CN101725605B - Quick positioning screw - Google Patents
Quick positioning screw Download PDFInfo
- Publication number
- CN101725605B CN101725605B CN2008101712597A CN200810171259A CN101725605B CN 101725605 B CN101725605 B CN 101725605B CN 2008101712597 A CN2008101712597 A CN 2008101712597A CN 200810171259 A CN200810171259 A CN 200810171259A CN 101725605 B CN101725605 B CN 101725605B
- Authority
- CN
- China
- Prior art keywords
- outer sleeve
- ring
- positioning screw
- butt muff
- quick positioning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000012856 packing Methods 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 8
- 239000006071 cream Substances 0.000 claims description 8
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 7
- 239000002699 waste material Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 description 9
- 210000001503 joint Anatomy 0.000 description 6
- 238000012545 processing Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 230000008034 disappearance Effects 0.000 description 4
- ZWAOHEXOSAUJHY-ZIYNGMLESA-N doxifluridine Chemical compound O[C@@H]1[C@H](O)[C@@H](C)O[C@H]1N1C(=O)NC(=O)C(F)=C1 ZWAOHEXOSAUJHY-ZIYNGMLESA-N 0.000 description 4
- 229950005454 doxifluridine Drugs 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 4
- 239000000806 elastomer Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 231100000004 severe toxicity Toxicity 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
- F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
- F16B5/0208—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread using panel fasteners, i.e. permanent attachments allowing for quick assembly
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention discloses a quick positioning screw, which comprises an outer sleeve combining a screwing element and an elastic element and a butt sleeve, wherein the inner circular wall of the outer sleeve is convexly provided with an inner convex ring, and is provided with a positioning part butted and combined with an annular convex part on an outer annular surface of the butt sleeve close to the position of the inner convex ring; the positioning part and the annular convex part are in a simple combination state; when the outer sleeve is pulled outwards, the positioning part and the butt part of the butt sleeve are in separated states; the outer sleeve, the screwing element and the elastic element are in movable opposite locking states in use; and by using the combination mode of internal structural configurations of the outer sleeve and the butt sleeve, simple assembly and disassembly and firm fastening can be provided, and the problems that wastes are produced and fall to the outside are avoided.
Description
Technical field
The present invention relates to a kind of screw, by the configuration relation that combines of internal structure, reach simple assembly and disassembling, fasten firm and avoid waste material to produce and the quick positioning screw that drops out between the outer sleeve that refers to quick positioning screw especially and the butt muff.
Background technique
The stacked interlocking of plate and plate, can have living space and fill a part utilization that is used to and reaches stacked attachment techniques, wherein with regard to regard to the power plant or speed regulating device of machine tool, in the time of maybe must adjusting factors such as start speed when the board fault, the plate of one movable dismounting is set on all can the enclosure location with the power plant of machine tool or speed regulating device, and the orientation type of the plate of general movable dismounting and machine tool, all be to rely on plural bolting element directly sealed fixing, wherein, above-mentioned bolting element is often because of user's carelessness, when unloading lower plate, make the bolting element loss of dropping because of do not have linking effect.
Therefore, promptly there is the relevant dealer of the industry be engaged in to utilize in conjunction with screw rod B, the cap bag A of elastomer C and fixed base D collocation is formed and is difficult for the positioning device (as shown in Figure 8) that drops and lose, its positioning device can manually pickup mode, pick up cap bag A and aim at plate E perforation E1 with fixed base D front end and insert, going up tin cream E2 for the welding ring D1 wall of fixed base D with perforation E1 welds fixing, reach fixed base D together with screw rod B, elastomer C is fixed on and prevents to drop loss on the plate E, yet the artificial pickup modes of emplacement of this kind comparatively bothers, and labor intensive and do not meet working efficiency, therefore general dealer has often got cap bag A in automated mechanical pickup mode, and fixed base D front end is aimed at plate E perforation E1 insert, install and rock accurately contraposition for fear of fixed base D, make temporary transient fixed structure so can design the collar F of Furtulon material between general fixed base D and cap bag A, when the collar F of installing Furtulon material, squeeze firmly in fixed base D front end circular hole, and packing support outside screw rod B, do spacing fixing, assemble among the plate E perforation E1 and make screw rod B can steadily be fixed on accurately to be installed on the fixed base D together with cap bag A, yet, the existing positioning device of this kind is to have the following perfect disappearance of not attaining: when positioning device is being crossed the welding of tin stove on the plate E after, for making screw rod B, elastomer C and cap bag A can be movable on plate E uses the lock state, general cap bag A and the screw rod B of can rotating makes the collar F of Furtulon material be subjected to turn and breaks away from, and drop out to fixed base D circular hole and plate E perforation E1, at this moment, the described Furtulon collar F that contains severe toxicity and carcinogenic composition can be scattered in the external environment, the danger that causes environmental pollution and personnel's skin to touch, simultaneously the existing positioning device of this kind is to break away from the is olation waste material that drops out, on subsequent treatment, then must again this waste material be put in order in addition and collect and put, cause and use the disappearance that goes up trouble and stock buildup space.
Therefore, how to solve existing disappearance, be the direction place of being engaged in this journey improvement that the dealer desires most ardently with not enough.
So the inventor is to collect related data because above-mentioned disappearance, via assessing in many ways and consider, and to be engaged in the many years of experience in the industry accumulation, via constantly studying and revising, the beginning is designed the patent of invention of this kind quick positioning screw.
Summary of the invention
At the deficiencies in the prior art, the objective of the invention is to: a kind of quick positioning screw is provided, simple assembly and disassembling can be provided, fastens firm fixed effect, and the problem generation that can avoid waste material to produce and drop outside.
For achieving the above object, the technical solution used in the present invention is:
A kind of quick positioning screw is characterized in that: includes outer sleeve, bolting element, elastic element and butt muff and forms, wherein:
Described outer sleeve is to convex with internal projecting ring on the inner round wall face, and is provided with the positioning part near the internal projecting ring position in the outer sleeve;
Described bolting element packing is in outer sleeve, and bolting element is stretched towards the outer sleeve extension and passed the shaft that is spirally connected;
Described elastic element cover is set on the interior shaft that is spirally connected of outer sleeve, and a side supports on outer sleeve internal projecting ring wall;
Described butt muff is set in outside the interior elastic element of outer sleeve, and convex with the internal projecting ring that supports the elastic element opposite side on the butt muff inner round wall face, on the butt muff outer ring surface, convex with corresponding positioning part respectively and do the spacing end-to-end joint part of blocking, and the ring protuberance of corresponding default plate through-hole position contraposition combination.
Compared with prior art, the beneficial effect that has of the present invention is:
(1) the present invention utilizes outer sleeve internal projecting ring position to be provided with the positioning part that combines with end-to-end joint part butt joint on the butt muff outer ring surface, when outer sleeve is pulled outwardly out, its positioning part then can be disengaged position with the end-to-end joint part and use for quick positioning screw, utilize outer sleeve to concern with this and reach temporary the combination, can have simple assembly and disassembling, fasten firm and prevent that any waste material from taking place from the problem that quick positioning screw drops out with the assembly of butt muff internal structure.
(2) the present invention utilizes the structural design of the butt muff of quick positioning screw, ring protuberance wall directly supports with tin cream around the first plate open-work and pastes on can its outer ring surface, after carrying out weld job, reach automatic production, assembling, yield and quality precision accurately and the effect of increasing work efficiency.
Description of drawings
Fig. 1 is the three-dimensional exploded view of preferred embodiment of the present invention;
Fig. 2 is the side cutaway view of the present invention when assembling;
Fig. 3 is the stereo appearance figure after the present invention processes;
Fig. 4 is the side cutaway view of the present invention when using;
Fig. 5 is the side cutaway view after the present invention uses;
Fig. 6 is the side cutaway view of another preferred embodiment of the present invention;
Fig. 7 is the present invention's side cutaway view of a preferred embodiment again;
Fig. 8 is the side cutaway view of existing assembled state.
Component symbol explanation: 1-outer sleeve; The 10-perforation; The 131-ring groove; The 11-internal projecting ring; 132-annular salient point; 12-tube wall 14-groove; The 13-positioning part; The 2-bolting element; 21-turn head end; 221-interferes ring gear; The 211-groove; The 222-screw thread that is spirally connected; The 22-shaft that is spirally connected; The 3-elastic element; The 4-butt muff; The 40-penetration hole; The 421-abutment element; The 41-internal projecting ring; 422-annular shrinkage pool; The 42-end-to-end joint part; 43-encircles protuberance; 5-first plate; The 51-open-work; The 52-tin cream; 6-second plate; The 61-screw; The A-cap bag; The B-screw rod; The C-elastomer; The D-fixed base; The D1-welding ring; The E-plate; E1-perforation E2-tin cream; The F-collar.
Embodiment
For making purpose of the present invention, shape, structure, device, feature and effect thereof further understanding and understanding, cooperate diagram for embodiment now, be described in detail as follows.
See also shown in Figure 1, it is the three-dimensional exploded view of preferred embodiment of the present invention, find out that by knowing among the figure quick positioning screw of the present invention is formed by including outer sleeve 1, bolting element 2, elastic element 3 and butt muff 4, describe in detail with regard to the structure of this case now as after; Wherein:
Described outer sleeve 1 is to be formed with perforation 10 in the hollow pipe shaft, and convex with internal projecting ring 11 on the outer sleeve 1 inner round wall face, and be formed with the processing tube wall 12 thick than thin-walled at outer sleeve 1 front end pipe flange, in outer sleeve 1, be provided with positioning part 13 again near internal projecting ring 11 positions.
Described bolting element 2 has the turn head end 21 that is positioned in the outer sleeve 1 respectively, and the shaft 22 that is spirally connected that passes outside the internal projecting ring 11 is extended on turn head end 21 surfaces, and be formed with the interference ring gear 221 of packing on internal projecting ring 11 on the shaft 22 head end outer ring surfaces that are spirally connected, and be formed with the screw thread 222 that is spirally connected that can be exposed to outside outer sleeve 1 perforation 10 on the terminal outer ring surface.
Described elastic element 3 can be elastic compression spring 3, and elastic element 3 is set in bolting element 2 and is positioned on the shaft 22 that is spirally connected of outer sleeve 1, and elastic element 3 one ends support on outer sleeve 1 internal projecting ring 11.
Described butt muff 4 is to be formed with to be socketed on be spirally connected penetration hole 40 outside shaft 22 and the elastic element 3 of bolting element 2 in the hollow pipe shaft, and convex with the internal projecting ring 41 that supports elastic element 3 the other ends on the butt muff 4 inner round wall faces, do the spacing end-to-end joint part of blocking 42 and convex with corresponding outer sleeve 1 positioning part 13 on butt muff 4 outer ring surfaces, and convex with ring protuberance 43 again near outer sleeve 1 processing tube wall 12 positions on butt muff 4 outer ring surfaces.
See also shown in Figure 2, be the side cutaway view of the present invention when assembling, rely on above-mentioned member when the group structure, for bolting element 2 being passed in outer sleeve 1 perforation 10 with the shaft 22 that is spirally connected earlier, make and interfere ring gear 221 packings on the shaft 22 that is spirally connected at internal projecting ring 11 walls, make outer sleeve 1 and the bolting element 2 formula interlock that becomes one, after just elastic element 3 alignment sleeve can be connected to bolting element 2 and be spirally connected on the shaft 22, continuing is inserted in butt muff 4 in the perforation 10 of outer sleeve 1 with a side end-to-end joint part 42, elastic element 3 two ends are resisted against respectively on outer sleeve 1 internal projecting ring 11 and butt muff 4 internal projecting rings 41, preferred embodiment of the present invention this moment is can be in conjunction with a butt joint element 421 (as C type clasp or packing ring) on butt muff 4 end-to-end joint parts 42, and positioning part 13 structural design modes in the outer sleeve 1, then corresponding being designed to for the spacing ring groove 131 of abutment element 421 blockings, reach butt muff 4 with this and temporarily be socketed on location in outer sleeve 1 perforation 10, can finish the half-finished assembled configuration of quick positioning screw of the present invention.
Rely on last, please continue to consult Fig. 2, shown in Figure 3, be assembled into half-finished member and must earlier finish the spendable finished product state of quick positioning screw when above-mentioned through processing, wherein said quick positioning screw is after processing, the processing tube wall 12 that is positioned at annular straightening on the outer sleeve 1 can bend inwards and support on the outer shroud wall of 43 of the end-to-end joint part 42 of butt muff 4 and ring protuberances, do spacing, so, just, can finish whole quick positioning screw and be processed into finished product state.
See also Fig. 4, shown in Figure 5, be the present invention when using side cutaway view and use after side cutaway view, the quick positioning screw that relies on above-mentioned finished product in use, for can mechanical pickup mode having been got by outer sleeve 1, and move to butt muff 4 side pipe shafts in the open-work 51 of aligning first plate 5, make ring protuberance 43 walls of butt muff 4 support to be attached on the tin cream 52 around the open-work 51, after carrying out weld job, ring protuberance 43 walls then are combined into one with the tin cream 52 and first plate 5, afterwards, just holding outer sleeve 1 outer ring surface with finger outwards draws back, make butt muff 4 end-to-end joint parts 42 and the positioning part 13 of outer sleeve 1 break away from, allow outer sleeve 1, bolting element 2 and elastic element 3 present movable to the lock state, so, just first plate 5 can be covered on second plate 6, and make in the screw 61 of bolting element 2 contrapositions second plate 6 of quick positioning screw on first plate 5, again with push and rotary sleeve pipe 1 be spirally connected screw thread 222 and the screw 61 of bolting element 2 corresponding be spirally connected fixing, reaching first plate 5 covers be consolidation location on second plate 6, the effect of not rocking constitutes the user mode of quick positioning screw of the present invention with this.
And desire is when breaking away from above-mentioned first plate 5 outside second plate 6, only need to break away from mutually with screw 61 by the screw thread 222 that is spirally connected of backward rotation outer sleeve 1 with bolting element 2, just can and break away from outside second plate 6 for 5 unlatchings of first plate, have simple assembly and disassembling, operate easy effect, and quick positioning screw of the present invention can on outer sleeve 1 outer ring surface, be provided with plural number friction and the application of force easily groove 14 rotate for finger, and can be groove 211 structures that tool hand tools (as cross driver) is pegged graft on the bolting element 2 turn head ends 21.
In addition with, above-mentioned explanation preferred embodiment of the present invention is can be in conjunction with a butt joint element 421 (as C type clasp) on butt muff 4 end-to-end joint parts 42, come to come corresponding blocking spacing with outer sleeve 1 interior positioning part 13 set ring groove 131 configurations, yet the present invention only limits to this kind by way of example, and can further will be arranged to annular shrinkage pool 422 modes on butt muff 4 end-to-end joint parts 42, come with outer sleeve 1 on the positioning part 13 annular salient point 132 configurations that form corresponding blocking spacing (as shown in Figure 6); Moreover, quick positioning screw of the present invention also can further directly be designed to dwindle gradually positioning part 13 structures of internal diameter circular hole on the inner round wall face near internal projecting ring 11 in outer sleeve 1, bulge loop end-to-end joint part 42 outer circle diameters then can corresponding positioning part 13 internal diameter circular holes and with the packing orientation type on butt muff 4 outer ring surfaces, reach butt muff 4 temporary outer sleeve 1 inside (as shown in Figure 7) that are fixed on, simple and easy modification of this kind and equivalent structure change, to reach the effect of same equivalent, all should in like manner be included in the claim of the present invention, close and give Chen Ming.
So, the present invention is combined with bolting element 2 for being primarily aimed at, the outer sleeve 1 of elastic element 3 combines last with butt muff 4 butt joints, utilize outer sleeve 1 to concern and reach temporary the combination with the internal structure assembly of butt muff 4, wherein be on outer sleeve 1 inner round wall face, to convex with internal projecting ring 11, and be provided with the positioning part 13 that combines with ring protuberance 43 butt joints on butt muff 4 outer ring surfaces near internal projecting ring 11 positions, be simple and easy bonding state with positioning part 13 and ring protuberance 43, in the time of can providing outer sleeve 1 outwards to draw back, its positioning part 13 can present disengaged position with the end-to-end joint part 42 of butt muff 4, for outer sleeve 1, bolting element 2 and elastic element 3 present activity to be used the lock state, with this combination of utilizing outer sleeve 1 and butt muff 4 structural arrangements own, can provide simple assembly and disassembling, fasten firm and prevent that the troublesome problem that any waste material drops out from quick positioning screw from taking place.
Be with, quick positioning screw of the present invention is for improving existing key problem in technology:
(1) the present invention utilizes outer sleeve 1 internal projecting ring 11 positions to be provided with the positioning part 13 that combines with end-to-end joint part 42 butt joints on butt muff 4 outer ring surfaces, when outer sleeve 1 outwards draws back, 13 of its positioning parts can be disengaged position with end-to-end joint part 42 and use for quick positioning screw, utilize outer sleeve 1 to concern with this and reach temporary the combination, can have simple assembly and disassembling, fasten firm and prevent that any waste material from taking place from the problem that quick positioning screw drops out with the assembly of butt muff 4 internal structures.
(2) the present invention utilizes the structural design of the butt muff 4 of quick positioning screw, ring protuberance 43 walls directly support with tin creams 52 around first plate, 5 open-works 51 and paste on can its outer ring surface, after carrying out weld job, reach automatic production, assembling, yield and quality precision accurately and the effect of increasing work efficiency.
More than explanation is just illustrative for the purpose of the present invention; and nonrestrictive, those of ordinary skills understand, under the situation of the spirit and scope that do not break away from claim and limited; can make many modifications, variation or equivalence, but all will fall within protection scope of the present invention.
Claims (8)
1. quick positioning screw is characterized in that: includes outer sleeve, bolting element, elastic element and butt muff and forms, wherein:
Described outer sleeve is to convex with internal projecting ring on the inner round wall face, and is provided with the positioning part near the internal projecting ring position in the outer sleeve;
Described bolting element packing is in outer sleeve, and bolting element is stretched towards the outer sleeve extension and passed the shaft that is spirally connected;
Described elastic element cover is set on the interior shaft that is spirally connected of outer sleeve, and a side supports on outer sleeve internal projecting ring wall;
Described butt muff is set in outside the interior elastic element of outer sleeve, and convex with the internal projecting ring that supports the elastic element opposite side on the butt muff inner round wall face, on the butt muff outer ring surface, convex with corresponding positioning part respectively and do the spacing end-to-end joint part of blocking, and the ring protuberance of corresponding default plate through-hole position contraposition combination.
2. quick positioning screw according to claim 1 is characterized in that: the positioning part of described outer sleeve is designed to circular hole footpath in the gradually-reducing shape at the inner round wall face, for packing location, butt muff end-to-end joint part.
3. quick positioning screw according to claim 1, it is characterized in that: be formed with the interference ring gear of packing on internal projecting ring on the shaft outer ring surface that is spirally connected of described bolting element, and be formed with the screw thread that is spirally connected that can be exposed to outside the outer sleeve on the terminal outer ring surface of the shaft that is spirally connected.
4. quick positioning screw according to claim 1 is characterized in that: the end-to-end joint part of described butt muff is combined with the outer sleeve positioning part and makes the spacing abutment element of blocking.
5. quick positioning screw according to claim 4 is characterized in that: described positioning part is the ring groove configuration, combines with abutment element.
6. quick positioning screw according to claim 5 is characterized in that: described abutment element is C type clasp or packing ring.
7. quick positioning screw according to claim 1 is characterized in that: the end-to-end joint part of described butt muff is provided with and forms annular salient point with the positioning part and make the spacing annular shrinkage pool of blocking.
8. quick positioning screw according to claim 1 is characterized in that: the ring protuberance wall of described butt muff supports and is attached on the default plate open-work tin cream on every side, and welds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101712597A CN101725605B (en) | 2008-10-30 | 2008-10-30 | Quick positioning screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101712597A CN101725605B (en) | 2008-10-30 | 2008-10-30 | Quick positioning screw |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101725605A CN101725605A (en) | 2010-06-09 |
| CN101725605B true CN101725605B (en) | 2011-06-29 |
Family
ID=42447009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101712597A Expired - Fee Related CN101725605B (en) | 2008-10-30 | 2008-10-30 | Quick positioning screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101725605B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103775463B (en) * | 2012-10-17 | 2016-10-05 | 王鼎瑞 | Floating type fastening member and packaging structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2558803Y (en) * | 2002-07-23 | 2003-07-02 | 德迈科技有限公司 | Plate-to-plate locating device |
| CN1508451A (en) * | 2002-12-18 | 2004-06-30 | �Ƹ��� | Low contour-profile fastening screw |
| CN2639596Y (en) * | 2003-07-23 | 2004-09-08 | 德迈科技有限公司 | Fastening device for laminated plate |
| EP1972799A1 (en) * | 2007-03-21 | 2008-09-24 | Joker Industrial Co., Ltd. | Adjusting screw for door frames and window casings |
-
2008
- 2008-10-30 CN CN2008101712597A patent/CN101725605B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2558803Y (en) * | 2002-07-23 | 2003-07-02 | 德迈科技有限公司 | Plate-to-plate locating device |
| CN1508451A (en) * | 2002-12-18 | 2004-06-30 | �Ƹ��� | Low contour-profile fastening screw |
| CN2639596Y (en) * | 2003-07-23 | 2004-09-08 | 德迈科技有限公司 | Fastening device for laminated plate |
| EP1972799A1 (en) * | 2007-03-21 | 2008-09-24 | Joker Industrial Co., Ltd. | Adjusting screw for door frames and window casings |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101725605A (en) | 2010-06-09 |
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