EP0898333A2 - Verbinderverriegelung - Google Patents
Verbinderverriegelung Download PDFInfo
- Publication number
- EP0898333A2 EP0898333A2 EP98114983A EP98114983A EP0898333A2 EP 0898333 A2 EP0898333 A2 EP 0898333A2 EP 98114983 A EP98114983 A EP 98114983A EP 98114983 A EP98114983 A EP 98114983A EP 0898333 A2 EP0898333 A2 EP 0898333A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- latch
- connector
- cover
- latch arm
- arms
- 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.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/627—Snap or like fastening
- H01R13/6275—Latching arms not integral with the housing
Definitions
- This invention relates to electrical connectors. It has specific applicability to latching systems for securing intermating connectors together.
- a latching mechanism for cable connectors for mobile telephones having latches disposed in forwardly extending locating posts has been proposed.
- the latches are operated by pressing on a hinged actuator part formed from a portion of one of the covers.
- the latches are unconnected individual pieces.
- the user When pressing on the hinged actuator portion of the plastic cover, because of the flexibility of the plastic hinge, the user must press almost exactly in the middle of the actuator to release both latches simultaneously to unlatch the connector. Pressing at a point spaced from the middle causes one latch to disengage, while the other latch stays locked.
- Connectors according to the invention employ relatively long latch arms that extend from a distal portion near the mating face of the connector, rearwardly along or through the insulative terminal housing to a rearwardly disposed fulcrum point.
- the fulcrum point may be located adjacent or associated with a cover that overlies the terminal housing.
- the latch arms may be formed of separate metallic members or may be integrally molded with the cover. If plural, laterally spaced latching arms are used, they are joined by a cross member to insure common actuation.
- the connector system described herein was developed primarily for mobile wireless telephones and will be described in that context. However, the invention is believed to have utility for many other types of interconnections wherein connectors must be latched together.
- Cable connector 20 includes a terminal block or housing 22 formed of a molded insulative material.
- the housing includes a front face along which an array of a plurality of contact terminals 24 are disposed.
- the contacts 24 are essentially compression contacts that are slideable axially within slots in the terminal block.
- the contacts 24 are spring biased to a forward position extending beyond the front face of the terminal block. Such contacts are illustrated in published European Patent Specification No.
- the insulative housing 22 also includes a pair of laterally spaced guidance/locating posts that can include polarizing features for insuring correct mating orientation when mating with a receptacle connector.
- the front terminal-carrying face of the housing 22 may extend laterally outwardly beyond the pegs 26 to carry associated additional contact terminals 24, as shown in Fig. 4.
- the plug connector 20 is intended to mate with a receptacle connector of the type generally illustrated in Fig. 13. Because the terminals 24 are spring biased in order to develop sufficient axial contact normal forces by compression against stationary contacts 84 of the receptacle connector, there is inherently in this system a force that tends to separate the two connectors. To counteract this force, it is necessary to latch the plug and receptacle connectors together during use. To this end, latch arms 30 are utilized. In the embodiment of Fig. 1, a pair of spring biased latch arms 30, comprising substantial mirror images of each other, are integrally joined together by a cross member 42. The assembly comprising arms 30 and the cross member 42 is ideally stamped in a single piece from a suitable metallic flat stock.
- Each latch arm 30 includes a distal portion carrying a latch pawl 32 disposed in one of the guide/locating post 26, an intermediate portion extending along or through the housing 22 to a rearwardly disposed fulcrum point 35.
- each latch arm also includes a base 34 from which the latch arm extends.
- the base 34 includes a mounting element, such as the barbed stake 36, that is received in a slot in the housing 22 for securing the latches onto the housing 22.
- the base 34 also includes a means for securing the latches onto cover 28.
- the securing structure includes an opening 38 in base 34 that receives a mounting lug 40 integrally molded with the cover 28.
- the securing means also functions as a means for retaining the terminal housing 22 within the cover.
- the cover 22 also includes an integrally formed push button 44 that is positioned to be pressed against the crossbar 42.
- the assembly comprising the latches 30 and crossbar 42 is formed of a resilient material so that each latch arm 30 can be deflected about fulcrum 35 over many cycles.
- FIG. 1 The functioning of the latch structure of 20 is evident from Fig. 1. Assuming that the connector is in a latched state connected with its mating receptacle connector, in order to separate the connectors, the user presses downwardly on push button 44. Downward movement of the push button causes downward movement of cross member 42, which in turn imparts movement equally to both latch arms 30. Each latch arm 30 resiles about its fulcrum 35 downwardly, thereby withdrawing the latch pawls 32 beneath the surfaces of posts 36. This description suffices to outline the means utilized for unlatching the connector 20 to permit its withdrawal from the mating receptacle connector. When finger pressure is removed from push button 44, the latch arms 30 return to their original position, with the latch pawls 32 extending outwardly from the posts 26.
- Fig. 2 illustrates an alternative embodiment in which the push button 44A is a separate element that is secured onto the crossbar 42 and extends beyond a surface of the cover 28 to be engaged by the linger of the user.
- Fig. 3 illustrates another embodiment of the plug connector shown in Fig. 1, in which the latch actuating member 44B is formed as an integral part of the terminal housing 22.
- the latch actuating member is connected by a forwardly located hinged portion 44C to the housing 22. Pressing downwardly on the free end of the member 44B causes it to rotate about the hinged section 44C, thereby depressing crossbar 42 and ultimately latch arms 30.
- Fig. 4 illustrates an embodiment of a plug type cable connector having a terminal housing 22 with a front mating face carrying terminals 24.
- the mating face includes a pair of locating/guidance posts 26.
- a latch pawl 46 Within each of the posts 26 is a latch pawl 46.
- the latches are actuated by an actuation means comprising a push button 48.
- the rear portion of the terminal housing 22 and the cable connections are housed within a cover comprising a lower cover section 50 and an upper cover section 52.
- Fig. 5 illustrates a complete lower cover assembly 50 that is used in the connector 45 of Fig. 4.
- the cover 50 is formed of a moldable material, preferably an insulative thermoplastic material.
- a pair of latch arms 54, each with a latch pawl 46 and the push button 48 are integrally molded with the lower cover 50.
- the distal portions of the latch arms 54 carry latch pawls 46.
- the proximal portions 55 of the latch arms 54 form fulcrums near their junctions with the cover 50.
- push button 48 also provides the linking function of cross member 42 of Fig. 1.
- Fig. 6 is a top view of the plug shown in Fig. 4, with the push button 48 extending through an opening in the top cover 52.
- the latch pawls 46 are shown positioned in the locating/guidance posts 26.
- the terminal housing 22 is received in the lower cover 50 with the latch arm 54 extending from the rear of the bottom cover 50 at it proximal fulcrum 55 to a forwardly extending location, with the distally located latch pawl 46 positioned in posts 26.
- the top cover 52 mates with the bottom cover 50 to form an complete enclosure, with the push button 48 extending through an opening in the top cover 52.
- the covers 50 and 52 may be secured together by suitable techniques such as adhesives, solvent or heat welding or the like.
- the retention pegs 56 formed on the terminal housing 22 are received in openings in the covers 50 and 52, so that the covers securely hold the housing 22.
- This embodiment operates substantially in the same way as the Fig. 1 embodiment. Construction of the latch arms and cover in this fashion allows relatively long latch arms to be formed, with an improved ability to withstand repeated flexure. The arrangement of integrally molded covers and latch parts also reduces manufacturing costs.
- Figs. 8 and 9 show another embodiment of cable plug connector 57 that is narrower than those previous described.
- the connector 57 preferably includes a one-piece molded cover 59.
- the cover 59 includes an integrally formed latch arm 58.
- the latch arm 58 includes an actuation enlargement 60 extending above the surface of the cover 59.
- the latch arm 58 includes a latch pawl 56 disposed at a distal end and positioned within a locating post 26 of the terminal housing 22.
- the intermediate portion of the latch arm 58 extends through a slot 63 in the terminal housing 22.
- the latch arm 58 is connected at a fulcrum junction point 61 with the cover 59.
- the terminal housing 22 is secured within the cover 59 by one or more retention lugs 62, that engage suitable locating openings in the cover 59.
- Fig. 10 illustrates a plug connector that is intended to be mounted on a printed circuit board P, rather than being attached to a cable. Such a connector would be utilized in a cradle or holder for the wireless telephone.
- Connector 64 includes an insulative terminal housing 65 having printed circuit board mounting surface 66 opposite its front face. Terminal tails 68 extend beyond surface 66 and may comprise through-hole or surface mount connections to the printed circuit board P.
- the front face includes an array of terminals 24 and a pair of location/guidance posts 26. As in previous embodiments, latch pawls 77 are received in the posts 26.
- Fig. 11 is a top view of the connector shown in Fig. 10
- Fig. 12 is a cross sectional view taken along line DD of Fig.
- a latch base 70 is received within a rear portion of the terminal body 65.
- the latch base 70 is held in the housing 65 by securing arms 72 carrying engagement lobes 74, that engage openings in the housing 65.
- a latch arm 76 extends from its fulcrum point at base 70 forwardly through the housing 65 to a distal portion carrying the latching pawl 77 disposed in the location/guidance post 26.
- the latch arm 76 includes an enlargement 78 for engaging an interior surface 79 of the housing to prevent overstressing of the latch arm 76.
- the assembly comprising the latch base 70, securing arms 72 and latch arm 76 is formed as a one piece integrally molded part that is inserted from the rear into the terminal housing 65.
- the connector 64 is generally used in situations where it is generally vertically disposed. In such situations, the weight of the wireless telephone resting against the connector 64 acts to compress the terminals 24. In this situation, the latch arms 76 only needs to provide enough latching force to prevent accidental dislodgment of the telephone from the holder. To disengage the telephone, the user grasps the telephone and pulls it generally axially from the holder. As a consequence, the latching surfaces of the receptacle connector in the telephone bear against pawl surface 77a and move the latch arm to the dotted line position shown in Fig. 11.
- the latch surface 77a preferably is canted somewhat more than previous embodiments and/or the spring rate of latch arm 76 is reduced to effect this release action.
- this type of latch can be characterized as a "passive" latch as opposed to "active" latch requiring a separate release function, as in the Figs. 1-9 embodiments.
- Fig. 13 is an isometric view of a receptacle connector to which the previously illustrated embodiments of plug connectors are mateable.
- Receptacle connector 80 comprises a housing 82 formed of an insulative material.
- An array of receptacle terminals 84 having flat plug terminal receiving sections are secured in the housing, with terminal tails 84 adapted to be soldered or otherwise secured onto a printed circuit board on which the connector 80 is mounted.
- the housing 82 includes a pair of laterally spaced guidance openings 86 adapted to receive the location/guidance posts 26 of the mating plug connector.
- Each of the guidance openings 86 includes a latch surface for engagement by the latch pawls 32, 46 or 77 of the mating connector.
- the latching surfaces are formed by transverse openings 88, the front edges 89 of which are engaged by the latch pawl.
- the housing 82 also includes metal hold down plates 90 that are adapted to be soldered onto the printed circuit board that receives the connector 80.
- one large plug connector such as that illustrated in Fig. 4 can be intermated with connector 80 or two smaller connectors, such as generally shown in Fig. 8, can be associated with one receptacle connector 80.
- the invention provides several advantages. Because the two latches in the Fig. 1 and Fig. 4 embodiments are interconnected, release of both latches simultaneously is more assured. By the use of a longer latch arm structure, the stresses resulting from cycling of the latches are distributed over a longer arm, thereby contributing to long latch life, particularly in the embodiments using molded plastic latch arms. Further, in the later embodiments using integral plastic latches, the cost of the connectors is reduced by avoiding the need for the assembly of multiple parts
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US5618097P | 1997-08-19 | 1997-08-19 | |
US56180P | 1997-08-19 | ||
US78894 | 1998-05-14 | ||
US09/078,894 US6071141A (en) | 1998-05-14 | 1998-05-14 | Connector latches |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0898333A2 true EP0898333A2 (de) | 1999-02-24 |
EP0898333A3 EP0898333A3 (de) | 1999-11-03 |
EP0898333B1 EP0898333B1 (de) | 2002-02-13 |
Family
ID=26735054
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19980114983 Expired - Lifetime EP0898333B1 (de) | 1997-08-19 | 1998-08-10 | Verbinderverriegelung |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0898333B1 (de) |
JP (1) | JPH11185879A (de) |
DE (1) | DE69803818T2 (de) |
SG (1) | SG71828A1 (de) |
TW (1) | TW380781U (de) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6257914B1 (en) | 2000-03-24 | 2001-07-10 | Molex Incorporated | Electrical connector with integral latch and strain relief device |
FR2806218A1 (fr) * | 2000-03-10 | 2001-09-14 | Framatome Connectors Int | Connecteur d'entree/sortie du type fiche |
NL1017001C2 (nl) * | 2000-12-28 | 2002-07-01 | Fci S Hertogenbosch B V | Connector en kabel die deze omvat. |
US9671567B2 (en) | 2013-05-15 | 2017-06-06 | Neutrik Ag | Plug part |
WO2017122107A1 (en) * | 2016-01-13 | 2017-07-20 | Te Connectivity Corporation | Low profile electrical connector |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003168519A (ja) * | 2001-11-30 | 2003-06-13 | Japan Aviation Electronics Industry Ltd | コネクタ |
JP3841352B2 (ja) * | 2003-06-11 | 2006-11-01 | 日本航空電子工業株式会社 | コネクタ |
JP4278673B2 (ja) | 2006-10-17 | 2009-06-17 | ヒロセ電機株式会社 | 電気コネクタ |
JP5212285B2 (ja) * | 2009-07-08 | 2013-06-19 | 住友電装株式会社 | コネクタ |
DE102013008264A1 (de) * | 2013-05-15 | 2014-11-20 | Neutrik Ag | Steckverbinder |
USD755720S1 (en) | 2013-10-14 | 2016-05-10 | Neutrik Ag | Connector |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8221740U1 (de) * | 1982-07-30 | 1982-12-23 | Siemens AG, 1000 Berlin und 8000 München | Steckadapter zur Verbindung einer Leiterplatte für die elektrische Nachrichtentechnik |
US4838808A (en) * | 1987-07-17 | 1989-06-13 | Amp Incorporated | Shielded electrical connector and latch mechanism therefor |
US5021002A (en) * | 1989-12-20 | 1991-06-04 | Burndy Corporation | Snap-lock electrical connector with quick release |
EP0718918A1 (de) * | 1994-12-20 | 1996-06-26 | Connector Systems Technology N.V. | Steckverbinder mit federndem Kontakt und Kurzschlussanordnung |
US5613870A (en) * | 1995-11-28 | 1997-03-25 | W. L. Gore & Associates, Inc. | Positive latching connector with delatching mechanism |
-
1998
- 1998-08-08 SG SG1998002941A patent/SG71828A1/en unknown
- 1998-08-10 DE DE1998603818 patent/DE69803818T2/de not_active Expired - Fee Related
- 1998-08-10 EP EP19980114983 patent/EP0898333B1/de not_active Expired - Lifetime
- 1998-08-18 TW TW087213496U patent/TW380781U/zh unknown
- 1998-08-19 JP JP23241098A patent/JPH11185879A/ja active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8221740U1 (de) * | 1982-07-30 | 1982-12-23 | Siemens AG, 1000 Berlin und 8000 München | Steckadapter zur Verbindung einer Leiterplatte für die elektrische Nachrichtentechnik |
US4838808A (en) * | 1987-07-17 | 1989-06-13 | Amp Incorporated | Shielded electrical connector and latch mechanism therefor |
US5021002A (en) * | 1989-12-20 | 1991-06-04 | Burndy Corporation | Snap-lock electrical connector with quick release |
EP0718918A1 (de) * | 1994-12-20 | 1996-06-26 | Connector Systems Technology N.V. | Steckverbinder mit federndem Kontakt und Kurzschlussanordnung |
US5613870A (en) * | 1995-11-28 | 1997-03-25 | W. L. Gore & Associates, Inc. | Positive latching connector with delatching mechanism |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2806218A1 (fr) * | 2000-03-10 | 2001-09-14 | Framatome Connectors Int | Connecteur d'entree/sortie du type fiche |
EP1134851A1 (de) * | 2000-03-10 | 2001-09-19 | F.C.I. - Framatome Connectors International | Eingangs-/Ausgangs-Steckverbinder |
US6413112B2 (en) | 2000-03-10 | 2002-07-02 | Framatome Connectors International | Plug-type input/output connector |
US6257914B1 (en) | 2000-03-24 | 2001-07-10 | Molex Incorporated | Electrical connector with integral latch and strain relief device |
NL1017001C2 (nl) * | 2000-12-28 | 2002-07-01 | Fci S Hertogenbosch B V | Connector en kabel die deze omvat. |
EP1220370A1 (de) * | 2000-12-28 | 2002-07-03 | Fci | Verbinder und Kabel mit diesem Verbinder |
US9671567B2 (en) | 2013-05-15 | 2017-06-06 | Neutrik Ag | Plug part |
WO2017122107A1 (en) * | 2016-01-13 | 2017-07-20 | Te Connectivity Corporation | Low profile electrical connector |
Also Published As
Publication number | Publication date |
---|---|
SG71828A1 (en) | 2000-04-18 |
EP0898333A3 (de) | 1999-11-03 |
EP0898333B1 (de) | 2002-02-13 |
DE69803818T2 (de) | 2002-09-05 |
JPH11185879A (ja) | 1999-07-09 |
DE69803818D1 (de) | 2002-03-21 |
TW380781U (en) | 2000-01-21 |
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