CN201571777U - Kinetic energy compensation mechanism for children's beds - Google Patents
Kinetic energy compensation mechanism for children's beds Download PDFInfo
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- CN201571777U CN201571777U CN2009202026763U CN200920202676U CN201571777U CN 201571777 U CN201571777 U CN 201571777U CN 2009202026763 U CN2009202026763 U CN 2009202026763U CN 200920202676 U CN200920202676 U CN 200920202676U CN 201571777 U CN201571777 U CN 201571777U
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- cradle
- kinetic energy
- pull rope
- eccentric stiffener
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Abstract
A kinetic energy compensation mechanism for children's beds comprises a cradle, a bracket, a transmission mechanism and a driving mechanism, wherein the driving mechanism can drive the cradle to oscillate relative to the bracket through the transmission mechanism. The kinetic energy compensation mechanism is characterized in that the transmission mechanism comprises an eccentric mechanism and two hauling ropes; the power input terminal of the eccentric mechanism is in transmission connection with the power output terminal of the driving mechanism; the two hauling ropes are symmetrically arranged on two sides of the eccentric mechanism; a first end of each hauling rope is connected with an eccentric output terminal of the eccentric mechanism, and a second end is arranged on the cradle; and the first ends of the hauling ropes rotate along with the eccentric mechanism to drive the cradle intermittently and alternately. Compared with the prior art, the utility model has the advantages that as the hauling ropes drive the cradle intermittently and alternately, the cradle is driven to swing in an energy compensating manner, thereby achieving low energy consumption; and the cradle swings more moderately and reposefully, so that a baby in the cradle can fall asleep easily.
Description
Technical field
The utility model relates to a kind of Children, relates in particular to a kind of Children that can swing.
Background technology
Children is as baby sleep, the free movable and main place of playing, articles for use are absolutely necessary in baby's developmental process, initial Children itself does not have the power support, all be after imposing external force, just can swing, if stop the application of force then Children just stops swinging, need constantly give the application of force and could keep swing, this has just limited adult's activity, brings certain trouble will certainly for busy green family life.
Based on this, in the prior art multiple automatic Children is disclosed at present, a kind of is that to utilize motor to drive not stopping of cradle moving, by a transmission mechanism rotatablely moving of motor is converted into swinging of cradle, so just an adult has been liberated, can do other thing, and not influence baby's ortho.As the patent No. is that (Granted publication number: CN2242037Y), this patent realizes by a cycle centre-of gravity shift mechanism that is made up of buncher and band eccentric pulley for the Chinese utility model patent " Electric baby bed " of ZL95242296.4; And for example the patent No. is that (Granted publication number: CN201019365Y), this patent realizes driving by brace and connecting rod framework for the Chinese utility model patent " electronic infant cradle " of ZL200720100994.X; Above-mentioned two kinds of drivings all are to realize by traditional type of drive, be that transmission mechanism all is rigid connection, motor must constantly do work on transmission mechanism for a long time, and energy consumption is bigger, amplitude in the swing process is difficult to control simultaneously, can fall asleep smoothly and can not provide safeguard baby child.The patent No. is Chinese utility model patent " the electric cradle " (Granted publication number: CN2527171Y) of ZL02201717.8 for another example, this patent is come the transmission cradle by motor, eccentric disc and two extension springs or elastic brace web successively, extension spring or elastic brace web are flexible back and forth owing to what need not stop in the use, and a lot of energy must be wasted in the centre.
Common in the market also have a kind of employing motor positive and inverse linking rod mechanism, realizes the Children that cradle swings.The same big deficiency of power consumption that exists.
Second kind drives by magnetic force, as the patent No. is that (Granted publication number: CN2862855Y), the magnetic line of force that the magnetic line of force that the magnetically-actuated case produces in this patent and permanent magnet produce repels the swing with the realization cradle mutually for the Chinese utility model patent " magnetically-actuated rocking type infanette " of ZL200520127124.2.Similarly the public can also be with reference to ZL200420094807.8, ZL200420026811.0.
A kind of Children that utilizes clockwork spring to drive is also disclosed in the prior art, as the patent No. is Chinese utility model patent " self-timing clockwork spring the cradle " (notification number: CN2106546U) of ZL91230743.9, the Chinese utility model patent of ZL200720045313.4 " the automatic rocker of Children " (Granted publication number: CN201108224Y) and for example, though need not battery, the cradle that above-mentioned two kinds of clockwork springs drive provides energy, but exist following technical problem to be difficult to overcome: at first, poor synchronization, energy consumption is big, no matter be among the document ZL91230743.9 horizontal motion bar with vertically fix between transmission, still the transmission between bent axle and the jointed gear unit among the document ZL200720045313.4, all belong to traditional rigid being in transmission connection, energy consumption is bigger; In addition, to cradle generally, the release of clockwork spring energy is difficult to reach harmony with swinging of cradle, will certainly reduce the clockwork spring energy utilization ratio like this; Secondly, complex structure, energy loss is big in the transmission process, the potential energy of clockwork will soon run out of, once can move 30 minutes though document ZL200720045313.4 mentions in specification, and energy is in additional state, in the actual application, kinetic energy loss is very big, clockwork spring will soon discharge and finish, and cradle also will stop in a short period of time, based on this, we think that clockwork spring is wanted enough greatly in his design, and this will certainly increase manufacturing cost and the raising difficulty of winding up.
The utility model content
Technical problem to be solved in the utility model is the kinetic energy compensating mechanism that the low Children of a kind of energy consumption is provided at the above-mentioned state of the art.
Another technical problem to be solved in the utility model is that amplitude of fluctuation relaxes the kinetic energy compensating mechanism that steadily is beneficial to the virgin Children of falling asleep of baby.
Another technical problem to be solved in the utility model is the kinetic energy compensating mechanism of simple in structure, cheap Children.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of kinetic energy compensating mechanism of Children, comprise cradle, support, transmission mechanism and driving mechanism, aforesaid driving mechanism can drive the relative support of cradle by transmission mechanism and can swing back and forth, and it is characterized in that described transmission mechanism comprises
Eccentric stiffener has power intake and eccentric output, and the clutch end of power intake and aforesaid driving mechanism is in transmission connection; And
Pull rope, be two and be symmetrically arranged in aforementioned eccentric stiffener both sides, first end of every pull rope is connected with the eccentric output of eccentric stiffener, and second end then is located on the described cradle, and first end of pull rope is with the eccentric stiffener rotation and to cradle batch (-type) driven.
Driving mechanism can adopt clockwork or motor drive mechanism.
Described clockwork comprises
The gripper shoe that two block gaps are arranged;
Going barrel is located between the aforesaid gripper shoe, in be provided with a clockwork spring that under handle rotates, can curl and save up strength, outer wall has external toothing;
First rotating shaft, two ends are located at respectively on the aforesaid gripper shoe, and the middle part has one-level driving gear and one-level driven gear, this one-level driven gear and aforesaid external toothing engaged transmission; And
Second rotating shaft, two ends are located at respectively on the aforesaid gripper shoe, the middle part has secondary driving gear and secondary driven gear, this secondary driven gear and aforesaid one-level driving gear engaged transmission, aforesaid secondary driving gear then with the power input gear engaged transmission of described eccentric stiffener.Further, for reducing cradle impulsive force back and forth in swing process, make the cradle swing more steady.The extension downwards of described cradle bottom is provided with a pair of balancing pole, second end of each pull rope then is connected on the corresponding balancing pole, balancing pole promptly plays the effect of fixed tractive, in the cradle swing process, play balanced action again, as preferably, described support both sides are connected with described cradle by two stay cords respectively, and, parallel ground, the middle part of described support is provided with an installing plate, described cradle is positioned at this installing plate top and has at interval, described clockwork then is located at this installing plate lower surface, and described balancing pole then passes the pilot hole of installing plate and can move around.When driving cradle for restriction external force, amplitude of fluctuation is excessive, and the pilot hole both sides of described installing plate are respectively equipped with the limited block of restriction cradle amplitude of fluctuation.Second end of each pull rope is located at described balancing pole and is on the same horizontal line with the rotation center of circle of described eccentric stiffener.Swing is more steady like this, and synchronism is good, and energy loss is little.
Along the swing trend of the cradle application of force in addition, make eccentric stiffener that rotation trend be arranged, the clockwork spring energy just is released, the driving eccentric stiffener rotates, the kinetic energy that produces is delivered on the cradle by pull rope again, reciprocation cycle like this, what cradle will continue waves down, up to the clockwork spring energy discharge finish till; If with hand steered firmly cradle, it is stopped, unclamp then, like this, because the rotation trend of eccentric stiffener is disengaged, the energy shortage of clockwork spring is to drive cradle again, make that cradle can not continue to wave, clockwork spring stops energy and discharges, and continues to allow cradle swing if desired, then touches a little, repeat above motion, energy supplement makes cradle continue swing, stops thereby reach promptly to hold up promptly, promptly pushes away promptly moving effect, the clockwork spring energy discharges and can be effectively controlled, performance ceiling capacity utilization rate need not to establish in addition switching mechanism, designs hommization more.
Described driving mechanism is the motor drive mechanism of being located on the support, this motor drive mechanism comprises housing and is located at housing interior motor and reduction gear component, this housing is located on the support, the power intake of aforementioned reduction gear component and the clutch end of motor are in transmission connection, and clutch end then is in transmission connection with the power intake of described eccentric stiffener.Further, described cradle one side horizontal direction two ends are respectively equipped with draw bar, and described pull rope one end then is connected on the aforesaid draw bar, and accordingly, described motor drive mechanism is located at support one side.
In actual application, as preferable selection, the length of pull rope can satisfy following requirement: the angle that circle center line connecting formation is rotated at the rotation center of circle place horizontal line of described eccentric stiffener and eccentric output and place is that pull rope is a tension under the angle α state, and described angle α is controlled in 15～75 ° of scopes.
Eccentric stiffener can adopt following two kinds of structures:
Described eccentric stiffener is a Z-shaped substantially crank, and this crank one end and described clockwork are in transmission connection, and the other end is connected with first end of described pull rope.
Described eccentric stiffener is a rotating disk, and power shaft and described clockwork that this rotating disk middle part is convexly equipped with are in transmission connection, and first end of pull rope then is located near the disk edge position.Rotating disk can be the five-pointed star shape, also can be disk.
Compared with prior art, advantage of the present utility model is: adopt pull rope batch (-type) driven cradle, the mode by energy supplement drives the cradle swing, and energy consumption reduces greatly, cradle swing simultaneously comparatively relaxes steadily, and the baby can enter sleep state soon.Because of only adopting pull rope to drive, simple in structure, cheap.
Description of drawings
Fig. 1 is embodiment 1 structural representation.
Fig. 2 is a structural representation after the embodiment 1 part tangent plane.
Fig. 3 is the upward view of Fig. 1.
Fig. 4 is an amplification schematic perspective view of removing clockwork after the gripper shoe among Fig. 3.
Fig. 5 is the structural representation behind the removal eccentric stiffener among Fig. 4.
Fig. 6 is another visual angle schematic diagram of clockwork after two gripper shoes of removal among Fig. 4.
Fig. 7 is in structural representation under the tension for the pull rope on the right.
Fig. 8 is in structural representation under the tension for the pull rope on the left side.
Fig. 9 is embodiment 2 structural representations.
Figure 10 is embodiment 3 structural representations.
Figure 11 is embodiment 4 structural representations.
Figure 12 is the enlarged drawing of motor drive mechanism among Figure 11.
Figure 13 removes structural representation behind the housing for Figure 12.
Figure 14 is another visual angle structural representation of Figure 13.
The specific embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
As Fig. 1, Fig. 2 and shown in Figure 3, Children in the present embodiment comprises cradle 2, support 1, transmission mechanism and clockwork 4, cradle 2 relative supports 1 can swing back and forth, and clockwork 4 can drive cradle 2 swings, and transmission mechanism comprises eccentric stiffener 6 and two pull ropes 5.
Support 1 both sides are connected with cradle 2 by two stay cords 3 respectively, and parallel ground, the middle part of support 1 is provided with an installing plate 11, and cradle 2 is positioned at installing plate 11 tops and has at interval, and clockwork 4 is located at this lower surface, installing plate 11 middle part,
The clutch end of the power intake of eccentric stiffener 6 and clockwork 4 is in transmission connection, and first end of pull rope 5 is with eccentric stiffener 6 rotations and by eccentric stiffener 6 batch (-type) driven.Second end of pull rope 5 is located at the middle part of balancing pole 21 and is on the same horizontal line with the rotation center of circle of eccentric stiffener 6.
As Fig. 4, Fig. 5 and shown in Figure 6, clockwork 4 comprises gripper shoe 42, going barrel 44, first rotating shaft 45 and second rotating shaft 46 that two block gaps are arranged.Going barrel 44 is located between the gripper shoe 42, in be provided with a clockwork spring that under handle 41 rotates, can curl and save up strength, outer wall has external toothing 441; First rotating shaft, 45 two ends are located at respectively on the gripper shoe 42, and the middle part has one-level driving gear 451 and one-level driven gear 452, this one-level driven gear 452 and external toothing 441 engaged transmission; Second rotating shaft, 46 two ends are located at respectively on the gripper shoe 42, the middle part has secondary driving gear 461 and secondary driven gear 462, this secondary driven gear 462 and one-level driving gear 451 engaged transmission, power input gear 61 engaged transmission of 461 of secondary driving gears and eccentric stiffener.Eccentric stiffener 6 in the present embodiment is a round turntable, and power shaft and clockwork 4 that this rotating disk middle part is convexly equipped with are in transmission connection, and first end of pull rope 5 then is located near the disk edge position.
As shown in Figure 7 and Figure 8, when the clockwork 4 in the present embodiment drives, eccentric stiffener 6 rotates for clockwise direction, place, the rotation center of circle horizontal line X of eccentric stiffener 6 and eccentric output 62 are under the angle α state with the angle that circle center line connecting Y formation is rotated at the place, pull rope 5 is a tension, be that pull rope 5 gives cradle 2 with the moment application of force, angle α is controlled in 15～75 ° of scopes, and is the best with 45 °.At this moment, cradle 2 is in the center, i.e. position under the cradle inactive state, pull rope 5 are subjected to eccentric stiffener 6 effects and tension and to the cradle 2 moment application of force, subsequently, two pull rope 5 batch (-type) driven cradles 2, after each application of force was intact, cradle 2 moved, and the pull rope 5 of original application of force is in lax not to cradle 2 application of forces, in the cradle swing process, two pull ropes 5 are in the process of alternately tension always.
Along the swing trend of the cradle application of force in addition, make eccentric stiffener that rotation trend be arranged, the clockwork spring energy just is released, the driving eccentric stiffener rotates, the kinetic energy that produces is delivered on the cradle by pull rope again, reciprocation cycle like this, what cradle will continue waves down, up to the clockwork spring energy discharge finish till; If with hand steered firmly cradle, it is stopped, unclamp then, like this, because the rotation trend of eccentric stiffener is disengaged, the energy shortage of clockwork spring is to drive cradle again, make that cradle can not continue to wave, clockwork spring stops energy and discharges, and continues to allow cradle swing if desired, then touches a little, repeat above motion, energy supplement makes cradle continue swing, stops thereby reach promptly to hold up promptly, promptly pushes away promptly moving effect, the clockwork spring energy discharges and can be effectively controlled, performance ceiling capacity utilization rate need not to establish in addition switching mechanism, designs hommization more.
The difference of present embodiment and prior art maximum is exactly that the eccentric mechanism batch (-type) alternately gives pull rope driving, makeup energy, and the clockwork spring in the present embodiment is the clockwork spring that three or five board table clocks of Shanghai production in the end of the year 70 are used, diameter is probably about 52mm.Because the clockwork spring pulling force is very little, do not influence impulsive force, the energy shortage of clockwork spring itself makes the cradle swing comparatively relax steadily to change the intrinsic frequency of cradle swing.
Embodiment 2: as shown in Figure 9, the eccentric stiffener 6 in the present embodiment is a Z-shaped substantially crank, and this crank one end and clockwork 4 are in transmission connection, and the other end is connected with first end of pull rope 5.Other structures are identical with embodiment 1.
Embodiment 3: as shown in figure 10, the eccentric stiffener 6 in the present embodiment is a five-pointed star fillet rotating disk, and power shaft and clockwork 4 that this rotating disk middle part is convexly equipped with are in transmission connection, and first end of pull rope 5 then is located near the disk edge position.Other structures are identical with embodiment 1.
The comparative example 1: the pull rope in two extension springs of the employing in the present embodiment or the rubber-like elastic cord alternate embodiment 1, other structures remain unchanged, and are equivalent to change the motor among the document ZL02201717.8 in the present embodiment clockwork.
Controlling under the amplitude of fluctuation prerequisite consistent with hunting frequency, behind the last clockwork spring of present embodiment, cradle only can be swung several following, trace it to its cause, at first, if adopt the elastic force of spring or elastic brace web little, spring or elastic brace web are not enough to the resistance of eccentric wheel rotation, the energy of clockwork spring storage will abrupt release by eccentric stiffener, and can say without any rhythm; If adopt the elastic force of spring or elastic brace web enough big, can play damping action to eccentric rotation, the energy of clockwork spring storage just cannot discharge so.
And if adopt technical scheme among the document ZL02201717.8, motor needs enough power so, extension spring or elastic cord are in stress to eccentric stiffener all the time at running, in the cradle swing process, extension spring or elastic brace web are flexible what do not stop, will certainly be lot of energy also loss, and the motor energy consuming ratio is bigger, adopt spring or elastic brace web to make that swing is softer in this technical scheme, also have buffering and shock preventing to consider in addition.
Embodiment 4: as Figure 11, Figure 12, Figure 13 and shown in Figure 14, driving mechanism in the present embodiment is the motor drive mechanism of being located on the support 4, motor drive mechanism 4 comprises housing 4b and is located at housing 4b interior motor 4a and reduction gear component 4c, the clutch end of the power intake of reduction gear component 4c and motor 4a is in transmission connection, and clutch end then is in transmission connection with the power intake of eccentric stiffener 6.Cradle 2 one side horizontal direction two ends are respectively equipped with draw bar 2a, and pull rope 5 one ends then are connected on the draw bar 2a, and accordingly, motor drive mechanism 4 is located at support one side, and wherein motor has external power supply to provide.Power supply in the present embodiment is 1.5 volts one on a battery, under the condition of Children load-bearing 9kg, can move about 9～10 hours.Other structures are similar to Example 1.
The power of motor drive mechanism 4 outputs is the same with the power of clockwork output among the embodiment 1 in the present embodiment, and the result also can reach promptly to hold up promptly and stop, and promptly pushes away promptly moving effect, and motor mechanism 4 energy discharge and can be effectively controlled, performance ceiling capacity utilization rate.
The comparative example 2: pull rope in the present embodiment and eccentric stiffener adopt motor positive and inverse linking rod mechanism to substitute, under the prerequisite of amplitude of fluctuation and hunting frequency unanimity, and 4 on the battery that the external power supply employing is 1.5 volts, be 10～12 hours running time.
As seen present embodiment power and energy saving more.We think based on the foregoing description and comparative example, and key is to have adopted two pull rope batch (-type)s alternately to drive cradle from both direction, and the mode of appropriate adoption kinetic energy compensation gives cradle to drive, and energy consumption descends naturally.
Claims (10)
1. the kinetic energy compensating mechanism of a Children comprises cradle (2), support (1), transmission mechanism and driving mechanism, and aforesaid driving mechanism can drive the relative support (1) of cradle (2) by transmission mechanism and can swing back and forth, and it is characterized in that described transmission mechanism comprises
Eccentric stiffener (6) has power intake and eccentric output, and the clutch end of power intake and aforesaid driving mechanism is in transmission connection; And
Pull rope (5), be two and be symmetrically arranged in aforementioned eccentric stiffener (6) both sides, first end of every pull rope (5) is connected with the eccentric output of eccentric stiffener (6), second end then is located on the described cradle (2), and first end of pull rope (5) is with eccentric stiffener (6) rotation and to cradle (2) batch (-type) driven.
2. the kinetic energy compensating mechanism of Children according to claim 1 is characterized in that described driving mechanism is the clockwork of being located on the described support, and this clockwork (4) comprises
The gripper shoe (42) that two block gaps are arranged;
Going barrel (44) is located between the aforesaid gripper shoe (42), in be provided with a clockwork spring that under handle (41) rotates, can curl and save up strength, outer wall has external toothing (441);
First rotating shaft (45), two ends are located at respectively on the aforesaid gripper shoe (42), and the middle part has one-level driving gear (451) and one-level driven gear (452), this one-level driven gear (452) and aforesaid external toothing (441) engaged transmission; And
Second rotating shaft (46), two ends are located at respectively on the aforesaid gripper shoe (42), the middle part has secondary driving gear (461) and secondary driven gear (462), this secondary driven gear (462) and aforesaid one-level driving gear (451) engaged transmission, aforesaid secondary driving gear (461) then with power input gear (61) engaged transmission of described eccentric stiffener.
3. the kinetic energy compensating mechanism of Children according to claim 2, it is characterized in that the extension downwards of described cradle (2) bottom is provided with a pair of balancing pole (21), second end of each pull rope (5) then is connected on the corresponding balancing pole (21), accordingly, described eccentric stiffener (6) is located at support (1) bottom center position.
4. the kinetic energy compensating mechanism of Children according to claim 3, it is characterized in that described support (1) both sides are connected with described cradle (2) by two stay cords (3) respectively, and, the parallel ground, middle part of described support (1) is provided with an installing plate (11), described cradle (2) is positioned at this installing plate (11) top and has at interval, described clockwork (4) then is located at this installing plate (11) lower surface, and described balancing pole (21) then passes the pilot hole (12) of installing plate and can move around.
5. the kinetic energy compensating mechanism of Children according to claim 4, second end that it is characterized in that each pull rope (5) are located at that described balancing pole (21) is gone up and are on the same horizontal line with the rotation center of circle of described eccentric stiffener (6).
6. the kinetic energy compensating mechanism of Children according to claim 5 is characterized in that pilot hole (12) both sides of described installing plate are respectively equipped with the limited block (13) of restriction cradle (2) amplitude of fluctuation.
7. the kinetic energy compensating mechanism of Children according to claim 1, it is characterized in that described driving mechanism is the motor drive mechanism of being located on the support (4), this motor drive mechanism (4) comprises housing (4b) and is located at housing (4b) interior motor (4a) and reduction gear component (4c), this housing (4b) is located on the support (1), the clutch end of the power intake of aforementioned reduction gear component (4c) and motor (4a) is in transmission connection, and clutch end then is in transmission connection with the power intake of described eccentric stiffener (6).
8. the kinetic energy compensating mechanism of Children according to claim 7, it is characterized in that described cradle (2) one side horizontal direction two ends are respectively equipped with draw bar (2a), described pull rope (5) one ends then are connected on the aforesaid draw bar (2a), accordingly, described motor drive mechanism (4) is located at support (1) one side.
9. according to the kinetic energy compensating mechanism of claim 3 or 7 described Childrens, place, the rotation center of circle horizontal line (X) that it is characterized in that described eccentric stiffener (6) is that pull rope (5) is a tension under the angle α state with the angle that eccentric output and place rotation circle center line connecting (Y) form, and described angle α is controlled at 15～75.In the scope.
10. the kinetic energy compensating mechanism of Children according to claim 9, it is characterized in that described eccentric stiffener (6) is a rotating disk, power shaft and described clockwork (4) that this rotating disk middle part is convexly equipped with are in transmission connection, and first end of pull rope (5) then is located near the disk edge position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202026763U CN201571777U (en) | 2009-12-25 | 2009-12-25 | Kinetic energy compensation mechanism for children's beds |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202026763U CN201571777U (en) | 2009-12-25 | 2009-12-25 | Kinetic energy compensation mechanism for children's beds |
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| CN201571777U true CN201571777U (en) | 2010-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009202026763U Expired - Fee Related CN201571777U (en) | 2009-12-25 | 2009-12-25 | Kinetic energy compensation mechanism for children's beds |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101756557B (en) * | 2009-12-25 | 2011-09-14 | 茅鸿勇 | Kinetic energy compensating mechanism of child bed |
| CN114271644A (en) * | 2021-12-20 | 2022-04-05 | 杭州飞思十工业设计有限公司 | Shaking table capable of preventing children from falling |
-
2009
- 2009-12-25 CN CN2009202026763U patent/CN201571777U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101756557B (en) * | 2009-12-25 | 2011-09-14 | 茅鸿勇 | Kinetic energy compensating mechanism of child bed |
| CN114271644A (en) * | 2021-12-20 | 2022-04-05 | 杭州飞思十工业设计有限公司 | Shaking table capable of preventing children from falling |
| CN114271644B (en) * | 2021-12-20 | 2024-02-27 | 杭州飞思十工业设计有限公司 | Shaking table with prevent child from turning over |
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| C17 | Cessation of patent right | ||
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Granted publication date: 20100908 Termination date: 20111225 |