body 12 comprises a horizontal orbase wall 18 and a plurality ofupstanding partition walls 20 which extend from both sides of thebase wall 18 to define two rows ofopen channels 22. Thechannels 22 havefront openings 24 andrear openings 26 at the opposite longitudinal ends of theconnector body 10 andlongitudinal openings 27 opposite thebase wall 18. Thelongitudinal openings 27 extend the entire length of theconnector body 12 and communicate with the respective front andrear openings - The
partition walls 20 have tapered plug-inportions 28 at the front end of theconnector body 12 andintermediate wings 30 which serve as stops. - Two
inner partition walls 20a are joined together to provide a pair ofsockets 32. Thesockets 32 are closer to one side of theconnector body 12 and serve as indexing means to assure proper panel mounting and connection with the flexible printed circuit as will hereinafter more fully appear. - The four outer partition walls 20b have a
gusset 34 attached to their respective plug-inportions 28 and one of thewings 30. The outer partition walls 20b also havelatch arms latch arms - Each
channel 22 has alongitudinal rib 38 projecting into it from apartition wall rib 38 is parallel to, and shaped a short distance from, thebase wall 18 to define a narrow slot 40 in eachchannel 22 as shown in Figure 1. Eachlongitudinal rib 38 is also spaced from thepartition wall channel 22 and has a shoulder 42 which faces therear opening 26 of the channel as shown in Figure 4. - Each
terminal 14 is a unitary sheet metal stamping which is bent to shape and has aflat side wall 44 which has alateral flange 46 integrally attached at a longitudinal edge of its flat side wall. Eachterminal 14 further includes acontact bow 48 which is attached to the front edge of thelateral flange 46 and is bent back over thelateral flange 46 so that thebow 48 has a median portion which projects outwardly of itsside wall 44. Theside wall 44 has a bent front tab 50 which extends in front of thecontact bow 48 to protect and reinforce thenose 52 of the contact bow. - The
contact bow 48 also has atail 54 which lies between a smalllateral flange 56 integrally attached to a longitudinal edge of the side wall 44 (opposite the lateral flange 46) and aside tab 58 struck and bent from theside wall 44. Thetail 54 is trapped laterally between theside wall 44 and a dependingfinger 60 which extends from the smalllateral flange 56 past theside tab 58. Theside wall 44 also has alongitudinal latch tang 62 struck and bent therefrom. - The
terminal 14 is attached to thecable 16 by a standard doublecrimp barrel attachment 64 which is integrally connected to a rear edge of theside wall 44 and offset towards the smalllateral flange 56 so that it does not interfere with assembly on theterminal 14 into thechannel 22. - The
terminal 14 is inserted into thechannel 22 attachment or tail end first through the front opening 24 and seated against the front end of thelongitudinal rib 38 with itsside wall 44 disposed between thelongitudinal rib 38 and one of thepartition walls terminal 14 is retained in theopen channel 22 by itslateral flange 46 which is disposed in the slot 40 and itslatch tang 62 which engages the shoulder 42 of thelongitudinal rib 38 as shown in Figures 1 and 4. - The
electrical connector 10 is mounted on asupport panel 66 from thebackside 66a by threading theconnector 10 sideways through an appropriately shaped hole 67 in thesupport panel 66 as shown in Figure 5. After theconnector 10 is threaded completely through the hole 67, theconnector 10 is aligned with the hole 67 and pushed back into the hole 67 from the front side into the panel mounted position shown in Figure 6. Theconnector body 12 is secured on thesupport panel 66 by thewings 30 which engage the front side 66b of thesupport panel 66 and the latch arms 36 which engage thebackside 66a. In some instances, theconnector 10 can be mounted from the front side 66b of thesupport panel 66, by threading thewiring harness 68 through the hole first. However, it is usually easier to mount theconnector 10 from thebackside 66a because thewiring harness 68 is often very long and complex. - The hole 67 has different sized
side slots 67a and 67b andoffset slots 67c in the other two sides. These slots co-operate with the different sizedlatch arms offset sockets 32, which as noted above serve as indexing means to ensure that theconnector 10 is properly mounted on thesupport panel 66. - Figure 6 also shows a representive flexible printed
circuit 70 comprising aflexible Mylar sheet 72 having a plurality of thin conductive strips 74 attached to one surface. The flexible printedcircuit 70 is cut to provide two flap portions 70a and 70b and two index holes 70c. The flexible printedcircuit 70 is mounted on a socket member 76 which is shaped to plug onto theconnector 10 supported on thepanel 66. The socket member 76 has two projectingpins 78 which project through the index holes 70c in the Mylarsheet 72 to position the flexible printedcircuit 70 on the socket member 76. Thesepins 78 plug into thesockets 32 of theconnector body 12 when the socket member 76 is plugged onto theconnector 10 to ensure that theconnector 10 and the flexible printed circuit are properly mated. "Mylar" is a registered trade mark.
Claims (6)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US29369281A | 1981-08-17 | 1981-08-17 | |
US293692 | 1981-08-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0073104A1 EP0073104A1 (en) | 1983-03-02 |
EP0073104B1 true EP0073104B1 (en) | 1986-09-17 |
Family
ID=23130142
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19820303997 Expired EP0073104B1 (en) | 1981-08-17 | 1982-07-29 | Electrical connector for flexible printed circuits |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0073104B1 (en) |
JP (1) | JPS5838472A (en) |
CA (1) | CA1180781A (en) |
DE (1) | DE3273353D1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5577937A (en) * | 1993-12-27 | 1996-11-26 | Sumitomo Wiring Systems, Ltd. | Method and apparatus for connecting electronic parts and terminals |
JPH10302914A (en) * | 1997-04-25 | 1998-11-13 | Amp Japan Ltd | Electric connector |
AU2007291879B2 (en) * | 2006-09-01 | 2011-07-28 | Reichle & De-Massari Ag | Adapter and plug-in connection system |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2956260A (en) * | 1957-09-03 | 1960-10-11 | Rca Corp | Multi-contact connector |
US3365694A (en) * | 1965-06-17 | 1968-01-23 | Gen Motors Corp | Connector means |
FR1483542A (en) * | 1965-06-28 | 1967-09-06 | ||
US3581271A (en) * | 1969-05-07 | 1971-05-25 | Bunker Kame Corp The | Unit having contact protective means |
-
1982
- 1982-02-23 CA CA000396837A patent/CA1180781A/en not_active Expired
- 1982-07-29 EP EP19820303997 patent/EP0073104B1/en not_active Expired
- 1982-07-29 DE DE8282303997T patent/DE3273353D1/en not_active Expired
- 1982-08-17 JP JP57141766A patent/JPS5838472A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5838472A (en) | 1983-03-05 |
DE3273353D1 (en) | 1986-10-23 |
EP0073104A1 (en) | 1983-03-02 |
JPS6332225B2 (en) | 1988-06-29 |
CA1180781A (en) | 1985-01-08 |
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