CN2764693Y - Power driven baby walking frame - Google Patents
Power driven baby walking frame Download PDFInfo
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- CN2764693Y CN2764693Y CN 200520000338 CN200520000338U CN2764693Y CN 2764693 Y CN2764693 Y CN 2764693Y CN 200520000338 CN200520000338 CN 200520000338 CN 200520000338 U CN200520000338 U CN 200520000338U CN 2764693 Y CN2764693 Y CN 2764693Y
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Abstract
The utility model relates to a power driven walking vehicle which comprises a vehicle frame, a front vehicle leg, a rear vehicle leg, a one-way clutch, a main power device, a front connection rod and a rear connection rod, wherein the lower end of the front vehicle leg is provided with a front wheel; the lower end of the rear vehicle leg is provided with a rear wheel; the one-way clutch is arranged between the wheels and the vehicle legs; the main power device is arranged on the vehicle frame; the front and the rear connection rods are respectively arranged between power output shafts of the front and the rear vehicle legs and the main power device, and are connected in a crank connection rod form; the front and the rear connection rods are arranged on a shaft neck of an identical connection rod of the power output shaft. The walking vehicle of the utility model has the advantage of simple structure, and is suitable for mechanical power drive. Besides, the interest and the motion sense of the utility model are further improved.
Description
Technical field
The utility model relates to a kind of power driven walking vehicle, specifically, the utility model proposes a kind of improved technical scheme to existing power driven walking vehicle.
Background technology
In the prior art, the vehicle that stepped form is walked has proposed many technical schemes.As in american documentation literature US4561514A, also disclosing a kind of " recreational vehicle ", wherein has hollow shell as quadruped.Vehicle frame before and after being provided with in described housing, described front and back vehicle frame links together by a hollow shaft.Described front and back vehicle frame can rotate mutually around described hollow shaft.A pair of front and back car leg is installed in respectively on the vehicle frame of corresponding described front and back separately, and described front and back car leg can be along the vertical alternatively swinging of described vehicle body.In the lower end of front truck leg a pair of front vehicle wheel is installed, and a pair of rear wheel is installed in the lower end of described back car leg.At least one described wheel is driven by an engine installation, and described engine installation drives the swing of described front and back car leg by a power drive shaft, and described power drive shaft passes described hollow shaft.But, this recreational vehicle complex structure; The transmission shaft type of belt drive that it adopts, need by oscillating axle with transmission of power to the car leg of described front and back.And described oscillating axle constantly bears reciprocal moment of torsion in the course of the work, makes parts itself tired easily, particularly in load-carrying, as takes under occupant's the situation, because the intrinsic elasticity of oscillating axle itself makes that the efficient of power output is low, the poor reliability of work.At " the horse type carriage for children " that Chinese patent literature CN86208106U proposes, described horse type carriage for children can be worked as toy car also can work as perambulator use, outer appearance horse or other symbolic shape.When children ride when sitting, push away, draw head of the horse repeatedly with hand, four wheels just move sequentially, and head of the horse is bent forward and backward, and is similar to the horse attitude of walking.Its driver train keystone configuration is: be made up of axletree, rotating casing and one group of connecting rod.Yet, the complex structure of this horse type carriage for children.In use, because the version of connecting rod mechanism makes it be suitable for the form that back and forth drives, driving efficiency is low, is unsuitable for the combination of continuous output machine tool power.On the other hand, for the user, back and forth the form that drives is easy to generate uninteresting reflection, and low in particular as the carriage for children interest, kinesthesia is poor.In addition, on the one hand, above-mentioned prior art all is unsuitable for walking on irregular road surface because vehicle body is a rigidity.Thereby use when being unsuitable for open-air recreation.
The technology contents of utility model
For this reason, the purpose of this utility model is to propose a kind of simple in structure, power operated walking vehicle of being suitable for mechanical powered drive, and improves the drive efficiency of described walking vehicle.
Further purpose of the present utility model is to propose a kind of power driven walking vehicle of walking of being suitable on irregular road surface.
Another purpose of the present utility model is to improve interest and the kinesthesia of walking vehicle as carriage for children by the further improvement to the power driven walking vehicle.
For realizing above-mentioned utility model purpose, power driven walking vehicle of the present utility model comprises a vehicle frame; Be installed in front truck leg on the described vehicle frame pivotally by preceding installation shaft, the lower end of described front truck leg is equipped with front vehicle wheel; Be installed in back car leg on the described vehicle frame pivotally by the back installation shaft, the lower end of described back car leg is equipped with rear wheel; At least be installed in the free-wheel clutch between one of described front and back wheel and the corresponding car leg; A main power plant that is installed on the described vehicle frame, the power take-off shaft of described main power plant is a crankshaft component, described crankshaft component is made of crank journal part and the conrod journal that is fixed on the described crank journal part, be installed on the described vehicle frame, described crank journal part is with the parallel axes of described conrod journal and not on same straight line the described main shaft neck part component of rotation; Described crank journal part is parallel with described back installation shaft with described preceding installation shaft; Front rod, the one end is connected rotationally with described conrod journal, and the other end is connected rotationally with described front truck leg; Rear linking rod, the one end is connected rotationally with described conrod journal, and the other end is connected rotationally with described back car leg; Wherein said front rod and described rear linking rod are connected on the same described conrod journal; Under the driving of described main power plant, described front rod and described rear linking rod drive described front truck leg and described back car leg reciprocally near or away from.
One of described front rod and described rear linking rod and position below the described installation shaft of being connected of corresponding described car leg, and another and corresponding described car leg be connected the above position of described installation shaft.
Further, described front rod and described rear linking rod by being connected on the described conrod journal with being sleeved on shared axle sleeve co-rotation on the described conrod journal rotationally, one of described front rod and described rear linking rod are pivotally connected to described shared axle sleeve around an axle that is parallel to described conrod journal, and another is captiveed joint with described axle sleeve.
Described main power plant comprises that an electrical motor and one have motor-operated reductor, and the output shaft of described reductor is as the described power take-off shaft of described main power plant.
A kind of desirable embodiment is for being separately installed with a described front truck leg of cover and described back car leg and corresponding bent axle and connecting rod mechanism in the both sides of described vehicle frame, the axis of wherein said conrod journal and the axis of described power take-off shaft are along opposite deviation in driction.
For guarantee that described walking vehicle walks on irregular road surface, described vehicle frame is made up of front vehicle frame and back vehicle frame, and described front vehicle frame is rotatably connected to by a vertical adapter shaft with described back vehicle frame; The described front rod that is pivotally connected to described shared axle sleeve or the two ends of described rear linking rod are connected with corresponding parts by universal-joint; Described main power plant is installed in respectively on described front vehicle frame and the described back vehicle frame with one of the described front rod that is pivotally connected to described shared axle sleeve by universal-joint or described rear linking rod.
For improving the kinesthesia of described walking vehicle, the acceleration engine installation is installed on one of described front and back wheel.
For increasing the road-holding property of described walking vehicle, on described front truck leg, steering fork mechanism is installed.
Following term in the utility model should be understood according to following explanation: described " engine installation " both comprised independent propulsion source, as the form of electrical motor, driving engine etc., also comprised the form of propulsion source and combined with transmission.
Technique scheme of the present utility model has the following advantages compared to existing technology: power driven walking vehicle of the present utility model simple in structure; Particularly be applicable to the use of continuous output machine tool power, improved interest as carriage for children.When walking on the irregular road surface and since described front and back vehicle frame be rotatably connected and respective link connects by described universal-joint, guaranteed the stable working of described main power plant and car load walking steadily; The use of described acceleration engine installation has increased the kinesthesia of walking vehicle; And the setting of steering hardware makes described walking vehicle have performance as the vehicle.
Description of drawings
For the easier quilt of content of the present utility model is clearly understood, according to specific embodiment of the utility model also in conjunction with the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is the structural representation of first embodiment of the present utility model;
The mounting structure scheme drawing of single clutch between Fig. 2 wheel of the present utility model and the car leg;
Described power take-off shaft global facility during Fig. 3 is embodiment illustrated in fig. 1 and front-rear linkage bonded assembly structure scheme drawing;
Fig. 4 is the structural representation of second embodiment of the present utility model;
Fig. 5 is described power take-off shaft global facility and the front-rear linkage bonded assembly structure scheme drawing in embodiment illustrated in fig. 4;
Fig. 6 is the connection structure scheme drawing of the described front rod in embodiment illustrated in fig. 4;
Fig. 7 is the described acceleration mounting structure for power plant scheme drawing in embodiment illustrated in fig. 4;
Fig. 8 is the structural representation of the 3rd embodiment of the present utility model;
Fig. 9 shows the connection structure scheme drawing of the described front rod in embodiment illustrated in fig. 8, has shown the annexation of described front rod and described front truck leg especially.
Reference numeral wherein is expressed as: the 1-vehicle frame, 1 '-front vehicle frame; 1 "-back vehicle frame, installation shaft before the 2-, 3-front truck leg, the 4-front vehicle wheel, installation shaft behind the 5-, car leg behind the 6-, the 7-rear wheel, the 8-free-wheel clutch, the 9-buncher, the 10-power take-off shaft, 11-crank journal part, the 12-conrod journal, the 13-front rod, the 14-rear linking rod, the 15-electrical motor, 16-chain sprocket reduction gearing mechanism, 17-vertically connects rotating shaft, the shared axle sleeve of 18-, the 19-universal-joint, 19 '-universal-joint, 20-quickens engine installation, 21-steering fork mechanism, the 22-reductor, the 23-handlebar, pin shaft hole on the 24-front truck leg, the vertical bearing pin of 25-.
The specific embodiment
Referring to Fig. 1, first embodiment of walking vehicle driving machine of the present utility model comprises a vehicle frame 1; Be installed in front truck leg 3 on the described vehicle frame 1 pivotally by preceding installation shaft 2, the lower end of described front truck leg 3 is equipped with a pair of front vehicle wheel 4; Be installed in a pair of back car leg 6 on the described vehicle frame 1 pivotally by back installation shaft 5, the lower end of described back car leg 6 respectively is equipped with a rear wheel 7; Each described rear wheel 7 is installed on the car leg 6 of described back (referring to Fig. 2) by a flywheel part as free-wheel clutch 8; One is installed on the described vehicle frame 1 is that the buncher 9 of the energy is as main power plant with the storage battery; The output shaft of described buncher 9 is as power take-off shaft 10, described power take-off shaft 10 is a crankshaft component, its crank journal part 11 is coaxial with the output shaft of described motor, the parallel axes of conrod journal 12 and described crank journal part 11 and not on same straight line, the global facility of the described power take-off shaft 10 that is constituted is " Ω " shape roughly; Front rod 13 connects described conrod journal 12 and described front truck leg 3 with the form of piston crank mechanism; A pair of rear linking rod 14 connects described conrod journal 12 and described back car leg 6 with the form of piston crank mechanism; Be connected on the described conrod journal 12 (referring to Fig. 3) to described front rod 13 and described rear linking rod 14 co-rotation.
Described rear linking rod 14 of one side and the position of installation shaft below 5, the described back of being connected of described back car leg 6, the described rear linking rod of opposite side 14 and described back car leg 6 be connected the position of installation shaft 5 or more, described back, and described front rod 13 and the described preceding position of installation shaft below 2 of being connected of described front truck leg 3.
In use, described buncher 9 starts, and makes circumference as the described conrod journal 12 of bent axle rotation drive of described power take-off shaft 10 this moment and rotates.At this moment, be installed in described front rod 13 and described rear linking rod 14 on the described conrod journal 12 rotationally, drive described front truck leg 3 and described back car leg 6 separately with respect to described vehicle frame 1 swing with the rotation of described conrod journal 12, wherein said rear linking rod 14 is connected the described back car leg 6 at the position of installation shaft 5 or more, described back and does to swing in opposite directions or opposing swing with described front truck leg 3.Simultaneously, between two described back car legs 6 since described rear linking rod 14 be connected described back installation shaft 5 or more the position and another is connected the position of installation shaft 5 below, described back, so carry out the swing that front and back replace.At this moment, described walking vehicle has certain undulatory motion, gives the sensation that animal is walked about.Simultaneously, do in the process of swing in opposite directions or opposing swing with respect to described vehicle frame 1 at one of described front truck leg 3 and described back car leg 6, owing to be arranged on the restriction of the described free-wheel clutch 8 between described back car leg 6 and the described rear wheel 7, make back car leg 6 can only do forward mobile.Along with the swing of described front truck leg 3 and described back car leg 6, described walking vehicle is pushed ahead step by step like this.
Fig. 4 shows power driven walking vehicle second embodiment of the present utility model, comprises a vehicle frame 1; Be installed in a pair of front truck leg 3 of described vehicle frame 1 both sides pivotally by preceding installation shaft 2, the lower end of described front truck leg 3 is separately installed with a front vehicle wheel 4; Be installed in a pair of back car leg 6 of described vehicle frame 1 both sides pivotally by back installation shaft 5, the lower end of described back car leg 6 is separately installed with a rear wheel 7; Described rear wheel 7 is installed on the described separately back car leg 6 by the click flywheel as free-wheel clutch 8 respectively; One be installed on the described vehicle frame 1 by one with the storage battery be the energy electrical motor 15, one with described before installation shaft 2 and described back installation shaft 5 be installed in the main power plant that rotating power take-off shaft 10 and chain sprocket reduction gearing mechanism 16 are formed on the described vehicle frame 1 abreast; The crank journal part 11 of described power take-off shaft 10 is installed on the described vehicle frame 1 rotationally, be formed separately the parallel of an axis and described crank journal part 11 at the two ends of described crank journal part 11, and the conrod journal 12 on same straight line not, the axis of the described conrod journal 12 of wherein said vehicle frame 1 both sides and the axis of described crank journal part 11 are along opposite deviation in driction; A pair of front rod 13 connects described conrod journal 12 and two described front truck legs 3 with the form of piston crank mechanism; A pair of rear linking rod 14 connects described conrod journal 12 in both sides and two described back car legs 6 with the form of piston crank mechanism; The described front rod 13 of described vehicle frame 1 one sides and described rear linking rod 14 co-rotation be connected on the corresponding described conrod journal 12 (referring to Fig. 5).
Described front rod 13 with being connected of described front truck leg 3 described before the position of installation shaft 2 below, and described rear linking rod 14 with being connected of described back car leg 6 described after the position of installation shaft more than 5.
Described vehicle frame 1 is by front vehicle frame 1 ' and back vehicle frame 1 " form, described front vehicle frame 1 ' is with described back vehicle frame 1 " be rotatably connected to by a vertical connection rotating shaft 17; Described front rod 13 and described rear linking rod 14 by being connected on the described conrod journal 12 with being sleeved on shared axle sleeve 18 co-rotation on the described conrod journal 12 rotationally, one end of wherein said front rod 13 is connected on the described shared axle sleeve 18 by universal-joint 19, and the other end is connected on the described front truck leg 3 (referring to Fig. 6) by universal-joint 19 '; One end of described rear linking rod 14 is captiveed joint with described shared axle sleeve 18, and the other end is connected with described back car leg 6 by a bearing pin.Described main power plant is installed in described back vehicle frame 1 " on.On one of described front and back wheel 7, be equipped with and quicken engine installation 20 (referring to Fig. 7).On described front truck leg 3, steering fork mechanism 21 is installed.
In use, described electrical motor 15 starts, and drives described power take-off shaft 10 by described reduction gearing mechanism and rotates, and then drive described conrod journal 12 and make circumference and rotate.At this moment, be installed in described front rod 13 and described rear linking rod 14 on the described conrod journal 12 rotationally by described shared axle sleeve 18, circumference rotation with described conrod journal 12 drives described front truck leg 3 and described back car leg 6 separately, do swing or opposing swing in opposite directions with respect to described vehicle frame 1, because the axis of the axis of described conrod journal 12 and described crank journal part 11 is along opposite deviation in driction, the swaying direction of the feasible corresponding mechanism that is arranged on described vehicle frame 1 both sides is opposite.At this moment, described walking vehicle has certain undulatory motion equally, gives the sensation that animal is walked about.Simultaneously, do in the process of swing in opposite directions or opposing swing with respect to described vehicle frame 1 at described front truck leg 3 and described back car leg 6, owing to be arranged on the restriction of the described free-wheel clutch 8 between described back car leg 6 and the described rear wheel 7, make back car leg 6 can only do forward mobile.Along with the swing of described front truck leg 3 and described back car leg 6, described walking vehicle is pushed ahead step by step like this.When meeting the walking pavement roughness, owing to vertically connect rotating shaft 17 and the mating reaction by described universal-joint 19, the described front rod 13 of 19 ' bonded assembly, four wheels of described vehicle frame 1 can be landed simultaneously, therefore make that the walking of described walking vehicle is more steady, safety.Start described acceleration engine installation 20 when needed, can improve the speed of described walking vehicle, make described walking vehicle can be on flat road surface or the upward slope road surface up walk faster.Handling described steering hardware when needs turn to turns to.
Fig. 8 shows power driven walking vehicle the 3rd embodiment of the present utility model, comprises a vehicle frame 1; Be installed in a pair of front truck leg 3 of described vehicle frame 1 both sides pivotally by preceding installation shaft 2, the lower end of described front truck leg 3 is separately installed with a front vehicle wheel 4; Be installed in a pair of back car leg 6 of described vehicle frame 1 both sides pivotally by back installation shaft 5, the lower end of described back car leg 6 is separately installed with a rear wheel 7; Described rear wheel 7 is installed on the car leg 6 of described separately back (equally referring to Fig. 2) by the click flywheel as free-wheel clutch 8 respectively; One is installed on the described vehicle frame 1 by one is the electrical motor 15, of the energy and the main power plant that reductor 22 is formed with the storage battery.The output shaft of described reductor 22 is as power take-off shaft 10, itself and described before installation shaft 2 and described back installation shaft 5 abreast and be installed in rotation on the described vehicle frame 1.The crank journal part 11 of described power take-off shaft 10 is installed on the described reductor 22 rotationally, be formed with the parallel of an axis and described crank journal part 11 respectively in the end of described crank journal part 11, and the conrod journal 12 on same straight line not, the axis of the described conrod journal 12 of wherein said vehicle frame 1 both sides and the axis of described crank journal part 11 are along opposite deviation in driction; A pair of front rod 13 connects described conrod journal 12 and two described front truck legs 3 with the form of piston crank mechanism; A pair of rear linking rod 14 connects described conrod journal 12 in both sides and two described back car legs 6 with the form of piston crank mechanism; The described front rod 13 of described vehicle frame 1 one sides and described rear linking rod 14 co-rotation be connected on the corresponding described conrod journal 12 (referring to Fig. 5).
Described front rod 13 with being connected of described front truck leg 3 described before the position of installation shaft 2 below, and described rear linking rod 14 with being connected of described back car leg 6 described after the position of installation shaft more than 5.
Described vehicle frame 1 is by front vehicle frame 1 ' and back vehicle frame 1 " form, described front vehicle frame 1 ' is with described back vehicle frame 1 " be rotatably connected to by a vertical connection rotating shaft 17; Described front rod 13 and described rear linking rod 14 by being connected on the described conrod journal 12 with being sleeved on shared axle sleeve 18 co-rotation on the described conrod journal 12 rotationally, one end of wherein said front rod 13 is connected on the described shared axle sleeve 18 by universal-joint 19, and the other end is connected on the described front truck leg 3 by universal-joint 19 ', and this universal-joint 19 ' then is installed in rotation on the described front truck leg 3 (as shown in Figure 9) by a vertical bearing pin 25 that passes the pin shaft hole 24 on the described front truck leg 3; One end of described rear linking rod 14 is captiveed joint with described shared axle sleeve 18, and the other end is connected with described back car leg 6 by a bearing pin.Described main power plant is installed in described back vehicle frame 1 " on.On one of described front and back wheel 7, be equipped with and quicken engine installation 20 (referring to Fig. 7).On described front truck leg 3 steering fork mechanism 21 is installed, described steering fork mechanism 21 turns under the control of handlebar 23.
In use, described electrical motor 15 starts, and drives described reductor 22, and described power take-off shaft 10 is rotated, and then drives described conrod journal 12 and make circumference and rotate.Because universal-joint 19 ' is installed in rotation on the described front truck leg 3 by a vertical bearing pin 25 that passes the pin shaft hole 24 on the described front truck leg 3, make that walking more flexibly, steadily on irregular road surface.Other concrete working process is identical with the related description of second embodiment.
For the those of ordinary skill of described technical field, obviously can use the pin type universal-joint in the alternative the foregoing description of sphere formula universal-joint.In addition, it also is conspicuous the described electrical motor 15 among second and third embodiment being replaced with engine petrol.Even the drive form of employing bicycle pedal, there is not any problem yet.
Obviously, the foregoing description of the present utility model only is for the utility model example clearly is described, and is not to be qualification to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all embodiments.And these belong to conspicuous variation or the change that spirit of the present utility model extended out and still are among the protection domain of the present utility model.
Claims (8)
1. a power driven walking vehicle comprises
A vehicle frame;
Be installed in front truck leg on the described vehicle frame pivotally by preceding installation shaft, the lower end of described front truck leg is equipped with front vehicle wheel;
Be installed in back car leg on the described vehicle frame pivotally by the back installation shaft, the lower end of described back car leg is equipped with rear wheel;
At least be installed in the free-wheel clutch between one of described front and back wheel and the corresponding car leg;
A main power plant that is installed on the described vehicle frame, the power take-off shaft of described main power plant is a crankshaft component, constitute by crank journal part and the conrod journal that is fixed on the described crank journal part, be installed on the described vehicle frame, described crank journal part is with the parallel axes of described conrod journal and not on same straight line the described main shaft neck part component of rotation; Described crank journal part is parallel with described back installation shaft with described preceding installation shaft;
Described front rod and described rear linking rod are connected on the same described conrod journal;
It is characterized in that
Front rod, the one end is connected rotationally with described conrod journal, and the other end is connected rotationally with described front truck leg;
Rear linking rod, the one end is connected rotationally with described conrod journal, and the other end is connected rotationally with described back car leg;
Described front rod and described rear linking rod are connected on the same described conrod journal;
Under the crankshaft component of described main power plant drives, described front rod and described rear linking rod drive described front truck leg and described back car leg reciprocally near or away from.
2. power driven walking vehicle according to claim 1, it is characterized in that one of described front rod and described rear linking rod and position below the described installation shaft of being connected of corresponding described car leg, and another and corresponding described car leg be connected the above position of described installation shaft.
3. power driven walking vehicle according to claim 2, it is characterized in that described front rod and described rear linking rod are connected on the described conrod journal rotationally by the shared axle sleeve that is sleeved on rotationally on the described conrod journal, one of described front rod and described rear linking rod are pivotally connected to described shared axle sleeve around an axle that is parallel to described conrod journal, and another is captiveed joint with described axle sleeve.
4. power driven walking vehicle according to claim 1 is characterized in that described main power plant comprises that an electrical motor and one have motor-operated reductor, and the output shaft of described reductor is as the described power take-off shaft of described main power plant.
5. according to any described power driven walking vehicle in the claim 1 to 4, it is characterized in that being separately installed with in the both sides of described vehicle frame a described front truck leg of cover and described back car leg and corresponding bent axle and connecting rod mechanism, the axis of wherein said conrod journal and the axis of described power take-off shaft are along opposite deviation in driction.
6. power driven walking vehicle according to claim 5 is characterized in that described vehicle frame is made up of front vehicle frame and back vehicle frame, and described front vehicle frame is rotatably connected to by a vertical adapter shaft with described back vehicle frame; The described front rod that is pivotally connected to described shared axle sleeve or the two ends of described rear linking rod are connected with corresponding parts by universal-joint; Described main power plant is installed in respectively on described front vehicle frame and the described back vehicle frame with one of the described front rod that is pivotally connected to described shared axle sleeve by universal-joint or described rear linking rod.
7. power driven walking vehicle according to claim 1 is characterized in that being equipped with the acceleration engine installation on one of described front and back wheel.
8. power driven walking vehicle according to claim 1 is characterized in that on described front truck leg steering fork mechanism being installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520000338 CN2764693Y (en) | 2005-01-10 | 2005-01-10 | Power driven baby walking frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520000338 CN2764693Y (en) | 2005-01-10 | 2005-01-10 | Power driven baby walking frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2764693Y true CN2764693Y (en) | 2006-03-15 |
Family
ID=36167612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520000338 Expired - Fee Related CN2764693Y (en) | 2005-01-10 | 2005-01-10 | Power driven baby walking frame |
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| Country | Link |
|---|---|
| CN (1) | CN2764693Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107531263A (en) * | 2015-09-11 | 2018-01-02 | 康贝株式会社 | The universal joint and perambulator with lock function of trolley |
-
2005
- 2005-01-10 CN CN 200520000338 patent/CN2764693Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107531263A (en) * | 2015-09-11 | 2018-01-02 | 康贝株式会社 | The universal joint and perambulator with lock function of trolley |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |