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WO2006106119A1 - Ensemble connecteur lateral a double verrouillage - Google Patents

Ensemble connecteur lateral a double verrouillage Download PDF

Info

Publication number
WO2006106119A1
WO2006106119A1 PCT/EP2006/061348 EP2006061348W WO2006106119A1 WO 2006106119 A1 WO2006106119 A1 WO 2006106119A1 EP 2006061348 W EP2006061348 W EP 2006061348W WO 2006106119 A1 WO2006106119 A1 WO 2006106119A1
Authority
WO
WIPO (PCT)
Prior art keywords
retainer
terminal
terminals
housing
housing module
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.)
Ceased
Application number
PCT/EP2006/061348
Other languages
English (en)
Inventor
Philippe Pozzo Di Borgo
Patrice Blondel
Lee Brian Sen Meng
Liw Alex Kian Kwang
Lee Kieng Sheng
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JST France SAS
Original Assignee
JST France SAS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by JST France SAS filed Critical JST France SAS
Publication of WO2006106119A1 publication Critical patent/WO2006106119A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42—Securing in a demountable manner
    • H01R13/436—Securing a plurality of contact members by one locking piece or operation
    • H01R13/4361—Insertion of locking piece perpendicular to direction of contact insertion
    • H01R13/4362—Insertion of locking piece perpendicular to direction of contact insertion comprising a temporary and a final locking position
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
    • H01R12/721—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures cooperating directly with the edge of the rigid printed circuits

Definitions

  • the present invention relates generally to electrical connectors. More particularly, the present invention relates to a sub assembly of a card edge connector assembly and to a card edge connector assembly comprising the sub assembly according to the invention.
  • a main card edge connector sub assembly as the one which is the object of the invented sub assembly generally consists of a terminal housing module and of a retainer.
  • the terminal housing module has housings for a plurality of terminals disposed in one or several lines of said terminals housing module.
  • the terminals housing module generally consists of a dielectric housing, with a plurality of through housings, in which terminals for the module may be housed and maintained.
  • the through housings are linking the entrance or rear face to the connecting or front face of the terminal housing module.
  • a slot on the connecting face of the terminals housing module is for receiving an edge of a printed wire circuit board.
  • the printed wire circuit boards that are to be connected to an edge connector are constructed with printed tracks leading to the edge of the printed wire circuit boards.
  • the tracks leading to the edge may be on an upper face or on a lower face of the printed wire circuit board or on both the upper and lower faces.
  • a slot of the terminal housing module has a central straight line, which defines a direction X of alignment of the terminals.
  • a Y direction is a direction perpendicular to the X alignment direction, and parallel to the plane of a board that is to be introduced in the slot to be in connection with terminals housed in the terminal housing module.
  • a Z direction is a direction perpendicular to the plane XY.
  • the Y direction is considered as a rear to front direction and a length dimension in the Y direction is considered as being a length.
  • the X direction has a left to right direction and a length dimension in the X direction is considered as being a width.
  • the Z direction is considered as a height direction.
  • TPA terminal position assurance
  • each terminal 12 has a lug 36 for connecting the matting terminal 12.
  • the lug 36 is integrally connected with a crimping barrel 39 which crimps an electrical wire 13.
  • the lug 36 is fitted with a lance engaging recess 38.
  • the lug is clipped in said fully inserted position by the tip.
  • a terminal 12 When a terminal 12 has being pushed in fully inserted position, it may seem to be in fully inserted position, without actually being in fully inserted position and without actually being clipped. It is the reason why there is a double locking mechanism also called a terminal position assurance.
  • a retainer locking member 37 is provided on the upper side edge of the lug 36. The retainer 11 cooperates with each of said retainer locking members 37 to lock the terminals in fully inserted position.
  • a plurality of terminal locking tabs and terminal recess are alternately provided on a lower surface of a flat member 30 of the retainer 11 provided in the XY plane.
  • the assembly is as follow.
  • the retaining member 11 is pushed inside the terminal housing module in the X direction until it reaches a pre-locked position.
  • Each terminal 12 is pushed in its housing 21 in the Y direction from rear to front.
  • the lug 36 and in particular the locking member 37 has a free passage in the housing 21.
  • the locking member 37 passes through a terminal recess of the retainer, between two consecutive locking tabs.
  • the retainer 11 is then pushed again in the X direction up to a locked position. In said locked position a front face of each locking tab is pushed behind the retainer locking members 37 of the lugs 36 and locks each of the terminals 12.
  • the retainer locking member 37 and the locking tabs of the retainer 11 form together a second locking of each terminal 12. It is the reason why said second locking is called a double locking mechanism. It comes in addition to the primary locking provided by tip and recess 38. It is also to be observed that if a terminal 12 is present but not pushed enough in its through housing 21 so that the first locking is not engaged, therefore the retainer locking member 37 is in a rearward position relatively to the fully inserted position and prevents the retainer 11 to be pushed in the locked position, thus inviting a check of the position of the terminals 13. It is the reason why the second mechanism 11, 37 is also called a terminal position assurance (TPA) device.
  • TPA terminal position assurance
  • Figure 2A and 2B are each a perspective view of examples of commercially available terminals to be housed in a terminals housing module of a card edge connector assembly.
  • Figure 2A also represents very schematically in dotted lines a housing of a terminal 12.
  • the terminal 12 of figure 1 is also a terminal that is commercially available.
  • Each of said terminals 12 represented on figure 1 or 2 A, 2B has a lug 36 and a crimping barrel 39 integrally electrically and mechanically connected with the lug 36 for crimping an electrical wire 13.
  • the wire 13 is to be crimped in the crimping barrel 39 in two different places.
  • An electrical nude part 13a of the thread 13 is to be crimped on a front crimping part 39a of the barrel 39.
  • An electrical insulated part 13b of the thread 13 is to be crimped on a rear crimping part 39b of the barrel 39.
  • a recess 39c is present between the front and rear crimping parts 39a, 39b of the barrel 39.
  • Another recess 39d is present between the front crimping parts 39a, and the lug 36 of the barrel 39.
  • the lugs 36 represented on Figures 2 A and 2B are each equipped with elastic blades 137 that project from a main body of the lug 36, outwardly in a rearward direction, for instance two blades symmetrical from one another relatively to a plane of symmetry.
  • a front end of the lugs 36 is fitted with two elastic contact blades 31.
  • a contact blade 31 of a terminal 12 is on the upper surface of the board, the other contact blade 31 is on the lower surface of the board, so that the board is pinched between the two contact blades 31.
  • One at least of the contact blades 31 is on a conductive track end of the board.
  • the main body of the lug 36 has a larger cross section than any other part of the terminal 12. That means that the housing 21 is in the form of a passage with a cross section that is larger or sensibly equal to the larger cross section of the lug, at least up to the place of the housing that is to receive the lug 36 when the terminal 12 is in its fully inserted position.
  • a front part of housing 21 which houses the contact blades 31 projecting forward from the lug 36 may also be tapered to fit with the external form of contact blades 31.
  • FIG. 21 A schematic perspective view of a through housing 21 which is also a passage 21 for pushing in a terminal 12 is represented in doted lines on Figure 2 A.
  • the same place 21 is called a passage or a housing. It is a passage as long as the terminal is being pushed in and it becomes a housing when the terminal has reached its fully inserted position.
  • the passage 21 has a cross section all along its length. Said cross section is large enough to allow the pushing of a main body of a lug of a terminal to be pushed inside its housing up to its fully inserted position.
  • the passage is fitted with primary locking means of the terminal housing module. Said primary locking means are to cooperate with corresponding primary locking means of the terminal.
  • each housing 21 may comprise a lance with a tip that clips in a recess 38 of the lug 36 of the terminal 12.
  • the passage 21 comprises walls 35, perpendicular to the Y direction. In the passage the walls 35 have between them an empty space. A width of the empty space in the plane XZ is sensibly equal to a width of a main body of the lug 36 of the terminal 12.
  • Wires 13 crimped in their respective terminals 12 are pushed from rear to front inside their respective housing 21.
  • the lug 36 of a terminal 12 passes between the walls 35 of the terminal housing module 20 having between them an empty space having a width sensibly equal to a width of the lug 36, the blades 137 are pushed toward the lug 36, so that the lug may pass between the walls 35.
  • the blades 137 are not any more in pressure contact with the walls 35 and elastically come back to their outwardly extended position locking the terminal 12. The primary locking of the terminal 12 is then engaged.
  • the Y direction is as in the prior art above described, a direction which is still a direction perpendicular to an X alignment direction of the housings of the terminal housing module, said X direction being a direction of an edge of a printed circuit board to be inserted in a matting slot of the terminal housing module.
  • Said X direction is materialized in the terminal housing module by a longitudinal direction of the slot.
  • terminals housing module having a plurality of through housings aligned along an X direction being a left to right direction, two parallel straight lines in the X direction defining an XY plane, a Y direction which is a rear to front direction being a direction in the plane XY perpendicular to the X direction, and a Z direction being a height direction perpendicular to the plane X, Y, the through housings being for housing electrical terminals, said terminals housing module having outer upper and lower faces and
  • a retainer of a double locking mechanism said retainer being slidable along a direction of sliding, from a pre-locked position in which the retainer is inserted inside the terminals housing module, to a locked position of the retainer said locked position being a position of the retainer in which terminals of wires when they are housed in said terminals housing module are primary locked, characterized by the retainer having teeth projecting in the Z direction from a surface sensibly parallel to the XY plane, the direction of sliding of the retainer being the Z direction.
  • through housings have a part of primary locking means for a lug of terminal said primary locking means of the through housings being to cooperate with a part of primary locking means of a terminal to lock the terminal in a fully inserted position.
  • the part of primary locking means for a lug of a terminal through housing may be made for instance by walls extending inwardly inside the through housings a face of wall being downward and extending in the XY plane.
  • the through housings may have extension projecting outward and upwardly from a part of terminal housing, said part of housing, being the part to house a lug of a terminal.
  • the extension is for guiding a blade of a lug and preventing it to extend outwardly or to prevent it to extend it outwardly in an extended position.
  • the extension is shorter in the X direction than the width of the part of housing devoted to house the lug of a terminal. What is important is that the width of the extension is smaller than the width of a terminal house in the lug housing. It is to be noted that generally the inner width of said housing is for compactness purpose said inner width is just great enough to house the lug.
  • the teeth of the retainer may have parts thinner than other parts in the X direction. Said configuration is well adapted but only when the terminal housing module of the sub assembly has several lines of housing, one above another.
  • the teeth of the retainer has above the thin part, shoulders that extend in the X direction at the right and the left of said thin part, said right and left shoulder having a face which in the locked position of the retainer is behind a sub housing of a lug of the retainer.
  • the thinner part is of course thinner than the part having the shoulder extending right and left of the thinner part.
  • the terminal housing module has an extension to prevent blades of a lug of a terminal to extend up to their full extended position it is best that an empty space between proximate surfaces being in ZY planes of two consecutive teeth has a width in the X direction which is equal or slightly superior than the width in the X direction of the extension of the terminal housing module.
  • the empty space allow the retainer to be pushed downward from the pre-locked position up to the locked position without being prevented to do so by the rear part of the extension.
  • Figure 1 is a perspective exploded view of a prior art sub assembly comprising a terminals housing module and a retainer of a double locking mechanism, and one of the terminals to be housed in the terminals housing module.
  • Figure 2 A is a perspective view of an example of commercially available terminal that may be housed in a terminals housing module of a sub assembly according to the invention and of a schematic housing for said terminal.
  • Figure 2B is a perspective view of an other example of commercially available terminal that may be housed in a terminals housing module of a sub assembly according to the invention
  • Figure 3 is a perspective view of a terminals housing module of a sub assembly according to the invention.
  • Figure 4A and 4B are each a perspective view of an example of a retainer for a sub assembly according to the invention.
  • Figure 5A is a cross section along a plane XZ of an example of a sub assembly according to the invention with a retainer in a pre-locked position.
  • Figure 5B is a cross section along a plane XZ of the example of the sub assembly of Figure 5 A with a retainer in a locked position.
  • Figure 6 is a perspective enlarged partial view of an example of a sub assembly according to the invention.
  • the sub assembly of the invention is comprised of a terminal housing module 20 and of a retainer 11.
  • FIG 3 is a perspective view of a first example of a terminals housing module 20 that is a part of a sub assembly according to the invention, of a card edge connector assembly.
  • the terminals housing module 20 has a plurality of through housings 21. On Figure 3 only a front part of housings 21 is appearing.
  • Each of the housings 21 is along a Y direction which is a rear to front direction.
  • An X direction is a direction perpendicular to the Y direction from the left to the right.
  • the X direction is a direction of alignment of the through housings 21.
  • the Y and X direction define a direction of a plane X, Y.
  • the planes in the XY direction are planes which are parallel to the planes of printed circuit board(s) to an edge of which the card edge connector assembly may be electrically connected.
  • a Z direction is a height direction perpendicular to a plane X, Y.
  • the terminal housing module 20 has a front face 25 perpendicular to the direction Y, with an insertion slot 22 in which an edge of a matching PWCB (not shown) may be inserted. Faces 23, 24 of the terminal housing module along the slot 22 in which the PWCB may be inserted are shaped to have a sloped edge on each side of the insertion slot 22, which guides the PCWB into the insertion slot 22.
  • the terminal housing module 20 has an upper and a lower outer faces 26, 27 respectively, parallel to the plane X, Y and perpendicular to the direction Z. A distance between faces 26, 27 is an outer height of the terminal housing module 20.
  • the terminal housing module 20 has two lateral outer faces 28, 29 parallel to the plane YZ a left lateral outer faces 28 and a right lateral outer faces 29.
  • Through housings 21 are for housing electrical terminals 12 for instance as represented and described in relation with figure 1 and 2 A, 2B.
  • the terminals 12 when housed in the terminals housing module 20 are for connection to a printed circuit board not shown. When an edge of a mating printed circuit board is introduced in the front slot 22 of the terminals housing module 20 the terminals 12 are operatively connected to conductive tracks ends of the printed circuit board.
  • the terminals housing module 20 comprises a TPA cavity 19 starting from its upper face 26.
  • Cavity 19 is for housing a retainer 11 that will be described later. Lateral walls of cavity 19 are fitted with first and second locking means of the retainer not represented on figure 3. They are to cooperate with matting locking means of the retainer 11. Their form and function will be easily understood when describing an example of a retainer 11 in relation to figures 4 A and 4B.
  • FIGS. 4A and 4B are each a perspective view of such a retainer 11.
  • the retainer 11 has a longitudinal base 14 extending in the X direction.
  • the base 14 is equipped with a stop shoulder 15.
  • Shoulder 15 cooperate with a corresponding shoulder in the cavity 19 of the terminal housing module 20 to stop the retainer 11 from being pushed farther than the locked position in the Z direction.
  • Retainer 11 is also laterally fitted with locks, a left lock and a right lock 16 for a pre-locked position and of left and right locks 17 for a locked position of the retainer 11 in the terminal housing module 20.
  • the locks 16 and 17 are in the form of bosses that cooperate with corresponding locking recesses in the cavity 19 of the terminal housing module 20.
  • the retainer 11 has a projection that may also be called a unique tooth 18 projecting in the Z direction from the base 14.
  • Said projection 18 has a front surface 18c perpendicular to the Y direction.
  • An end of the projection 18 opposite the base 14 is chamfered at least on the side of the front surface 18c.
  • the retainer 11 is equipped with teeth 18 projecting in the Z direction.
  • a recess 18b is provided between each two consecutive teeth.
  • Each tooth has a front surface 18c perpendicular to the Y direction.
  • An end of each tooth 18 is chamfered at least on the side of the front surface 18c.
  • the projection 18 or each tooth has a downward or detecting surface 18a.
  • projection 18 either in figure 4 A or teeth in Figure 4B have been given the same reference number because they have the same function.
  • a front surface 18c of a tooth or of the projection 18 is a locking surface which, in the locked position of the retainer 11, comes behind a retaining member of a terminal 12, and prevents it to be pulled rearward. Also it may be considered that a unique projection 18 is equivalent to a unique tooth 18.
  • the assembly of the terminals housing module 20, of each terminal 12 and of the retainer 11 is made as follows.
  • the retainer 11 is slide along the Z direction inside the cavity 19 of the terminal housing module 20 until the retainer 11 reaches the pre-locked position.
  • the bosses 16 of the retainer 11 are engaged in mating recesses 16a (shown on Figure 5A) of cavity 19.
  • the retainer 11 is attached to the terminal housing module 20.
  • the projection 18 of the example of figure 4A or the teeth 18 of Figure 4B is (are) inside the module 20.
  • no part of the retainer 11 is in the passage of the terminals 12.
  • the retainer 11 of the TPA When all the terminals have been set in and primarily locked, the retainer 11 of the TPA is pushed downward in the cavity 19 until it reaches the locked position. In said locked position the bosses 16 or only the bosses 17 of the retainer 11 are engaged in corresponding recesses 16a, 17a respectively (shown on Figure 5 A and 5B respectively) of the cavity 19. Projection 18 and in particular surface 18c of the projection 18, or respectively of teeth 18 of the retainer 11 are engaged in the passage behind the lugs 36 and prevent said lugs from coming rearward. According to one embodiment a projection or tooth 18 of the retainer is engaged behind a corresponding lug 36 in the recess 39d between the lug and the first crimping part 39a. According to a second embodiment a projection 18 or a tooth 18 of the retainer 11 is engaged behind its corresponding lug 36 in the recess 39c between the first and second crimping part 39a, 39b.
  • the embodiments of the invention which has just been described in relation to figure 3 and either retainer of Figure 4A or 4B may be used for a sub assembly of a terminal housing module and of a retainer, in which the terminal housing module has a simple single line of housings as represented in Figure 3.
  • the terminals 12 which are in the terminal housing module of those embodiments are not necessarily of the same size and form. If some lugs 36 have rear locking member with rear locking surfaces, which are, for instance, in a rearward position relatively to others, then the front surface 18c of the projection 18 is not necessarily flat and may present recesses in the Y direction so that the most rearward rear locking surfaces of locking members are at the same level in the Y direction as the part of front surface 18c that they are facing. In the case of the retainer represented in figure 4B, the teeth may have different thicknesses in the Y direction and/or have different position in the Y direction to accommodate the second locking of different terminals.
  • the lugs 36 of said terminals not locked are in a rearward position relatively to the position that they should have. Said lugs 36 which are not in position will enter in contact with the detecting surface 18a of the corresponding tooth or of the projection 18 preventing the retainer 11 to be pushed downward in the locked position. That gives a warning that the primary locking of the terminals 12 must be checked.
  • the retainer 11 is in the locked position, insurance is provided that all the terminals are in the primary locked position.
  • a second locking mechanism is then also provided.
  • Figures 5A and 5B are cross sections of a sub assembly comprising a terminal housing module 20, a retainer 11 and several lines, 32, 42 of terminals 12, 12a.
  • Figure 6 is an enlarged perspective view of a part of the assembly of a terminal housing module 20, a retainer 11 and terminals 12, 12a.
  • the terminal 12, 12a are not part of the sub assembly of the invention. They have been represented to ease the understanding of the description and to explain how it works.
  • the lines are at different levels in the Z direction.
  • the cross sections of the assembly are by a plane XZ, at a place just behind the lugs 36, when they are in the primary locked position.
  • terminals 12a at each end of upper line 32 are bigger than the other terminals. So there corresponding housing 21a has accordingly a larger cross section.
  • Terminals 12a could be for instance terminals for power supply. That means in particular that a rearward surfaces of lugs 36 or recesses 39c or 39d of the terminals which may be used in cooperation with retainer 11 to provide the second locking mechanism, need not to be aligned in the X direction so that a locking surface in the XY plane such as 18c represented in figure 4A can slide in the X direction to lock all the terminals. This is possible because each tooth 18 has its own passage in the Z direction.
  • the locking of a terminal 12 is provided by a shoulder which is the forward surface 18c of the projection 18.
  • retainer 11 may have a longitudinal base 14 extending in the X direction and a unique projection or tooth 18 projecting perpendicularly from the base 14 in the Z direction.
  • the number of teeth 18 in the embodiment is equal or superior to (n + 1), n being the number of housings in one of the lines 32, 42 with the greater number of housings. It will now be distinguished between last right and left teeth and next to last right and left teeth respectively and the other teeth which will be called central teeth.
  • the teeth 18 have thinner parts 41 in the X direction. There are at least as many thinner parts 41 in a tooth 18 as there are lines of terminal housings in the terminal housing module 20.
  • the height of the thinner part in the Z direction is equal or superior, preferably just slightly superior to the height of a lug 36 except for a last down thinner part 41 of each tooth 18.
  • the last down thinner part 41 of each tooth 18 has a length shorter than a height of a lug 36, for instance about half of the height.
  • the location in the Z direction of the thinner parts 41 is such that a passage 21 for the terminal 12 which is between two consecutive thin parts 41 is at least as large as the width of the lug 36 in the X direction.
  • the distance between facing surfaces in the YZ plane of the thin parts 41 of two consecutive teeth 18 is at least equal to the width of a housing of a lug 36 which is between said consecutive surfaces which are face to face.
  • the distance between surfaces of the upper thin parts 41 of the last right tooth 18 and of the next to last right tooth, which are face to face is at least equal to the width of the housing of the lug 36 which is between said consecutive surfaces.
  • the last right lug 36 of terminal 12a of the upper line 30, is greater, for instance, than the last right lug of terminals of other lines such as line 42.
  • the distance between thin parts 41 of the last and next to last right teeth of the upper line 32 is greater than the distance between thin parts 41 of the last and next to last right teeth of the other lines.
  • the distance between consecutive thin parts 41 is equal or slightly superior to the width of a lug 36 which is between said consecutive thin parts 41.
  • the inner size of a housing of a lug 36 are just large enough to allow the main body of a lug 36 to be set in.
  • the housing has an empty space around an upper part of a lug to allow the blades to extend and to retain the lug inside the housing. In the pre- locked position, the position of the thin part 41 is such that there is just room enough in the passage 21 of the terminal housing module 20 equipped with the retainer 11 for the lug 36 to be pushed forward in the Y direction.
  • Each thin part 41 is below a larger part 43 of a tooth.
  • the larger part of a tooth 18, but for the two last one has a shoulder 48 projecting on the left and a shoulder 49 projecting on the right hand side of a thinner part 41.
  • the left and right projections 48, 49 may be, but not necessarily equal to one another.
  • the left and right projections 48, 49 are equal to one another.
  • next to last left tooth has a projection toward left which is larger in the X direction than the projection toward right.
  • 5B and 6 next to last right tooth 18 has a projection 49 toward right which is larger in the X direction than the projection 48 toward left.
  • Last right and left teeth have no projection or a projection equal to zero in the right and left direction respectively.
  • Each projection 48, 49 has a detecting surface 18a which is a downward surface of a projection 48, 49.
  • each lug 36 is maintained by front surface 18c best shown on figure 6 of a right shoulder 48 of a larger part 43 of a tooth 18 and by front surface 18c of left shoulder 49 of the larger part 43 of the next consecutive tooth 18.
  • the lugs 36 or 36a of said terminals 12 or 12a not locked are in a rearward position relatively to the position that they should have. Said lugs which are not in fully inserted position will enter in contact with a detecting surface 18a of the corresponding teeth preventing the retainer 11 to be pushed downward in the locked position. That gives a warning that the primary locking of the terminals 12 or 12a must be checked.
  • the retainer 11 is in the locked position, insurance is provided that all the terminals are in the primary locked position.
  • a second locking mechanism is then also provided.
  • the housing 21 comprises above the wall 35 extensions 44 best shown on Figure 6 having an inner surface 45a extending rearward and in the X direction.
  • the inner surfaces 45 are symmetrical too relatively to a plane XZ
  • the extensions 44 may not be in the X direction as long as the width of a lug 36 in said direction, otherwise the shoulders 48, 49 of a larger part 43 of a tooth 18, would be prevented to be pushed downward toward the locked position.
  • An empty space 46 between proximate surfaces 3, 4 being in ZY planes of two consecutive teeth has a width in the X direction which is equal or slightly superior to the width in the X direction of the extension 44 of the terminal housing module (20). The empty space 46 is such placed, that the extension 44 is at least partially housed in said empty space 46 when the retainer 11 is in the locked position.
  • the sub assemblies that have been described may be a part of an assembly of a card edge connector comprising in addition to the sub assembly a frame for housing one more terminal housing modules 20 one above an other.
  • the terminal housing modules 20 may have one row of housings as represented on figure 3 or several rows as represented in Figures 5 A and B and 6.
  • the terminals and other components usually present in prior art card edge connectors may also be present.

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  • Connector Housings Or Holding Contact Members (AREA)

Abstract

La présente invention concerne un sous-ensemble de connecteur de carte comprenant: un module de logement de bornes (20), lequel module de logement de bornes (20) comprend une pluralité de logements traversants (21) alignés dans une direction X et s'étendant dans une direction Y perpendiculaire à la direction X et conçus pour loger des bornes électriques (12), une direction Y étant une direction de hauteur perpendiculaire à un plan X, Y, lequel module de logement de bornes (20) comprend une surface supérieure extérieure (26) et un organe de retenue (11) d'un mécanisme à double verrouillage pouvant coulisser dans une direction Z d'une position pré-verrouillée à une position verrouillée, ladite position verrouillée étant une position de l'organe de retenue (11) dans laquelle des bornes (12) de fils (13), lorsqu'elles sont logées dans ledit module de logement de bornes (20), sont verrouillées. L'organe de retenue (11) comprend des dents se projetant dans la direction Z depuis une surface sensiblement parallèle au plan X, Y.
PCT/EP2006/061348 2005-04-05 2006-04-05 Ensemble connecteur lateral a double verrouillage Ceased WO2006106119A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP05290756 2005-04-05
EP05290756.5 2005-04-05

Publications (1)

Publication Number Publication Date
WO2006106119A1 true WO2006106119A1 (fr) 2006-10-12

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PCT/EP2006/061348 Ceased WO2006106119A1 (fr) 2005-04-05 2006-04-05 Ensemble connecteur lateral a double verrouillage

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Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4946399A (en) * 1987-10-09 1990-08-07 Yazaki Corporation Double-locking device for connector terminals and method of preparing the locking device
EP0540008A1 (fr) * 1991-10-30 1993-05-05 Sumitomo Wiring Systems, Ltd. Connecteur
US5358427A (en) * 1991-09-04 1994-10-25 Yazaki Corporation Connector having a dual terminal-fastening structure
US5516308A (en) * 1993-09-01 1996-05-14 Yazaki Corporation Connector equipped with comb-like terminal locking tool
US5609503A (en) * 1994-05-30 1997-03-11 Yazaki Corporation Double-lock type connector
EP0898330A2 (fr) * 1997-08-22 1999-02-24 Sumitomo Wiring Systems, Ltd. Connecteur ayant un dispositif de retenue des contacts
EP1107381A2 (fr) * 1999-12-02 2001-06-13 Sumitomo Wiring Systems, Ltd. Connecteur
EP1158621A2 (fr) * 2000-05-24 2001-11-28 Sumitomo Wiring Systems, Ltd. Boítier de connecteur
US20020042232A1 (en) * 2000-08-10 2002-04-11 Yumi Mitani Joint connector
US20020193012A1 (en) * 2001-06-18 2002-12-19 Sumitomo Wiring Systems, Ltd. Connector and a method of assembling it
US20040190986A1 (en) * 2003-03-20 2004-09-30 Yazaki Corporation Connector

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4946399A (en) * 1987-10-09 1990-08-07 Yazaki Corporation Double-locking device for connector terminals and method of preparing the locking device
US5358427A (en) * 1991-09-04 1994-10-25 Yazaki Corporation Connector having a dual terminal-fastening structure
EP0540008A1 (fr) * 1991-10-30 1993-05-05 Sumitomo Wiring Systems, Ltd. Connecteur
US5516308A (en) * 1993-09-01 1996-05-14 Yazaki Corporation Connector equipped with comb-like terminal locking tool
US5609503A (en) * 1994-05-30 1997-03-11 Yazaki Corporation Double-lock type connector
EP0898330A2 (fr) * 1997-08-22 1999-02-24 Sumitomo Wiring Systems, Ltd. Connecteur ayant un dispositif de retenue des contacts
EP1107381A2 (fr) * 1999-12-02 2001-06-13 Sumitomo Wiring Systems, Ltd. Connecteur
EP1158621A2 (fr) * 2000-05-24 2001-11-28 Sumitomo Wiring Systems, Ltd. Boítier de connecteur
US20020042232A1 (en) * 2000-08-10 2002-04-11 Yumi Mitani Joint connector
US20020193012A1 (en) * 2001-06-18 2002-12-19 Sumitomo Wiring Systems, Ltd. Connector and a method of assembling it
US20040190986A1 (en) * 2003-03-20 2004-09-30 Yazaki Corporation Connector

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