CN103703633A - Electrical contact element with latching lance for plug housing - Google Patents

Electrical contact element with latching lance for plug housing Download PDF

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Publication number
CN103703633A
CN103703633A CN201280038613.3A CN201280038613A CN103703633A CN 103703633 A CN103703633 A CN 103703633A CN 201280038613 A CN201280038613 A CN 201280038613A CN 103703633 A CN103703633 A CN 103703633A
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CN
China
Prior art keywords
locking element
electric contacts
contact
locking
contact element
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Granted
Application number
CN201280038613.3A
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Chinese (zh)
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CN103703633B (en
Inventor
W.帕德
R.维特曼
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Robert Bosch GmbH
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Robert Bosch GmbH
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Publication of CN103703633A publication Critical patent/CN103703633A/en
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Publication of CN103703633B publication Critical patent/CN103703633B/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42Securing in a demountable manner
    • H01R13/428Securing in a demountable manner by resilient locking means on the contact members; by locking means on resilient contact members
    • H01R13/432Securing in a demountable manner by resilient locking means on the contact members; by locking means on resilient contact members by stamped-out resilient tongue snapping behind shoulder in base or case

Abstract

The invention relates to an electrical contact element (2) for single-pole or multi-pole plug housing. The plug housing has at least one contact element accommodation chamber made of electrically insulating material for accommodating the at least one electrical contact element (2). The electrical contact element (2) has a fastening section (4) for fastening the electric wire. The electrical contact element (2) has a contact section (6) for establishing the electrical connection with the corresponding contact element. The electrical contact element (2) has at least one latching lance (14), wherein the latching lance (14) may be moved from a first position to a second position and vice versa, and is obliquely protruded outward at the first position. When the contact element (2) is configured at a predetermined position in the contact element accommodation chamber, the latching lance (14) is engaged with the contact element accommodation chamber at the first position. According to the invention, the latching lance (14) also has a first locking element (22). The electrical contact element (2) has a second locking element (24) corresponding to the first locking element (22), wherein, at the first position, because the latching lance (4) is applied with an action force (F) acting in a reverse direction to the pull-out direction (A) for pulling out the electrical contact element (2) from the contact element accommodation chamber, thus making the first locking element (22) and the second locking element (24) connected to each other.

Description

The electric contacts with lock rifle for plug connector housing
Technical field
The present invention relates to a kind of electric contacts for plug connector housing.
Background technology
By the known many plug connectors that connect for the manufacture of electric mortiser of prior art.They mainly comprise the plug connector housing with at least one contact element plug chamber, and also referred to as contact chamber, wherein, each contact element accommodating chamber can be furnished with an electric contacts.For fear of electric contacts, unexpectedly leave contact element accommodating chamber, these electric contacts kaysers are in contact element accommodating chamber.This by the lock rifle from electric contacts to front protrusion heavy realize, this lock rifle is forced together by receipts when electric contacts is imported to contact element accommodating chamber, and during the position of predetermining in electric contacts reaches contact element accommodating chamber, this lock bullet is opened, with the undercut kayser of contact element accommodating chamber.Conventionally lock rifle has more elongated shape, and it is outwards put on display by electric contacts.
Known a kind of for being contained in the electric contacts in contact element accommodating chamber in DE 36 00 456 A1.Wherein, certain region of this electric contacts has kayser instrument, this instrument make electric contacts can kayser in contact element accommodating chamber.At equipment plug-in connector, be exactly that current kayser instrument is forced together by receipts, now electric contacts is imported in contact element accommodating chamber when equipment plug connector housing specifically.The load force that acts on lock rifle acts on lock rifle in the direction of the opposite direction with electric contacts importing contact element accommodating chamber, this load force is so limited, thereby make to lock the end that rifle fractures or its corner angle are sharper, is cut off and therefore damage plug connector housing by undercut.
Summary of the invention
May need to provide a kind of like this electric contacts, the load force that it works for the contrary direction of the pull-out direction with electric contacts is pulled out from the contact element accommodating chamber of plug connector housing has higher resistance.
This needs can be met by the object described in independent claims.Favourable structural scheme draws in the object described in dependent claims.
According to the first embodiment of the present invention, a kind of electric contacts for one pole or multipole plug connector housing is provided, and that this plug connector housing has is that at least one is made by electrical insulating material, for holding the contact element accommodating chamber of at least one electric contacts.Electric contacts has for the fixing fixed part section of electric lead.Electric contacts has the contact site section that forms conductive connection for the pairing contact element with corresponding.This electric contacts has at least one lock rifle, and wherein, this lock rifle can move to the second place and can oppositely move from primary importance.Lock rifle is protruding on primary importance medium dip ground.When electric contacts is arranged in the position of predetermining in contact element accommodating chamber, lock rifle in primary importance with contact element accommodating chamber kayser.Lock rifle also has the first locking element.Electric contacts has second locking element corresponding with the first locking element.In primary importance, the first and second locking elements interconnect in the power of lock rifle owing to being in reverse to the directive effect that electric contacts is pulled out from contact element accommodating chamber.
Stressed in the situation that, connect the first and second locking elements the external broach that conventionally acts on lock rifle when drawing electric lead is not only born with being fixedly connected with of electric contacts by lock rifle as occurring in the prior art, but also by the first and second locking elements, born extraly.So the power that acts on lock rifle in the contrary direction of the pull-out direction of electric contacts is distributed to being fixedly connected with of lock rifle and electric contacts on the one hand, and distributes to two interconnective locking elements.So the electric contacts of recommending herein can bear larger power, until lock rifle breaks down.Needn't in the situation that lock rifle not being applied to power, the first and second locking elements be interconnected in addition.But these two locking elements can be mutually chimeric in this position, but space.In addition, so flexibly realize this lock rifle.Thereby make to lock rifle and from primary importance, move to the second place in the direction contrary with elastic force.By snap lock rifle, certainly can move to primary importance from the second place.
For example can shape realize in the following manner in locking manner locking, for example clamping plate element embeds in corresponding forming section or recess.For example can on electric contacts, construct such clamping plate element, and construct forming section or recess on lock rifle.Certainly clamping plate element also can form on lock rifle, and can on electric contacts, form with forming section or recess that clamping plate elements relative is answered.
Locking relation between the first locking element and the second locking element can also realize on force closure ground.For example can be sealed by correspondingly constructing the chock forming or also passing through pinch wheels realizable force.
According to another kind of embodiment of the present invention, the first and second locking elements can not interconnect in the second place.
This make can provide following advantage, particularly when electric contacts Construction integration, can in the production process of electric contacts, on electric contacts, construct the first locking element and construct the second locking element on lock rifle, the first and second locking elements just cooperation mutually at this moment simultaneously.If locking now rifle moves in the second place, the first and second locking elements are in following relative position so, be exactly cooperation so mutually in the second place specifically, thereby lock rifle move to the primary importance pull-out direction that this lock rifle is in reverse to electric contacts simultaneously when stressed the first and second locking elements interconnect, for example can realize in the following manner in the second place chimeric effect mutually, be used for producing the elastic characteristic of the material of the first and second locking elements.In the second place, the first and second locking elements can depart from engomphosis relation.
According to another embodiment of the invention, lock rifle there is the inclined element outside sensing, its have first end and with the opposed the second end of first end.The second end is fixedly attached on electric contacts.On first end, be fixedly connected with the first locking element.First end is so crooked, makes inclined element and the first locking element form angle, wherein, towards the first end of contact element accommodating chamber, is round and smooth.
If for example, by sheet metal manufacture lock rifle, can for example manufacture the round and smooth portion of first end by bending so.Can be the edge deburring of extending perpendicular to this sweep or all right cavetto polishing of first end in addition.In addition, when lock rifle is formed in conjunction with punching press-bending-flow manufacturing by iron plate, can be by correspondingly selecting the cutting punch of pressing direction and use so to construct the shape of first end, thus make first end can start to justify after lock rifle manufacturing process.
According to another embodiment of the invention, the first locking element has First section and second section being fixedly connected with First section.First section extends substantially transversely to the pull-out direction extension that electric contacts is pulled out from contact element accommodating chamber.Second section is configured to hook component substantially.The second locking element is configured to clamping plate element.In primary importance, the first locking element so cooperates jointly with the second locking element, thereby clamping plate element is connected in locking manner with hook component shape.
Substantially being configured to hook component will so understand, and hook component also can be configured to the form of groove.Hook component also not necessarily wants side to be within it embodied as round and smooth.The meaning that extends substantially transversely to pull-out direction is that the first locking element forms transverse to pull-out direction structure in primary importance in manufacturing tolerance.
According to another embodiment of the invention, hook component extends towards pull-out direction.
Certainly hook component also can extend upward in the side contrary with pull-out direction, thereby between clamping plate element and hook component, forms the sealed connection of shape.
According to another embodiment of the invention, the first locking element of electric contacts extends substantially transversely to the direction extension that electric contacts is pulled out from contact element accommodation section opening.The first locking element has opening.The second locking element of electric contacts has angle element, and it has the first and second supporting legs, and wherein, the first supporting leg extends through opening, and the second supporting leg is arranged essentially parallel to the first locking element extension.In primary importance, the so common cooperation of the first locking element and the second locking element, thus the second supporting leg is connected in locking manner with the second locking element shape.
If the second supporting leg is arranged essentially parallel to the first locking element, extend, this means, only in common manufacturing tolerance, have collimation.
According to another embodiment of the invention, electric contacts has contact, its have the interior chamber that limited by contact inwall and with the opposed contact outer wall of contact inwall.Lock rifle stretches out from contact outer wall.The first locking element extends in interior chamber, and wherein in primary importance, the first locking element shape is connected on the second locking element in interior chamber in locking manner.
For example, lock rifle can be by certain the first's drape forming of the first side jacket wall that is for example configured to the contact of box-like together with the first locking element.The second locking element for example can consist of certain second portion region of the second side jacket wall adjacent with the first side jacket wall, or because certain third part region of opposed the 3rd side jacket wall of the first side jacket wall forms.Structure in the following way, in primary importance, the first locking element shape is connected on the second locking element in interior chamber in locking manner, make following situation become possibility, on the contact of box-like, do not have sharp-pointed turning or seamed edge outwards outstanding, otherwise they may hook other electric contacts of the bunch of cables of batch production.Hook electric contacts may hinder by single electric contacts successfully and automation insert in the corresponding contact element accommodating chamber of connector.
According to another embodiment of the invention, in the second place, the first locking element does not extend through interior chamber.
By allowing the first locking element not extend through interior chamber when moving to the second place from primary importance, can be at the contact element accommodating chamber of the placement configurations plug connector housing in the contact outside of more close box-like contact.Can allow thus electric contacts feel relieved better in plug connector housing.This can allow the plug connector housing of being furnished with electric contacts be connected to more like a cork on the pairing plug connector housing of being furnished with pairing electric contacts.In this external second place, the inclined element of lock rifle can also be substantially concordant with the outer wall of contact.
According to another embodiment of the invention, electric contacts and the second locking element Construction integration and lock rifle and the first locking element Construction integration.
By allow electric contacts and lock rifle Construction integration can be especially cost-saving manufacture this electric contacts because saved the lock rifle that may be shaped separately and the grafting process of electric contacts.Because electric contacts is made by the metal with elastic characteristic conventionally completely, for example tombac or cold rolling latten(-tin), so can avoid appearing at known fatigue phenomenon or relaxation in synthetic material parts.
According to another embodiment of the invention, the electric contacts that has the second locking element is together with the lock rifle formation punching press bending member with the first locking element.
Particularly electric contacts is configured to punching press bending member and makes it possible to produce extremely inexpensively these electric contacts.For example can in certain workflow, complete with corresponding sheet metal the expansion of electric contacts, and in back to back Forging Process this metal plate component of bending, thereby construct the electric contacts in the execution mode shown in this.
Be noted that at this and describe about idea of the present invention in conjunction with electric contacts.At this, for professional and technical personnel, be clear that, the feature of single description can combine in a different manner mutually, thereby also forms other structural schemes of the present invention.
Accompanying drawing explanation
Explain with reference to the accompanying drawings embodiments of the present invention.Accompanying drawing is only schematically and does not meet actual size.
Fig. 1 illustrates the schematic diagram of electric contacts with longitudinal profile, have the first and second locking elements in the first arrangement; And
Fig. 2 illustrates the schematic diagram of electric contacts with longitudinal profile, have the first and second locking elements in the second arrangement.
Embodiment
In Fig. 1, schematically show electric contacts 2.Mainly by the not detailed fixed part section 4(illustrating, it above can connect electric lead for electric contacts 2) and contact site section 6(be configured to be essentially the contact 8 of box-like here) formation.Contact 8 is outwards limited by contact outside 10.In addition, contact 8 has and the opposed contact inwall 12 of contact outer wall 10.Contact inwall 12 defines interior chamber 13.On contact inwall 12, show in addition two opposed, to dot contact chips 17.Contact 8 has opening on end 15, and chamber 13 in pairing contact can so import through this opening, makes it possible to set up and electrically contact between contact chip 17 and pairing contact.Contact 8 also comprises lock rifle (Rastlanze) 14, and it consists of the inclined element 16 of outwards giving prominence to and the first locking element 22 substantially.Inclined element 16 has first end 18 and the second end 20.Wherein, the second end 20 is fixedly connected with the first side 21 of contact 8.Outside its sensing of the first locking element 22 and first end 18(,, towards the contact accommodating chamber of inserting formula contact, be namely round and smooth) be fixedly connected with.The first locking element 22 has the First section 26 being connected on first end 18 and second section 28 that is connected in First section 26 and is fixedly linked with it.First section 26 is substantially perpendicular to pull-out direction A and extends.Between inclined element 16 and First section 26, form wedge angle α.The lock rifle 14 that the diagram of electric contacts 2 shows is in its primary importance, and wherein, the power F contrary with pull-out direction do not act on lock rifle 14.Second section 28 is configured to hook component 30.Wherein, hook component 30 extends and so constructs and form towards pull-out direction A, thereby makes to lock in primary importance the chamber 13 that rifle 14 is arranged in contact 8.On contact 8, constructed the second locking element 24, it mainly consists of clamping plate element 32.This clamping plate element 32 for example can so be constructed and form, thereby interior chamber 13 is entered in certain subregion bending like this adjacent with the first side 21 and that be connected to the second side 23 in the first side, thereby is configured to described clamping plate element 32.
Clamping plate element 32 so inserts hook component 30, makes when power F is applied on lock rifle 14 in the direction contrary with pull-out direction A, and the first locking element 22 is connected on the second locking element 24 to shape locking in primary importance.In the diagram of this selection, although the first and second locking elements insert the other side mutually, not touching mutually.
When lock rifle 14 moves to the second place from primary importance, lock rifle 14 moves along moving direction V indicated by the arrow, and wherein, moving direction V is substantially perpendicular to pull-out direction A and is parallel to the second side 23 and extends.In order to occupy the second place, lock rifle 14 inclined element 16 substantially always inwardly the direction of chamber 13 move, until inclined element 16 is substantially concordant with the contact outer wall 10 of contact 8.Wherein, the hook component 30 that the first locking element 22 is arranged in chamber 13 together with it moves on moving direction V, does not but leave interior chamber 13.When lock rifle 14 is while having occupied its second place, hook component 30 and clamping plate element 32 be no longer in embedding state, thereby between the first locking element 22 and the second locking element 24, do not have the sealed connection of shape in this position time.
To explain briefly the function of electric contacts 2 below.Electric contacts 2 be positioned at connector at this unshowned contact element accommodating chamber, wherein, the First section 26 of lock rifle 14, particularly the first locking element 22 and the undercut kayser of contact element accommodating chamber.If now electric contacts is for example owing to pullling the electric lead that is fixedly connected with fixed part section 4 and stressed along pull-out direction A, contrary with pull-out direction A so power F acts on lock rifle 14, particularly acts on the first end 18 of inclined element 16.By cavetto first end 18, lock rifle 14 can not pierce in the housing of connector, and may destroy the undercut of contact element accommodating chamber at this.Because strong F acts on lock rifle 14, so the hook component 30 of the first locking element 22 is forced on the clamping plate element 32 of the second locking element 24.Make thus the first locking element 22 be connected in locking manner with the mutual shape of the second locking element 24.
Shape by the first locking element 22 and the second locking element 24 is sealed, has prevented that whole load force F must only be born by inclined element 16 as necessary in the prior art.But the first locking element 22 causes power F to be assigned on inclined element 16 and two locking elements 22,24 with common cooperation of the second locking element 24.So lock rifle 14 can bear Billy and use the remarkable larger power F that can bear according to the lock rifle described in prior art (namely in the situation that not having two locking elements 22,24).Beat circle first end 18 and also cause locking the housing that rifle 14 can not pierce its connector of encirclement, and therefore may damage this housing.
Figure 2 illustrates electric contacts 2, the difference of the content shown in it and Fig. 1 is only the make of the first locking element 22 and the second locking element 24.The first locking element 22 only consists of First section 26 known from Fig. 1 substantially, there is no second section 28.In the second locking element 24, have the opening 46 with coboundary 48, wherein, coboundary 48 has determined together with the second locking element 24 how far inclined element 16 can move in order to arrive the second place of lock rifle 14 on moving direction V.The second locking element 24 mainly consists of angle element 40, and this angle element here also consists of the subregion of the second side 23, as known in Fig. 1.Angle element 40 mainly consists of the first supporting leg 42 and the second supporting leg 44.Wherein, the first supporting leg 42 extends through opening 46, and the second supporting leg 44 is on moving direction V, and is arranged essentially parallel to First section 26 and extends.Here also can find out, when locking rifle 14 in primary importance, when power F is applied on lock rifle 14, the first locking element 22 is connected in locking manner with the second locking element 24 shapes.At lock rifle 14 while moving to the second place from primary importance, the second supporting leg 44 just can intert opening 46.So when locking rifle 14 in the second place, the first locking element 22 and the second locking element 24 can not interconnect.
The electric contacts 2 that also has Fig. 2 of Fig. 1 Construction integration and be configured to respectively pressing and bending part all not only.Particularly can in the production process of electric contacts 2, be separated from each other and make the first locking element 22 and the second locking element 24 completely.Realized thus beyond interior chamber 13 and manufactured the first locking element 22., for the execution mode shown in realizing, along moving direction V, move lock rifle 14 now.Wherein, hook component 30 slides along clamping plate element 32 in Fig. 1, until lock rifle 14 arrives its second place.When the second place, hook component 30 is so mobile towards pull-out direction A due to the elastic characteristic of selected materials, makes when lock rifle 14 occupies its primary importance, and the first locking element 22 is connected in locking manner with the mutual shape of the second locking element 24.In Fig. 2, First section 26 is slided along moving direction V on the second supporting leg 44, until lock rifle 14 arrives its second place.Now, due to the elastic characteristic of the material using, First section 26 is so mobile towards pull-out direction A, thereby makes the second supporting leg 44 through opening 46.If lock now rifle 14, move to its primary importance, the first locking element 22 is connected in locking manner with the mutual shape of the second locking element 24 so.

Claims (10)

1. for the electric contacts of one pole or multipole plug connector housing, described plug connector housing has that at least one is made by electrical insulating material, be used for holding the contact element accommodating chamber of at least one electric contacts (2), wherein said electric contacts (2) has for the fixing fixed part section (4) of electric lead, wherein said electric contacts (2) has the contact site section (6) that forms conductive connection for the pairing contact element with corresponding, wherein said electric contacts (2) has at least one lock rifle (14), wherein said lock rifle (14) can move to the second place and can oppositely move from primary importance, wherein said lock rifle (14) is protruding on described primary importance medium dip ground, in the time of wherein in described electric contacts (2) is arranged in the position of predetermining in described contact element accommodating chamber, described lock rifle (14) in described primary importance with described contact element accommodating chamber kayser,
It is characterized in that,
Described lock rifle (14) has the first locking element (22) in addition, described electric contacts (2) has second locking element (24) corresponding with described the first locking element (22), wherein at the first locking element described in primary importance (22) and the second locking element (24), owing to being in reverse to the pull-out direction (A) that described electric contacts (2) is pulled out from described contact element accommodating chamber and acting on the power (F) of described lock rifle (14), interconnects.
2. according to electric contacts claimed in claim 1,
It is characterized in that,
Described the first locking element (22) and the second locking element (24) can not interconnect in the described second place.
3. according to the electric contacts described in claim 1 or 2,
It is characterized in that,
Described lock rifle (14) has the inclined element (16) outside sensing, described inclined element have first end (18) and with the opposed the second end of described first end (18) (20), wherein said the second end (20) is fixedly attached on described electric contacts (2), wherein said the first locking element (22) is fixedly attached on described first end (18), wherein said first end (18) is so crooked, thereby make described inclined element (16) and described the first locking element (22) form angle (α), wherein the first end (18) towards described contact element accommodating chamber is round and smooth.
4. according to the electric contacts described in any one in claims 1 to 3,
It is characterized in that,
Described the first locking element (22) has First section (26) and second section (28) being fixedly connected with described First section (26), wherein said First section (26) extends substantially transversely to the pull-out direction (A) that described electric contacts (2) is pulled out from described contact element accommodating chamber and extends, wherein said second section (28) is configured to hook component (30) substantially, described the second locking element (24) is configured to clamping plate element (32), wherein at the first locking element described in described primary importance (24), so jointly cooperate with the second locking element (26), thereby described clamping plate element (32) is connected in locking manner with hook component (30) shape.
5. according to electric contacts claimed in claim 4,
It is characterized in that,
Described hook component (30) extends towards pull-out direction (A).
6. according to the electric contacts described in any one in claims 1 to 3,
It is characterized in that,
Described the first locking element (22) extends substantially transversely to the pull-out direction (A) that described electric contacts (2) is pulled out from described contact element accommodation section and extends, wherein said the first locking element (22) has opening (46), described the second locking element (24) has angle element (40), described angle element has the first supporting leg (42) and the second supporting leg (44), wherein said the first supporting leg (42) extends through described opening (46) and described the second supporting leg (44) is arranged essentially parallel to described the first locking element (22) extension, wherein at the first locking element described in primary importance (22), be connected in locking manner with the second locking element (24) shape.
7. according to the electric contacts described in any one in aforementioned claim 2 to 6,
It is characterized in that,
Described electric contacts (2) has contact (8), described contact have the interior chamber (13) that limited by contact inwall (12) and with the opposed contact outer wall of described contact inwall (12) (10), wherein said lock rifle (14) stretches out from described contact outer wall (10), wherein said the first locking element (22) extends in described interior chamber (13), wherein at the first locking element described in described primary importance (22), at described interior chamber (13) interior shape, is connected in locking manner on described the second locking element (24).
8. according to electric contacts claimed in claim 7,
It is characterized in that,
At the first locking element described in the described second place (22), through described interior chamber (13), do not extend.
9. according to electric contacts in any one of the preceding claims wherein,
It is characterized in that,
Described electric contacts (2) and described the second locking element (24) Construction integration and described lock rifle (14) and described the first locking element (22) Construction integration.
10. according to electric contacts in any one of the preceding claims wherein,
It is characterized in that,
The described electric contacts (2) with the second locking element (24) is pressing and bending part together with the described lock rifle (14) with the first locking element (22).
CN201280038613.3A 2011-08-03 2012-06-06 Electrical contact element with latching lance for plug housing Active CN103703633B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102011080362A DE102011080362A1 (en) 2011-08-03 2011-08-03 Electrical contact element with locking lance for a connector housing
DE102011080362.9 2011-08-03
PCT/EP2012/060759 WO2013017322A2 (en) 2011-08-03 2012-06-06 Electrical contact element with a latching lance for a plug housing

Publications (2)

Publication Number Publication Date
CN103703633A true CN103703633A (en) 2014-04-02
CN103703633B CN103703633B (en) 2017-04-26

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EP (1) EP2740185B1 (en)
CN (1) CN103703633B (en)
DE (1) DE102011080362A1 (en)
TW (1) TWI528649B (en)
WO (1) WO2013017322A2 (en)

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WO2013017322A2 (en) 2013-02-07
TW201320488A (en) 2013-05-16
WO2013017322A3 (en) 2013-05-23
CN103703633B (en) 2017-04-26
DE102011080362A1 (en) 2013-02-07
EP2740185A2 (en) 2014-06-11
TWI528649B (en) 2016-04-01

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