CA1165102A - Device for combing electrical conductors - Google Patents
Device for combing electrical conductorsInfo
- Publication number
- CA1165102A CA1165102A CA000378242A CA378242A CA1165102A CA 1165102 A CA1165102 A CA 1165102A CA 000378242 A CA000378242 A CA 000378242A CA 378242 A CA378242 A CA 378242A CA 1165102 A CA1165102 A CA 1165102A
- Authority
- CA
- Canada
- Prior art keywords
- channel
- notch
- block
- conductor receiving
- conductors
- 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
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
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/28—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for wire processing before connecting to contact members, not provided for in groups H01R43/02 - H01R43/26
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Multi-Conductor Connections (AREA)
- Insulated Conductors (AREA)
- Discharge Heating (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
ABSTRACT:
Device for combing electrical conductors comprises a block in which is formed a conductor receiving channel having a conductor receiving mouth. For combing a pair of closely juxtaposed conductors of a flat cable into superposed relationship in the channel, one side wall thereof has a flared surface providing the mouth, into which surface opens a notch which also opens into a forward face of the block and tapers inwardly of the block, the notch having normally extending bottom and side surfaces, the depth of the bottom surface decreasing in a direction away from the forward face of the block.
The bottom surface of the notch inhibits movement of one conductor into the channel until the other conductor has been received therein.
Device for combing electrical conductors comprises a block in which is formed a conductor receiving channel having a conductor receiving mouth. For combing a pair of closely juxtaposed conductors of a flat cable into superposed relationship in the channel, one side wall thereof has a flared surface providing the mouth, into which surface opens a notch which also opens into a forward face of the block and tapers inwardly of the block, the notch having normally extending bottom and side surfaces, the depth of the bottom surface decreasing in a direction away from the forward face of the block.
The bottom surface of the notch inhibits movement of one conductor into the channel until the other conductor has been received therein.
Description
This inYention relates to a device for combing electrical conductors .
A known device for combing electrical conductors comprises a block in which is formed a conductor receiving channel defined by side walls, the channel extending from a forward face of the block towards a rearward face thereof and having a conductor receiving mouth O
In $his known device, which is for combing the leads of a semiconductor, the channel is of V-shaped cross-section and is intended to receive a sinyle lead, similar channels being provided in the block each also for receiving a single lead.
The present invention is directed to the problem of combing a pair of juxtaposed contiguous conductors so that they lie in superposed relationship in a common channel of a combing device, for example ~or insertion into a common slot of a slotted plate electrical terminal, according for example to US-A-3,950,062.
The problem is encountered, in particular, in relation to the combing of the conductors of flat mul ticonductor transmission cables which are usually provided with pairs of juxtaposed contiguous ground conductors, these pairs alternating with single signal conductors. In inserting the wires of such a contiguous pair into a common channel of a combing device, to lie in superposed relationship in the channel, it must be ensured that the conductors of the pair do not bind in the channel so as to impair their correct insertion thereinto .
s~
According to the present invention therefore, in a combing device as defined in the second paragraph of this specification which is for combing a pair of closely juxtaposed conductors into superposed relationship in the channel, one of the side walls, which are otherwise parallel to one another, has a flared surface providing the conductor receiving mouth of the channei, into which surface opens a notch which also opens into the forward face of the block, the notch tapering inwardly of the flared surface and extending from the forward face of the block towards its rearward face, the notch being defined by a sicle surface, and a bottom ramp surface the depth of which decreases from the forward face of the block towards its rearward face.
The bottom ramp surface of the notch serves momentari Iy to inhibit one of the conductors from entering the channel after the insertion of the conductors into the mouth of the channel, in a direction transverse to the longitudinal axes of the wires ~as described in detail below), until the other conductor has entered the channel. The conductors of the pair will not therefore bind in the channel, which will normally be of a width, below its mouth, which is less than the sum of the diameters of the conductors of the pair so that the side walls of the channel support the conductors in their superposed relationship therein.
Preferably, as described in detail below, provision is made, where the combing device is provided with further wire receiving channels, for the channels all to be evenly spaced from one another, `5 ~' in accordance with the spacing between the conductors of the flat multiconductor cable.
For a better understandin~ of the invention, reference will now be made by way of example to the accompanying drawings in which:
Figures 1 through 3 are perspective views of a device, in the form of a template, for combing cable conductors, in association with a flat multiconductor electricai cable, illustrating successive stages in combiny the conductors of the cable;
Figures 4 and 5 are enlarged fragmentary perspective views of the template and cable, illustrating successive stages in the combing operation; and Figures 6 through 8 are enlarged fragmentary diagrammatic front views of the template and cable, illustrating successive stages in the combiny operation.
The template, which is generally referenced 2, comprises a base block 4 formed with a row of parallel intermediate teeth 30 and 32 and end teeth 33, defining first channels 6 each for receiving two wires, alternating with second channels 8 each for receiving one wire. The template 2 has a forward face 10 and a rear face 12.
Each channel 6 has a pair of parallel side walls 14 and 16 connected by a floor 17, the wall 14 being provided by one flank of a tooth 32, or 33 as the case may be, and the wall 16 being provided by one flank of a tooth 30.
Each wall 16 has a conductor-guiding flared surface 18 providing a mouth for the channel 6, in which surface 18 is formed a notch 20 tapering as seen in cross-section, inwardly of the tooth 30. The 9401 _4_ .~ ,. .,
A known device for combing electrical conductors comprises a block in which is formed a conductor receiving channel defined by side walls, the channel extending from a forward face of the block towards a rearward face thereof and having a conductor receiving mouth O
In $his known device, which is for combing the leads of a semiconductor, the channel is of V-shaped cross-section and is intended to receive a sinyle lead, similar channels being provided in the block each also for receiving a single lead.
The present invention is directed to the problem of combing a pair of juxtaposed contiguous conductors so that they lie in superposed relationship in a common channel of a combing device, for example ~or insertion into a common slot of a slotted plate electrical terminal, according for example to US-A-3,950,062.
The problem is encountered, in particular, in relation to the combing of the conductors of flat mul ticonductor transmission cables which are usually provided with pairs of juxtaposed contiguous ground conductors, these pairs alternating with single signal conductors. In inserting the wires of such a contiguous pair into a common channel of a combing device, to lie in superposed relationship in the channel, it must be ensured that the conductors of the pair do not bind in the channel so as to impair their correct insertion thereinto .
s~
According to the present invention therefore, in a combing device as defined in the second paragraph of this specification which is for combing a pair of closely juxtaposed conductors into superposed relationship in the channel, one of the side walls, which are otherwise parallel to one another, has a flared surface providing the conductor receiving mouth of the channei, into which surface opens a notch which also opens into the forward face of the block, the notch tapering inwardly of the flared surface and extending from the forward face of the block towards its rearward face, the notch being defined by a sicle surface, and a bottom ramp surface the depth of which decreases from the forward face of the block towards its rearward face.
The bottom ramp surface of the notch serves momentari Iy to inhibit one of the conductors from entering the channel after the insertion of the conductors into the mouth of the channel, in a direction transverse to the longitudinal axes of the wires ~as described in detail below), until the other conductor has entered the channel. The conductors of the pair will not therefore bind in the channel, which will normally be of a width, below its mouth, which is less than the sum of the diameters of the conductors of the pair so that the side walls of the channel support the conductors in their superposed relationship therein.
Preferably, as described in detail below, provision is made, where the combing device is provided with further wire receiving channels, for the channels all to be evenly spaced from one another, `5 ~' in accordance with the spacing between the conductors of the flat multiconductor cable.
For a better understandin~ of the invention, reference will now be made by way of example to the accompanying drawings in which:
Figures 1 through 3 are perspective views of a device, in the form of a template, for combing cable conductors, in association with a flat multiconductor electricai cable, illustrating successive stages in combiny the conductors of the cable;
Figures 4 and 5 are enlarged fragmentary perspective views of the template and cable, illustrating successive stages in the combing operation; and Figures 6 through 8 are enlarged fragmentary diagrammatic front views of the template and cable, illustrating successive stages in the combiny operation.
The template, which is generally referenced 2, comprises a base block 4 formed with a row of parallel intermediate teeth 30 and 32 and end teeth 33, defining first channels 6 each for receiving two wires, alternating with second channels 8 each for receiving one wire. The template 2 has a forward face 10 and a rear face 12.
Each channel 6 has a pair of parallel side walls 14 and 16 connected by a floor 17, the wall 14 being provided by one flank of a tooth 32, or 33 as the case may be, and the wall 16 being provided by one flank of a tooth 30.
Each wall 16 has a conductor-guiding flared surface 18 providing a mouth for the channel 6, in which surface 18 is formed a notch 20 tapering as seen in cross-section, inwardly of the tooth 30. The 9401 _4_ .~ ,. .,
2 notch 20 is defined by a planar ramp bottom surface 22 extending from the face 10 of the template 2 and diverging from the floor 17 in the direction of the end 12 of the template 2, as well as decreasing in width in -that direction, and a planar side surface 25 extending normally of the surface 22 and also tapering in width in the same direction thereas. The surfaces 22 and 25 converge rearwardly of the template up to a point 24 on the surface 18. The wall 14 of the channel 6 extends parallel to that part of wall 16 which lies between the surface 18 and floor 17 and is rectilinear throughout its height and length.
Each channel 8 has a pair of parallel side walls 26 defined by the opposite flanks of a rib 30 and a rib 32, or 33 as the case may be, and by a floor 27, these ribs having conductor-guiding oppositely flared surfaces 19 providing a mouth for the channel 8. The channels 6 and 8 are of the same width below their mouths.
The teeth 30 thicken progressively, up to their notches 20, in order to accommodate these notches~ The teeth 32 thicken towards their bases, for improved strength, but are of overall smaller thickness than the teeth 30.
The walls 26 extend normally of the block 4, the parallel portions of the walls 14 and 16 being angled, by a few degrees with respect to the walis 26, whereby the channels 6 are skewed towards the teeth 30 so that the floor 17 and 27 are constantly spaced from one another, despite the different cross-sectional shapes of the teeth 30 and 32. Consequentially, each floor 17 lies substantially in alignment with the corresponding notch 20.
The template 2 is intended for use with a flat multiconductor transmission cable 34 having an insulating sheath 36 which has been stripped back from the cable end to bare signal conductors 38 and ground conductors 40 all of which are initially coplanar as shown in Figure 1, the conductors 40 being arranged in pairs of juxtaposed con$iguous conductors, as best seen in Figure 6, such pairs alternating with the conductors 38.
As shown in Figure 1, the cable 34 is initially addressed to the template 2 from above, being lowered at an angle a ~Figure 2~ with respect thereto, so that the bared portions of the conductors 38 and 40 enter the mouths of the channels 8 and 6 respectively, guided by the surfaces 18 and 19. As shown in Figures 2, 4 and 6, a first conductor 40 of each pair first impinges against the bottom surface 22 of A respective notch 20 at the ~orward end thereof, being thereby momentarily inhibited from entering the corresponding channel 6.
The pressure towards the template 2 is maintained on the cable 34 so that the first conductor 40 of each pair tends to be splayed away from the floor 17 of the channel 6, the second conductor 40 of the pair freely entering the channel 6.
The cable 3ll is now drawn rearNardly in the direction of the face 12 of the template 2, and is simultaneously lowered towards the template 2 so that the angle between the cable 34 ancl the template 2 is continuously reduced (see Figure 5), whereby each first conductor 40 is progressively and continuously lowered onto the full length of the bottom surface 22. When the cable 34 has been withdrawn sufficiently, the first concluctor 40 of each pair approaches the point ~' 24 on the surface 18 and rolis into the channel 6 ~as shown in Figure 7) in superposition with the second conductor 40 of the pair, which is already in the channel 6. As the cable 34 is further withdrawn, both conductors 40 of each pair are lowered to the floor 17 of the corresponding channel 6 aS shown in Figure 8. During the combing operation described above, each conductor 38 enters a channel 8 and is finally lowered to the floor 27 thereof, as shown in Figures 6 through 8. The fully inserted conductors 38 and 40 are evenly spaced from one another in the transverse direction of the channels 6 and ~.
In the course of the combing operation, the conductors 40 of each pair of relatively reoriented by 90.
As will be apparent from Figure 6, the shape of the notch 20 is such that no horizontal component of motion is imparted to the first conductor 40 of the pair until it is rolled into the channel 6 as described above, after the second conductor 40 of the pair has penetrated into the channel 6 as shown in Figure 7, whereby the first and second conductors 40 of the pair cannot bind in the channel 6.
The flaring of the surfaces 18 and 19 ensures that the conductors are guided into the appropriate channels and allows for substantial tolerances in conductor gauge.
As will best be apparent from Figure 3, the conductors 38 and 40, when finally positioned in the channels 6 and 8, can be advanced by advancing the cabie 34 so that thair ends project from the forward face 10 of templata 4 for termination, e.g., to electrical terminals.
9401 ~7~
~65~
The template 2 may be fitted to an electrical harness making apparatus (not shown), lugs 50 being provided on the template 2 for thi s pu rpose .
,~
Each channel 8 has a pair of parallel side walls 26 defined by the opposite flanks of a rib 30 and a rib 32, or 33 as the case may be, and by a floor 27, these ribs having conductor-guiding oppositely flared surfaces 19 providing a mouth for the channel 8. The channels 6 and 8 are of the same width below their mouths.
The teeth 30 thicken progressively, up to their notches 20, in order to accommodate these notches~ The teeth 32 thicken towards their bases, for improved strength, but are of overall smaller thickness than the teeth 30.
The walls 26 extend normally of the block 4, the parallel portions of the walls 14 and 16 being angled, by a few degrees with respect to the walis 26, whereby the channels 6 are skewed towards the teeth 30 so that the floor 17 and 27 are constantly spaced from one another, despite the different cross-sectional shapes of the teeth 30 and 32. Consequentially, each floor 17 lies substantially in alignment with the corresponding notch 20.
The template 2 is intended for use with a flat multiconductor transmission cable 34 having an insulating sheath 36 which has been stripped back from the cable end to bare signal conductors 38 and ground conductors 40 all of which are initially coplanar as shown in Figure 1, the conductors 40 being arranged in pairs of juxtaposed con$iguous conductors, as best seen in Figure 6, such pairs alternating with the conductors 38.
As shown in Figure 1, the cable 34 is initially addressed to the template 2 from above, being lowered at an angle a ~Figure 2~ with respect thereto, so that the bared portions of the conductors 38 and 40 enter the mouths of the channels 8 and 6 respectively, guided by the surfaces 18 and 19. As shown in Figures 2, 4 and 6, a first conductor 40 of each pair first impinges against the bottom surface 22 of A respective notch 20 at the ~orward end thereof, being thereby momentarily inhibited from entering the corresponding channel 6.
The pressure towards the template 2 is maintained on the cable 34 so that the first conductor 40 of each pair tends to be splayed away from the floor 17 of the channel 6, the second conductor 40 of the pair freely entering the channel 6.
The cable 3ll is now drawn rearNardly in the direction of the face 12 of the template 2, and is simultaneously lowered towards the template 2 so that the angle between the cable 34 ancl the template 2 is continuously reduced (see Figure 5), whereby each first conductor 40 is progressively and continuously lowered onto the full length of the bottom surface 22. When the cable 34 has been withdrawn sufficiently, the first concluctor 40 of each pair approaches the point ~' 24 on the surface 18 and rolis into the channel 6 ~as shown in Figure 7) in superposition with the second conductor 40 of the pair, which is already in the channel 6. As the cable 34 is further withdrawn, both conductors 40 of each pair are lowered to the floor 17 of the corresponding channel 6 aS shown in Figure 8. During the combing operation described above, each conductor 38 enters a channel 8 and is finally lowered to the floor 27 thereof, as shown in Figures 6 through 8. The fully inserted conductors 38 and 40 are evenly spaced from one another in the transverse direction of the channels 6 and ~.
In the course of the combing operation, the conductors 40 of each pair of relatively reoriented by 90.
As will be apparent from Figure 6, the shape of the notch 20 is such that no horizontal component of motion is imparted to the first conductor 40 of the pair until it is rolled into the channel 6 as described above, after the second conductor 40 of the pair has penetrated into the channel 6 as shown in Figure 7, whereby the first and second conductors 40 of the pair cannot bind in the channel 6.
The flaring of the surfaces 18 and 19 ensures that the conductors are guided into the appropriate channels and allows for substantial tolerances in conductor gauge.
As will best be apparent from Figure 3, the conductors 38 and 40, when finally positioned in the channels 6 and 8, can be advanced by advancing the cabie 34 so that thair ends project from the forward face 10 of templata 4 for termination, e.g., to electrical terminals.
9401 ~7~
~65~
The template 2 may be fitted to an electrical harness making apparatus (not shown), lugs 50 being provided on the template 2 for thi s pu rpose .
,~
Claims (8)
1. A device for combing electrical conductors, the device comprising a block in which is formed a conductor receiving channel defined by side walls, the channel extending from a forward face of the block towards a rearward face thereof and having a conductor receiving mouth, wherein for combing a pair of closely juxtaposed conductors into superposed relationship in the channel, one of the side walls, which are otherwise parallel to one another, has a flared surface providing the conductor receiving mouth of the channel, into which surface opens a notch which also opens into the forward face of the block, the notch tapering inwardly of the flared surface and extending from the forward face of the block towards its rearward face, the notch being defined by a side surface, and a bottom ramp surface the depth of which decreases from the forward face of the block towards its rearward face.
2. A device according to Claim 1, wherein bottom surface of the notch terminates, intermediate the forward and rear faces of the block, at a point, on the flared surface.
3. A device according to Claim 1, wherein the side and bottom surfaces of the notch are planar and extend normally of one another, the bottom surface extending normally of the parallel portions of the side walls.
4. A device according to Claim 1, 2 or 3, wherein the side walls of the channel are skewed in such a way that a floor of the channel, connecting the side walls, is in substantial alignment with the notch.
5. A device according to Claim 1, 2 or 3, wherein the channel has a base connecting the side wails, the notch bottom surface being parallel to the base.
6. A device according to Claim 1, wherein the block is formed on either side of the conductor receiving channel, with a further channel extending alongside the conductor receiving channel, for receiving a single conductor, the conductor receiving channel being separated from one of the further channels by a first tooth a flank of which provides the one side wall, the tooth progressively increasing in thickness from its base up to the notch, the conductor receiving channel being separated from the other further channel by a second tooth a flank of which provides the other side wail of the conductor receiving channel, the second tooth increasing in thickness towards its base, the side walls of the conductor receiving channel being skewed into the direction of the first tooth so that floors of all the channels are evenly spaced from one another in the transverse direction of the channels.
7. A device according to Claim 6, wherein the overall thickness of the first tooth is greater than that of the second tooth, the channels being of equal width.
8. A device according to Claim 1, 2 or 3, in combination with a pair of juxtaposed contiguous electrical conductors wherein the width of the or each channel, below its mouth, does not exceed the sum of the diameters of the conductors of the pair so that when inserted into the channel, the conductors of the pair are supported in superposed relationship by the side walls of the channel.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US15778080A | 1980-06-09 | 1980-06-09 | |
| US157,780 | 1988-02-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1165102A true CA1165102A (en) | 1984-04-10 |
Family
ID=22565247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000378242A Expired CA1165102A (en) | 1980-06-09 | 1981-05-25 | Device for combing electrical conductors |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0041816B1 (en) |
| JP (1) | JPS6013176Y2 (en) |
| AT (1) | ATE4663T1 (en) |
| BR (1) | BR8103607A (en) |
| CA (1) | CA1165102A (en) |
| DE (1) | DE3160872D1 (en) |
| ES (1) | ES258838Y (en) |
| HK (1) | HK82086A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2673360B2 (en) * | 1988-06-02 | 1997-11-05 | 日本エー・エム・ピー株式会社 | Flat cable core wire spacing adjustment device and terminal processing device |
| CN106992389A (en) * | 2017-04-21 | 2017-07-28 | 中山市古镇宏立电线电器厂有限公司 | Combined type separated time slot device for plug |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4140360A (en) * | 1977-10-13 | 1979-02-20 | Amp Incorporated | Connector for mass termination of flat multiple wire cable |
| US4181384A (en) * | 1978-02-06 | 1980-01-01 | Amp Incorporated | Flat cable connector having wire deployment means |
| US4260209A (en) * | 1978-09-05 | 1981-04-07 | Amp Incorporated | Transmission cable connector |
| US4412566A (en) * | 1979-11-23 | 1983-11-01 | Amp Incorporated | Apparatus for transposing a pair of parallel and adjacent conductors into a vertical relationship |
-
1981
- 1981-05-25 CA CA000378242A patent/CA1165102A/en not_active Expired
- 1981-06-02 AT AT81302428T patent/ATE4663T1/en not_active IP Right Cessation
- 1981-06-02 EP EP81302428A patent/EP0041816B1/en not_active Expired
- 1981-06-02 DE DE8181302428T patent/DE3160872D1/en not_active Expired
- 1981-06-05 ES ES1981258838U patent/ES258838Y/en not_active Expired
- 1981-06-08 JP JP1981083210U patent/JPS6013176Y2/en not_active Expired
- 1981-06-08 BR BR8103607A patent/BR8103607A/en not_active IP Right Cessation
-
1986
- 1986-10-30 HK HK820/86A patent/HK82086A/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| JPS574173U (en) | 1982-01-09 |
| JPS6013176Y2 (en) | 1985-04-26 |
| HK82086A (en) | 1986-11-07 |
| ATE4663T1 (en) | 1983-09-15 |
| BR8103607A (en) | 1982-03-02 |
| ES258838Y (en) | 1982-10-16 |
| ES258838U (en) | 1982-04-16 |
| EP0041816B1 (en) | 1983-09-14 |
| EP0041816A1 (en) | 1981-12-16 |
| DE3160872D1 (en) | 1983-10-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |