CA1191219A - Electrical connector - Google Patents
Electrical connectorInfo
- Publication number
- CA1191219A CA1191219A CA000417680A CA417680A CA1191219A CA 1191219 A CA1191219 A CA 1191219A CA 000417680 A CA000417680 A CA 000417680A CA 417680 A CA417680 A CA 417680A CA 1191219 A CA1191219 A CA 1191219A
- Authority
- CA
- Canada
- Prior art keywords
- jaws
- housing
- terminal
- conductor
- opening
- 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
- 239000004020 conductor Substances 0.000 claims abstract description 25
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000000926 separation method Methods 0.000 claims abstract description 4
- 239000004033 plastic Substances 0.000 claims description 7
- 230000006854 communication Effects 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 239000012777 electrically insulating material Substances 0.000 claims 2
- 238000012544 monitoring process Methods 0.000 description 3
- 239000003989 dielectric material Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000002565 electrocardiography Methods 0.000 description 1
- 238000000537 electroencephalography Methods 0.000 description 1
- 229920001821 foam rubber Polymers 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
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
- 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
- H01R13/6275—Latching arms not integral with the housing
-
- 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
- H01R12/75—Coupling devices for rigid printing circuits or like structures connecting to cables except for flat or ribbon cables
-
- 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
- H01R13/58—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S439/00—Electrical connectors
- Y10S439/909—Medical use or attached to human body
Abstract
Abstract An electrical connector for a conductor that is printed on a dielectric strip, such as an electrode lead, com-prises an insulating housing having a terminal therein and an opening into the housing for receiving the di-electric strip such that the printed conductor engages the terminal. Opposed jaws are pivotally supported in the housing on opposite sides of the terminal, the jaws being joined at corresponding ends by a resilient member to bias the jaws for releasable engaging notches in the dielectric strip. A novel strain relief member in which the resilient means is embedded may be used to prevent separation of the terminal from a connector lead wire.
Description
ELECTRICAL CONNECTOR
Background of the Invention .
This inventions relates to electrical connectors, and more particularly to improvements in connectors for making electrically conductive contact with a printed electric circuit conductor on a thin flexible sheet of dielectric material.
The connector of the present invention is primarily in-tended for use with a skin contact electrode for measur-ing some physiologic function, such as electrocardio-graphy or electroencephalography, or the like. These skin contact electrodes generally require individual comlections between each of the electrodes ancl the equip-ment that measures physiologic function. ~ccordingly,it is desirable that the electrical connector for the electrode be of a rapid or "quick connect" type so as to reduce the time required to connect up all of the electrodes used for the monitoring or measuring function.
Furthermore, it sometimes happens that a patient may be disconnected from the monitoring flmction for purposes of other medical procedures but with the electrode re-maining with the patient. Therefore, the electrodes and the connectors should be capable of ready connec-tion when the measuring or monitoring function is to beresumed. Additionally, the connector should be of the "low profile" type in that the connector should be re-latively flat. This is of importance in sit~tations where an electrode is on the back of the patient because under such conditions the patient must lie on the elec-trode frequently both during surgery and after recovery.
Comfort thus becomes a significant factor which should be considered by the medical personnel Objects and Summary of the Invention An object of this invention is to provide an elec~rical connector which can be readily connected to or removed from the terminal portion of an electrode wherein such terminal portion is an electrical conductor printed upon a sheet of relatively thin dielectric material.
A further object of this invention is to provide a low-profile type of connector which readily grips the printed circuit conductor constituting the lead to the electrode.
Still another object of this invention is to provide a connector of the type stated which embodies a novel strain relief cons~ruction for preventing separation of the connector lead wire from the terminal within the connector.
In accordance with the foregoing objects and the connec-tor comprises an electrically insulated housing having a cavity and an opening providing communication from the cavity to the ~xterior of the housing, an electrical terminal within said housing and being presented towards said opening for receiving and contacting an electrical conductor prvjecting through said opening, and mean.s for releasably retaining said conductor in said housing and in contacting relationship with said terminal; said means comprising at least one jaw member pivotally mounted on said housing and movable from a conductor-retaining position to a conductor-release position at which the conductor can be inserted into or withdrawn from the housing through said opening to make or break contact with said terminal, and resilient means biasing said jaw to said conductor-retaining position.
In the form of the invention disclosed there is a pair of jaws pivotally mounted on opposite sides respectively of the terminal, said jaws being joined by the resilient means such that the jaws and ~he resilîent means con-stitutes a structure having both jaws biased towardtheir conductor-retaining positions. The resilient means may be plastic integrally molded with the jaws or the resilient means may be a metal spring wire that joins the jaws. The spring wire may be molded within a strain relief member tha-t forms part of the aforesaid novel strain relief construction.
Brief Description of the Figures FIG. 1 is a perspective view of a connector of this invention shown electrically connected to the terminal portion of an electrode that comprises a printed cir-cuit on a thin sheet of plastic material;
FIG. 2 is an exploded perspective view of the connector and showing the top section of the connector inverted (the large arrow showing inversion prior to assembly) for purposes of clarity of Illustration;
FIG. 3 is an enlarged top plan view of the connector partially broken away by removal of the top section and partially in section;
FIG. 4 is a sectional view taken approximately along line 4-4 of FIG. 3;
FIG. 5 is a fragmentary sectional view taken along line 5-5 of FIG. 4;
FIG. 6 is a perspective view of a modified form of the invention;
FIG 7 is an enlarged plan ~iew of the connector of FIG. 6 but embodying a strain relief member, FIG g is a sectional view taken along line 8-8 of FIG.
7; and FIG. 9 is a top plan view of a further embodiment of the invention and which utilizes auxiliary-springs for biasing the jaws closed.
Detailed Description Referring now in more detail to the drawing, which illus-trates a preferred embodiment of the invention, there is shown a housing 2 of a suitable plastic, for example, polycarbonate. The housing 2 comprises a top section 4 and an opposed bottom section 6 which cooperate to re-ceive a jaw assembly 8 and an electrical terminal 10, all of which will presently be more fully described.
The housing 2 is formed with a cavity 12 having front opening 14 and a rear opening 16 each for providing communication from the cavity 12 to the exterior o~ the housing. The electrical terminal 10 is within the cavity 12 and is presented toward the front opening 14 for receiving an electrical conductor in the form of a printed circuit lead 16 which in turn forms a printed circuit connection with electrode 18. Electrode 18 and the lead 16 are imprinted on a thin sheet of plastic 20 which may be a resin of the type sold under the trade-mark ~ylar. The sheet 20 has a terminal strip 22 havinga rounded forward end 24 (FIG. 33 adjacent to which are notches 27, 27 on opposite sides of the strip 22.
Attached to the sheet 20 except at the lead 22 is a con-ventional foam elastomer pad 29.
The bottom housing section 6 includes a terminal well 26 forming part of the cavity 12. The terminal well has front and rear shoulders 28, 30 for receiving and retaining the terminal 10. The bot~om 6 furthermore includes pivot posts 32, 32; front end plateaus 34, 34;
and ribs 36, 36 at the side boundaries of the terminal well 26. Also formed on the section 6 is a rear wall 38 the forward vertical edge of which defines a shoulder 30.
The sheet metal terminal 10 includes a body portion 40 of generally rectangular configurati.on from which is struck a tongue 42 having angularly related sections 44, ~6 the forward section 46 of which engages the sho~llder 28 and the rearward section ~ of whi.ch ter-minates in a flange that engages the shoulder 30. The body portion 40 has a forwardly extending lip 48 which diverges with respect to the tongue section 46 for re-ceiving electrode terminal strip 22. The terminal 10 also has a tail 50 having a multiplicity of sections for crimping to a wire 52 with an insulation 54. The tail 50 rests on the wall 38 and with the insulated wire projecting outwardly from the rear opening 16, ~5 The jaw assembly 8 comprises a one-piece plastic member having opposed jaws 56, 56 with gripper ends 58, 58 at one end thereof and with the arms of the jaws projecting outwardly from the housing and terminating in an arcuate resilient member 6~. The jaws have holes 62, 62 for pivotal connection respectively with the pivot posts 32, 32 whereby the spring member 60 biases the jaws to the full line position shown in FIG. 3, name].y to the jaw-closed or conductor retaining positions in which the gripper ends 58, 58 are in the notches 27, 27. The jaw arms may, however, be depressed in opposition to the force of the spring member 60 to move the gripper ends 58, 58 to the broken line posi~ion shown in FIG. 3 to permit insertion of the terminal strip 22 into or with-drawal of the terminal strip 22 from the connector.
The spring member 60 has a notch 64 to provide clearance for the wire insulation 54.
The top section 4 comprises weldment lugs 66, 66 and a generally U-shaped wall or rib 68, the portion 69.
of which provides a flange at the front opening 14 and an abutment for the terminal lip 48. The body of the section ~ also has shallow holes 70, 70 that receive the tops of the posts 32, 32. The sections ~, 6 are ultrasonically welded together along their interfaces at the plateaus 3~, 3~ and the weldment lug9 66, 66.
Use of the connector will be apparent from the ~oregoing description. With the gripper ends 58, 58 spread apart the terminal strip 22 is inserted into the opening 14 as far as it will go whereupon the jaws are released so that the jaw grippers 58, 58 engage in the notches 27~ 27 to prevent retraction of the strip 22 from the connector. The printed circuit lead 16 will be retained in conductive engagement with the terminal 10. Dis-connecting the printed circuit lead 16 is effectivesimply by opening the jaws and retracting the terminal strip portion 22.
The form o~ the in~ention shown in FIG. 6 is similar to that shown in FIGS. 1-5 and the like reference numerals in FIG. 6 as compared to FIGS. 1-5 indicate like parts. However, the jaw assembly 8a comprises jaws 56, 56 projecting from the housing but with the plastic resilient member 60 of FIGS. 1-5 being replaced by a U-shaped wire spring 72 that is embedded at its opposite ends respectively in the jaws 56a, 56a. This spring 72 biases the jaws to the jaw-closed position.
The forms of the invention shown in FIGS. 7-9 are similar to the forms previously described and like reference numerals in FIGS 1-6 as compared to FIGS. 7-9 indicate like parts. However, in FIGS. 7-9 a strain relief member 80 is utili~ed to resist separation of the lead wire 54 from the terminal 10, The strain relief member 80 serves to transmit forces from the lead wire 54 to the pivot posts 32 which are integral with the housing 2. The strain re].ief member 80 includes a rear sectlon 82 which is tapered and is formed with notches 83 to enhance its flexibility. As best seen in FIGS. 7 and 8 the lead wire 54 is embedded in the strain relief member. The strain relief member 80 also includes a forward section 84 which abuts the housing 2. The bight portion of the U-shaped spring wire 72 is molded in the generally sector-shaped center portion of the strain relief member 80 so that for~es on the strain relief member 80 will be transmitted through the wire spring 72 to the jaws 56 and to the pivot posts 32, 32. The strain relief function is therefore present regardless of whether or not the jaws are open (broken line position in FIG 7) or are closed. Moreover the strain relief member 80 does not impair the flexing of the arms of the U-shaped spring 72.
In the form of the invention shown in FIG. 9 the strain relief arrangement is similar to that of FIGS. 7 and 8.
However, in the connector of FIG. 9 relatively short flat springs 86, 86 are embedded in the respective jaws 56, 56 and abut the forward section 84 of the strain relief member 80. These sprîngs 86, 86 work in conjunc-tion wi~h and thereby aid the wire spring 72 to bias the jaws closed.
Background of the Invention .
This inventions relates to electrical connectors, and more particularly to improvements in connectors for making electrically conductive contact with a printed electric circuit conductor on a thin flexible sheet of dielectric material.
The connector of the present invention is primarily in-tended for use with a skin contact electrode for measur-ing some physiologic function, such as electrocardio-graphy or electroencephalography, or the like. These skin contact electrodes generally require individual comlections between each of the electrodes ancl the equip-ment that measures physiologic function. ~ccordingly,it is desirable that the electrical connector for the electrode be of a rapid or "quick connect" type so as to reduce the time required to connect up all of the electrodes used for the monitoring or measuring function.
Furthermore, it sometimes happens that a patient may be disconnected from the monitoring flmction for purposes of other medical procedures but with the electrode re-maining with the patient. Therefore, the electrodes and the connectors should be capable of ready connec-tion when the measuring or monitoring function is to beresumed. Additionally, the connector should be of the "low profile" type in that the connector should be re-latively flat. This is of importance in sit~tations where an electrode is on the back of the patient because under such conditions the patient must lie on the elec-trode frequently both during surgery and after recovery.
Comfort thus becomes a significant factor which should be considered by the medical personnel Objects and Summary of the Invention An object of this invention is to provide an elec~rical connector which can be readily connected to or removed from the terminal portion of an electrode wherein such terminal portion is an electrical conductor printed upon a sheet of relatively thin dielectric material.
A further object of this invention is to provide a low-profile type of connector which readily grips the printed circuit conductor constituting the lead to the electrode.
Still another object of this invention is to provide a connector of the type stated which embodies a novel strain relief cons~ruction for preventing separation of the connector lead wire from the terminal within the connector.
In accordance with the foregoing objects and the connec-tor comprises an electrically insulated housing having a cavity and an opening providing communication from the cavity to the ~xterior of the housing, an electrical terminal within said housing and being presented towards said opening for receiving and contacting an electrical conductor prvjecting through said opening, and mean.s for releasably retaining said conductor in said housing and in contacting relationship with said terminal; said means comprising at least one jaw member pivotally mounted on said housing and movable from a conductor-retaining position to a conductor-release position at which the conductor can be inserted into or withdrawn from the housing through said opening to make or break contact with said terminal, and resilient means biasing said jaw to said conductor-retaining position.
In the form of the invention disclosed there is a pair of jaws pivotally mounted on opposite sides respectively of the terminal, said jaws being joined by the resilient means such that the jaws and ~he resilîent means con-stitutes a structure having both jaws biased towardtheir conductor-retaining positions. The resilient means may be plastic integrally molded with the jaws or the resilient means may be a metal spring wire that joins the jaws. The spring wire may be molded within a strain relief member tha-t forms part of the aforesaid novel strain relief construction.
Brief Description of the Figures FIG. 1 is a perspective view of a connector of this invention shown electrically connected to the terminal portion of an electrode that comprises a printed cir-cuit on a thin sheet of plastic material;
FIG. 2 is an exploded perspective view of the connector and showing the top section of the connector inverted (the large arrow showing inversion prior to assembly) for purposes of clarity of Illustration;
FIG. 3 is an enlarged top plan view of the connector partially broken away by removal of the top section and partially in section;
FIG. 4 is a sectional view taken approximately along line 4-4 of FIG. 3;
FIG. 5 is a fragmentary sectional view taken along line 5-5 of FIG. 4;
FIG. 6 is a perspective view of a modified form of the invention;
FIG 7 is an enlarged plan ~iew of the connector of FIG. 6 but embodying a strain relief member, FIG g is a sectional view taken along line 8-8 of FIG.
7; and FIG. 9 is a top plan view of a further embodiment of the invention and which utilizes auxiliary-springs for biasing the jaws closed.
Detailed Description Referring now in more detail to the drawing, which illus-trates a preferred embodiment of the invention, there is shown a housing 2 of a suitable plastic, for example, polycarbonate. The housing 2 comprises a top section 4 and an opposed bottom section 6 which cooperate to re-ceive a jaw assembly 8 and an electrical terminal 10, all of which will presently be more fully described.
The housing 2 is formed with a cavity 12 having front opening 14 and a rear opening 16 each for providing communication from the cavity 12 to the exterior o~ the housing. The electrical terminal 10 is within the cavity 12 and is presented toward the front opening 14 for receiving an electrical conductor in the form of a printed circuit lead 16 which in turn forms a printed circuit connection with electrode 18. Electrode 18 and the lead 16 are imprinted on a thin sheet of plastic 20 which may be a resin of the type sold under the trade-mark ~ylar. The sheet 20 has a terminal strip 22 havinga rounded forward end 24 (FIG. 33 adjacent to which are notches 27, 27 on opposite sides of the strip 22.
Attached to the sheet 20 except at the lead 22 is a con-ventional foam elastomer pad 29.
The bottom housing section 6 includes a terminal well 26 forming part of the cavity 12. The terminal well has front and rear shoulders 28, 30 for receiving and retaining the terminal 10. The bot~om 6 furthermore includes pivot posts 32, 32; front end plateaus 34, 34;
and ribs 36, 36 at the side boundaries of the terminal well 26. Also formed on the section 6 is a rear wall 38 the forward vertical edge of which defines a shoulder 30.
The sheet metal terminal 10 includes a body portion 40 of generally rectangular configurati.on from which is struck a tongue 42 having angularly related sections 44, ~6 the forward section 46 of which engages the sho~llder 28 and the rearward section ~ of whi.ch ter-minates in a flange that engages the shoulder 30. The body portion 40 has a forwardly extending lip 48 which diverges with respect to the tongue section 46 for re-ceiving electrode terminal strip 22. The terminal 10 also has a tail 50 having a multiplicity of sections for crimping to a wire 52 with an insulation 54. The tail 50 rests on the wall 38 and with the insulated wire projecting outwardly from the rear opening 16, ~5 The jaw assembly 8 comprises a one-piece plastic member having opposed jaws 56, 56 with gripper ends 58, 58 at one end thereof and with the arms of the jaws projecting outwardly from the housing and terminating in an arcuate resilient member 6~. The jaws have holes 62, 62 for pivotal connection respectively with the pivot posts 32, 32 whereby the spring member 60 biases the jaws to the full line position shown in FIG. 3, name].y to the jaw-closed or conductor retaining positions in which the gripper ends 58, 58 are in the notches 27, 27. The jaw arms may, however, be depressed in opposition to the force of the spring member 60 to move the gripper ends 58, 58 to the broken line posi~ion shown in FIG. 3 to permit insertion of the terminal strip 22 into or with-drawal of the terminal strip 22 from the connector.
The spring member 60 has a notch 64 to provide clearance for the wire insulation 54.
The top section 4 comprises weldment lugs 66, 66 and a generally U-shaped wall or rib 68, the portion 69.
of which provides a flange at the front opening 14 and an abutment for the terminal lip 48. The body of the section ~ also has shallow holes 70, 70 that receive the tops of the posts 32, 32. The sections ~, 6 are ultrasonically welded together along their interfaces at the plateaus 3~, 3~ and the weldment lug9 66, 66.
Use of the connector will be apparent from the ~oregoing description. With the gripper ends 58, 58 spread apart the terminal strip 22 is inserted into the opening 14 as far as it will go whereupon the jaws are released so that the jaw grippers 58, 58 engage in the notches 27~ 27 to prevent retraction of the strip 22 from the connector. The printed circuit lead 16 will be retained in conductive engagement with the terminal 10. Dis-connecting the printed circuit lead 16 is effectivesimply by opening the jaws and retracting the terminal strip portion 22.
The form o~ the in~ention shown in FIG. 6 is similar to that shown in FIGS. 1-5 and the like reference numerals in FIG. 6 as compared to FIGS. 1-5 indicate like parts. However, the jaw assembly 8a comprises jaws 56, 56 projecting from the housing but with the plastic resilient member 60 of FIGS. 1-5 being replaced by a U-shaped wire spring 72 that is embedded at its opposite ends respectively in the jaws 56a, 56a. This spring 72 biases the jaws to the jaw-closed position.
The forms of the invention shown in FIGS. 7-9 are similar to the forms previously described and like reference numerals in FIGS 1-6 as compared to FIGS. 7-9 indicate like parts. However, in FIGS. 7-9 a strain relief member 80 is utili~ed to resist separation of the lead wire 54 from the terminal 10, The strain relief member 80 serves to transmit forces from the lead wire 54 to the pivot posts 32 which are integral with the housing 2. The strain re].ief member 80 includes a rear sectlon 82 which is tapered and is formed with notches 83 to enhance its flexibility. As best seen in FIGS. 7 and 8 the lead wire 54 is embedded in the strain relief member. The strain relief member 80 also includes a forward section 84 which abuts the housing 2. The bight portion of the U-shaped spring wire 72 is molded in the generally sector-shaped center portion of the strain relief member 80 so that for~es on the strain relief member 80 will be transmitted through the wire spring 72 to the jaws 56 and to the pivot posts 32, 32. The strain relief function is therefore present regardless of whether or not the jaws are open (broken line position in FIG 7) or are closed. Moreover the strain relief member 80 does not impair the flexing of the arms of the U-shaped spring 72.
In the form of the invention shown in FIG. 9 the strain relief arrangement is similar to that of FIGS. 7 and 8.
However, in the connector of FIG. 9 relatively short flat springs 86, 86 are embedded in the respective jaws 56, 56 and abut the forward section 84 of the strain relief member 80. These sprîngs 86, 86 work in conjunc-tion wi~h and thereby aid the wire spring 72 to bias the jaws closed.
Claims (14)
1. An electrical connector comprising an electrically insulated housing having a cavity and an opening pro-viding communication from the cavity to the exterior of the housing, an electrical terminal within said cavity and being presented toward said opening for receiving and contacting an electrical conductor projecting through said opening, and means for releasably retaining said conductor in said housing and in contacting relationship with said terminal; said means comprising at least one jaw member pivotally mounted on said housing and movable from a conductor-retaining position to a conductor-release position at which the conductor can be inserted into or withdrawn from the housing through said opening to make or break contact with said terminal, and re-silient means biasing said jaw to said conductor-retaining position.
2. A connector according to claim 1 having a pair of jaws pivotally mounted on opposite sides respectively of said terminal, said jaws being joined by said resi-lient means such that the jaws and resilient means con-stitute a structure with both jaws being biased toward their conudctor-retaining positions, said jaws being of an electrically insulating material.
3. A connector according to claim 2 in which said ter-minal has sections diverging toward said opening and shaped to receive a sheet of material having said con-ductor printed thereon, said sheet having notches for receiving the jaws.
4. A connector according to claim 1 in which said ter-minal sections shaped to receive a sheet of material having said conductor printed thereon, and said re-silient means is a spring joining said jaws.
5. A connector according to claim 4 in which said spring is a U-shaped length of wire.
6. A connector according to claim 3 in which said spring and jaws are plastic whereby the spring and jaws constitute a unitary structure.
7. An electrical connector for a conductor that is printed on a dielectric strip comprising: a dielectric housing having opposed sections joined together to form a cavity with front and rear openings providing communi-cation from the cavity to the exterior of the housing, an electrical terminal in said housing, means on said housing for retaining said terminal in said housing;
said terminal comprising a body portion, a tongue por-tion, and a tail portion; the tail portion being at said rear opening, said tongue and body portions diverging toward and presented to said front opening for receiving said dielectric strip and contacting the printed con-ductor thereon, and a pair of jaws of dielectric ma-terial between said opposed sections and being pivotally supported in said housing, said jaws being respectively on opposite sides of said terminal and movable toward and away from said terminal, said jaws being joined at corresponding ends by a resilient member to provide a structure comprised of said member and said jaws such that the member constitutes a spring urging said jaws to a jaw-closed position, said jaws having gripper ends opposite to said corresponding ends for releasably engaging notches in said strip.
said terminal comprising a body portion, a tongue por-tion, and a tail portion; the tail portion being at said rear opening, said tongue and body portions diverging toward and presented to said front opening for receiving said dielectric strip and contacting the printed con-ductor thereon, and a pair of jaws of dielectric ma-terial between said opposed sections and being pivotally supported in said housing, said jaws being respectively on opposite sides of said terminal and movable toward and away from said terminal, said jaws being joined at corresponding ends by a resilient member to provide a structure comprised of said member and said jaws such that the member constitutes a spring urging said jaws to a jaw-closed position, said jaws having gripper ends opposite to said corresponding ends for releasably engaging notches in said strip.
8. An electrical connector according to claim 5 in which said jaws have arms projecting from said housing and terminating at said corresponding ends, the pivotal support of said jaws being formed by posts on one of said opposed sections that project through holes in said jaws.
9. A connector according to claim 1 including a lead wire electrically connected to said terminal, and a strain relief member abutting said housing for resisting separation of the lead wire from said conductor, said resilient means being embedded in said strain relief member.
10, A connector according to claim 9 including auxiliary spring means between said jaw and said strain relief member and operable in aid of said resilient means.
11. An electrical connector comprising an electrically insulated housing having a cavity and an opening providing communication from the cavity to the exterior of the housing, an electrical terminal within said cavity and having a first end presented toward said opening for receiving and contacting an electrical conductor projecting through said opening, a lead wire electrically connected to the second end of said terminal and extending from said housing, and means for releasably retaining said conductor in said housing and in contacting relationship with said terminal; said means comprising at least one jaw member pivotally mounted on said housing and movable from a conductor-retaining position to a conductor-release position at which the conductor can be inserted into or withdrawn from the housing through said opening to make or break contact with said terminal, and resilient means biasing said jaw to said conductor-retaining position, said resilient means comprising a U-shaped length of wire one end of which is affixed to said jaw member, and a strain relief member molded over said lead wire with a segment of the return bend portion of the U-shaped wire embedded in said strain relief member for transmittal of strain from the lead wire to said U-shaped wire providing said resilient means.
12. A connector according to claim 11 having a pair of jaws pivotally mounted on opposite sides respectively of said terminal, said jaws being joined by said resilient means such that the jaws and resilient means constitute a structure with both jaws being biased toward their conductor-retaining positions, said jaws being of an electrically insulating material.
13. A connector according to claim 12 in which said terminal has sections diverging toward said opening and shaped to receive a sheet of material having said conductor printed thereon, said sheet having notches for receiving the jaws.
14. A connector according to claim 11 including auxiliary spring means formed on said strain relief member and disposed between said jaw and said strain relief member and operable in aid of said resilient means.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US338,358 | 1982-01-11 | ||
| US06/338,358 US4490003A (en) | 1982-01-11 | 1982-01-11 | Electrical connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1191219A true CA1191219A (en) | 1985-07-30 |
Family
ID=23324505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000417680A Expired CA1191219A (en) | 1982-01-11 | 1982-12-14 | Electrical connector |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4490003A (en) |
| JP (1) | JPS58121579A (en) |
| AU (1) | AU9153082A (en) |
| BR (1) | BR8300080A (en) |
| CA (1) | CA1191219A (en) |
| DE (1) | DE3300348A1 (en) |
| ES (1) | ES518871A0 (en) |
| FR (1) | FR2519810A1 (en) |
| GB (1) | GB2113482B (en) |
| IT (1) | IT1197540B (en) |
| NL (1) | NL8205035A (en) |
| SE (1) | SE8300031L (en) |
Families Citing this family (47)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| JP5114325B2 (en) * | 2008-07-08 | 2013-01-09 | 原田工業株式会社 | Roof mount antenna device for vehicle |
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| JP5274597B2 (en) | 2011-02-15 | 2013-08-28 | 原田工業株式会社 | Vehicle pole antenna |
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| JP5933368B2 (en) * | 2012-06-26 | 2016-06-08 | 矢崎総業株式会社 | connector |
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| US10272227B2 (en) | 2014-11-07 | 2019-04-30 | C. R. Bard, Inc. | Connection system for tunneled catheters |
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| JP6701244B2 (en) * | 2017-06-28 | 2020-05-27 | タツタ電線株式会社 | Connectors, wires with connectors, and sensors for medical devices |
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| US10992078B2 (en) | 2018-01-29 | 2021-04-27 | Bard Access Systems, Inc. | Connection system for establishing an electrical connection through a drape and methods thereof |
| EP3793464A4 (en) | 2018-05-18 | 2021-07-21 | Bard Access Systems, Inc. | Connection systems and methods thereof for establishing an electrical connection through a drape |
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|---|---|---|---|---|
| NL133824C (en) * | 1960-06-03 | |||
| DE1200409B (en) * | 1960-06-09 | 1965-09-09 | Dr Oskar Vierling | Device for locking and unlocking circuit boards |
| US3093432A (en) * | 1960-10-27 | 1963-06-11 | Honeywell Regulator Co | Molded electrical cord connector |
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| CH516233A (en) * | 1968-03-09 | 1971-11-30 | Hengstler Kg | Locking device for components that can be plugged into one another |
| US3737833A (en) * | 1971-05-12 | 1973-06-05 | Honeywell Inf Systems | Ribbon cable connector system having feed thru connector |
| US3718881A (en) * | 1972-03-27 | 1973-02-27 | Gen Motors Corp | Detachable fastening clip |
| DE2215221C3 (en) * | 1972-03-29 | 1975-06-19 | Swf-Spezialfabrik Fuer Autozubehoer Gustav Rau Gmbh, 7120 Bietigheim | Cable connector |
| US3970353A (en) * | 1974-08-29 | 1976-07-20 | Amp Incorporated | Locking clip |
| US4008942A (en) * | 1975-07-29 | 1977-02-22 | General Signal Corporation | Printed circuit board holding spring |
| JPS5388186A (en) * | 1977-01-14 | 1978-08-03 | Daiichi Denshi Kogyo | Device for locking electric connector |
| SE414272B (en) * | 1978-10-17 | 1980-07-21 | Viggo Ab | CANNEL OR CATETER DEVICE |
-
1982
- 1982-01-11 US US06/338,358 patent/US4490003A/en not_active Expired - Fee Related
- 1982-12-14 CA CA000417680A patent/CA1191219A/en not_active Expired
- 1982-12-15 AU AU91530/82A patent/AU9153082A/en not_active Abandoned
- 1982-12-29 NL NL8205035A patent/NL8205035A/en not_active Application Discontinuation
-
1983
- 1983-01-04 SE SE8300031A patent/SE8300031L/en not_active Application Discontinuation
- 1983-01-05 GB GB08300148A patent/GB2113482B/en not_active Expired
- 1983-01-06 JP JP58000288A patent/JPS58121579A/en active Pending
- 1983-01-07 IT IT47520/83A patent/IT1197540B/en active
- 1983-01-07 DE DE19833300348 patent/DE3300348A1/en not_active Withdrawn
- 1983-01-10 FR FR8300280A patent/FR2519810A1/en not_active Withdrawn
- 1983-01-10 BR BR8300080A patent/BR8300080A/en unknown
- 1983-01-10 ES ES518871A patent/ES518871A0/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| GB8300148D0 (en) | 1983-02-09 |
| NL8205035A (en) | 1983-08-01 |
| JPS58121579A (en) | 1983-07-19 |
| AU9153082A (en) | 1983-07-21 |
| GB2113482A (en) | 1983-08-03 |
| SE8300031D0 (en) | 1983-01-04 |
| ES8402678A1 (en) | 1984-02-01 |
| GB2113482B (en) | 1985-09-18 |
| SE8300031L (en) | 1983-07-12 |
| FR2519810A1 (en) | 1983-07-18 |
| ES518871A0 (en) | 1984-02-01 |
| US4490003A (en) | 1984-12-25 |
| IT1197540B (en) | 1988-12-06 |
| IT8347520A0 (en) | 1983-01-07 |
| BR8300080A (en) | 1983-09-20 |
| DE3300348A1 (en) | 1983-07-21 |
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