WO1993024976A1 - Locating tool for power pins and receptacles - Google Patents
Locating tool for power pins and receptacles Download PDFInfo
- Publication number
- WO1993024976A1 WO1993024976A1 PCT/US1993/005143 US9305143W WO9324976A1 WO 1993024976 A1 WO1993024976 A1 WO 1993024976A1 US 9305143 W US9305143 W US 9305143W WO 9324976 A1 WO9324976 A1 WO 9324976A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- port
- axis
- receptacle
- disposable
- power
- Prior art date
Links
- 230000000717 retained effect Effects 0.000 claims abstract description 5
- 239000000758 substrate Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 241000237503 Pectinidae Species 0.000 description 2
- 239000004734 Polyphenylene sulfide Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920000069 polyphenylene sulfide Polymers 0.000 description 2
- 235000020637 scallop Nutrition 0.000 description 2
- 239000003989 dielectric material Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000750 progressive effect Effects 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
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
-
- 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
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/53—Means to assemble or disassemble
- Y10T29/5313—Means to assemble electrical device
- Y10T29/532—Conductor
- Y10T29/53209—Terminal or connector
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/53—Means to assemble or disassemble
- Y10T29/5313—Means to assemble electrical device
- Y10T29/53261—Means to align and advance work part
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/53—Means to assemble or disassemble
- Y10T29/53909—Means comprising hand manipulatable tool
- Y10T29/53913—Aligner or center
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/53—Means to assemble or disassemble
- Y10T29/53978—Means to assemble or disassemble including means to relatively position plural work parts
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/53—Means to assemble or disassemble
- Y10T29/53983—Work-supported apparatus
Definitions
- the present invention relates to disposable tool useful for maintaining one or more receptacles or one or more power pins within a header therefor during transport of the same.
- United States Patent 4,887,981 discloses a carrier system for receptacles.
- United States Patent 3,601,770 discloses a detachable endpiece for an edge connector that overhangs the connector housing.
- United States Patent 4,693,528 discloses a connector with anchor clips.
- the present invention relates to a disposable locating tool for use with a receptacle header housing having at least one power receptacle-receiving port formed therein.
- the port may be typically either square or rectangular in shape. At least four lead-in surfaces leading into the first port are provided on the housing.
- the power receptacle-receiving port has a power pin-receiving receptacle disposed therein.
- the receptacle has a barrel with an axis therethrough. The axis of the barrel of the receptacle is prone to misalignment with respect to the axis of the first port.
- the disposable locating tool in accordance with the invention comprises a base having a positioning contour thereon and a plug having an axis therethrough.
- the plug is preferably formed integrally with and extends from the base.
- the plug is sized such that when the positioning contour on the base is engaged against a portion of the header housing adjacent to the port, such as at least two opposed lead-in surfaces (in the event the port is rectangular) or all four lead- in surface (in the event the port is square) the plug extends into the barrel of the receptacle to bring the axis of the same into alignment with the axis of the port.
- the disposable tool may include an additional base for each additional port.
- the base of each additional tool has a positioning contour and an extending plug integral therewith.
- Each additional tool is sized such that when the positioning contour on the base with which it is associated is engaged against a portion of the header housing adjacent to the port, such as at least two opposed lead- in surfaces arranged about each additional port in the header the plug extends into the barrel of the receptacle in that port thereby to bring the axis of that barrel into alignment with the axis of the port in which it is located.
- the extension of a plug into a receptacle in an adjacent port serves to space accurately the receptacles from each other.
- the bases are linked to each other in chain-fashion by an integrally formed web.
- the present invention relates to a disposable pin locating tool for use with a pin header having a housing with one or more power pin-receiving port(s) formed therein.
- Each port is defined by at least four lateral surfaces.
- the port may be either square or rectangular in shape.
- Each port has a power pin with an axis therethrough disposed therewithin. When received in the power port the axis of the pin may be misaligned with respect to the header housing.
- the disposable pin locating tool comprises a sleeve with a central bore and an outer positioning surface thereon.
- the power pin is receivable in and retainable by the sleeve.
- the sleeve is sized such that when the positioning surface thereon engages against at least two opposed surfaces of the port (if the port is rectangular) or engages against all four surfaces of the port (if the port is square) the axis of the pin is retained within the port in a predetermined aligned relationship with the housing.
- a clip integrally formed with each sleeve is attachable to the housing thereby to hold the sleeve having the power pin therein within the first port. If plural tools are required the sleeves may be connected in chain fashion by a web integrally formed between adjacent sleeves.
- Figures 1A through ID are plan views of prior art headers having a generalized representation of a signal field and a generalized generalized representation of a power field having one or more power port(s);
- Figure 2 is a perspective view of a portion of a prior art header as shown in Figure IB having a power field with two power ports therein and illustrating two typical power receptacles receivable thereby;
- Figure 3 is a perspective view of a portion of a prior art header as shown in Figure IB having a power field with two power ports therein and illustrating two typical power .pins receivable thereby;
- Figures 4A through 4C are horizontal sectional views taken along section lines 4-4 in Figure 2, with Figure 4A illustrating the misalignment of the axes of the barrels of power receptacles with respect to the power ports in which they are disposed and/or with respect to each other prior to the insertion of the locating tool in accordance with the present invention, while Figures 4B and 4C respectively illustrate the reaction of the barrels of the power receptacles to the progressive introduction of the locating tool thereinto;
- Figure 5 A is a perspective view of the locating tool for power receptacles shown in Figures 4A through 4C, while Figure 5B is a elevational view of a plurality of tools connected on a web;
- Figures 6A and 6B are, respectively, horizontal and elevational sectional views taken along section lines 6A-6A,
- Figures 7A and 7B are front and rear isometric views of the locating tool for power pins shown in Figures 6 A and 6B, while Figure 7C is an elevational view of an array of tools connected on a web.
- FIGS 1A through ID are meant to convey an illustration of generic prior art headers, each header being indicated by the reference character 10.
- Each header 10 is a generally elongated body member 12 fabricated of a plastic or other dielectric material, as by molding.
- the central region 14 of the header 10 accommodates a generic field 16 of signal contacts.
- the signal contacts may take the form of either male pin contacts or female receptacle contacts.
- the illustrations in Figures 1A through ID are intended to be generic representations of both the pin and the receptacle form of contact. Any convenient number of horizontally disposed rows of such signal contacts may be used.
- Each power field 22 may contain one or more power port(s) 24.
- Each port 24 may accommodate either a male power pin contact or a female power receptacle contact.
- Figure 1A only a single power port 24-1 is disposed at each lateral region 20.
- Figure IB illustrates the case in which each power field 22 contains a pair of power ports 24-1, 24-2.
- Figure 1C shows each power field 22 with three power ports 24-1 through 24-3, while Figure ID illustrates the case of each power field 22 having four power ports 24-1 through 24-4.
- the extension to power fields having greater numbers of power ports is readily apparent.
- each power port 24 has an axis 24A that extends therethrough.
- the power port 24-1 that is located next-adjacent to the signal field 16 has a generally square configuration, as indicated by the character "S” in the Figures. Any additional power port(s) in the power field have generally rectangular configuration(s), as indicated by the character "R”. These conventions apply regardless of the number of power ports 24 that populate a power field.
- the relative location of the ports 24 with respect to the top and bottom edges of the header housing 10 depends upon the number of horizontal rows of signal contacts used in the header.
- Keying receptacles 32 are disposed at the extreme lateral ends of the header 10.
- FIG 2 is a perspective view of a header 10 with a power field 22 as in Figure IB, i. e., a field 22 containing a pair of power ports 24-1, 24-2.
- Each power port 24-1, 24-2 is adapted to receive a respective power receptacle 34-1, 34-2 therein.
- the signal contacts 16 in the signal field 14 are of the form of receptacles.
- each power port 24- 1, 24-2 has four lead-in surfaces 26 A through 26D provided therearound.
- Each power receptacle includes a barrel portion 42 and a mounting base portion 44.
- the barrel portion 42 typically includes a generally circular array of resilient fingers 46 that cooperate to define a socket able to receive the elongated shaft 52 of a power pin 36.
- the barrel portion 42 has an axis 42A that extends therethrough.
- the mounting base 44 has depending legs 48 that enable each power receptacle 34-1, 34-2 to be secured within an array of through-holes H provided in a substrate B.
- Suitable for use as the power receptacle 34-1 is a device sold by Electronics Department of E. I. du Pont de Nemours and Company.
- the power receptacle 34-2 may be implemented using the stamped part disclosed and claimed in copending application Serial Number 07/843,261 (EL-4338) assigned to the assignee of the present invention. Of course, any other suitable form of power receptacle may be used.
- Figure 3 is a perspective view of another header 10 with a power field 22 also conf ning a pair of power ports 24-1, 24- 2 ( Figure IB). However, in this instance each power port 24-1, 24-2 is adapted to receive a respective power pin 36 therein. To this end each power port 24-1, 24-2 is defined by at least four generally planar surfaces 28A through 28D.
- the signal contacts 16 in the signal field 14 are also in the form of pins.
- Each power pin 36-1, 36-2 includes an elongated shaft portion 52 projecting from a mounting base portion 54.
- the shaft portion 52 has an axis 52A that extends therethrough.
- the mounting base portion 54 is provided with a suitable retention arrangement 56 whereby each power pin 36-1, 36-2 may be secured to a pad P or to an array of holes H disposed on or through a substrate B.
- Suitable for use as the power pins are the devices sold by Electronics Department of E. I. du Pont de Nemours and Company or as disclosed and claimed in copending application Serial Number 07/847,666, filed March 4, 1992 (EL-4351) and assigned to the assignee of the present invention.
- a header 10 having one or more power receptacles 34 ( Figure 2) is transported from a manufacturer to a customer with the receptacles 34 self-retained within the header 10. Due to the relatively large clearances, however, the receptacles are rather loosely received within their corresponding ports 24.
- FIGS 4A through 4C and Figure 5 illustrate a disposable locating tool generally indicated by the reference character 60 for use with a header 10 having at least one power receptacle 34 therein which overcomes the disadvantages of misalignment between the axis 42A of the barrel 42 of a receptacle 34 and the axis 24A of its associated power port 24 and, in the event plural power receptacles are provided, the disadvantages of misalignment between or among the plural receptacles.
- the locating tool 60 includes a base portion 62 having a positioning contour 64 thereon.
- a plug portion 66 having an axis 66A extending therethrough, extends from the base 62.
- the plug portion 66 is hollow and has a tapered head 66H thereon.
- the head 66H of the plug 66 is tapered to be easily insertable into the barrel of the receptacle, regardless of its likely orientation within the port.
- the plug 66 extends into the barrel 42 of the first receptacle 34A. This has the effect of bringing the axis 42A of the barrel 42 into alignment with the axis 24A of the first power port 24. Since the aligning action of the locating tool 60 is brought about by engagement between the contour 64 and an opposed pair of lead-in surfaces, the aligning action is effective whether the configuration of the power port 24-1 into which the tool is inserted is square (the conventional case) or whether is exhibits a rectangular or other configuration (e. g., ports 24-2 through 24-4). When the port has a square configuration the contour 64 engages against all four of the lead-in surfaces.
- a second locating tool 60 identical in all respects to the tool previously described, is provided.
- the locating tools 60 are carried on a web 68.
- the axes 66A of the plugs 66 of the adjacent tools 60 are precisely spaced a distance 70 from each other.
- the positioning contour may be engaged against portions of the header housing other than the lead-in surfaces and still remain within the contemplation of the present invention.
- the portion of the housing against which the positioning contour acts lies in the vicinity of the ports 24 in which the receptacle is received.
- the positioning contour 64 may be modified to include a suitable feature 64F (indicated in dot-dash lines in Figures 4C, 5B, 5C) that engages the solely or additionally against the portion of the header housing on the frontal surface thereof between adjacent ports 24 in order to locate the barrel(s) of the receptacles in the manner described above.
- the tools 60 are fabricated from any suitable temperature-stable material, such as polyphenylenesulfide plastic.
- the tools 60 are preferably integrally molded on the web 68.
- each power pin 52 may be misaligned with respect to the axis 24A of the power port in which the pin 52 is received, or, if plural pins 52 are provided, the axes 56A of the shafts 56 of adjacent pins 36 may be misaligned with respect to each other. Again, as a consequence the customer is left with the labor intensive task of properly locating the pins prior to their attachment to the openings on the substrate the header is to populate.
- Figures 6A, 6B and 7A through 7C illustrate a disposable locating tool generally indicated by the reference character 74 for use with a header 10 having at least one power pin 36 therein which overcomes the disadvantages of misalignment between the axis 52A of the shaft 52 and the axis 24A of its associated power port 24 and which overcomes the disadvantages of misalignment between or among the plural pins in the event plural power pins are provided.
- the locating tool 74 includes a sleeve 76 having a central bore 78 extending therethrough and an outer positioning surface 80 thereon.
- the shaft 52 of the power pin 36 is receivable in and retainable by the sleeve 76.
- the sleeve 76 is sized such that when the positioning surface thereon engages against at least two opposed surfaces 28 A, 28 C or 28B, 28D of the port the axis 52A of the shaft 52 of the pin 36 is brought into alignment in a predetermined relationship with the housing.
- the aligning action of the locating tool 74 is brought about by engagement between positioning surface 80 and an opposed pair of surfaces 28 defining the port 24, the aligning action is effective whether the configuration of the power port 24-1 into which it is inserted is square (the conventional case) or whether is exhibits a rectangular or other configuration.
- the positioning surface 78 engages against all four of the surfaces 28 defining the port.
- a second, identical, locating tool 74 is provided in the more usual case in which there are plural power pins 36A and 36B.
- the locating tools 74 are carried on a web 82.
- the axes 76A of the sleeves 76 of the adjacent tools 74 are precisely spaced a distance 84 from each other.
- a clip 88 including a clip arm 88 A and a pair of clip abutment 90A and 90B, may be formed with at least one sleeve 76.
- the clip 88 is integrally formed with sleeve 76.
- the clip 88 is attachable to the header 10 thereby to hold the sleeve 76 within the port.
- plural tools 74 are provided on a web 82, two or more clips 88 may be appropriately located either on the web 82 or on selected sleeves 76.
- the clips 88 may be formed in any alternate manner.
- the tools 74 are fabricated from any suitable temperature-stable material, such as polyphenylenesulfide plastic.
- the tools are integrally molded on the web 82.
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
Disposable tools for locating a power receptacle or a power pin within the corresponding port therefor in a header housing are disclosed. The tool (60) for positioning a receptacle within a port includes a base (62) having a positioning contour (64) and a plug (66) having an axis therethrough extending from the base. The plug is sized such that when the positioning contour on the base is engaged against at least two opposed lead-in surfaces about the port, the plug extends into the barrel of the first receptacle to align the axis of the same with the axis of the port. The tool 74) for positioning a pin within a port includes a sleeve (76) having a central bore (78) extending therethrough and an outer positioning surface (80) thereon. The power pin is receivable in and retainable by the sleeve. The sleeve is sized such that when the positioning surface thereon engages against at least two opposed surfaces of the port, the axis of the pin is retained in a predetermined relationship with the housing.
Description
LOCATING TOOL FOR POWER PINS AND RECEPTACLES
BACKGROUND OF THE INVENTION
Field of the Invention The present invention relates to disposable tool useful for maintaining one or more receptacles or one or more power pins within a header therefor during transport of the same.
Description of the Prior Art In usual practice a power header having one or more receptacles or one or more power pins therein is transported from manufacturer to customer with the receptacles or pins, as the case may be, loosely received within the header. As a consequence the customer is left with the labor intensive task of properly locating the receptacles or the pins prior to attachment of the same on the substrate which the header is to populate.
United States Patent 4,887,981 (Damon et al.) discloses a carrier system for receptacles. United States Patent 3,601,770 (Bowley) discloses a detachable endpiece for an edge connector that overhangs the connector housing. United States Patent 4,693,528 (Asick et al.) discloses a connector with anchor clips.
In view of the foregoing it is believed advantageous to provide a disposable tool for locating the receptacle(s) or the pin(s) in a precise relationship with respect to the header while the header is transported. As a result misalignments of the receptacle(s) or pin(s) with respect to the header that impede the attachment thereof to the substrate are avoided.
SUMMARY OF THE INVENTION
In one aspect the present invention relates to a disposable locating tool for use with a receptacle header housing having at least one power receptacle-receiving port formed therein. The port may be typically either square or rectangular in shape. At least four lead-in surfaces leading into the first port are provided on the housing. The power receptacle-receiving port has a power pin-receiving receptacle disposed therein. The receptacle has a barrel with an axis therethrough. The axis of the barrel of the receptacle is prone to misalignment with respect to the axis of the first port. The disposable locating tool in accordance with the invention comprises a base having a positioning contour thereon and a plug having an axis therethrough. The plug is preferably formed integrally with and extends from the base. The plug is sized such that when the positioning contour on the base is engaged against a portion of the header housing adjacent to the port, such as at least two opposed lead-in surfaces (in the event the port is rectangular) or all four lead- in surface (in the event the port is square) the plug extends into the barrel of the receptacle to bring the axis of the same into alignment with the axis of the port.
In the event the header includes additional power ports each having additional receptacle(s) therein the disposable tool may include an additional base for each additional port. The base of each additional tool has a positioning contour and an extending plug integral therewith. Each additional tool is sized such that when the positioning contour on the base with which it is associated is engaged against a portion of the header housing adjacent to the port, such as at least two opposed lead- in surfaces arranged about each additional port in the header the plug extends into the barrel of the receptacle in that port thereby to bring the axis of that barrel into alignment with the axis of the port in which it is located. Moreover, the extension of a plug into a receptacle in an adjacent port serves to space
accurately the receptacles from each other. When plural tools are required the bases are linked to each other in chain-fashion by an integrally formed web.
In another aspect the present invention relates to a disposable pin locating tool for use with a pin header having a housing with one or more power pin-receiving port(s) formed therein. Each port is defined by at least four lateral surfaces. The port may be either square or rectangular in shape. Each port has a power pin with an axis therethrough disposed therewithin. When received in the power port the axis of the pin may be misaligned with respect to the header housing.
The disposable pin locating tool comprises a sleeve with a central bore and an outer positioning surface thereon. The power pin is receivable in and retainable by the sleeve. The sleeve is sized such that when the positioning surface thereon engages against at least two opposed surfaces of the port (if the port is rectangular) or engages against all four surfaces of the port (if the port is square) the axis of the pin is retained within the port in a predetermined aligned relationship with the housing. A clip integrally formed with each sleeve is attachable to the housing thereby to hold the sleeve having the power pin therein within the first port. If plural tools are required the sleeves may be connected in chain fashion by a web integrally formed between adjacent sleeves.
BRIEF DESCRIPTION OF THE DRAWINGS
The invention will be more fully understood from the following detailed description, taken in accordance with the accompanying drawings, which form a part of this application and in which:
Figures 1A through ID are plan views of prior art headers having a generalized representation of a signal field
and a generalized generalized representation of a power field having one or more power port(s);
Figure 2 is a perspective view of a portion of a prior art header as shown in Figure IB having a power field with two power ports therein and illustrating two typical power receptacles receivable thereby;
Figure 3 is a perspective view of a portion of a prior art header as shown in Figure IB having a power field with two power ports therein and illustrating two typical power .pins receivable thereby;
Figures 4A through 4C are horizontal sectional views taken along section lines 4-4 in Figure 2, with Figure 4A illustrating the misalignment of the axes of the barrels of power receptacles with respect to the power ports in which they are disposed and/or with respect to each other prior to the insertion of the locating tool in accordance with the present invention, while Figures 4B and 4C respectively illustrate the reaction of the barrels of the power receptacles to the progressive introduction of the locating tool thereinto; Figure 5 A is a perspective view of the locating tool for power receptacles shown in Figures 4A through 4C, while Figure 5B is a elevational view of a plurality of tools connected on a web;
Figures 6A and 6B are, respectively, horizontal and elevational sectional views taken along section lines 6A-6A,
6B-6B in Figure 2, illustrating a locating and retaining tool in accordance with the present invention; and
Figures 7A and 7B are front and rear isometric views of the locating tool for power pins shown in Figures 6 A and 6B, while Figure 7C is an elevational view of an array of tools connected on a web.
DETAILED DESCRIPTION OF THE INVENTION
Throughout the following detailed description similar reference numerals refer to similar elements in all Figures of the drawings.
Figures 1A through ID are meant to convey an illustration of generic prior art headers, each header being indicated by the reference character 10. Each header 10 is a generally elongated body member 12 fabricated of a plastic or other dielectric material, as by molding. The central region 14 of the header 10 accommodates a generic field 16 of signal contacts. Depending upon the application the signal contacts may take the form of either male pin contacts or female receptacle contacts. The illustrations in Figures 1A through ID are intended to be generic representations of both the pin and the receptacle form of contact. Any convenient number of horizontally disposed rows of such signal contacts may be used.
One or both of the lateral regions 20 of the header 10 is provided with a power field 22. Each power field 22 may contain one or more power port(s) 24. Each port 24 may accommodate either a male power pin contact or a female power receptacle contact. In Figure 1A only a single power port 24-1 is disposed at each lateral region 20. Figure IB illustrates the case in which each power field 22 contains a pair of power ports 24-1, 24-2. Figure 1C shows each power field 22 with three power ports 24-1 through 24-3, while Figure ID illustrates the case of each power field 22 having four power ports 24-1 through 24-4. The extension to power fields having greater numbers of power ports is readily apparent. As is best seen in Figures 2 through 4 each power port 24 has an axis 24A that extends therethrough.
It is the practice in the industry that the power port 24-1 that is located next-adjacent to the signal field 16 has a generally square configuration, as indicated by the character "S" in the Figures. Any additional power port(s) in the power field have generally rectangular configuration(s), as indicated
by the character "R". These conventions apply regardless of the number of power ports 24 that populate a power field. The relative location of the ports 24 with respect to the top and bottom edges of the header housing 10 depends upon the number of horizontal rows of signal contacts used in the header.
Keying receptacles 32 are disposed at the extreme lateral ends of the header 10.
As noted, depending upon the application a power port 24 may receive either a power receptacle 34 or a power pin 36. Figure 2 is a perspective view of a header 10 with a power field 22 as in Figure IB, i. e., a field 22 containing a pair of power ports 24-1, 24-2. Each power port 24-1, 24-2 is adapted to receive a respective power receptacle 34-1, 34-2 therein. The signal contacts 16 in the signal field 14 are of the form of receptacles. To facilitate the entry of a power pin 36 into a corresponding power receptacle 34 each power port 24- 1, 24-2 has four lead-in surfaces 26 A through 26D provided therearound. Each power receptacle, whatever its form, includes a barrel portion 42 and a mounting base portion 44. The barrel portion 42 typically includes a generally circular array of resilient fingers 46 that cooperate to define a socket able to receive the elongated shaft 52 of a power pin 36. The barrel portion 42 has an axis 42A that extends therethrough. The mounting base 44 has depending legs 48 that enable each power receptacle 34-1, 34-2 to be secured within an array of through-holes H provided in a substrate B. Suitable for use as the power receptacle 34-1 is a device sold by Electronics Department of E. I. du Pont de Nemours and Company. The power receptacle 34-2 may be implemented using the stamped part disclosed and claimed in copending application Serial Number 07/843,261 (EL-4338) assigned to the assignee of the present invention. Of course, any other suitable form of power receptacle may be used.
Figure 3 is a perspective view of another header 10 with a power field 22 also conf ning a pair of power ports 24-1, 24- 2 (Figure IB). However, in this instance each power port 24-1, 24-2 is adapted to receive a respective power pin 36 therein. To this end each power port 24-1, 24-2 is defined by at least four generally planar surfaces 28A through 28D. The signal contacts 16 in the signal field 14 are also in the form of pins. Each power pin 36-1, 36-2 includes an elongated shaft portion 52 projecting from a mounting base portion 54. The shaft portion 52 has an axis 52A that extends therethrough. The mounting base portion 54 is provided with a suitable retention arrangement 56 whereby each power pin 36-1, 36-2 may be secured to a pad P or to an array of holes H disposed on or through a substrate B. Suitable for use as the power pins are the devices sold by Electronics Department of E. I. du Pont de Nemours and Company or as disclosed and claimed in copending application Serial Number 07/847,666, filed March 4, 1992 (EL-4351) and assigned to the assignee of the present invention.
•o-O-o-
In practice a header 10 having one or more power receptacles 34 (Figure 2) is transported from a manufacturer to a customer with the receptacles 34 self-retained within the header 10. Due to the relatively large clearances, however, the receptacles are rather loosely received within their corresponding ports 24.
In such a state, in a header 10 having power receptacles 34 therein (Figure 2) the axes 42A of the barrels 42 of adjacent power receptacles 42 may lie in misalignment with respect to the axle 24A of the port in which the barrel 42 is received. Moreover, if plural receptacles 42 are provided in a given header 10, the axes 42A of the barrels of adjacent receptacles 34 may lie in misalignment with respect to each other. This
condition is illustrated in Figure 4A. As a consequence the customer is left with the labor intensive task of properly locating the receptacles prior to their attachment to the openings on the substrate the header is to populate. Figures 4A through 4C and Figure 5 illustrate a disposable locating tool generally indicated by the reference character 60 for use with a header 10 having at least one power receptacle 34 therein which overcomes the disadvantages of misalignment between the axis 42A of the barrel 42 of a receptacle 34 and the axis 24A of its associated power port 24 and, in the event plural power receptacles are provided, the disadvantages of misalignment between or among the plural receptacles.
The locating tool 60 includes a base portion 62 having a positioning contour 64 thereon. A plug portion 66, having an axis 66A extending therethrough, extends from the base 62. Preferably, the plug portion 66 is hollow and has a tapered head 66H thereon. As may be appreciated from Figures 4B and 4C, the head 66H of the plug 66 is tapered to be easily insertable into the barrel of the receptacle, regardless of its likely orientation within the port. When the positioning contour 64 on the base 62 is engaged against against a portion of the header housing, preferably at least two opposed lead-in surfaces 26 A, 26C, or 26B, 26D disposed about the first port 24-1 the plug 66 extends into the barrel 42 of the first receptacle 34A. This has the effect of bringing the axis 42A of the barrel 42 into alignment with the axis 24A of the first power port 24. Since the aligning action of the locating tool 60 is brought about by engagement between the contour 64 and an opposed pair of lead-in surfaces, the aligning action is effective whether the configuration of the power port 24-1 into which the tool is inserted is square (the conventional case) or whether is exhibits a rectangular or other configuration (e. g., ports 24-2 through 24-4). When the port has a square
configuration the contour 64 engages against all four of the lead-in surfaces.
In the more usual case in which there are plural power receptacles 34A and 34B, a second locating tool 60, identical in all respects to the tool previously described, is provided. In the preferred implementation the locating tools 60 are carried on a web 68. The axes 66A of the plugs 66 of the adjacent tools 60 are precisely spaced a distance 70 from each other. As a consequence, when the positioning contour 64 on the second base 62 engages against a portion of the header housing, preferably at least two opposed lead-in surfaces 26A, 26C, or 26B, 26D disposed about the second port 24-2 the second plug 66 extends into the barrel 42 of the second receptacle 34B. This has the effect of not only bringing the axis 42A of the second barrel 42 into alignment with the axis 24A of the second power port 24-2, but also locating the axes 42A of the barrels of the receptacles precisely in parallel relationship. Thus, after the receptacles 34 are affixed to the substrate B and the tools 60 then removed, the adjacent receptacles are arrangement to expeditiously receive the power pins in a mating header. The scallops 73 formed on the web 68 provide a convenient location at which a removal tool may be inserted to remove the web 68 from the header.
It is noted that the positioning contour may be engaged against portions of the header housing other than the lead-in surfaces and still remain within the contemplation of the present invention. Preferably, the portion of the housing against which the positioning contour acts lies in the vicinity of the ports 24 in which the receptacle is received. For example, the positioning contour 64 may be modified to include a suitable feature 64F (indicated in dot-dash lines in Figures 4C, 5B, 5C) that engages the solely or additionally against the portion of the header housing on the frontal surface thereof between adjacent ports 24 in order to locate the barrel(s) of the receptacles in the manner described above.
In the preferred case the tools 60 are fabricated from any suitable temperature-stable material, such as polyphenylenesulfide plastic. The tools 60 are preferably integrally molded on the web 68.
•o-O-o-
In the instance where the header 10 is provided with one or more power pins (Figure 3), the power pins are not self- retained but are rather loosely received within the corresponding ports 24 formed in the header 10. As before, when in such a state the axis 56A of the shaft 56 each power pin 52 may be misaligned with respect to the axis 24A of the power port in which the pin 52 is received, or, if plural pins 52 are provided, the axes 56A of the shafts 56 of adjacent pins 36 may be misaligned with respect to each other. Again, as a consequence the customer is left with the labor intensive task of properly locating the pins prior to their attachment to the openings on the substrate the header is to populate. Figures 6A, 6B and 7A through 7C illustrate a disposable locating tool generally indicated by the reference character 74 for use with a header 10 having at least one power pin 36 therein which overcomes the disadvantages of misalignment between the axis 52A of the shaft 52 and the axis 24A of its associated power port 24 and which overcomes the disadvantages of misalignment between or among the plural pins in the event plural power pins are provided.
The locating tool 74 includes a sleeve 76 having a central bore 78 extending therethrough and an outer positioning surface 80 thereon. The shaft 52 of the power pin 36 is receivable in and retainable by the sleeve 76. The sleeve 76 is sized such that when the positioning surface thereon engages against at least two opposed surfaces 28 A, 28 C or 28B, 28D of the port the axis 52A of the shaft 52 of the pin 36 is brought into alignment in a predetermined relationship with the
housing. Since the aligning action of the locating tool 74 is brought about by engagement between positioning surface 80 and an opposed pair of surfaces 28 defining the port 24, the aligning action is effective whether the configuration of the power port 24-1 into which it is inserted is square (the conventional case) or whether is exhibits a rectangular or other configuration. When the port 24-1 has a square configuration the positioning surface 78 engages against all four of the surfaces 28 defining the port. In the more usual case in which there are plural power pins 36A and 36B, a second, identical, locating tool 74 is provided. Again, in the preferred case the locating tools 74 are carried on a web 82. The axes 76A of the sleeves 76 of the adjacent tools 74 are precisely spaced a distance 84 from each other. As a consequence when the positioning surface 80 on the second sleeve 76 engages against at least two opposed surfaces 28A, 28C, or 28B, 28D disposed about the second port 24-2 the aligning action of the sleeve 76 serves to bring the axes 52A of the shafts 52 of the pins 36 into parallel relationship with each other and with the axes of the ports in which they are disposed. Thus, after the pins 36 are affixed to the substrate B and the tools 74 removed the adjacent pins 36 are properly arranged for expeditious insertion into a receptacle in a mating header. Scallops 87 (Figure 6B) facilitate this removal.
As is believed best seen in Figure 6B a clip 88, including a clip arm 88 A and a pair of clip abutment 90A and 90B, may be formed with at least one sleeve 76. Preferably the clip 88 is integrally formed with sleeve 76. The clip 88 is attachable to the header 10 thereby to hold the sleeve 76 within the port. If plural tools 74 are provided on a web 82, two or more clips 88 may be appropriately located either on the web 82 or on selected sleeves 76. The clips 88 may be formed in any alternate manner.
In the preferred case the tools 74 are fabricated from any suitable temperature-stable material, such as polyphenylenesulfide plastic. The tools are integrally molded on the web 82.
■o-O-o-
Those skilled in the art, having the benefit of the teachings of the present invention as hereinabove set forth may effect numerous modifications thereto. Such modifications as are discussed herein and which appear to those skilled in the art are to be construed as lying within the scope of the present invention, as defined by the appended claims.
Claims
1. A disposable locating tool for use with a receptacle header housing, the housing having a first power receptacle-receiving port formed therein, the first power receptacle-receiving port having an axis therethrough, the first power receptacle-receiving port having a first power pin-receiving receptacle disposed therein, the first receptacle having a barrel with an axis therethrough, the axis of the first barrel being able to lie in misalignment with respect to the axis of the first port, the disposable locating tool comprising: a base having a positioning contour thereon, a plug having an axis therethrough extending from the base, the plug being sized such that when the positioning contour on the base is engaged against a portion of the header housing about the first port the plug extends into the barrel of the first receptacle to bring the axis of the same into alignment with the axis of the first port.
2. The disposable receptacle locating tool of claim 1 wherein the housing has at least four lead-in surfaces leading into the first port, and wherein the positioning contour engages against at least two lead-in surfaces about the first port to align the axis of the barrel of the receptacle with the axis of the first port.
3. The disposable receptacle locating tool of claim 2 wherein the housing has at least four lead-in surfaces leading into the first port, and the first port is square, and wherein the positioning contour on the base engages against all four lead-in surfaces about the first port to align the axis of the barrel of the receptacle with the axis of the first port.
4. The disposable receptacle locating tool of claim 1 wherein the header has at least a second power receptacle- receiving port formed in the housing adjacent to the first port, the second port having an axis therethrough, the second port having a second power pin-receiving receptacle disposed therein, the second receptacle having a barrel with an axis therethrough, the axis of the second barrel being able to lie in misalignment with respect to the axis of the second port, the disposable locating tool further comprising: a second base having a positioning contour thereon, a second plug having an axis therethrough extending from the second base, the second plug being sized such that when the positioning contour on the second base is engaged against a portion of the header housing about the second port the second plug extends into the barrel of the second receptacle to bring the axis of the same into alignment with the axis of the second port, thereby spacing the axis of the second receptacle a predetermined distance from the axis of the first socket.
5. The disposable receptacle locating tool of claim 4 wherein the housing has at least four lead-in surfaces leading into the first and second ports, and wherein the positioning contour on the first base engages against at least two lead-in surfaces about the first port to align the axis of the barrel of the first receptacle with the axis of the first port and wherein the positioning contour engages against at least two lead-in surfaces about the second port to align the axis of the barrel of the second receptacle with the axis of the second port.
6. The disposable receptacle locating tool of claim 5 wherein the second port is square, and wherein the positioning contour on the second base engages against all four lead-in surfaces about the second port to align the axis of the second barrel with the axis of the second port.
7. The disposable receptacle locating tool of claim 5 wherein the second power receptacle-receiving opening is rectangular.
8. The disposable receptacle locating tool of claim 4 further comprising a web integrally formed with both the first and the second bases.
9. The disposable receptacle locating tool of claim 5 further comprising a web integrally formed with both the first and the second bases.
10. The disposable receptacle locating tool of claim 1 wherein the plug is integrally formed with the base.
11. A disposable pin locating tool for use with a pin header having a housing with at least a first power pin- receiving port defined by at least four surfaces, a power pin having an axis therethrough disposed within the first port, the disposable pin locating tool comprising: a sleeve having a central bore extending therethrough and an outer positioning surface thereon, the power pin being receivable in and retainable by the sleeve, the sleeve being sized such that when the positioning surface thereon engages against at least two opposed surfaces of the port the axis of the pin is retained in a predetermined relationship with the housing.
12. The disposable pin locating tool of claim 11 wherein the port is square, and wherein the positioning surface on the sleeve engages against all four surfaces thereof.
13. The disposable pin locating tool of claim 11 wherein the housing has a second power pin-receiving port defined by at least four surfaces, the second port being adjacent to the first port, a second power pin having an axis therethrough disposed within the second port, the disposable pin locating tool comprising: a second sleeve having a central bore extending therethrough and an outer positioning surface thereon, the second power pin being receivable in and retainable by the second sleeve, the second sleeve being sized such that when the positioning surface thereon engages against at least two opposed surfaces of the second port the axis of the second pin is retained in a predetermined relationship with the housing.
14. The disposable pin locating tool of claim 13 wherein the second port is rectangular.
15. The disposable pin locating tool of claim 13 wherein the second port is square, and wherein the positioning surface on the second sleeve engages against all four surfaces thereof.
16. The disposable pin locating tool of claim 14 further comprising a web integrally formed with both the first and the second sleeves.
17. The disposable pin locating tool of claim 13 further comprising a web integrally formed with both the first and the second sleeves.
18. The disposable pin locating tool of claim 11 further comprising a clip integrally formed with the sleeve, the clip being attachable to the housing thereby to hold the sleeve having the power pin therein within the first port.
19. The disposable pin locating tool of claim 13 further comprising a clip integrally formed with each of the first and the second sleeves, each clip being attachable to the housing thereby to hold the first and the second sleeves respectively having the first and seconds power pins therein within the respective first and second ports.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP93915166A EP0642701B1 (en) | 1992-05-29 | 1993-05-28 | Locating tool for power pins and receptacles |
JP50081394A JP3241727B2 (en) | 1992-05-29 | 1993-05-28 | Power pin and receptacle positioning tool |
DE69330095T DE69330095T2 (en) | 1992-05-29 | 1993-05-28 | POSITIONING TOOL FOR ELECTRICAL PLUGS AND SOCKETS |
KR1019940704293A KR950701774A (en) | 1992-05-29 | 1993-05-28 | Locating Tool for Power Pins and Receptacles |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/891,380 | 1992-05-29 | ||
US07/891,380 US5237739A (en) | 1992-05-29 | 1992-05-29 | Locating tool for power pins and receptacles |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1993024976A1 true WO1993024976A1 (en) | 1993-12-09 |
Family
ID=25398094
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1993/005143 WO1993024976A1 (en) | 1992-05-29 | 1993-05-28 | Locating tool for power pins and receptacles |
Country Status (7)
Country | Link |
---|---|
US (2) | US5237739A (en) |
EP (1) | EP0642701B1 (en) |
JP (1) | JP3241727B2 (en) |
KR (1) | KR950701774A (en) |
DE (1) | DE69330095T2 (en) |
SG (2) | SG46585A1 (en) |
WO (1) | WO1993024976A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5651684A (en) * | 1995-05-31 | 1997-07-29 | Berg Technology, Inc. | Vacuum pick up cap for use in manipulating receptacles |
US5810611A (en) * | 1996-02-29 | 1998-09-22 | Berg Technology, Inc. | Pick up cover for use in transporting electrical headers |
JP4066004B2 (en) * | 1997-10-13 | 2008-03-26 | 忠弘 大見 | Fixing method and fixing jig for a plurality of lower members having a hole serving as a reference for upper member attachment |
JP2001003859A (en) * | 1999-06-16 | 2001-01-09 | Toyota Autom Loom Works Ltd | Piston assembling method and positioning jig |
FR2972444B1 (en) * | 2011-03-07 | 2013-10-18 | Peugeot Citroen Automobiles Sa | DEVICE FOR DECONTAMINATING A LIQUID, NEBULIZING AIR REFRIGERATION SYSTEM PROVIDED WITH SUCH A DEVICE, REFRESHING METHOD, AND ASSOCIATED MOTOR VEHICLE |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2963090A (en) * | 1958-12-15 | 1960-12-06 | Jersey Prod Res Co | Aligning means for well equipment |
US3601770A (en) * | 1969-07-17 | 1971-08-24 | United Carr Inc | Edge connector for printed circuit panels |
US4693528A (en) * | 1985-05-31 | 1987-09-15 | Amp Incorporated | Surface mount connector with floating terminals |
US4887981A (en) * | 1987-11-25 | 1989-12-19 | Augat Inc. | Electronic socket carrier system |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH658549A5 (en) * | 1980-04-17 | 1986-11-14 | Siemens Ag Albis | Electrical plug connector and tools for it |
DE3769501D1 (en) * | 1986-03-17 | 1991-05-29 | Ibm | TOOL AND METHOD FOR ASSEMBLING A PRINTED CIRCUIT BOARD. |
-
1992
- 1992-05-29 US US07/891,380 patent/US5237739A/en not_active Expired - Fee Related
-
1993
- 1993-03-12 US US08/034,829 patent/US5383268A/en not_active Expired - Fee Related
- 1993-05-28 WO PCT/US1993/005143 patent/WO1993024976A1/en active IP Right Grant
- 1993-05-28 KR KR1019940704293A patent/KR950701774A/en not_active IP Right Cessation
- 1993-05-28 SG SG1996006245A patent/SG46585A1/en unknown
- 1993-05-28 JP JP50081394A patent/JP3241727B2/en not_active Expired - Fee Related
- 1993-05-28 EP EP93915166A patent/EP0642701B1/en not_active Expired - Lifetime
- 1993-05-28 DE DE69330095T patent/DE69330095T2/en not_active Expired - Fee Related
-
1996
- 1996-04-01 SG SG1998000910A patent/SG68664A1/en unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2963090A (en) * | 1958-12-15 | 1960-12-06 | Jersey Prod Res Co | Aligning means for well equipment |
US3601770A (en) * | 1969-07-17 | 1971-08-24 | United Carr Inc | Edge connector for printed circuit panels |
US4693528A (en) * | 1985-05-31 | 1987-09-15 | Amp Incorporated | Surface mount connector with floating terminals |
US4887981A (en) * | 1987-11-25 | 1989-12-19 | Augat Inc. | Electronic socket carrier system |
Non-Patent Citations (1)
Title |
---|
See also references of EP0642701A4 * |
Also Published As
Publication number | Publication date |
---|---|
US5237739A (en) | 1993-08-24 |
EP0642701A4 (en) | 1996-05-22 |
US5383268A (en) | 1995-01-24 |
KR950701774A (en) | 1995-04-28 |
JP3241727B2 (en) | 2001-12-25 |
SG46585A1 (en) | 1998-02-20 |
EP0642701B1 (en) | 2001-04-04 |
DE69330095T2 (en) | 2001-10-25 |
JPH08502380A (en) | 1996-03-12 |
EP0642701A1 (en) | 1995-03-15 |
SG68664A1 (en) | 1999-11-16 |
DE69330095D1 (en) | 2001-05-10 |
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