CN203145434U - Wedging type cross fastener and sliding sleeve thereof - Google Patents
Wedging type cross fastener and sliding sleeve thereof Download PDFInfo
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- CN203145434U CN203145434U CN 201320149578 CN201320149578U CN203145434U CN 203145434 U CN203145434 U CN 203145434U CN 201320149578 CN201320149578 CN 201320149578 CN 201320149578 U CN201320149578 U CN 201320149578U CN 203145434 U CN203145434 U CN 203145434U
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- slide block
- sliding sleeve
- scaffold
- swelling slide
- angled intersection
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Abstract
The utility model relates to a scaffold fastener, in particular to a wedging type cross fastener and a sliding sleeve thereof. The wedging type cross fastener comprises the sliding sleeve which is used for being sleeved on a scaffold base pipe in a sliding mode, two hinging bases which are used for being respectively hinged to an assembly press cover and a hasp are arranged on one side of the sliding sleeve, the two hinging bases are relatively arranged in the axial direction of the sliding sleeve, a containing port used for containing a scaffold cross pipe is defined by the upper portions of the two hinging bases in an enclosed mode, and an expansion block installation groove is defined by the lower portions of the two hinging bases in an enclosed mode. An opening which is through inward and outward is formed at a position, between the two hinging bases, of the sleeve wall of the sliding sleeve, a pressing sliding block used for pressing the scaffold base pipe is assembled inside the opening, and an expansion sliding block used for being wedged between the scaffold cross pipe and a compression sliding block is assembled inside the expansion block installation groove. When the fastener is used, only one press cover needs to be operated, then the expansion sliding block is knocked, operation is convenient and rapid, and therefore operation convenience of the fastener is improved. Further more, safety and operation convenience of the cross fastener are improved.
Description
Technical field
The utility model relates to scaffold clasp, particularly relates to a kind of wedging type right-angled intersection fastener and sliding sleeve thereof.
Background technology
Mechanization, automation and rapid continuous development along with building field, building buckle is no longer strange concerning us at present, almost can both see building buckle miscellaneous in big and small any building site, its by same-action not can be divided into right-angled intersection fastener (being cruciform fastening for falsework, connection fastener or right-angle coupler again), to clasp and rotary buckle, wherein the right-angled intersection fastener is used for two steel pipes (parent tube and cross pipe) of the orthogonal intersection of scaffold are locked together.
Present right-angled intersection fastener comprises pedestal mostly, be hinged on the gland on the pedestal and be hinged on connecting bolt on the pedestal, wherein the pedestal inboard has the cambered surface adaptive with the outline of vertical steel pipe, gland is divided into upper press cover and side pressure lid and they and is equipped with the bayonet socket of U-shaped away from an end of jointed shaft, connecting bolt and gland are corresponding and be oppositely arranged with corresponding gland one by one, during use, cooperation that can be by side pressure lid and corresponding connecting bolt with the pedestal banding on vertical steel pipe, fix horizontal steel pipe by upper press cover and cooperating of corresponding connecting bolt then, thereby two steel pipes that cross one another of scaffold are fixed together.From its operating principle as can be known, above-mentioned cross buckle needs to operate at least respectively two glands in use, it is upper press cover and side pressure lid, so inefficiency, in addition, because the gland pedestal of above-mentioned fastener is to fix by connecting bolt when work, this has further reduced staff's operating efficiency, increased staff's labour intensity, it should be noted that especially the working environment of fastener is mostly relatively more abominable, in case connecting bolt gets rusty or is stained, then can make troubles further for the dismounting of fastener, in the application life that this has in fact also influenced fastener, increase the maintenance cost to it.
The problem of the dismounting inconvenience that brings for the connecting bolt that solves by fastener, application number be 2012202780806 and application number be that 932388701 Chinese patent discloses two kinds of scaffold clasps that different voussoirs is fixing respectively, the two all is to come the swelling stationary gland by the form that voussoir is set between the nut of the lateral surface of fastener gland and connecting bolt, in such cases, in fact connecting bolt has formed a hasp, only need in use it is ploughed under in the bayonet socket of corresponding gland and with the voussoir swelling and get final product, thereby just exempted the nut of connecting bolt screwed and unscrewed operation, brought benefit for the raising of efficiency of construction to a certain extent, but above-mentioned fastener still needs to operate respectively two cover glands, connecting bolt and corresponding voussoir, still there is unhandy problem, in addition, because voussoir is between the gland of gland and connecting bolt, therefore very easily come off owing to bump by mistake on the one hand, there is certain potential safety hazard, also makes losing of voussoir become unavoidable problem on the other hand.
Summary of the invention
The purpose of this utility model is to provide a kind of easy to operate wedging type right-angled intersection fastener, with the security performance of further raising cross buckle.
Simultaneously, the purpose of this utility model also is to provide the sliding sleeve of above-mentioned wedging type right-angled intersection fastener.
In order to address the above problem, wedging type right-angled intersection fastener of the present utility model is by the following technical solutions: wedging type right-angled intersection fastener, comprise for the sliding sleeve that slidably is enclosed within on the scaffold parent tube, one side of sliding sleeve is provided with two free bearings that are used for difference hinge mounted gland and hasp, these two free bearings are along the socket that surrounds between the axial positioned opposite of sliding sleeve and the top of the two for ccontaining scaffold cross pipe, surround the piece mounting groove that expands between the bottom of the two, position on the jacket wall of sliding sleeve between two free bearings is provided with inside and outside penetrating opening, be equipped with in the opening be used to the pressed slider that compresses the scaffold parent tube, be equipped with for the swelling slide block of wedging between scaffold cross pipe and pressed slider in the piece mounting groove that expands.
One side of the slide block of swelling dorsad of pressed slider has the cambered surface adaptive with corresponding scaffold parent tube.
Expand the piece mounting groove groove bottom for along on the direction of advance of swelling slide block when the wedging gradually to the inclined-plane of the lopsidedness that deviates from the swelling slide block, described cambered surface is made of the medial surface of arc-shaped slot set on the pressed slider, is positioned at of the place ahead in the direction of advance of swelling slide block during in wedging in two cell walls of described arc-shaped slot and is lower than another.
One side of pressed slider is provided with the retaining cap, and the retaining cap is arranged in the piece mounting groove that expands, the groove bottom of the piece mounting groove that expands with keep off that block cooperates between the cap.
Being assemblied in the piece mounting groove that expands of described swelling slide block anticreep.
One in the cell wall of bloated piece mounting groove and the respective side walls of swelling slide block is provided with guide groove, another is provided with the sliver corresponding with guide groove, described guide groove and sliver matched in clearance also stop the swelling slide block to be deviate from from the notch of the piece mounting groove that expands, and the bulge-structure that the swelling slide block is established by its place, two ends cooperates with the sliding sleeve anticreep on activity direction.
Sliver and guide groove all on the direction of advance when the wedging of swelling slide block gradually notch or the bottom land to the piece mounting groove that expands tilt, the incline direction of the two is identical.
Have the cambered surface adaptive with the outline of the relevant position of scaffold parent tube on one side of the described opening dorsad of swelling slide block.
Described swelling slide block is that voussoir and its are fitted towards a side of pressed slider and the respective side of pressed slider.
Described swelling slide block is provided with the scale that is used to indicate its assembling degree of depth.
Side towards described opening of swelling slide block is provided with anti-skidding striped, and the bearing of trend of anti-skidding striped is identical with the glide direction of swelling slide block, pressed slider be provided with the swelling slide block on the striped of anti-skidding striped interlock.
Be hinged be used to the gland that compresses the scaffold cross pipe on one in two free bearings, be hinged with the hasp corresponding with gland on another, described socket is the circular arc adaptive with the outline of scaffold cross pipe, and the medial surface of gland is the arc surface adaptive with the outline of scaffold cross pipe.
Described hasp is T shape button, and gland cooperates with the hasp overlap joint away from the bayonet socket that an end of corresponding free bearing arranges by it.
Described sliding sleeve inboard also is provided with for the groove that wedge block is installed, and this groove is the groove of sliding sleeve on axially.
Sliding sleeve of the present utility model is by the following technical solutions: sliding sleeve, be used for slidably being enclosed within the scaffold parent tube, the one side is provided with two free bearings that are used for difference hinge mounted gland and hasp, these two free bearings are along the socket that surrounds between the axial positioned opposite of sliding sleeve and the top of the two for ccontaining scaffold cross pipe, surround between the bottom of the two for the bloated piece mounting groove that the swelling slide block is installed, the position on the jacket wall of sliding sleeve between two free bearings is provided with inside and outside opening penetrating, that be used for installing pressed slider.
The cell wall of bloated piece mounting groove is provided with for the sliver or the guide groove that stop the swelling slide block to be deviate from from its notch.
When stating wedging type right-angled intersection fastener in the use and scaffolding erecting, can at first distinguish hinge mounted gland and hasp at two free bearings of described sliding sleeve, sliding sleeve is enclosed within on the scaffold parent tube then, sliding over slides on the scaffold parent tube looks for the position by making, after finding desired location, the scaffold cross pipe is radially placed socket place between two free bearings, cooperate with gland after the preliminary locking of scaffold cross pipe by hasp, knock the swelling slide block from the corresponding end of swelling slide block and just can push scaffold parent tube and pressed slider simultaneously, and then realization is to the locking of scaffold parent tube and scaffold cross pipe.At first, owing to be to adopt the mode of swelling slide block swelling to realize the interlocking between parent tube and the cross pipe, when being subjected to the other side's reaction force, it is more and more tighter that the swelling slide block only can become, and scaffold parent tube and scaffold cross pipe are relatively moved, in addition, because the swelling slide block is between scaffold parent tube and scaffold cross pipe, under the barrier effect of scaffold parent tube and scaffold cross pipe, its possibility that is touched down reduces greatly, thereby avoided the accident of fastener loosening, improved the security performance of fastener; Simultaneously, the description of the use by above contacting piece knows that this fastener only need be operated a gland in use, knocks the swelling slide block then and gets final product, and is convenient to operation, thereby has also improved the comfortableness of operation fastener; In sum, this wedging type right-angled intersection fastener has further improved the security performance of cross buckle and the performance of handled easily.
Further, cambered surface on the pressed slider can play the effect of protection scaffold parent tube on the one hand, avoids the compressive strain of scaffold parent tube, also can increase the contact area with the scaffold parent tube on the other hand, guarantees the reliability of combination between the two; It is for convenience to the assembling of swelling slide block that the groove bottom of the piece mounting groove that expands is made as the inclined-plane, in this case, during scaffolding steel pipe in compressing sliding sleeve, the two ends of pressed slider need embed the degree of depth in the opening and be actually and do not wait, therefore, make in two cell walls of described arc-shaped slot when the direction of advance of swelling slide block during in wedging is positioned at of the place ahead and is lower than another, be conducive to realize that the degree of depth that the two ends of pressed slider embed in the opening does not wait, thereby the area that guarantees cambered surface and the applying of scaffold parent tube on the pressed slider reaches maximization; The retaining cap can avoid pressed slider to drop from the inboard of sliding sleeve, thereby plays the effect that prevents that pressed slider from losing to a certain extent; Lose preventing the swelling slide block in the bloated piece mounting groove of being assemblied in of swelling slide block anticreep on the one hand, can cooperate with the retaining cap on the other hand to prevent that pressed slider from losing, also fundamentally stop when the dismounting fastener falling object from high altitude accident appearance of dropping and causing owing to swelling slide block or pressed slider thus; The effect of the cambered surface on the swelling slide block on the effect of cambered surface and the pressed slider is identical, and just the cambered surface on the swelling slide block cooperates with the scaffold cross pipe; Adopt voussoir can relax requirement to the shape of the bloated piece mounting groove in the sliding sleeve as the swelling slide block, make things convenient for the processing to sliding sleeve, swelling slide block and pressed slider keep to have been fitted be the tension force for the swelling slide block to act directly on constantly between pressed slider and the scaffold cross pipe; Scale on the swelling slide block can give the operator with indication, so that whether the operator understands the swelling of swelling slide block, damages scaffolding steel pipe (parent tube or cross pipe) in order to avoid wedged dark; Striped on swelling slide block and the pressed slider can make the two one integrated mass, guarantees that further the two can't swing when mutual jam-packed mutually; The groove of sliding sleeve inboard can be used for the corresponding wedge block of wedging, thereby realizes and the pre-fixing of sliding sleeve.
Description of drawings
Fig. 1 is the use state diagram of the embodiment 1 of wedging type right-angled intersection fastener;
Fig. 2 is first stereogram of the sliding sleeve among Fig. 1;
Fig. 3 is second stereogram of the sliding sleeve among Fig. 1;
Fig. 4 is first stereogram of the swelling slide block among Fig. 1;
Fig. 5 is second stereogram of the swelling slide block among Fig. 1;
Fig. 6 is first stereogram of the roof pressure slide block among Fig. 1;
Fig. 7 is second stereogram of the roof pressure slide block among Fig. 1;
Fig. 8 is the structural representation (removing swelling slide block and roof pressure slide block) of the embodiment 1 of wedging type right-angled intersection fastener;
Fig. 9 is the structural representation of the hasp among Fig. 8;
Figure 10 is the use state diagram of the embodiment 2 of wedging type right-angled intersection fastener;
Figure 11 is the structural representation of the embodiment 1 of sliding sleeve;
Figure 12 is the structural representation of the embodiment 2 of sliding sleeve.
The specific embodiment
The embodiment 1 of wedging type right-angled intersection fastener, shown in Fig. 1-9, comprise sliding sleeve 11, swelling slide block 12 and pressed slider 13, sliding sleeve 11 is used for slidably being enclosed within use scaffold parent tube 14, the one side is provided with two free bearings 15, these two free bearings are arranged along the axial relative spacing of sliding sleeve 11, be hinged with on one of them free bearing be used to the gland 16 that compresses cross pipe, be hinged with the hasp 17 corresponding with gland 16 on another, in the present embodiment, hasp 17 is T shape button, gland 16 cooperates with hasp 17 overlap joints away from the bayonet socket 101 that an end of corresponding free bearing arranges by it, and the medial surface of gland 16 is the arc surface adaptive with the outline of scaffold cross pipe 18, and wherein hasp 17 is prior art with the structure of gland 16, will not give unnecessary details herein.In addition, surround the socket 102(figure dotted line sign part for the cross pipe of ccontaining scaffold between the top of two free bearings), the top of socket 102 is the circular arc adaptive with the outline of scaffold cross pipe 18, meanwhile, surround between the bottom of two free bearings for the bloated piece mounting groove 103(figure dotted line that swelling slide block 12 is installed and indicate part), in the present embodiment, expand piece mounting groove 103 groove bottom for along on the direction of advance of swelling slide block 12 when the wedging gradually to the inclined-plane of the lopsidedness that deviates from swelling slide block 12, position on the jacket wall of sliding sleeve 11 between two free bearings is provided with inside and outside penetrating opening 104, and opening 104 just is positioned on the bottom land of the piece mounting groove 103 that expands.
A side adjacent with swelling slide block 12 of pressed slider 13 is provided with retaining cap 22, retaining cap 22 is arranged in the piece mounting groove 103 that expands, expand piece mounting groove 103 groove bottom with keep off that block cooperates between the cap 22, thereby can prevent that pressed slider 13 from coming off from the inboard of sliding sleeve 11, the lateral surface of retaining cap 22 is provided with the anti-skidding striped corresponding with anti-skidding striped 21 on the swelling slide block 12, and anti-skidding striped and the anti-skidding striped on the swelling slide block 12 on the retaining cap 22 are engaged; In addition, one side of the slide block of swelling dorsad of pressed slider 13 has the cambered surface corresponding with scaffold parent tube 14, described cambered surface is made of the medial surface of arc-shaped slot set on the pressed slider, suppose that herein the direction of advance of swelling slide block when wedging is the place ahead, be to move forward when being its wedging, then in the present embodiment, be positioned at of the place ahead at two cell walls (wall) of swelling slide block in two cell walls of described arc-shaped slot and be lower than another, owing to above mention in (first section), the groove bottom of bloated piece mounting groove is the inclined-plane, and according to the operating principle of this fastener as can be known, fit with the bottom land of bloated piece mounting groove all the time in pressed slider 13 its retaining cap rear end when being pushed by the swelling slide block, its position is almost constant, when the time spent is done in the swelling that is subjected to the swelling slide block, it is to be hinged on the sliding sleeve 11 by the rear end that pressed slider 13 is similar at this moment, therefore if the both sides cell wall of the arc-shaped slot on the pressed slider is contour, then will certainly cause the cell wall at its front end place " to scratch " in the tube wall of scaffold parent tube 14, contact with the line of scaffold parent tube thereby form, this obviously can reduce the adhesion between pressed slider and the scaffold parent tube, two cell walls (wall) at the swelling slide block are positioned at after of the place ahead is lower than another, can effectively increase cambered surface on the pressed slider and the contact area between the scaffold parent tube, increase the adhesion between the two.
The embodiment 2 of wedging type right-angled intersection fastener of the present utility model, as shown in figure 10, the difference of present embodiment and embodiment 1 only is, sliding sleeve also has by its jacket wall radially heaves the protuberance 111 that forms, this protuberance 111 is located with the relative both sides that free bearing is distributed in sliding sleeve, this cross buckle also comprises for the wedge block 112(of the inboard groove that forms of wedging protuberance with fixing corresponding parent tube and can join in addition), wherein the cross section of the protuberance 111 inboard grooves that form takes the shape of the letter U.
In other embodiment of wedging type right-angled intersection fastener, the hasp described in above-described embodiment 1,2 can also be " 7 " font, and in such cases, the described bayonet socket on the gland just can omit; As long as described swelling slide block can play the effect of swelling between parent tube and cross pipe, its concrete shape is unrestricted; In addition, also the piece mounting groove that expands can be set as oat tail groove structure, and make it narrow down gradually, shoal from an end to the other end, then the swelling slide block is set as and is cuboid substantially, but also be from an end to the other end narrow down gradually, the shape of attenuation, prevent that with this swelling slide block is from expanding the ability notch of piece mounting groove and wherein bring out and come off; Sliver and guide groove incline direction can also be on the direction of advance when the wedging of swelling slide block gradually the notch to the piece mounting groove that expands tilt.
The embodiment 1 of sliding sleeve of the present utility model, as shown in figure 11, the structure of the sliding sleeve described in the embodiment 1 of the structure of this sliding sleeve and above-mentioned wedging type right-angled intersection fastener is identical.
The embodiment 2 of sliding sleeve of the present utility model, as shown in figure 12, the structure of the sliding sleeve described in the embodiment 2 of the structure of this sliding sleeve and above-mentioned wedging type right-angled intersection fastener is identical.
Claims (16)
1. wedging type right-angled intersection fastener, it is characterized in that, comprise for the sliding sleeve that slidably is enclosed within on the scaffold parent tube, one side of sliding sleeve is provided with two free bearings that are used for difference hinge mounted gland and hasp, these two free bearings are along the socket that surrounds between the axial positioned opposite of sliding sleeve and the top of the two for ccontaining scaffold cross pipe, surround the piece mounting groove that expands between the bottom of the two, position on the jacket wall of sliding sleeve between two free bearings is provided with inside and outside penetrating opening, be equipped with in the opening be used to the pressed slider that compresses the scaffold parent tube, be equipped with for the swelling slide block of wedging between scaffold cross pipe and pressed slider in the piece mounting groove that expands.
2. wedging type right-angled intersection fastener according to claim 1 is characterized in that, a side of the slide block of swelling dorsad of pressed slider has the cambered surface adaptive with corresponding scaffold parent tube.
3. wedging type right-angled intersection fastener according to claim 2, it is characterized in that, expand the piece mounting groove groove bottom for along on the direction of advance of swelling slide block when the wedging gradually to the inclined-plane of the lopsidedness that deviates from the swelling slide block, described cambered surface is made of the medial surface of arc-shaped slot set on the pressed slider, is positioned at of the place ahead in the direction of advance of swelling slide block during in wedging in two cell walls of described arc-shaped slot and is lower than another.
4. according to claim 1 or 2 or 3 described wedging type right-angled intersection fasteners, it is characterized in that a side of pressed slider is provided with the retaining cap, the retaining cap is arranged in the piece mounting groove that expands, the groove bottom of the piece mounting groove that expands with keep off that block cooperates between the cap.
5. wedging type right-angled intersection fastener according to claim 4 is characterized in that, being assemblied in the piece mounting groove that expands of described swelling slide block anticreep.
6. wedging type right-angled intersection fastener according to claim 5, it is characterized in that, one in the cell wall of bloated piece mounting groove and the respective side walls of swelling slide block is provided with guide groove, another is provided with the sliver corresponding with guide groove, described guide groove and sliver matched in clearance also stop the swelling slide block to be deviate from from the notch of the piece mounting groove that expands, and the bulge-structure that the swelling slide block is established by its place, two ends cooperates with the sliding sleeve anticreep on activity direction.
7. wedging type right-angled intersection fastener according to claim 6 is characterized in that, sliver and guide groove all on the direction of advance when the wedging of swelling slide block gradually notch or the bottom land to the piece mounting groove that expands tilt, the incline direction of the two is identical.
8. according to each the described wedging type right-angled intersection fastener among claim 1-3 and the 5-7, it is characterized in that having the cambered surface adaptive with the outline of the relevant position of scaffold parent tube on the side of the described opening dorsad of swelling slide block.
9. according to each the described wedging type right-angled intersection fastener among claim 1-3 and the 5-7, it is characterized in that described swelling slide block is that voussoir and its are fitted towards a side of pressed slider and the respective side of pressed slider.
10. according to each the described wedging type right-angled intersection fastener among claim 1-3 and the 5-7, it is characterized in that described swelling slide block is provided with the scale that is used to indicate its assembling degree of depth.
11. according to each the described wedging type right-angled intersection fastener among claim 1-3 and the 5-7, it is characterized in that, side towards described opening of swelling slide block is provided with anti-skidding striped, the bearing of trend of anti-skidding striped is identical with the glide direction of swelling slide block, pressed slider be provided with the swelling slide block on the striped of anti-skidding striped interlock.
12. according to each the described wedging type right-angled intersection fastener among claim 1-3 and the 5-7, it is characterized in that, be hinged be used to the gland that compresses the scaffold cross pipe on one in two free bearings, be hinged with the hasp corresponding with gland on another, described socket is the circular arc adaptive with the outline of scaffold cross pipe, and the medial surface of gland is the arc surface adaptive with the outline of scaffold cross pipe.
13. wedging type right-angled intersection fastener according to claim 12 is characterized in that, described hasp is T shape button, and gland cooperates with the hasp overlap joint away from the bayonet socket that an end of corresponding free bearing arranges by it.
14. wedging type right-angled intersection fastener according to claim 1 is characterized in that, described sliding sleeve inboard also is provided with for the groove that wedge block is installed, and this groove is the groove of sliding sleeve on axially.
15. sliding sleeve, it is characterized in that, be used for slidably being enclosed within the scaffold parent tube, the one side is provided with two free bearings that are used for difference hinge mounted gland and hasp, these two free bearings are along the socket that surrounds between the axial positioned opposite of sliding sleeve and the top of the two for ccontaining scaffold cross pipe, surround between the bottom of the two for the bloated piece mounting groove that the swelling slide block is installed, the position on the jacket wall of sliding sleeve between two free bearings is provided with inside and outside opening penetrating, that be used for installing pressed slider.
16. sliding sleeve according to claim 15 is characterized in that, the cell wall of the piece mounting groove that expands is provided with for the sliver or the guide groove that stop the swelling slide block to be deviate from from its notch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320149578 CN203145434U (en) | 2013-03-29 | 2013-03-29 | Wedging type cross fastener and sliding sleeve thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320149578 CN203145434U (en) | 2013-03-29 | 2013-03-29 | Wedging type cross fastener and sliding sleeve thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203145434U true CN203145434U (en) | 2013-08-21 |
Family
ID=48972973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320149578 Expired - Lifetime CN203145434U (en) | 2013-03-29 | 2013-03-29 | Wedging type cross fastener and sliding sleeve thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203145434U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195237A (en) * | 2013-03-29 | 2013-07-10 | 朱新伟 | Wedge-caulking type cross fastener and sliding sleeve thereof |
-
2013
- 2013-03-29 CN CN 201320149578 patent/CN203145434U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195237A (en) * | 2013-03-29 | 2013-07-10 | 朱新伟 | Wedge-caulking type cross fastener and sliding sleeve thereof |
| CN103195237B (en) * | 2013-03-29 | 2015-05-20 | 朱新伟 | Wedge-caulking type cross fastener and sliding sleeve thereof |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130821 Effective date of abandoning: 20150520 |
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| RGAV | Abandon patent right to avoid regrant |