CN1193205A - Fixing device for circuit board - Google Patents
Fixing device for circuit board Download PDFInfo
- Publication number
- CN1193205A CN1193205A CN97102592A CN97102592A CN1193205A CN 1193205 A CN1193205 A CN 1193205A CN 97102592 A CN97102592 A CN 97102592A CN 97102592 A CN97102592 A CN 97102592A CN 1193205 A CN1193205 A CN 1193205A
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- circuit board
- holding device
- board holding
- auxiliary section
- extending column
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Abstract
The present invention relates to a circuit board holder, which comprises a long main body, fixing plates and extending column, sheet spring positioned on the extending column and slide block. Its main body has a receiving chamber for receiving related slot connector, its fixing plates are respectively extended from both sides of said main body perpendicularly to the lengthwise direction, the bottom surfaces of said fixing plates and the bottom surface of the main body are being in same plane, the extending column is extended from top surface of the main body, the sheet spring and the extending column are interference-fitted, and the slide block can be moved along lengthwise direction.
Description
The present invention relates to a kind of circuit board holding device, particularly relate to a kind of effectively holding unit of fixing circuit board.
In the computer field, connector is that computer motherboard produces a kind of device that is electrically connected with other circuit boards, described circuit board forms a plurality of circuit liners of arranging along longitudinally on a lateral margin, described connector mainly is made of a microscler insulation shell, this insulation shell is being formed with on the longitudinally together or the slot together, in order to accommodate relevant circuit board, a plurality of symmetrical chases are set respectively on the inwall of both sides on the slot longitudinally, plug a connector terminal in each chase side by side, the part of this bonder terminal passes from the insulation shell bottom, so that circuit board after inserting connector, can be electrically connected with the motherboard generation by these bonder terminals of mat.Yet, when connector is vibrated or impact,, circuit board is rocked if the fixing circuit board arrangement is perfect inadequately, cause the circuit instant cut-off between circuit board and motherboard, the influence operation.
See also shown in Figure 1ly, it is a kind of existing connector 10, and after circuit board 1 inserted the slot 11 of connector 10, it only depended on the bonder terminal 12 of slot 11 both sides to clamp circuit board 1.Owing to all be coated with the thin gold of one deck on the surface that circuit board 1 and bonder terminal 12 are in contact with one another, and because circuit board 1 needs plug in the use, therefore bonder terminal 12 clamp the strength of circuit board 1 can not be too big, in order to avoid when plug circuit board 1, with circuit board 1 or bonder terminal 12 lip-deep thin golden scratches or wear away, influence the electrical connection quality of connector 10.Therefore the distance between the bonder terminal 12 of slot 11 both sides must design to such an extent that be unlikely the demand that scratch should thin gold layer just can meet the user, yet the consideration in this design will have a strong impact on the effect of fixing circuit board 1.
In order to improve the effect of fixing circuit board, produce the connector 20 that as shown in Figure 2 two ends on longitudinally vertically extend a holding unit 21 respectively, wherein this is to the distance between the holding unit 21, be designed to match with the width of circuit board, on longitudinally, to fix circuit board, fluting 22 on these holding unit 21 tops designs to such an extent that match with the thickness of circuit board, to fix circuit board on perpendicular to longitudinally; And as shown in Figure 3, also have and a kind ofly separate with connector 25, be sleeved on the holding unit 26 on the connector 25 during use again.
Other are as the U.S. the 4th, 204,737,4,349,237,4,781,612,4,804,334,4,826,447,4,850,891,4,869,672,4,898,540,4,990,097,5,013,264,5,026,292,5,211,571,5,242, in the patents such as No. 312, similar structure is all disclosed.
The development of computer equipment in recent years has a kind of new trend, be different from the past and directly CPU (Center Process Unit-CPU) be arranged on the mode on the motherboard, its earlier with the CPU soldering on a circuit board, again this circuit board is inserted in the connector that is welded on the motherboard, make the internal circuit of CPU realize being electrically connected with the interlock circuit on the motherboard.The newtype circuit board of this carrying CPU, because load capacity increases on the circuit board, therefore must be more strong in order to the structure of fixing circuit board, can avoid circuit board to rock, yet aforesaid holding unit is only considered at most lengthwise fixing with perpendicular on the lengthwise both direction, with regard to being orthogonal to above-mentioned two directions, this holding unit does not provide any fixing, and therefore the circuit board of this newtype does not meet demand.Have again, the circuit board of this newtype except the carrying CPU, also will carry radiator, the fan of CPU and other are such as electric capacity, resistance, chip or the like electronic component, if load capacity is quite big, aforementioned holding unit does not obviously more meet user demand.
The object of the present invention is to provide a kind of circuit board holding device,, avoid circuit board to rock no matter its fixedly available circuit plate or newtype circuit board all can be realized effective fixing.
The object of the present invention is achieved like this, a kind of circuit board holding device promptly is provided, fixing relevant circuit board, described circuit board form a plurality of circuit liners along the longitudinally arrangement on a lateral margin, described a plurality of circuit liner mat one arrangements of electric connections are electrically connected with interlock circuit on the motherboard; Described circuit board holding device comprises: a body that cooperates with relevant arrangements of electric connection; At least one be positioned at circuit board longitudinally one end, from described body towards the extended extending column of a direction; At least one flexible member; One moving meter that cooperates with described extending column; Described moving meter is moving and is fixing circuit board between release position and make position under the effect of described flexible member.
The advantage of apparatus of the present invention is that its fixing circuit board is effective, move smooth-going, operability, good endurance, long service life.
Below in conjunction with accompanying drawing, embodiments of the invention are described, wherein:
Fig. 1 is a kind of stereogram of existing connector;
Fig. 2 is the stereogram of another kind of existing connector;
Fig. 3 is the three-dimensional exploded view of connector and a holding unit among Fig. 1;
Fig. 4 is the stereogram of a circuit board holding device of the present invention and a circuit board;
Fig. 5 is the stereogram of sliding shoe among Fig. 4;
Fig. 6 is the stereogram of another angle of sliding shoe among Fig. 4;
Fig. 7 be among Fig. 4 sliding shoe along the profile of VII-VII line among Fig. 6;
Fig. 8 is circuit board holding device of the present invention profile along VIII-VIII line among Fig. 4 when the release position;
Fig. 9 is circuit board holding device of the present invention profile along VIII-VIII line among Fig. 4 when make position;
Figure 10 is a fixture schematic diagram among Fig. 4;
Figure 11 is another embodiment stereogram of circuit board holding device of the present invention;
Figure 12 is another embodiment stereogram of circuit board holding device of the present invention.
See also Fig. 4, it is the three-dimensional exploded view of a circuit board holding device 30 of the present invention and a circuit board 1, wherein this circuit board holding device 30 comprises that substantially one roughly is microscler body 31, this body 31 is formed with a room 32 on longitudinally, in order to accommodating relevant connector (not shown), and this circuit board holding device 30 two ends on longitudinally are the structure that is mutually symmetrical; The a pair of fixed head 33 that is positioned at arbitrary end on body 31 longitudinallies, extend perpendicular to longitudinally from body 31 two sides, so that circuit board holding device 30 can place on the motherboard (not shown) reposefully, on each fixed head 33 and form a fixture 34, can match with the structure of motherboard, circuit board holding device 30 is fixed on the motherboard, in the present embodiment, this fixture 34 is made up of the screw 36 that cooperates that a mating holes 35 and has internal thread, can pass and is fixed on (its detailed structure aftermentioned) on the motherboard for general commonly used screw (not shown); One is positioned at the extending column 40 of arbitrary end on body 31 longitudinallies, is orthogonal to longitudinally from body 31 end faces and extends, and the distance between two extending columns 40 is designed to match with the width of circuit board 1, to fix circuit board 1 in a longitudinal direction.
This extending column 40 comprises that a microscler main part 41, is connected with main part 41 and at extension 42 that extends outwardly on the longitudinally and a pair of clamping part 43 that extends inwardly on longitudinally, this is to the distance between the clamping part 43, be designed to match, on perpendicular to longitudinally, to fix circuit board 1 with the thickness of circuit board 1.The section of the surface area ratio extension 42 of these extension 42 end faces 44 is little, forms a sliding tray 47 that extends on the longitudinally respectively in both sides, and on longitudinally, from inside to outside be first projection 48 in regular turn, space 50 and second projection 49.The end face of this first projection 48 and second projection 49 all has the angle of inclination, be beneficial to the installing (back is described in detail) of sliding shoe 70, and this space 50 is between first projection 48 and second projection 49; This end face 44 is convexly equipped with out a stopper section 45 with angle of inclination along the outer rim on the longitudinally, and the inner edge on longitudinally forms a pair of groove 46, the shell fragment 60 that each groove 46 is made in order to accommodate a metal material.
This is to being contained in the shell fragment 60 in the groove 46, be the structure that is mutually symmetrical, each shell fragment 60 comprises a base portion 61, one be connected with base portion 61 and vertical on longitudinally towards pin portion 62 that the main part 41 of extending column 40 extends, one connects opposite with pin portion 62 bearing of trends with base portion 61 and with the outward extending guidance part 63 of an angle tilt, one is connected with base portion 61 and extends outwardly on longitudinally and have the elastic portion 64 of bending, and one be connected with elastic portion 64 and with base portion 60 coplanar afterbodys 65, wherein, form a pair of hangnail (see figure 8) in this pin portion 62, directly and groove 46 interference engagement, the guidance part 63 of this two shell fragment 60 is reversed dip extension each other then, is beneficial to the installing (back is described in detail) of sliding shoe 70.
The top cover unification plastics of each extending column 40 or the sliding shoe 70 that metal material is made, this sliding shoe 70 comprises a microscler pedestal 71 substantially, on pedestal 71 both side edges, extend one towards the main part 41 of extending column 40 and be the side projection 72 of symmetrical structure each other being orthogonal on the longitudinally respectively, between two side projections 72, form a central projection 73, this central authorities' projection 73 can match with structures such as sliding trays 47 with the end face 44 of extension 42 being orthogonal to development length on the longitudinally less than the development length of side projection 72.On these pedestal 71 both side edges, form two slots 74 separately side by side, can engage mutually with first projection 48 and second projection 49 of extending column 42, wherein this slot 74 does not run through side projection 72 fully, form clamping block 75 (as shown in Figure 5) at its free end, can be in order to prop up the bottom of first projection 48 and second projection 49, in case on-slip motion block 70 is deviate from from extending column 40 being orthogonal to longitudinally, and when sliding shoe 70 was mobile between release position and make position, this clamping block 75 can move in the sliding tray 47 of extension 42.
Please consult Fig. 5, Fig. 6, Fig. 7 simultaneously, therefrom can further understand the detailed structure of sliding shoe 70.Wherein, this side projection 72 has the motion block of work 76 between two slots 74, when sliding shoe 70 is mobile between release position and make position, this is made motion block 76 and only can move in the space 50 between first projection 48 and second projection 49, it is hereby ensured that sliding shoe 70 moving between the two positions can not cross the border, cause sliding shoe 70 along deviating from from extending column 40 on the longitudinally; These central authorities' projection 73 both side edges are to be mutually symmetrical and the structure of indentation substantially, have first alcove 77 and second alcove 78, end at contiguous second alcove 78 forms a stop surface 79 that tilts simultaneously, to match with the stopper section 45 of extending column 40 end faces 44, and this first alcove 77 is positioned at the inboard on Fig. 4 longitudinally, and this second alcove 78 is positioned at the outside on the longitudinally.
When sliding shoe 70 is linked in extending column 40 tops, the end face that has the angle of inclination on this first projection 48 and second projection 49, and two have guidance part 63 structures that reversed dip each other extends on the shell fragment 60, the clamping block 75 of bootable side projection 72 and central projection 73, this will help the fit of sliding shoe 70.
See also Fig. 8, it is circuit board holding device 30 of the present invention cutaway view along VIII-VIII line among Fig. 4 in the release position and when not fixing circuit board as yet.Wherein the elastic portion 64 of this shell fragment 60 is housed in first alcove 77 of sliding shoe 70, the stop surface 79 of this sliding shoe 70 props up the stopper section 45 of extension 42, this side projection 72 make second projection, 49 (not shown)s that motion block 76 props up extension 42, this moment, circuit board can insert in the connector (not shown).
See also Fig. 9, its for circuit board holding device 30 of the present invention when make position fixes circuit board 1, along the cutaway view of VIII-VIII line among Fig. 4, this moment circuit board 1 inserted in the connector (not shown).Wherein the elastic portion 64 of this shell fragment 60 is housed in second alcove 78 of sliding shoe 70, this side projection 72 make first projection, 48 (not shown)s that motion block 76 props up extension 42, the bottom of this central authorities' projection 73 props up the perforate 2 on circuit board 1 ora terminalis, vertically to fix circuit board 1 on Fig. 4 longitudinally.
Hence one can see that, circuit board holding device 30 of the present invention can be simultaneously on the longitudinally, and be orthogonal to and fix circuit board on the longitudinally perpendicular to longitudinally, therefore no matter be fixedly available circuit plate or newtype circuit board, all can realize effective fixing, avoid circuit board to rock; Have, the shell fragment 60 and the central projection 73 of circuit board holding device 30 of the present invention are symmetric design, so the action of sliding shoe 70 is smooth-going again, and the overall structure operability is good; The shell fragment 60 of circuit board holding device 30 of the present invention is made of metal, so good endurance, long service life.
See also Figure 10, it is for fixture 34 schematic diagrames of circuit board holding device of the present invention.What this fixture 34 comprised that a mating holes 35 and has an internal thread cooperates screw 36, wherein, this mating holes 35 comprises that a section is first perforation 81 of regular hexagon, rounded and the internal diameter of one section is positioned at first perforation 81 and second than these first perforation, 81 second little 82 and four of perforation and bores a hole that (this schematic diagram is a cutaway view for the salient point 83 of 82 connections, only illustrate wherein two), this cooperation screw 36 comprises that a section is first auxiliary section 84 of regular hexagon, one is connected with first auxiliary section 84 and section is rounded and have second auxiliary section 85 of less external diameter, one be connected with second auxiliary section 85 and external diameter be cone shape the 3rd auxiliary section 86 and many more greatly and roughly can be for the joint-cuttings 88 of the 3rd auxiliary section 84 strains, this first auxiliary section 84, second auxiliary section 85 and the 3rd auxiliary section 86 form a screw hole 87 with internal thread jointly.In this cooperation screw 36 is packed mating holes 35 into, when becoming the fixture 34 of circuit board holding device of the present invention, this first auxiliary section 84 is housed in first perforation 81, and the 3rd auxiliary section 86 is housed in second perforation 82, and the 3rd auxiliary section 85 is in order to accommodate four salient points 83.
General commonly used screw 95, be screwed together in the screw hole 87 that cooperates screw 36 earlier after, pass the circular port 91 on the motherboard 90, screw togather with a nut 96 again, circuit board holding device 30 of the present invention can be fixed on the motherboard 90.
At last, please consult Figure 11 and Figure 12 simultaneously, it is the stereogram of the different embodiment of circuit board holding device of the present invention.Wherein this circuit board holding device can be separated into two structures that are mutually symmetrical as shown in figure 11, also is suitable for when the length on the circuit board longitudinally changes; Or as shown in figure 12, the structure of an end on the longitudinally only provide longitudinally with perpendicular to the fixing function on the longitudinally, the fixing that is orthogonal on longitudinally function is not provided.
Claims (26)
1, a kind of circuit board holding device, fixing relevant circuit board, described circuit board form a plurality of circuit liners along the longitudinally arrangement on a lateral margin, described a plurality of circuit liner mat one arrangements of electric connections are electrically connected with interlock circuit on the motherboard; It is characterized in that described circuit board holding device comprises: a body that cooperates with relevant arrangements of electric connection; At least one be positioned at circuit board longitudinally one end, from described body towards the extended extending column of a direction; At least one flexible member; One moving meter that cooperates with described extending column; Described moving meter is moving and is fixing circuit board between release position and make position under the effect of described flexible member.
2, circuit board holding device as claimed in claim 1, it is characterized in that, described holding unit also comprises and a pair ofly is positioned at circuit board longitudinally two ends and from the extended in the same direction extending column of described body, and the moving meter that cooperates of a pair of and described extending column.
3, circuit board holding device as claimed in claim 1 is characterized in that, it is microscler that described body roughly is, and the room of relevant arrangements of electric connection is accommodated in formation one on it.
4, circuit board holding device as claimed in claim 1 is characterized in that, described extending column vertically extends from body.
5, circuit board holding device as claimed in claim 1 is characterized in that, described flexible member is positioned on the described extending column.
6, circuit board holding device as claimed in claim 1 is characterized in that, described moving meter is sleeved on the described extending column.
7, circuit board holding device as claimed in claim 1 is characterized in that, described flexible member is a shell fragment.
8, circuit board holding device as claimed in claim 7 is characterized in that, described shell fragment is a pair of, and is mutually symmetrical.
9, as claim 7 or 8 described circuit board holding devices, it is characterized in that, have first alcove and second alcove on the described moving meter, form the elastic portion of bending on the described shell fragment, described first alcove of described moving meter mat, second alcove and elastic portion are limited in release position or the make position.
As claim 7 or 8 described circuit board holding devices, it is characterized in that 10, described extending column forms groove, form pin portion on the described shell fragment with the direct interference engagement of described groove.
11, circuit board holding device as claimed in claim 10 is characterized in that, the direct and described groove interference engagement of described pin portion's mat hangnail.
12, as claim 7 or 8 described circuit board holding devices, it is characterized in that described shell fragment comprises that a base portion, connects towards the pin portion, that described extending column extends with base portion and is connected with base portion towards opposite at described pin portion's bearing of trend and be connected the elastic portion and that extends outwardly on the longitudinally and have a bending with the outward extending guidance part of an angle tilt, with base portion and be connected with described elastic portion and the coplanar afterbody of described base portion.
13, circuit board holding device as claimed in claim 1 is characterized in that, described extending column forms the sliding tray that moves for described moving meter between release position and make position.
14, circuit board holding device as claimed in claim 1, it is characterized in that, described extending column forms first projection and second projection, form clamping block on the described moving meter, described clamping block and described first projection and second projection connect, and prevent that described moving meter from deviating from from described extending column.
15, circuit board holding device as claimed in claim 1 is characterized in that, described extending column forms a space, is formed with on the described moving meter and makes motion block, and both limit described moving meter jointly and are arranged in release position or make position.
16, circuit board holding device as claimed in claim 1 is characterized in that, described extending column is convexly equipped with out a stopper section with angle of inclination, forms a stop surface that tilts on the described moving meter, and both limit described moving meter jointly and are arranged in the release position.
17, circuit board holding device as claimed in claim 1 is characterized in that, is formed with a pair of grip block that extends and clamp the circuit board two relative side on the described extending column inwardly.
18, circuit board holding device as claimed in claim 1 is characterized in that, described holding unit comprises that also one is fixed on fixture on the motherboard with described circuit board holding device.
19, circuit board holding device as claimed in claim 18, it is characterized in that, described fixture comprises that a mating holes and has the screw that cooperates of internal thread, and described mating holes comprises that a section is first perforation of regular hexagon, second perforation that one section is rounded and internal diameter is littler than described first perforation, and a plurality of salient points that are positioned at described first perforation and the second perforation connection, described cooperation screw comprises that a section is first auxiliary section of regular hexagon, one is connected with first auxiliary section and section is rounded and have second auxiliary section of less external diameter, one is connected with described second auxiliary section and external diameter is the joint-cutting of cone shape the 3rd auxiliary section and many described the 3rd auxiliary section strains of confession, described first auxiliary section more greatly and roughly, the common formation one in second auxiliary section and the 3rd auxiliary section has the screw hole of internal thread.
20, a kind of circuit board holding device, fixing relevant circuit board, described circuit board are formed with a plurality of circuit liners of arranging along longitudinally on a lateral margin, and described a plurality of circuit liner mat one arrangements of electric connection is electrically connected with interlock circuit on the motherboard; It is characterized in that described circuit board holding device comprises that one roughly is microscler body, is formed with the room of accommodating relevant arrangements of electric connection on it; At least one extending column that is positioned at described body longitudinally one end extends towards a direction from body; Described extending column forms a pair of grip block that extends and clamp the circuit board two relative side inwardly.
21, circuit board holding device as claimed in claim 20 is characterized in that, described holding unit comprises a pair of described body longitudinally two ends that are positioned at, and from the extended in the same direction extending column of described body.
22, as claim 20 or 21 described circuit board holding devices, it is characterized in that described extending column vertically extends from described body.
As claim 20 or 21 described circuit board holding devices, it is characterized in that 23, described holding unit comprises that also one directly is fixed on described circuit board holding device the fixture on the motherboard.
24, circuit board holding device as claimed in claim 23, it is characterized in that, described fixture comprises that a mating holes and has the screw that cooperates of internal thread, described mating holes comprises that a section is first perforation of regular hexagon, one section is rounded and internal diameter is littler than described first perforation second perforation and a plurality of salient point that is positioned at described first perforation and the second perforation connection, described cooperation screw comprises that a section is first auxiliary section of regular hexagon, one is connected with first auxiliary section and section is rounded and have second auxiliary section of less external diameter, one is connected with described second auxiliary section and external diameter is the joint-cutting of cone shape the 3rd auxiliary section and many described the 3rd auxiliary section strains of confession, described first auxiliary section more greatly and roughly, the common formation one in second auxiliary section and the 3rd auxiliary section has the screw hole of internal thread.
25, a kind of fixture comprises a mating holes; One has the cooperation screw of internal thread; It is characterized in that, described mating holes comprises that a section is first perforation of regular hexagon, one section is rounded and internal diameter is littler than described first perforation second perforation and a plurality of salient point that is positioned at described first perforation and the second perforation connection, described cooperation screw comprises that a section is first auxiliary section of regular hexagon, one is connected with described first auxiliary section and section is rounded and second auxiliary section and with less external diameter is connected with described second auxiliary section and external diameter is cone shape the 3rd auxiliary section more greatly and roughly, described first auxiliary section, the common formation one in second auxiliary section and the 3rd auxiliary section has the screw hole of internal thread.
26, circuit board holding device as claimed in claim 25 is characterized in that, forms many joint-cuttings that allow strain on described the 3rd auxiliary section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97102592A CN1079596C (en) | 1997-03-07 | 1997-03-07 | Fixing device for circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97102592A CN1079596C (en) | 1997-03-07 | 1997-03-07 | Fixing device for circuit board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1193205A true CN1193205A (en) | 1998-09-16 |
| CN1079596C CN1079596C (en) | 2002-02-20 |
Family
ID=5166343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97102592A Expired - Lifetime CN1079596C (en) | 1997-03-07 | 1997-03-07 | Fixing device for circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1079596C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102455372A (en) * | 2010-10-28 | 2012-05-16 | 鸿富锦精密工业（深圳）有限公司 | Bracket for testing circuit board |
| CN111541068A (en) * | 2020-05-26 | 2020-08-14 | 吴昌彩 | Slot structure capable of avoiding abrasion based on computer hardware plugging |
| DE102021206763A1 (en) | 2021-06-29 | 2022-12-29 | Yamaichi Electronics Deutschland Gmbh | Printed circuit board holder with locking device, use of a printed circuit board holder for fixing a printed circuit board to a base printed circuit board, system comprising a plurality of printed circuit board holders and a plurality of printed circuit boards, and method for locking or unlocking a printed circuit board in a printed circuit board holder |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01175180A (en) * | 1987-12-28 | 1989-07-11 | Yamaichi Electric Mfg Co Ltd | Connector for wiring substrate |
| US4850891A (en) * | 1988-04-04 | 1989-07-25 | Augat Inc. | Memory module socket |
| US5013264A (en) * | 1989-09-25 | 1991-05-07 | Robinson Nugent, Inc. | Edge card connector having preloaded contacts |
| US5211571A (en) * | 1990-02-23 | 1993-05-18 | Hirose Electric Co., Ltd. | Substrate connector |
-
1997
- 1997-03-07 CN CN97102592A patent/CN1079596C/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102455372A (en) * | 2010-10-28 | 2012-05-16 | 鸿富锦精密工业（深圳）有限公司 | Bracket for testing circuit board |
| CN111541068A (en) * | 2020-05-26 | 2020-08-14 | 吴昌彩 | Slot structure capable of avoiding abrasion based on computer hardware plugging |
| DE102021206763A1 (en) | 2021-06-29 | 2022-12-29 | Yamaichi Electronics Deutschland Gmbh | Printed circuit board holder with locking device, use of a printed circuit board holder for fixing a printed circuit board to a base printed circuit board, system comprising a plurality of printed circuit board holders and a plurality of printed circuit boards, and method for locking or unlocking a printed circuit board in a printed circuit board holder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1079596C (en) | 2002-02-20 |
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