CN204468605U - A kind of elbow joint flexion-extension trainer - Google Patents
A kind of elbow joint flexion-extension trainer Download PDFInfo
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- CN204468605U CN204468605U CN201520093557.4U CN201520093557U CN204468605U CN 204468605 U CN204468605 U CN 204468605U CN 201520093557 U CN201520093557 U CN 201520093557U CN 204468605 U CN204468605 U CN 204468605U
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Abstract
This utility model provides a kind of elbow joint flexion-extension trainer, comprises forearm sheath, bends and stretches switching guide arm, supports cursor slide, motion guide arm, handle, Extension support and upper arm sheath; Forearm sheath is fixed on the first end bending and stretching and switch guide arm; Bending and stretching the second end switching guide arm is fixed on support cursor slide; Motion guide arm first end is provided with tooth bar, supports cursor slide by a wheel and rack engagement, makes to support cursor slide and be fixed in motion guide arm; Handle is connected on the central shaft of gear; Upper arm sheath is fixed on Extension support; Extension support is fixed on the second end of motion guide arm.During use, upper arm and forearm are placed in respectively forearm sheath and upper arm sheath and fix, by turn handle, driven gear rotates the angle adjusting and support cursor slide and motion guide arm on the tooth bar of motion guide arm, thus realization adjusts the angle of elbow joint flexing; This training aids structure is simple, easy and simple to handle, and patient, without the need to the specialized guidance of rehabilitation training teacher, can buy training of being in voluntarily and use.
Description
Technical field
This utility model relates to technical field of medical rehabilitation machinery, is specifically related to a kind of elbow joint flexion-extension trainer.
Background technology
Elbow joint contracture is the common complication of the diseases such as elbow joint trauma, operation, burn, arthritis and apoplexy, and elbow joint bends and stretches the quality of life that obstacle has a strong impact on patient, if bend and stretch function limitation, in daily life, many things all cannot complete voluntarily; Such as, ancon flexing is limited when being less than 130 degree, and hand cannot cause close to mouth has a meal and can not take care of oneself, if ancon stretches limited when being greater than 40 degree, when wearing the clothes, upper limb is not easy to pack in sleeve.Again exercising elbow joint degree is recovered for patient, clinician and rehabilitation therapist, be all stubborn problem, at present, the treatment for exercising elbow joint obstacle adopts lysis, rehabilitation, naturopathy etc. more, but the above-mentioned Therapeutic Method persistent period is short, DeGrain in the short time.
The rehabilitation device of such as elbow joint exerciser is more and more paid attention in recent years, has become the important method for the treatment of elbow joint contracture.If patient can use elbow joint exerciser to carry out rehabilitation training at treatments period, rehabilitation duration will be shortened, and effectively improve therapeutic effect, therefore, patient and rehabilitation therapist need effectively to help patient to carry out the elbow joint exerciser of correlation function rehabilitation training.
But existing elbow joint exerciser often complex structure causes operation easier high, is usually placed on rehabilitation place, needs of patients is in the assistance of rehabilitation therapist and use under instructing, and this brings very large inconvenience to the rehabilitation of patient.
Summary of the invention
This utility model provides a kind of elbow joint flexion-extension trainer, and structure is simple and easy and simple to handle, and patient can be in use voluntarily, carries out rehabilitation whenever and wherever possible.
For reaching above-mentioned technical purpose, this utility model realizes by the following technical solutions:
Propose a kind of elbow joint flexion-extension trainer, comprise forearm sheath, bend and stretch switching guide arm, support cursor slide, motion guide arm, handle, Extension support and upper arm sheath; The first end switching guide arm is bent and stretched described in described forearm sheath is fixed on; Described the second end switching guide arm that bends and stretches is fixed on described support cursor slide; Described motion guide arm first end is provided with tooth bar, and described support cursor slide is engaged with described tooth bar by a gear, makes described support cursor slide be fixed in described motion guide arm; Described handle is connected on the central shaft of described gear; Described upper arm sheath is fixed on described Extension support; Described Extension support is fixed on the second end of described motion guide arm.
Further, bend and stretch the second end switching guide arm described in and there is switching pin-and-hole; The both sides of described support cursor slide one end are provided with and support cursor slide guide groove; The first end of described support cursor slide guide groove is provided with stretching, extension pin hole, and the second end of described support cursor slide guide groove is provided with flexing pin hole; When described switching pin-and-hole overlaps with described stretching, extension pin hole with described flexing pin hole or described switching pin-and-hole, the described switching pin-and-hole of the described switching pin-and-hole that one plug-in unit grafting enters to overlap and described flexing pin hole or coincidence and described stretching, extension pin hole, bend and stretch switching guide arm and be fixedly connected with described support cursor slide described in making.
Further, bend and stretch the second end switching guide arm described in and also there is switching guide pillar; Described bending and stretching switches guide arm when being fixedly connected with by plug-in unit with described support cursor slide, and described switching guide pillar is placed in described support cursor slide guide groove.
Further, described motion guide arm is provided with motion guide arm guide groove; Described support cursor slide is also provided with and supports cursor slide guide pillar; When described support cursor slide is fixed in described motion guide arm, described support cursor slide guide pillar is placed in described motion guide arm guide groove.
Further, the second end of described motion guide arm is provided with expansion dowel hole; Described Extension support have flexing locating hole and stretch locating hole; When described expansion dowel hole overlaps with described stretching, extension locating hole with described flexing locating hole or described expansion dowel hole, the described expansion dowel hole that one plug-in unit grafting enters to overlap and described flexing locating hole, or the described expansion locating hole of coincidence and described stretching, extension locating hole are entered in grafting, make described Extension support be fixedly connected with described motion guide arm.
Further, the second end of described motion guide arm is also provided with pin hole; Described Extension support also has draw-in groove; When described expansion dowel hole overlaps with described stretching, extension locating hole with described flexing locating hole or described expansion dowel hole, described pin hole with can be overlapping with described draw-in groove, the described pin hole that one plug-in unit grafting enters to overlap and described draw-in groove, strengthen described Extension support and be fixedly connected with described motion guide arm.
Further, described motion guide arm is curved.
Further, described Extension support is in " 7 " font; Described upper arm sheath is fixed on the upside of the horizontal edge of described " 7 " font Extension support.
Further, described plug-in unit is latch.
Further, described forearm sheath be riveted on described in bend and stretch and switch in guide arm; And/or described upper arm sheath riveted joint is with on described Extension support.
The technique effect of the technical scheme that this utility model embodiment proposes or advantage are: the elbow joint flexion-extension trainer that this utility model embodiment proposes, by forearm sheath, bend and stretch switching guide arm, support cursor slide, motion guide arm, hands handle, Extension support and upper arm sheath composition, bending and stretching switching guide arm is fixed on support cursor slide, supporting cursor slide is fixed on the first end of motion guide arm, Extension support is fixed on the second end of motion guide arm, forearm sheath is fixed on to bend and stretch and switches in guide arm, upper arm sheath is fixed on Extension support, handle be connected to support the gear that cursor slide and motion guide arm are fixed central shaft on, during use, upper arm and forearm are placed in respectively forearm sheath and upper arm sheath and fix, by turn handle, driven gear rotates the angle adjusting and support cursor slide and motion guide arm on the tooth bar of motion guide arm, thus realization adjusts the angle of elbow joint flexing, after patient only need be applicable to the angle of oneself training according to self needing turning handle adjustment, stop operating handle keep elbow joint flexing or stretching, extension, carries out the training of certain hour, whole elbow joint flexion-extension trainer structure is simple, easy and simple to handle, patient is without the need to the specialized guidance of rehabilitation training teacher, training of being in can be bought voluntarily use, and this elbow joint flexion-extension trainer can according to the rehabilitation situation adjusting training angle of patient, meet the training demand in patient's different rehabilitation stage, ensure that effectiveness and the specific aim of training.
Accompanying drawing explanation
Fig. 1 is the elbow joint flexion-extension trainer structure chart that the embodiment of the present application proposes;
Fig. 2 is the elbow joint flexion-extension trainer structure chart that the embodiment of the present application proposes;
Fig. 3 is the structural representation of the support cursor slide that the embodiment of the present application proposes;
Fig. 4 is the structural representation of the motion guide arm that the embodiment of the present application proposes;
Fig. 5 is the structural representation of the Extension support that the embodiment of the present application proposes.
Detailed description of the invention
The embodiment of the present application provides a kind of elbow joint flexion-extension trainer, and structure is simple and easy and simple to handle, according to the rehabilitation situation adjusting training angle of patient, can meet the training demand in patient's different rehabilitation stage, ensure effectiveness and the specific aim of training; The use and patient can be in voluntarily, carries out rehabilitation whenever and wherever possible.
For making the technical scheme of the embodiment of the present application and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present application, clear, complete description is carried out to the technical scheme in the embodiment of the present application.
As shown in Figure 1, be the structure chart of the elbow joint flexion-extension trainer that the embodiment of the present application proposes, comprise forearm sheath 1, bend and stretch switching guide arm 2, support cursor slide 3, motion guide arm 4, handle 7, Extension support 5 and upper arm sheath 6; Forearm sheath 1 is fixed on the first end bending and stretching and switch guide arm 2; Bending and stretching the second end switching guide arm 2 is fixed on support cursor slide 3; Motion guide arm 4 first end is provided with tooth bar 42, supports cursor slide 3 and is engaged with tooth bar 42 by a gear 35, makes to support cursor slide 3 and is fixed in motion guide arm 4; Handle 7 is connected on the central shaft of gear 35; Upper arm sheath 6 is fixed on Extension support 5; Extension support 5 is fixed on the second end of motion guide arm 4.
During use, upper arm and forearm are placed in respectively forearm sheath 1 and upper arm sheath 6 is fixed, by turn handle 7, driven gear 35 rotates the angle adjusting and support cursor slide 3 and motion guide arm 4 on the tooth bar 42 of motion guide arm 4, thus realizes the angle of adjustment elbow joint flexing; After patient only need be applicable to the angle of oneself training according to self needing turning handle 7 adjustment, stop operating handle 7 keep elbow joint flexing or stretching, extension, carries out the training of certain hour; Whole elbow joint flexion-extension trainer structure is simple, easy and simple to handle, patient is without the need to the specialized guidance of rehabilitation training teacher, training of being in can be bought voluntarily use, and this elbow joint flexion-extension trainer can according to the rehabilitation situation adjusting training angle of patient, meet the training demand in patient's different rehabilitation stage, ensure that effectiveness and the specific aim of training.
Concrete, as shown in figures 1 and 3, have at the second end bending and stretching switching guide arm 2 and switch pin-and-hole 22; The both sides supporting one end of cursor slide 3 are provided with and support cursor slide guide groove 32; The first end supporting cursor slide guide groove 32 is provided with and stretches pin hole 33, and its second end is provided with flexing pin hole 31; Switch pin-and-hole 22 and flexing pin hole 31 or switch pin-and-hole 22 when overlapping with described stretching, extension pin hole 33, the switching pin-and-hole 22 of the switching pin-and-hole 22 that one plug-in unit grafting enters to overlap and flexing pin hole 31 or coincidence and stretching, extension pin hole 33, make to bend and stretch switching guide arm 2 and be fixedly connected with support cursor slide 3.
Also have at the second end bending and stretching switching guide arm 2 and switch guide pillar 21; Bend and stretch switch guide arm 2 with support cursor slide 3 be fixedly connected with by plug-in unit time, switch guide pillar 21 and can be placed in support cursor slide guide groove 32.
Motion guide arm 4 is provided with motion guide arm guide groove 41; Support cursor slide 3 is also provided with and supports cursor slide guide pillar 36; When support cursor slide 3 is fixed in motion guide arm 4, makes to support cursor slide guide pillar 36 and be placed in motion guide arm guide groove 41.
As shown in Figure 1 and Figure 4, the second end of motion guide arm 4 is provided with expansion dowel hole 44; Extension support 5 have flexing locating hole 52 and stretch locating hole 53; Expansion dowel hole 44 and flexing locating hole 52 or expand dowel hole 44 with stretch locating hole 53 overlap time, the expansion dowel hole 44 that one plug-in unit grafting enters to overlap and flexing locating hole 52, or grafting is entered the expansion dowel hole 44 of coincidence and stretches locating hole 53, makes Extension support 5 be fixedly connected with motion guide arm 4.
Second end of motion guide arm 4 is also provided with pin hole 43; Extension support 5 also has draw-in groove 51; Expansion dowel hole 44 and flexing locating hole 52 or expand dowel hole 44 with stretch locating hole 53 overlap time, pin hole 43 can be overlapping with draw-in groove 51, the pin hole 43 that one plug-in unit grafting enters to overlap and draw-in groove 51, play the effect strengthened Extension support 5 and be fixedly connected with motion guide arm 4.
The structure that motion guide arm 4 is preferably curved, curved structure is more suitable for the form of ancon and the needs of flexing or stretching, extension.
Forearm sheath 1 and/or upper arm sheath 6 are fixed with magic tape 11, are convenient to or strengthen fixing forearm and upper arm.
As shown in Figure 5, the structure of Extension support 5 preferably in " 7 " font; On the upside of horizontal edge upper arm sheath 6 being fixed on this " 7 " font Extension support.Now, as shown in Figure 4, can arrange a transverse arm 45 at the second end of arcuate movement guide arm 4, when Extension support 5 is fixed on the second end of motion cursor slide 4, this transverse arm 45 can play the effect supporting Extension support 5, and then plays the effect of making upper arm.
The plug-in unit of the switching pin-and-hole 22 that above-mentioned grafting enters to overlap and flexing pin hole 31 or the switching pin-and-hole 22 overlapped and stretching, extension pin hole 31, the expansion dowel hole 44 entering to overlap with grafting and flexing locating hole 52, or grafting the expansion dowel hole 44 entering to overlap and the plug-in unit stretching locating hole 53, and the pin hole 43 of coincidence and the plug-in unit of draw-in groove 51 are entered in grafting, preferred use latch, uses latch can easily all parts of this elbow joint flexion-extension trainer of dismounting; Can certainly select the immobilising devices such as screw, the embodiment of the present application will not limit.
Handle 7 is preferably mounted at inboard arm, is convenient to patient's font and regulates this elbow joint flexion-extension trainer.
Below according to hands-on service condition, introduce this elbow joint flexion-extension trainer stretches training two kinds of detailed description of the invention for the training of ancon flexing and ancon respectively; Before training, suppose to bend and stretch switch guide arm 2 and support that cursor slide 3 is not connected, Extension support 5 is not connected with motion guide arm 4, forearm sheath 1 with bend and stretch switch that guide arm 2 is riveted, supported that cursor slide 3 is engaged with the tooth bar 42 in motion guide arm 4 by gear 35, upper arm sheath 6 and Extension support 5 rivet.
Embodiment one
Carry out ancon and stretch training, as shown in Figure 1.
1, mobile bending and stretching switches guide arm 2, now, switches guide pillar 21 and slides by the guiding supporting cursor slide guide groove 32 in support cursor slide guide groove 32, overlap until switch pin-and-hole 22 with the position of stretching pin hole 33.
2, enter to switch pin-and-hole 22 with latch grafting and stretch pin hole 33, making to bend and stretch switching guide arm 2 and be fixedly connected with support cursor slide 3.
3, Extension support 5 is socketed in motion guide arm 4, expansion dowel hole 44 on alignment motion guide arm 4 second end and the stretching, extension locating hole 53 on Extension support 5, enter to expand dowel hole 44 with latch grafting and stretch locating hole 53, Extension support 5 is fixedly connected with motion guide arm 4.
4, now, the pin hole 43 in motion guide arm 4 overlaps with the draw-in groove 51 on Extension support 5, enters pin hole 43 and draw-in groove 51 with latch grafting, strengthens being fixedly connected with Extension support 5 and motion guide arm 4.
5, forearm sheath 1 and upper arm sheath 6 are socketed on forearm and upper arm respectively, fasten magic tape.
6, turn handle 7, driven gear 35 engagement rotation adjustment on tooth bar 42 supports cursor slide 3 and the angle of motion guide arm 4, realizes the stretching, extension angle of adjustment elbow joint; When feeling elbow joint slightly after tension force, stopping turn handle 7, training about keeping elbow joint tension force to stretch half an hour.
Embodiment two
Carry out the training of ancon flexing, as shown in Figure 2.
1, mobile bending and stretching switches guide arm 2, now, switches guide pillar 21 and slides by the guiding supporting cursor slide guide groove 32 in support cursor slide guide groove 32, overlap until switch pin-and-hole 22 with the position of flexing pin hole 31.
2, enter to switch pin-and-hole 22 and flexing pin hole 31 with latch grafting, make to bend and stretch switching guide arm 2 and be fixedly connected with support cursor slide 3.
3, Extension support 5 is socketed in motion guide arm 4, expansion dowel hole 44 on alignment motion guide arm 4 second end and the flexing locating hole 52 on Extension support 5, enter to expand dowel hole 44 and flexing locating hole 52 with latch grafting, Extension support 5 is fixedly connected with motion guide arm 4.
4, now, the pin hole 43 in motion guide arm 4 overlaps with the draw-in groove 51 on Extension support 5, enters pin hole 43 and draw-in groove 51 with latch grafting, strengthens being fixedly connected with Extension support 5 and motion guide arm 4.
5, forearm sheath 1 and upper arm sheath 6 are socketed on forearm and upper arm respectively, fasten magic tape.
6, turn handle 7, driven gear 35 engagement rotation adjustment on tooth bar 42 supports cursor slide 3 and the angle of motion guide arm 4, realizes the flexion angle of adjustment elbow joint; When feeling elbow joint slightly after tension force, stopping turn handle 7, training about keeping elbow joint tension force to stretch half an hour.
Above-mentioned, the elbow joint flexion-extension trainer that the embodiment of the present application proposes, for exercising elbow joint impaired patients provides, one is easy and simple to handle, structure is simple, portable training devices, and the mobility of patient by using this training aids significantly can improve elbow joint, increases range of activity; And cost is low, patient can buy voluntarily, and the guidance without the need to rehabilitation therapist is in active training voluntarily.Two locating holes (being flexing locating hole and stretching, extension locating hole respectively) on Extension support coordinate with the expansion dowel hole in motion guide arm, and two pin holes on support cursor slide (be flexing pin hole respectively and stretch pin hole) with bend and stretch the switching pin-and-hole switched in guide arm and coordinate, two aspects coordinate adjustment simultaneously, can adjust the maximum angle of elbow joint flexing or stretching, extension; In conjunction with the adjustment (regulate flexing or stretch angle) of handle, such that patient's according to rehabilitation situation adjusting training angle, can meet the training demand in patient's different rehabilitation stage, the effectiveness of training and specific aim can be ensured.
It should be noted that; above-mentioned explanation is not to restriction of the present utility model; this utility model is also not limited in above-mentioned citing; the change that those skilled in the art make in essential scope of the present utility model, modification, interpolation or replacement, also should belong to protection domain of the present utility model.
Claims (10)
1. an elbow joint flexion-extension trainer, is characterized in that, comprises forearm sheath, bends and stretches switching guide arm, supports cursor slide, motion guide arm, handle, Extension support and upper arm sheath; The first end switching guide arm is bent and stretched described in described forearm sheath is fixed on; Described the second end switching guide arm that bends and stretches is fixed on described support cursor slide; Described motion guide arm first end is provided with tooth bar, and described support cursor slide is engaged with described tooth bar by a gear, makes described support cursor slide be fixed in described motion guide arm; Described handle is connected on the central shaft of described gear; Described upper arm sheath is fixed on described Extension support; Described Extension support is fixed on the second end of described motion guide arm.
2. elbow joint flexion-extension trainer according to claim 1, is characterized in that, described in bend and stretch and switch the second end of guide arm there is switching pin-and-hole; The both sides of described support cursor slide one end are provided with and support cursor slide guide groove; The first end of described support cursor slide guide groove is provided with stretching, extension pin hole, and the second end of described support cursor slide guide groove is provided with flexing pin hole; When described switching pin-and-hole overlaps with described stretching, extension pin hole with described flexing pin hole or described switching pin-and-hole, the described switching pin-and-hole of the described switching pin-and-hole that one plug-in unit grafting enters to overlap and described flexing pin hole or coincidence and described stretching, extension pin hole, bend and stretch switching guide arm and be fixedly connected with described support cursor slide described in making.
3. elbow joint flexion-extension trainer according to claim 2, is characterized in that, described in bend and stretch and switch the second end of guide arm also there is switching guide pillar; Described bending and stretching switches guide arm when being fixedly connected with by plug-in unit with described support cursor slide, and described switching guide pillar is placed in described support cursor slide guide groove.
4. elbow joint flexion-extension trainer according to claim 1, is characterized in that, described motion guide arm is provided with motion guide arm guide groove; Described support cursor slide is also provided with and supports cursor slide guide pillar; When described support cursor slide is fixed in described motion guide arm, described support cursor slide guide pillar is placed in described motion guide arm guide groove.
5. elbow joint flexion-extension trainer according to claim 1, is characterized in that, the second end of described motion guide arm is provided with expansion dowel hole; Described Extension support have flexing locating hole and stretch locating hole; When described expansion dowel hole overlaps with described stretching, extension locating hole with described flexing locating hole or described expansion dowel hole, the described expansion dowel hole that one plug-in unit grafting enters to overlap and described flexing locating hole, or the described expansion locating hole of coincidence and described stretching, extension locating hole are entered in grafting, make described Extension support be fixedly connected with described motion guide arm.
6. elbow joint flexion-extension trainer according to claim 5, is characterized in that, the second end of described motion guide arm is also provided with pin hole; Described Extension support also has draw-in groove; When described expansion dowel hole overlaps with described stretching, extension locating hole with described flexing locating hole or described expansion dowel hole, described pin hole with can be overlapping with described draw-in groove, the described pin hole that one plug-in unit grafting enters to overlap and described draw-in groove, strengthen described Extension support and be fixedly connected with described motion guide arm.
7. elbow joint flexion-extension trainer according to claim 1, is characterized in that, described motion guide arm is curved.
8. elbow joint flexion-extension trainer according to claim 1, is characterized in that, described Extension support is in " 7 " font; Described upper arm sheath is fixed on the upside of the horizontal edge of described " 7 " font Extension support.
9. the elbow joint flexion-extension trainer according to claim 2 or 5, is characterized in that, described plug-in unit is latch.
10. elbow joint flexion-extension trainer according to claim 1, is characterized in that, bends and stretches and switch in guide arm described in described forearm sheath is riveted on; And/or described upper arm sheath riveted joint is with on described Extension support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520093557.4U CN204468605U (en) | 2015-02-10 | 2015-02-10 | A kind of elbow joint flexion-extension trainer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520093557.4U CN204468605U (en) | 2015-02-10 | 2015-02-10 | A kind of elbow joint flexion-extension trainer |
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| CN204468605U true CN204468605U (en) | 2015-07-15 |
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| CN201520093557.4U Active CN204468605U (en) | 2015-02-10 | 2015-02-10 | A kind of elbow joint flexion-extension trainer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105982809A (en) * | 2015-02-10 | 2016-10-05 | 青岛尤尼科技有限公司 | Elbow joint flexion-extension trainer |
| CN106473893A (en) * | 2015-08-26 | 2017-03-08 | 黄石钊 | Elbow joint limbs pulling device |
| CN109434001A (en) * | 2018-12-03 | 2019-03-08 | 广东盛茂达自动控制科技有限公司 | Bracket riveting device |
-
2015
- 2015-02-10 CN CN201520093557.4U patent/CN204468605U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105982809A (en) * | 2015-02-10 | 2016-10-05 | 青岛尤尼科技有限公司 | Elbow joint flexion-extension trainer |
| CN106473893A (en) * | 2015-08-26 | 2017-03-08 | 黄石钊 | Elbow joint limbs pulling device |
| CN109434001A (en) * | 2018-12-03 | 2019-03-08 | 广东盛茂达自动控制科技有限公司 | Bracket riveting device |
| CN109434001B (en) * | 2018-12-03 | 2024-04-12 | 广东盛茂达自动控制科技有限公司 | Bracket riveting device |
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Effective date of registration: 20220623 Address after: 511466 room 4, room 1313, No. 7, Chuangjing street, Nansha street, Nansha District, Guangzhou City, Guangdong Province (office only) Patentee after: Guangzhou youni Zhikang Biotechnology Co.,Ltd. Address before: 266000 room 205, D2, Zhongyi 1688 Creative Industrial Park, No. 1022, Beilao, Licang District, Qingdao, Shandong Patentee before: Qingdao Unique Products Develop Co.,Ltd. |