EP0317586B1 - Keying system for connector assemblies - Google Patents
Keying system for connector assemblies Download PDFInfo
- Publication number
- EP0317586B1 EP0317586B1 EP19880904348 EP88904348A EP0317586B1 EP 0317586 B1 EP0317586 B1 EP 0317586B1 EP 19880904348 EP19880904348 EP 19880904348 EP 88904348 A EP88904348 A EP 88904348A EP 0317586 B1 EP0317586 B1 EP 0317586B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- keying elements
- keying
- elements
- connector assemblies
- connector
- 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 - Lifetime
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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
- H01R13/64—Means for preventing incorrect coupling
- H01R13/645—Means for preventing incorrect coupling by exchangeable elements on case or base
- H01R13/6456—Means for preventing incorrect coupling by exchangeable elements on case or base comprising keying elements at different positions along the periphery of the connector
Definitions
- the invention relates to a keying system for permitting mating together of connector assemblies.
- a suitable keying system for mating pairs of the connector assemblies will permit mating together of the connector assemblies in corresponding predeterminate positions with respect to one another.
- the suitable keying system further will produce a variety of keying combinations from which a particular keying combination is selected and then applied to the pair of connector assemblies.
- the suitable keying system will prevent mating together of connector assemblies not having the same keying combination.
- a keying system disclosed in U.S. patent 4,376,565 includes break away portions providing slots in a first connector assembly and opposing grooves in a second connector assembly. A key is added to either one or the other of an opposing slot or groove to provide a selected keying combination.
- the prior keying system requires assembly of separate keys to corresponding connector assemblies.
- a disadvantage may arise that the separate keys are absent at a time when the connector assemblies are ready for installation as a mated pair. Accordingly, a need exists for a keying system constructed directly on corresponding connector assemblies for providing a selected keying combination available at a time when the corresponding connector assemblies are intended as a mated pair.
- An object of the invention is provision of an improved keying system formed during manufacture directly on corresponding connector assemblies and providing a variety of keying combinations from which a keying combination is selected.
- Another object of the invention is provision of a keying system for connector assemblies in which one of the connector assemblies has opposite sides and is provided with removable individual keying elements arranged in a first pattern on one side and a second pattern on the other side, and the other of the connector assemblies has opposite sides and is provided with removable individual keying elements arranged in a repeated first pattern and a repeated second pattern on each of the opposite sides.
- the sides are duplicates of each other for convenient manufacture of a part of single design.
- the invention consists in a pair of mating connector assemblies as defined in claim 1 and according to another aspect thereof the invention consists in a method of mating said connector assemblies as defined in claim 3.
- a first connector assembly 1 is shown and includes an insulative housing 2 containing rows of conductive pins 3.
- the pins 3 project from the housing 2 for connection into corresponding apertures of a printed circuit board, not shown.
- the first connector assembly 1 includes a pair of eject mechanisms 4,4 having latch arms 5,5. Projections 6,6 on the latch arms register within corresponding openings 7,7, one of which is shown in a second connector assembly 8 constructed for mating with the first connector assembly 1.
- connector assemblies 1,8 The construction of the connector assemblies 1,8 is disclosed in further detail by U.S. Patents 4,448,471 and 4,178,051.
- the connector assemblies 1,8 are constructed as disclosed by the Patents, and are further constructed with a keying system 9 the details of which are disclosed below.
- the first connector assembly 1 is provided with keying elements 10,11,12,13 forming keyway sections and being manufactured as parts of the first connector assembly 1.
- the keying elements 10,11,12,13 are integral parts of the insulative housing 2 and are formed during manufacture of the insulative housing 2 by known plastics forming techniques.
- Each keying elements 10,11,12,13 is a keyway section and include integral webs 14,14 of thin wall insulative material joined to the insulative housing.
- individual keying elements 10,11 are arranged in a first pattern 15 on a first side 16 of the first connector assembly 1
- individual keying elements 12,13 are arranged in a second pattern 17 on a second side 18 of the first connector assembly 1.
- the first pattern 15 is defined by the number of individual keying elements 10,11 and the spacing separating the individual keying elements 10,11 along the corresponding side 16 of the housing 2 of the first connector assembly 1.
- the second pattern 17 is different from the first pattern 15 and is defined by the number of individual keying elements 12,13 and the spacing separating the individual keying elements 12,13 along the corresponding side 18 of the housing 2.
- the second connector assembly 8 includes a cable assembly 19.
- the cable assembly 19 may comprise an electrical cable 20 connected to an electrical connector 21.
- the axis of the cable 20 is offset from the axis of the connector 21. Further details of the cable assembly 19 are disclosed in U.S. Patent 4,243,288.
- the cable assembly 19 may comprise, for example, the cable 20 connected to a circuit board (not shown) instead of being connected to the connector 21.
- the second connector assembly 8 also includes a first cover plate 22 forming a first side portion 22 of the second connector assembly 8 and a second cover plate 23 forming a second side portion 23 of the second connector assembly 8.
- the cover plates 22,23 are assembled to each other and are constructed to enclose the cable assembly 19 to the extent as shown in Figure 1.
- Each cover plate 22,23 has an interior 24, shown in Figure 2, provided with a recess 25 shaped to nest with the exterior of the connector 21 when the corresponding cover plate 22,23 is assembled over the cable assembly 19.
- the interior 24 of each cover plate 22,23 is further provided with spaced apart and projecting ribs 26,26 constructed to extend transversely of the cable 20 and to impinge against the cable 20 when the corresponding cover plate 22,23 is assembled over the cable assembly 19.
- the interior 24 of each cover plate 22,23 is further provided with spaced apart recesses 27,27.
- the cable 20 may be interposed between the ribs 26,26 of a corresponding cover plate 23 and the recesses 27,27 of the opposite corresponding cover plate 22.
- the ribs 26,26 are opposite the corresponding recesses 27,27 and impinge against the cable 20 to press the cable 20 partially into the recesses 27,27.
- the cover plates 22,23 clamp the cable 20 and provide a cable strain relief that resists separation of the cable 20 from the connector 19 as the result of a tensile force on the cable 20.
- Each cover plate 22,23 includes fastener receiving apertures 28,28,28,28 into which self threading fasteners 29,29,29,29 are driven to secure the cover plates 22,23 together.
- Each cover plate 22,23 is covered with a conductive metal coating applied, for example, according to known techniques of applying plated metal on plastics material.
- the second connector assembly 8 is provided with keying elements 30,31,32,33 manufactured as parts of the second connector assembly 8.
- the keying elements 30,31,32,33 are integral parts of the cover plates 22,23 and are formed during manufacture of the cover plates 22,23 by known plastics forming techniques.
- Each keying elements 30,31,32,33 comprises a projecting key that includes an integral web 34 of thin wall insulative material joined the the corresponding cover plate 22,23.
- the individual keying elements 30,31 are arranged in a repeated first pattern 35, shown in Figure 6, and the individual keying elements 32,33 are arranged in a repeated second pattern 36, shown in Figure 7, that is within and bounded by the repeated first pattern 35.
- a first keying combination is selected to provide polarity of the second connector assembly 8 with respect to the first connector assembly 1.
- each side 22,23 of the second connector assembly 18 has removable individual keying elements 30,31,32,33 arranged in a repeated first pattern 35 and a repeated second pattern 36.
- Either the repeated first pattern 35 or the repeated second pattern 36 is determined to be redundant and is removed, thereby to select a first keying combination of each nonremoved individual keying elements 30,31,32,33 of the second connector assembly 8 opposing a corresponding individual keying elements 10,11,12,13 of the first connector assembly 1.
- the first keying combination will result in each nonremoved individual keying elements 30,31 of the repeated first pattern 35 opposing a corresponding nonremoved individual keying elements 10,11 of the first pattern 15, and each nonremoved individual keying elements 32,33 of the repeated second pattern 36 opposing a corresponding nonremoved individual keying elements 12,13 of the second pattern 17.
- the first side 22 of the second connector assembly 8 is provided with nonremoved individual keying elements 30,31 arranged in the repeated first pattern 35, after removal of the redundant keying elements 32,33 of the repeated second pattern 36.
- the first side 22 is matched for polarity with the corresponding first side 16 of the first connector assembly 1 having the corresponding first pattern 15 of individual keying elements 10,11.
- the second side 23 of the second connector assembly 8 is provided with nonremoved individual keying elements 32,33 arranged in the repeated second pattern 36, after removal of the redundant keying elements 30,31 of the repeated first pattern 35.
- the second side 23 is matched for polarity with the corresponding second side 18 of the first connector assembly 1 having the corresponding second pattern 17 of individual keying elements 12,13.
- the connector assemblies 1,8 are provided with a further keying combination to permit mating together of only the connector assemblies 1,8 having the same keying combination.
- the connector assemblies 1,8 are first provided with the first keying combination wherein each nonremoved individual keying elements 30,31,32,33 of the second connector assembly 8 is opposing a corresponding nonremoved individual keying elements 10,11,12,13 of the first connector assembly 1.
- To provide the further keying combination either one or the other of the opposing individual keying elements 30,10; 31,11; 32,12; 33,13 is removed.
- a further keying combination is achieved by removing one or the other in each pair 30,10; 31,11 of the directly opposed individual keying elements of the first pattern 16 and of the repeated first pattern 35.
- the individual keying elements 11 of the first connector assembly 1 is removed, leaving a vacancy, for example, in the form of a keyway 37, to be occupied by the nonremoved and directly opposed individual keying elements 37 of the second connector assembly 8. Removal of any one of the keyway sections 10,11,13,14 will leave a corresponding vacancy 37 in the form of a keyway 37.
- the individual keying elements 30 of the second connector assembly 8 is removed, leaving a vacancy 38 for example, space 38 to be occupied by the nonremoved and directly opposed keying elements 10 of the first connector assembly 1.
- a further keying combination is achieved by removing one or the other of each pair 32,12; 33,13 of directly opposed individual keying elements of the second pattern 17 and of the repeated second pattern 36.
- a selected keying combination is obtained from many possible combinations by selecting which one of the individual keying elements is removed from each pair 30,10; 31,11; 32,12; 33,13 of directly opposed individual keying elements.
- a selected keying elements 10,11,12,13,30,31,32,33 is separated from the corresponding connector assemblies 1,8 by cutting or breaking the corresponding web portions 14,34. Each removed keying elements will leave a severed edge of 14 or 34 as a remnant of the removed keying elements on the corresponding connector assembly 1,8.
- a vacancy, for example, the vacancy 37,38, resulting from removal of an individual keying elements 10,11,12,13,30,31,32,33 is occupied by a nonremoved and directly opposing individual keying elements , for example, the keying elements 30,10 when the connector assemblies 1,8 are oriented in predeterminate positions with respect to one another, and are mated together as shown in Figure 8.
- a pair of conductive grounding clips 39,39 for connection to ground electrical potentials are applied over the corresponding sides 16,18 of the first connector assembly 1 and are secured by nuts and bolts type fasteners 40.
- Resilient fingers 41,41 project from the grounding clips to engage the corresponding sides 22,23 of the cover plates 22,27 and establish electrical connections with the conductive coating of the cover plates 22,23.
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
Description
- The invention relates to a keying system for permitting mating together of connector assemblies.
- A suitable keying system for mating pairs of the connector assemblies will permit mating together of the connector assemblies in corresponding predeterminate positions with respect to one another. The suitable keying system further will produce a variety of keying combinations from which a particular keying combination is selected and then applied to the pair of connector assemblies. The suitable keying system will prevent mating together of connector assemblies not having the same keying combination.
- A keying system disclosed in U.S. patent 4,376,565 includes break away portions providing slots in a first connector assembly and opposing grooves in a second connector assembly. A key is added to either one or the other of an opposing slot or groove to provide a selected keying combination.
- The prior keying system requires assembly of separate keys to corresponding connector assemblies. A disadvantage may arise that the separate keys are absent at a time when the connector assemblies are ready for installation as a mated pair. Accordingly, a need exists for a keying system constructed directly on corresponding connector assemblies for providing a selected keying combination available at a time when the corresponding connector assemblies are intended as a mated pair.
- An object of the invention is provision of an improved keying system formed during manufacture directly on corresponding connector assemblies and providing a variety of keying combinations from which a keying combination is selected.
- Another object of the invention is provision of a keying system for connector assemblies in which one of the connector assemblies has opposite sides and is provided with removable individual keying elements arranged in a first pattern on one side and a second pattern on the other side, and the other of the connector assemblies has opposite sides and is provided with removable individual keying elements arranged in a repeated first pattern and a repeated second pattern on each of the opposite sides. The sides are duplicates of each other for convenient manufacture of a part of single design.
- According to one aspect thereof the invention consists in a pair of mating connector assemblies as defined in claim 1 and according to another aspect thereof the invention consists in a method of mating said connector assemblies as defined in
claim 3. - An embodiment of the invention will now be described by way of example with reference to the accompanying drawings wherein:
- Figure 1 is a fragmentary perspective view of a keying system directly on corresponding connector assemblies, with conductive grounding clips for the connector assemblies, and with parts illustrated in exploded configuration.
- Figure 2 is an elevation view of an interior of a first side of a connector assembly having individual keying elements.
- Figure 3 is an elevation view of an exterior of a second side of a connector assembly having individual keying elements.
- Figure 4 is an elevation view of an electrical cable and an electrical connector assembled to the cable.
- Figure 5 is an elevation view of a connector assembly fabricated from the parts shown in Figures 2, 3 and 4.
- Figure 6 is an elevation view of one side of the connector assembly shown in Figure 5 with a pattern of individual keying elements.
- Figure 7 is an elevation view of another side of the connector assembly shown in Figure 5 with a pattern of individual key8ing elements different from the pattern on the one side shown in Figure 6.
- Figure 8 is a fragmentary perspective view of the connector assemblies shown in Figure 1 and mated together without illustration of the conductive clips.
- Figure 9 is a fragmentary enlarged perspective view of a portion of a connector assembly shown in Figure 1.
- With more particular reference to Figure 1 of the drawings, a first connector assembly 1 is shown and includes an
insulative housing 2 containing rows ofconductive pins 3. Thepins 3 project from thehousing 2 for connection into corresponding apertures of a printed circuit board, not shown. The first connector assembly 1 includes a pair of eject mechanisms 4,4 havinglatch arms Projections corresponding openings second connector assembly 8 constructed for mating with the first connector assembly 1. - The construction of the
connector assemblies 1,8 is disclosed in further detail by U.S. Patents 4,448,471 and 4,178,051. The connector assemblies 1,8 are constructed as disclosed by the Patents, and are further constructed with akeying system 9 the details of which are disclosed below. - The first connector assembly 1 is provided with
keying elements keying elements insulative housing 2 and are formed during manufacture of theinsulative housing 2 by known plastics forming techniques. Eachkeying elements integral webs individual keying elements first side 16 of the first connector assembly 1, andindividual keying elements 12,13 are arranged in asecond pattern 17 on asecond side 18 of the first connector assembly 1. The first pattern 15 is defined by the number ofindividual keying elements individual keying elements corresponding side 16 of thehousing 2 of the first connector assembly 1. Thesecond pattern 17 is different from the first pattern 15 and is defined by the number ofindividual keying elements 12,13 and the spacing separating theindividual keying elements 12,13 along thecorresponding side 18 of thehousing 2. - As shown in Figure 4, the
second connector assembly 8 includes acable assembly 19. For example, thecable assembly 19 may comprise anelectrical cable 20 connected to anelectrical connector 21. For illustration purposes, the axis of thecable 20 is offset from the axis of theconnector 21. Further details of thecable assembly 19 are disclosed in U.S. Patent 4,243,288. Thecable assembly 19 may comprise, for example, thecable 20 connected to a circuit board (not shown) instead of being connected to theconnector 21. Thesecond connector assembly 8 also includes afirst cover plate 22 forming afirst side portion 22 of thesecond connector assembly 8 and asecond cover plate 23 forming asecond side portion 23 of thesecond connector assembly 8. Thecover plates cable assembly 19 to the extent as shown in Figure 1. - The
cover plates cover plate interior 24, shown in Figure 2, provided with arecess 25 shaped to nest with the exterior of theconnector 21 when thecorresponding cover plate cable assembly 19. Theinterior 24 of eachcover plate ribs cable 20 and to impinge against thecable 20 when thecorresponding cover plate cable assembly 19. Theinterior 24 of eachcover plate recesses cover plates cable assembly 19, thecable 20 may be interposed between theribs corresponding cover plate 23 and therecesses corresponding cover plate 22. Theribs corresponding recesses cable 20 to press thecable 20 partially into therecesses cover plates cable 20 and provide a cable strain relief that resists separation of thecable 20 from theconnector 19 as the result of a tensile force on thecable 20. Eachcover plate fastener receiving apertures self threading fasteners cover plates cover plate cover plates - The
second connector assembly 8 is provided withkeying elements second connector assembly 8. For example, thekeying elements cover plates cover plates keying elements integral web 34 of thin wall insulative material joined the thecorresponding cover plate individual keying elements first pattern 35, shown in Figure 6, and theindividual keying elements second pattern 36, shown in Figure 7, that is within and bounded by the repeatedfirst pattern 35. - According to practice of the following method, a first keying combination is selected to provide polarity of the
second connector assembly 8 with respect to the first connector assembly 1. For example, eachside second connector assembly 18 has removableindividual keying elements first pattern 35 and a repeatedsecond pattern 36. Either the repeatedfirst pattern 35 or the repeatedsecond pattern 36 is determined to be redundant and is removed, thereby to select a first keying combination of each nonremovedindividual keying elements second connector assembly 8 opposing a correspondingindividual keying elements - The first keying combination will result in each nonremoved
individual keying elements first pattern 35 opposing a corresponding nonremovedindividual keying elements individual keying elements second pattern 36 opposing a corresponding nonremovedindividual keying elements 12,13 of thesecond pattern 17. - As shown in Figure 6, the
first side 22 of thesecond connector assembly 8 is provided with nonremovedindividual keying elements first pattern 35, after removal of theredundant keying elements second pattern 36. Thefirst side 22 is matched for polarity with the correspondingfirst side 16 of the first connector assembly 1 having the corresponding first pattern 15 ofindividual keying elements second side 23 of thesecond connector assembly 8 is provided with nonremovedindividual keying elements second pattern 36, after removal of theredundant keying elements first pattern 35. Thesecond side 23 is matched for polarity with the correspondingsecond side 18 of the first connector assembly 1 having the correspondingsecond pattern 17 ofindividual keying elements 12,13. - According to practice of the following method, the connector assemblies 1,8 are provided with a further keying combination to permit mating together of only the
connector assemblies 1,8 having the same keying combination. Theconnector assemblies 1,8 are first provided with the first keying combination wherein each nonremovedindividual keying elements second connector assembly 8 is opposing a corresponding nonremovedindividual keying elements individual keying elements - As shown in Figures 1 and 8, a further keying combination is achieved by removing one or the other in each
pair first pattern 16 and of the repeatedfirst pattern 35. For example, theindividual keying elements 11 of the first connector assembly 1 is removed, leaving a vacancy, for example, in the form of akeyway 37, to be occupied by the nonremoved and directly opposedindividual keying elements 37 of thesecond connector assembly 8. Removal of any one of thekeyway sections corresponding vacancy 37 in the form of akeyway 37. Further for example, theindividual keying elements 30 of thesecond connector assembly 8 is removed, leaving avacancy 38 for example,space 38 to be occupied by the nonremoved and directly opposed keyingelements 10 of the first connector assembly 1. - By practice of a similar procedure, a further keying combination is achieved by removing one or the other of each
pair 32,12; 33,13 of directly opposed individual keying elements of thesecond pattern 17 and of the repeatedsecond pattern 36. A selected keying combination is obtained from many possible combinations by selecting which one of the individual keying elements is removed from eachpair - A selected keying
elements connector assemblies 1,8 by cutting or breaking thecorresponding web portions connector assembly 1,8. - A vacancy, for example, the
vacancy individual keying elements elements connector assemblies 1,8 are oriented in predeterminate positions with respect to one another, and are mated together as shown in Figure 8. As shown in Figure 1, a pair of conductive grounding clips 39,39 for connection to ground electrical potentials are applied over the correspondingsides fasteners 40.Resilient fingers sides cover plates cover plates
Claims (4)
- A mating pair of connector assemblies (1,8), wherein a first of the connector assemblies (1) includes a plurality of first keying elements (10,11) extending along a first side (16) of the assembly (1) and a plurality of second keying elements (12,13) extending along a second side (18) of the assembly(1), the spacing apart of the first keying elements (10,11) being unequal to the spacing apart of the second keying elements (12,13), a second of the connector assemblies (8) having side portions (22,23), which have thereon removable projecting keying elements (30,31,32,33) which are spaced apart corresponding to the spacing apart of the respective first (10,11) and second (12,13) keying elements;
characterized in that the keying elements (10,11,30,31,32,33) of each of said first and second connector assemblies (1,8) are formed integrally therewith; and in that said side portions (22,23) are duplicates of each other with all the keying elements (30,31,32,33) on each one of said side portions (22,23) being equal in number to the sum of all the first keying elements (10,11) and all the second keying elements (12,13);
the keying elements (30,31,32,33) on each one of said side portions (22,23) comprising, a first plurality (30,31) of keying elements with a spacing apart corresponding to the spacing apart of the first keying elements (10,11), and a second plurality (32,33) of keying elements with a spacing apart corresponding to the spacing apart of the second keying elements (12,13). - A pair of connector assemblies as recited in claim 1, characterized in that:
the keying elements (10,11,12,13) of the first connector assembly (1) comprises removable keyway sections. - A method of mating a pair of mating electrical connector assemblies (1,8), as recited in claim 1, the method comprising the steps of:
removing the first plurality of said keying elements (30,31) from a first of said side portions (22) while allowing the second plurality of said keying elements (32,33) to remain on the first of said side portions (22) for directly opposing the second keying elements (12,13) and providing pairs of directly opposing keying elements (12,32,13,33);
removing the second plurality of said keying elements (32,33) from a second of said side portions (23) while allowing the first plurality of said keying elements (30,31) to remain on the second of said side portions (23) for directly opposing the first keying elements (10,11) and providing pairs of directly opposed keying elements (10,31,11,31);
selectively removing an individual keying element of each pair of directly opposing keying elements (10,30,11,31,12,32,13,33) to permit mating together of the first and second connector assemblies (1,8); and
mating said first and second connector assemblies (1,8). - The method recited in claim 3, characterized by the steps of providing a keyway (37) in each said side (16,18) of the first connector assembly (1) by removing a corresponding keying element (10,11,12,13), so that each said keyway (37) receives a corresponding keying element (30,31,32,33) of the second connector assembly (8) upon mating together of the connector assemblies (1,8).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US5280787A | 1987-05-21 | 1987-05-21 | |
US52807 | 1987-05-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0317586A1 EP0317586A1 (en) | 1989-05-31 |
EP0317586B1 true EP0317586B1 (en) | 1993-09-01 |
Family
ID=21980024
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19880904348 Expired - Lifetime EP0317586B1 (en) | 1987-05-21 | 1988-04-29 | Keying system for connector assemblies |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0317586B1 (en) |
JP (1) | JPH0751744Y2 (en) |
DE (1) | DE3883714T2 (en) |
WO (1) | WO1988009572A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4900274A (en) * | 1988-12-15 | 1990-02-13 | International Business Machines Corporation | Keying system for assuring proper array configuration of cable cards |
JPH04237978A (en) * | 1991-01-18 | 1992-08-26 | Amp Japan Ltd | Tap connector |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS434994Y1 (en) * | 1966-10-05 | 1968-03-04 | ||
JPS5451388U (en) * | 1977-09-19 | 1979-04-09 | ||
GB1568189A (en) * | 1978-02-22 | 1980-05-29 | Cannon Electric Great Britain | Electrical connectors |
DE3331792A1 (en) * | 1983-09-02 | 1985-03-21 | FCT Electronic GmbH, 8000 München | Coding device for multiple plug connections |
AR242469A1 (en) * | 1984-09-27 | 1993-03-31 | Siemens Ag | Multiple electrical plug-and-socket connection with a coding device |
-
1988
- 1988-04-29 WO PCT/US1988/001404 patent/WO1988009572A1/en active IP Right Grant
- 1988-04-29 JP JP1989600001U patent/JPH0751744Y2/en not_active Expired - Lifetime
- 1988-04-29 EP EP19880904348 patent/EP0317586B1/en not_active Expired - Lifetime
- 1988-04-29 DE DE88904348T patent/DE3883714T2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0317586A1 (en) | 1989-05-31 |
JPH02500015U (en) | 1990-03-29 |
WO1988009572A1 (en) | 1988-12-01 |
DE3883714D1 (en) | 1993-10-07 |
DE3883714T2 (en) | 1994-03-24 |
JPH0751744Y2 (en) | 1995-11-22 |
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