CN205321820U - Boosting device and have its rocking chair - Google Patents
Boosting device and have its rocking chair Download PDFInfo
- Publication number
- CN205321820U CN205321820U CN201520811513.0U CN201520811513U CN205321820U CN 205321820 U CN205321820 U CN 205321820U CN 201520811513 U CN201520811513 U CN 201520811513U CN 205321820 U CN205321820 U CN 205321820U
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- flexible glue
- push rod
- backstop
- fixing body
- assist device
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Abstract
The utility model provides a boosting device and have its rocking chair relates to furniture technical field. A boosting device includes cylinder hollow frame, be equipped with the passageway that transversely runs through in the middle of the cylinder hollow frame, cylinder hollow frame surface is around there being the coil, the coil both ends have connect the power, the push rod, the push rod is located within the passageway in the middle of the cylinder hollow frame and can be in the passageway lateral shifting, the signalling body, the signalling body includes hollow cylinder and locates the wire of hollow cylinder surface, the hollow cylinder cover is located the one end of push rod, the signalling body can move on the push rod, first metal sensor, first metal sensor is located the below of the signalling body and is used for detecting the removal of the signalling body, a controller. The utility model has the advantages of the drive is big, the noiseless, the power consumption is low and the safety and stability.
Description
Technical field
This utility model relates to technical field of furniture, specifically refers to a kind of assist device and has its rocking chair。
Background technology
Continuous progress along with society, the quality of life of people is continuously available lifting, rocking chair is indispensable the articles for daily use of lying fallow during people live, rocking chair can be divided into Rocking chair, rocking office chair, Massage rocking chair, Physiotherapy chair etc. by kind, rocking chair is in order to realize automatic swinging, main by following manner in prior art:
One, with motor for power, driving waving of chair or bed by simple mechanical transmission mechanism and oscillating control mechanism, owing to its structure sheerly mechanical linkage waves, action is more stiff and mechanical, there is a significantly short sense, energy consumption is big, and safety coefficient is not high, in addition, make noise when complicated and operation big, when on the rocking chair lying in made by this kind of mode, people has the sense having a dizzy spell unavoidably, it is difficult to meet the comfort of people；
Two, pass through Electromagnetic Drive, limited due to its specific type of drive and output torque, the structure of chair is defined limitation, and traditional electromagnetic drive mode driving force is little, chair and the bed of child can only be used at present, the chair structure of general adult can not be common to, so far market does not have the magnetic force of universal mature to wave chair, in addition, the mode of Electromagnetic Drive is only when permanent magnet is put and is in same straight line with fixing electric magnet, permanent magnet could be produced a thrust by electric magnet, so when mass centre changing or skew, cannot start smoothly。
Therefore, rocking chair has very big room for promotion。
Utility model content
For the deficiencies in the prior art, the utility model proposes a kind of assist device and there is its rocking chair, driving force provided by the utility model disclosure satisfy that the crowd of various different weight, achieve full automatic startup and control mode, there is the advantages such as energy consumption low, simple in construction, stable movement, substantially increase the comfort of human body。
To achieve these goals, this utility model takes following technical scheme:
The utility model proposes a kind of assist device and there is its rocking chair, described assist device includes cylinder hollow sting, being provided with the passage extended transversely through in the middle of described cylinder hollow sting, described cylinder hollow sting outer surface is wound with coil, and described coil two is terminated with power supply；Push rod, described push rod be located within the passage in the middle of described cylinder hollow sting and can in passage transverse shifting；Signal emitter, described signal emitter includes hollow cylinder and is located at the tinsel of hollow cylinder external surface, and described hollow cylinder is sheathed on one end of described push rod, described signal emitter can and move on push rod；First metal sensor, described first metal sensor is located at the lower section of signal emitter and for detecting the movement of signal emitter；Controller, described controller is located in the loop that coil and power supply form, and described controller is for controlling power supply thus controlling the size of loop current, and described first metal sensor is connected to described controller。
Further, the right-hand member of the passage of described cylinder hollow sting is provided with stop lug, and described push rod is a multidiameter, and on the axle that the diameter that push rod is located at by described signal emitter is less, described stop lug backstop is in the axle being relatively large in diameter of push rod。
Described assist device also includes flexible glue fixing body, described flexible glue fixing body is provided with the first backstop flexible glue and the second backstop flexible glue, described first backstop flexible glue and the second backstop flexible glue are respectively arranged on the both sides up and down of the axle being relatively large in diameter of push rod, described first backstop flexible glue and the second backstop flexible glue moving and rotate in a circumferential direction with push rod。
Further, described flexible glue fixing body is relative and vertically disposed a pair, the middle part of described flexible glue fixing body is " V "-shaped in the horizontal direction, described flexible glue fixing body extends to form stem and afterbody along the both ends horizontal of " V " font, and described first backstop flexible glue and the second backstop flexible glue are provided with the arc surface that the axle being relatively large in diameter with push rod agrees with mutually。
Further, described relative and between stem and the stem of vertically disposed flexible glue fixing body, in the middle part of " V " font and in the middle part of " V " font between and afterbody and afterbody between form the first space, second space and the 3rd space respectively, described first backstop flexible glue and the second backstop flexible glue are respectively arranged within the first space and second space, and described 3rd space has the axle being relatively large in diameter of push rod。
Further, the right-hand member of described cylinder hollow sting is additionally provided with sensor fixing body, and described first metal sensor is located on sensor fixing body。
Further, described sensor fixing body includes relative and vertically disposed first baffle plate and second baffle and the third gear plate being located at the first baffle plate and second baffle top, the 4th space is formed between described first baffle plate and second baffle, being provided with the 3rd backstop flexible glue and the 4th backstop flexible glue in described 4th space, described 3rd backstop flexible glue and the 4th backstop flexible glue are provided with the arc surface that the axle less with the diameter of push rod agrees with mutually。
Further, being additionally provided with the second metal sensor on the third gear plate of described sensor fixing body, described second metal sensor is connected to controller。
Further, the right-hand member of described cylinder hollow sting is also associated with stop tab, and described stop tab is positioned at the right side of sensor fixing body, and described signal emitter moves between sensor fixing body and stop tab。
This utility model also proposes a kind of rocking chair, and described rocking chair includes above-mentioned assist device。
The beneficial effects of the utility model:
1. this utility model utilizes Electromagnetic Drive that push rod is moved left and right in the passage within cylinder hollow sting, when people lies upper rocking chair, rocking chair can produce slight vibrations and cause that the signal emitter being sheathed on push rod can be moved, and be positioned at the first metal sensor below signal emitter and will sense the movement of signal emitter, switch on power thus controlling the movement of push rod, and then start the properly functioning of rocking chair, the driving force provided disclosure satisfy that the crowd of various different weight, it is achieved that full automatic startup and control mode；
2. this utility model is provided with the first backstop flexible glue, the second backstop flexible glue, the 3rd backstop flexible glue and the 4th backstop flexible glue that shield; above-mentioned backstop flexible glue is respectively arranged on the two ends of push rod; play the effect supporting protection push rod; in addition; owing to the existence of backstop flexible glue also limit moving up and down of push rod; decrease vibrations during pushrod movement so that it is motion is more steady, substantially increases the comfort of human body；
3. this utility model is additionally provided with the second metal sensor; second metal sensor acts primarily as protective effect; when rocking chair waves excessively and makes the frame for movement being connected with push rod run to i.e. the second metal sensor place of critical localisation; second metal sensor will reduce the degree of waving of rocking chair by controller; improve the service life of assist device, further ensure stationarity when rocking chair runs；
4. this utility model utilizes the mode of Electromagnetic Drive to control waving of rocking chair, eliminates short sense when original rocking chair waves, and has that noiseless, energy consumption be low, the advantage of safety and stability。
Accompanying drawing explanation
The Figure of description constituting the part of the application is used for providing being further appreciated by of the present utility model, and schematic description and description of the present utility model is used for explaining this utility model, is not intended that improper restriction of the present utility model。In the accompanying drawings:
Fig. 1 is the structural representation of a kind of assist device of this utility model；
Fig. 2 is the front view of the flexible glue fixing body of a kind of assist device of this utility model；
Fig. 3 is the front view of the sensor fixing body of a kind of assist device of this utility model；
Fig. 4 is the functional-block diagram of a kind of assist device of this utility model。
Wherein, above-mentioned accompanying drawing includes the following drawings labelling:
1-cylinder hollow sting, 2-push rod, 3-signal emitter, 4-the first metal sensor, 5-controller, 6-flexible glue fixing body, 7-the first backstop flexible glue, 8-the second backstop flexible glue, 9-sensor fixing body, 10-the 3rd backstop flexible glue, 11-the 4th backstop flexible glue, 12-the second metal sensor, 13-stop tab, 14-power supply, 15-connector, 101-coil, 102-stop lug, 31-hollow cylinder, 32-tinsel, 61-the first space, 62-second space, 63-the 3rd space, 91-the 4th space。
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in this utility model embodiment, technical scheme in this utility model embodiment is clearly and completely described, obviously, described embodiment is a part of embodiment of this utility model, rather than whole embodiments。Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection。
Unless otherwise defined, technical term used herein or scientific terminology should be and have the ordinary meaning that the personage of general technical ability understands in this utility model art。" first ", " second " that use in present patent application description and claims and similar word are not offered as any order, quantity or importance, and are used only to distinguish different ingredients。Equally, the similar word such as " " or " " does not indicate that quantity limits yet, and indicates that and there is at least one。
The utility model proposes a kind of assist device, with reference to Fig. 1, Fig. 4, described assist device includes cylinder hollow sting 1, push rod 2, signal emitter the 3, first metal sensor 4 and controller 5。
Wherein, it is provided with, in the middle of cylinder hollow sting 1, the passage extended transversely through, cylinder hollow sting 1 outer surface is wound with coil 101, coil 101 liang is terminated with power supply 14, the cylinder hollow sting 1 that certain this utility model uses is not limited to material ferrum, can also be that some other has the metal material of conductive capability, the use occasion concrete with assist device and instructions for use and determines。
Push rod 2 be located within the passage in the middle of cylinder hollow sting 1 and can in passage transverse shifting, what this utility model push rod 1 adopted is one section of multidiameter, there are two sections of axles that diameter is different, the left end being located in passage being relatively large in diameter, and the less axle of diameter is provided with the right-hand member of passage, it is preferred that cylinder hollow sting 1 of the present utility model is additionally provided with stop lug 102 at the right-hand member place of passage, when push rod 2 moves left and right in passage, the axle backstop being relatively large in diameter is in stop lug 102。
Signal emitter 3 includes hollow cylinder 31 and is located at the tinsel 32 of hollow cylinder 31 outer surface, hollow cylinder 31 is sheathed on one end of push rod 2, concrete, hollow cylinder 31 is sheathed on one section of axle that the diameter of push rod 2 is less, and signal emitter 3 can move on push rod 2。
It should be noted that, the hollow cylinder 31 of above-mentioned signal emitter 3 preferably with lightweight and and push rod between the less material of coefficient of friction make, can be such as rigid plastics etc., so that the axle that signal emitter 3 moves the diameter that will not damage again push rod less on the axle that the diameter of push rod 2 is less can be made to be as the criterion。
First metal sensor 4 is located at the lower section of signal emitter 3 and for detecting the movement of signal emitter 3, and when signal emitter 3 is subject to the effect of external force and is moved, the first metal sensor 4 just can sense moving and starting working of signal emitter 3。
Controller 5 is located in the loop that coil 101 and power supply 102 form, controller 5 is for controlling power supply 102 thus controlling the size of loop current, above-mentioned first metal sensor 4 is connected to controller 5, when the first metal sensor 4 just can regulate the size of the motive force of assist device described in the utility model by controller 5 after starting working, thus realizing the adjustment to assist device motion。
In the present embodiment, stationarity during in order to improve the life-span of assist device and run, as shown in Figure 1-2, this utility model also includes flexible glue fixing body 6, flexible glue fixing body 6 is provided with the first backstop flexible glue 7 and the second backstop flexible glue 8, first backstop flexible glue 7 and the second backstop flexible glue 8 are respectively arranged on the both sides up and down of the axle being relatively large in diameter of push rod 2, and the first backstop flexible glue 7 and the second backstop flexible glue 8 move with push rod 2 and rotate in a circumferential direction。Specifically, flexible glue fixing body 6 is relative and vertically disposed a pair, the middle part of flexible glue fixing body 6 is " V "-shaped in the horizontal direction, flexible glue fixing body extends to form stem and afterbody along the both ends horizontal of " V " font, first backstop flexible glue 7 and the second backstop flexible glue 8 contact with the axle being relatively large in diameter on push rod 2 respectively, first backstop flexible glue 7 and the second backstop flexible glue 8 are provided with the arc surface that the axle being relatively large in diameter with push rod 2 agrees with mutually, wherein, relative and between stem and the stem of vertically disposed flexible glue fixing body 6, the first space 61 is formed respectively between in the middle part of " V " font and in the middle part of " V " font and between afterbody and afterbody, second space 62 and the 3rd space 63, first backstop flexible glue 7 and the second backstop flexible glue 8 are respectively arranged within the first space 61 and second space 62, 3rd space 63 accommodates the axle being relatively large in diameter of push rod 2。Above-mentioned first backstop flexible glue 7 and the second backstop flexible glue 8 act primarily as protective effect。
Accordingly, on push rod 2, the one end of the axle that diameter is less also is provided with protection device。As shown in Fig. 1 or Fig. 3, the right-hand member of cylinder hollow sting 1 of the present utility model is additionally provided with sensor fixing body 9, first metal sensor 4 is located on sensor fixing body 9, sensor fixing body 9 includes relative and vertically disposed first baffle plate and second baffle and the third gear plate being located at the first baffle plate and second baffle top, the 4th space 91 is formed between first baffle plate and second baffle, the 3rd backstop flexible glue 10 and the 4th backstop flexible glue 11 it is provided with in 4th space 91, 3rd backstop flexible glue 10 and less with diameter on the push rod 2 respectively axle of the 4th backstop flexible glue 11 contact, 3rd backstop flexible glue 10 and the 4th backstop flexible glue 11 are provided with the arc surface that the axle less with the diameter of push rod 2 agrees with mutually。
Above-mentioned the first backstop flexible glue 7 shielded, second backstop flexible glue 8, 3rd backstop flexible glue 10 and the 4th backstop flexible glue 11 are respectively arranged on the two ends of push rod 2, first backstop flexible glue 7 and the second backstop flexible glue 8 are located at the axle place being relatively large in diameter of push rod 2 and play the effect supporting the axle that protection is relatively large in diameter, 3rd backstop flexible glue 10 and the 4th backstop flexible glue 11 are located at the less axle place of the diameter of push rod 2 and play the effect supporting the less axle of protection diameter, in addition, owing to the existence of backstop flexible glue also limit moving up and down of push rod 2, decrease vibrations when push rod 2 moves, it is made to move more steady, substantially increase the comfort of human body。
The sensor fixing body 9 is not only provided with the 3rd backstop flexible glue 10 and the 4th backstop flexible glue 11, it is also equipped with the second metal sensor 12 shielded, the work of the second metal sensor 12 is substantially as follows: when push rod 2 or the rocking chair that is connected with push rod 2 wave excessively and make the frame for movement being connected with push rod 2 run to i.e. the second metal sensor 12 place of critical localisation, second metal sensor 12 will reduce the thrust of push rod 2 by controller 5 and reduce strong degree when rocking chair waves, improve service life and the safety of assist device, further ensure stationarity when rocking chair runs。
In the present embodiment, the right-hand member of cylinder hollow sting 1 is also associated with stop tab 13, and stop tab 13 is positioned at the right side of sensor fixing body 9, and described signal emitter 3 moves between sensor fixing body 9 and stop tab 13。
It should be noted that, can install different bindiny mechanisms 15 as required at the tip of the axis that the diameter of push rod 2 is less, attachment structure 15 is for being connected to assist device on frame for movement。
This utility model also proposes a kind of rocking chair, and rocking chair includes above-mentioned assist device。Assist device described in the utility model is applicable in various electric rocking chair, driving mechanism in electric rocking chair of the prior art is replaced with assist device described in the utility model, will be located in the bindiny mechanism 15 of push rod 2 end again and be connected to the driving link in the frame for movement in rocking chair, this utility model is in conjunction with the advantage of Electromagnetic Drive and mechanical movement, eliminate short sense when original rocking chair waves, have that noiseless, energy consumption be low, the advantage of safety and stability。
The automatic start-up course of description assist device in greater detail below and running:
Start-up course: the start-up course of assist device depends on the cooperation between signal emitter 3 and the first metal sensor 4, specifically, first the switch of power supply 14 is opened, assist device is allowed to be in static condition and holding state, apply a slight motive force (under such as stirring gently signal emitter) then to signal emitter 3, signal emitter 3 is subject to the effect of motive force and will be moved, now, it is in the first metal sensor 4 below signal emitter 3 and senses the movement of signal emitter 3, owing to signal emitter 3 is provided with tinsel 32, first metal sensor 4 will be subject to exciting and starting working of signal emitter 3, the controller 5 being connected with the first metal sensor 4 will send signal control power supply 14 and export electric energy, and then push rod 2 is begun in cylinder hollow sting 1 move left and right。When assist device is applied to rocking chair, it is convenient that start-up course will become, and when people needs to use rocking chair leisure, only need to lie gently and signal emitter 3 can be made to move into rocking chair, and then realize said process, it is achieved that full automatic Starting mode。
Running: after assist device starts, push rod 2 is subject to the effect of a driving force to the right, and under the effect of this driving force, push rod 2 moves right, when assist device is applied to rocking chair, namely drives rocking chair to swing forward。It should be noted that, a programmable clock chip it is provided with inside controller 5 of the present utility model, and its time cycle is set to 1s, the time internal controller 5 at front 0.5s can control assist device and produce motive force, will control assist device power-off in rear 0.5s internal controller。In the middle of concrete structure of the present utility model, namely after push rod 2 is subject to the effect of primary driving force, push rod 2 will move right slowly, now, the stroke that push rod 2 moves right will not be remote, after 0.5s, driving force disappears, push rod 2 will be moved to the left, due to the effect of inertia, exceeding the position of original static condition when push rod 2 is moved to the left, this will make signal emitter 3 move again, push rod 2 is made to be driven the effect of power again and make it move right, and then repetitive cycling said process。After a period of time, the movement of push rod 2 tends towards stability state can waving within 1 minute 60 times, learn by experiment, the swing of said frequencies can improve the comfort level of human body, additionally, adopt the above-mentioned method of operation, people people that will not make due to swinging suddenly of rocking chair in a flash of rocking chair on lying can be made to feel the ill symptoms such as inadaptable or dizzy, people is required for an adaptation or incremental process, and aforesaid way is suitable for the behaviors and habits of human body。
Last it should be noted that, assist device described in the utility model does not limit to is used in rocking chair, it is also possible to be applied to some other device needing boosting or occasion, for instance automatic opening and closing door etc.。
The above; it is only detailed description of the invention of the present utility model; but protection domain of the present utility model is not limited thereto; any those familiar with the art is in the technical scope that this utility model discloses; change can be readily occurred in or replace, all should be encompassed within protection domain of the present utility model。Therefore, protection domain of the present utility model should described be as the criterion with scope of the claims。
Claims (10)
1. an assist device, it is characterised in that described assist device includes:
Cylinder hollow sting (1), is provided with, in the middle of described cylinder hollow sting (1), the passage extended transversely through, and described cylinder hollow sting (1) outer surface is wound with coil (11), and described coil (101) two is terminated with power supply (14)；
Push rod (2), described push rod (2) be located within the passage in the middle of described cylinder hollow sting (1) and can in passage transverse shifting；
Signal emitter (3), described signal emitter (3) includes hollow cylinder (31) and is located at the tinsel (32) of hollow cylinder (31) outer surface, described hollow cylinder (31) is sheathed on one end of described push rod (2), and described signal emitter (3) can be upper mobile at push rod (2)；
First metal sensor (4), described first metal sensor (4) is located at the lower section of signal emitter (3) and is used for detecting the movement of signal emitter (3)；
Controller (5), described controller (5) is located in the loop that coil (11) and power supply (12) form, described controller (5) is by controlling power supply (12) thus controlling the size of loop current, and described first metal sensor (4) is connected to described controller (5)。
2. a kind of assist device according to claim 1, it is characterized in that, the right-hand member of the passage of described cylinder hollow sting (1) is provided with stop lug (102), described push rod (2) is a multidiameter, on the axle that diameter that described signal emitter (3) is located at push rod (2) is less, described stop lug (12) backstop is in the axle being relatively large in diameter of push rod (2)。
3. a kind of assist device according to claim 1, it is characterized in that, also include flexible glue fixing body (6), described flexible glue fixing body (6) is provided with the first backstop flexible glue (7) and the second backstop flexible glue (8), described first backstop flexible glue (7) and the second backstop flexible glue (8) are respectively arranged on the both sides up and down of the axle being relatively large in diameter of push rod (2), described first backstop flexible glue (7) and the second backstop flexible glue (8) moving and rotate in a circumferential direction with push rod (2)。
4. a kind of assist device according to claim 3, it is characterized in that, described flexible glue fixing body (6) is relative and vertically disposed a pair, the middle part of described flexible glue fixing body (6) is " V "-shaped in the horizontal direction, described flexible glue fixing body (6) extends to form stem and afterbody along the both ends horizontal of " V " font, and described first backstop flexible glue (7) and the second backstop flexible glue (8) are provided with the arc surface that the axle being relatively large in diameter with push rod (2) agrees with mutually。
5. a kind of assist device according to claim 4, it is characterized in that, described relative and between stem and the stem of vertically disposed flexible glue fixing body (6), in the middle part of " V " font and in the middle part of " V " font between and afterbody and afterbody between form the first space (61), second space (62) and the 3rd space (63) respectively, described first backstop flexible glue (7) and the second backstop flexible glue (8) are respectively arranged within the first space (61) and second space (62), and described 3rd space (63) accommodates the axle being relatively large in diameter of push rod (2)。
6. a kind of assist device according to claim 1, it is characterised in that the right-hand member of described cylinder hollow sting (1) is additionally provided with sensor fixing body (9), and described first metal sensor (4) is located on sensor fixing body (9)。
7. a kind of assist device according to claim 6, it is characterized in that, described sensor fixing body (9) includes relative and vertically disposed first baffle plate and second baffle and the third gear plate being located at the first baffle plate and second baffle top, the 4th space (91) is formed between described first baffle plate and second baffle, being provided with the 3rd backstop flexible glue (10) and the 4th backstop flexible glue (11) in described 4th space (91), described 3rd backstop flexible glue (10) and the 4th backstop flexible glue (11) are provided with the arc surface that the axle less with the diameter of push rod (2) agrees with mutually。
8. a kind of assist device according to claim 6 or 7, it is characterised in that being additionally provided with the second metal sensor (12) on the third gear plate of described sensor fixing body (9), described second metal sensor (12) is connected to controller (5)。
9. according to a kind of assist device according to claim 1, it is characterized in that, the right-hand member of described cylinder hollow sting (1) is also associated with stop tab (13), described stop tab (13) is positioned at the right side of sensor fixing body (9), and described signal emitter (3) is moved between sensor fixing body (9) and stop tab (13)。
10. a rocking chair, it is characterised in that described rocking chair includes the assist device according to any one of claim 1-9。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520811513.0U CN205321820U (en) | 2015-10-20 | 2015-10-20 | Boosting device and have its rocking chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520811513.0U CN205321820U (en) | 2015-10-20 | 2015-10-20 | Boosting device and have its rocking chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205321820U true CN205321820U (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520811513.0U Expired - Fee Related CN205321820U (en) | 2015-10-20 | 2015-10-20 | Boosting device and have its rocking chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205321820U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105212566A (en) * | 2015-10-20 | 2016-01-06 | 吴丹 | A kind of assist device and there is its rocking chair |
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2015
- 2015-10-20 CN CN201520811513.0U patent/CN205321820U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105212566A (en) * | 2015-10-20 | 2016-01-06 | 吴丹 | A kind of assist device and there is its rocking chair |
| CN105212566B (en) * | 2015-10-20 | 2018-05-25 | 吴丹 | A kind of assist device and with its rocking chair |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160622 Termination date: 20161020 |
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| CF01 | Termination of patent right due to non-payment of annual fee |