CN206044949U - Electric massage chair - Google Patents
Electric massage chair Download PDFInfo
- Publication number
- CN206044949U CN206044949U CN201620634710.4U CN201620634710U CN206044949U CN 206044949 U CN206044949 U CN 206044949U CN 201620634710 U CN201620634710 U CN 201620634710U CN 206044949 U CN206044949 U CN 206044949U
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- China
- Prior art keywords
- ratchet
- arm
- drive shaft
- fixed
- seat cushion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Percussion Or Vibration Massage (AREA)
Abstract
The utility model discloses a kind of electric massage chair, which includes back frame, seat cushion frame, base, arm-massage portion and motor；Motor peace turns, below seat cushion frame, to realize the transmission of motion by chain；Seat cushion frame arranges a final drive shaft, and one end of final drive shaft arranges cam；Arm-massage portion includes arm massaging machine frame, arm massager and compressor, and arm massaging machine frame is arranged in seat cushion frame, and its upper end is fixed with arm massager, and which passes through mechanism and can realize lifting；Arm massager is air sac type structure, provides gas by compressor.Electric massage chair disclosed in this utility model, its, simple structure, low production cost, it is easy to maintenance maintenance；Which can hide arm massager, and function is more complete, and save space is elegant in appearance.
Description
Technical field
This utility model is related to the technical field of massage appliance, specifically a kind of electric massage chair, more particularly to machine
Tool drive mechanism.
Background technology
As the development of society, life of the people to health, happiness are increasingly paid attention to, the crowd's QI and blood sat up straight for a long time is followed
Ring is not smooth, and muscle is easily ached, spiritual fatiguability, and massages the good method for exactly solving this problem.However, currently on the market
Massage armchair function more fix, it is difficult to according to the demand of different user provide diversity service.Such as surgeon etc.
Long-time standing is needed in operation and arm is very tired, which is more likely to the foot-operated massage with arm-massage function
Chair；And some user desirably employ arm-massage in the case of then not needing arm-massage or only a part at all.
In view of the different demand of user, it is necessary to develop a kind of electric massage chair that can hide arm massager, with
Meet the demand of different users or user under different situations.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of electric massage chair, its can as needed, hide or
Show arm massager.
To solve above-mentioned technical problem, the technical solution adopted in the utility model is to provide a kind of electric massage chair, its bag
Include back frame, seat cushion frame, base, arm-massage portion and motor；
Motor is installed on the electric machine support below seat cushion frame, and by speed-regulating switch control, and master is fixed with motor shaft
Sprocket wheel；
Seat cushion frame arranges a final drive shaft and seat cushion counter drive shaft, and the middle part of final drive shaft has a middle part sprocket wheel, its
Side is fixed with a final drive shaft side chain wheel.Wherein, middle part sprocket wheel is connected by chain with head sprocket.Seat cushion counter drive shaft sets
It is equipped with seat cushion counter drive shaft side chain wheel；Transfer power transmission shaft is set with the joint portion of back frame in seat cushion frame, the transfer is driven
Axle is provided with a transfer transmission shaft-side sprocket wheel sum and positioned at end transfer transmission shaft end sprocket wheel.Final drive shaft side chain wheel with
Seat cushion counter drive shaft side chain wheel, transfer transmission shaft-side sprocket wheel point-blank and by a chain are connected, and realize fortune
Dynamic transmission.
Back frame is provided with several back counter drive shafts and a fixing end sprocket wheel for being located at back upper rack, back pair
Massage wheels are provided with power transmission shaft, massage wheels can be rotated with the rotation of back counter drive shaft；The one of back counter drive shaft
End is provided with back auxiliary driving shaft end sprocket wheel, back auxiliary driving shaft end sprocket wheel and transfer transmission shaft end sprocket wheel, fixing end sprocket wheel
Connection is realized on same straight line and by a chain, the synchronous conduction of motion is realized；
Arm-massage portion includes arm massaging machine frame, arm massager and compressor, wherein, arm massaging machine frame is arranged on
In seat cushion frame, its upper end is fixed with arm massager；Arm massager is Pneumatic massage device, provides compressed gas by compressor
Body, is connected by pressure pipeline between the air bag and compressor of arm massager.
One end of final drive shaft is provided with cam or bent axle, when final drive shaft is rotated, with moving cam or crank rotation, convex
Wheel or bent axle can drive the piston of compressor to move back and forth；The gas pulsation that reciprocating motion of the pistons is produced is passed by pipeline
Air bag is passed, makes arm massager work.
Arm massaging machine frame separates control comprising reciprocatingly slide supporting mechanism, ratchet retaining mechanism of arm massager with ratchet
Mechanism, wherein：Arm massager reciprocatingly slides supporting mechanism comprising sliding axle, stage clip, sleeve block and installing plate, and installing plate is fixed
In seat cushion frame, sleeve block is fixed on a mounting board, and the upper end of sliding axle is fixed on arm massager, the lower end of sliding axle
Through sleeve block, stage clip is wound on sliding axle；
Ratchet retaining mechanism includes ratchet, ratchet, ratchet stage clip, ratchet limited post and ratchet fixed seat, ratchet fixed seat
The lower end of arm massager is fixed on, ratchet rotates parafacies connection with ratchet fixed seat, and ratchet limited post is located at ratchet side and consolidates
It is scheduled in ratchet fixed seat, one end of ratchet stage clip is fixed in ratchet fixed seat, and other end is stuck in the pawl of ratchet, spine
Wheel is fixed on installing plate；
Ratchet separates controlling organization and includes resetting block, lower limit post and upper limit post, and resetting block is arranged on the outside of ratchet
Lower section, connection end and the tong installing plate of resetting block rotate parafacies connection, and the free end of resetting block extends through the tooth tip of ratchet, ratchet
Pawl head be cam shape pawl head, the cam shape pawl head of ratchet is withstood on the free end of resetting block in ratchet released state, under
Limited post and upper limit post are separately positioned on the upper and lower both sides of resetting block and fix on a mounting board.
Further, the surface of the massage wheels is provided with the round dot of projection.
Further, the left and right sides of the back frame are provided with stopper slot, and the width of stopper slot can be by adjusting
Section mechanism is adjusted；The two ends of back counter drive shaft are fixed with bearing, and bearing is fixed in stopper slot, thus, work as will be spacing
The width adjusting of groove to it is slightly loose when, back counter drive shaft can carry out axial movement along back frame, and then adjust the back of the body
Position of portion's counter drive shaft in the frame of back；
Further, massage wheels are set on seat cushion counter drive shaft；
Further, there are several salient points the part that the air bag of arm massager is contacted with arm, its surface distributed, and these are convex
Point is distributed according to the acupuncture point in human arm.
Further, the installing plate is fixed in seat cushion frame by welding or screw.
Further, ratchet fixed seat is fixed by welding in the lower end of arm massager.
What the treadle type massage armchair of the arm massager hidden that this utility model is provided can be reached has the technical effect that：
1st, simple structure, low production cost, and for ease of maintenaince safeguard；
2nd, user choosing whether to carry out arm-massage according to personal inclination, and can be determined arm massager is hidden
Hide or manifest, operation is very simple, and save space；It is not only function more various, and causes overall structure more beautiful
See generous.
Description of the drawings
Fig. 1 is the structural representation of the electric massage chair that this utility model is provided.
Fig. 2 is stopper slot schematic diagram of the present utility model.
Fig. 3 is the structural scheme of mechanism of compressor of the present utility model.
Fig. 4 is the structural representation of arm massaging machine frame of the present utility model.
In Figure of description, the implication of used symbol is explained as follows：
1 back counter drive shaft 11 of back frame
111 massage wheels 112 of back auxiliary driving shaft end sprocket wheel
113 fixing end sprocket wheel 12 of bearing
13 seat cushion frame 2 of stopper slot
21 cam 211 of final drive shaft
Middle part 212 final drive shaft side chain wheel 213 of sprocket wheel
22 transfer transmission shaft-side sprocket wheel 221 of transfer power transmission shaft
Transfer is driven 222 seat cushion counter drive shaft 23 of shaft end sprocket wheel
231 base 3 of seat cushion counter drive shaft side chain wheel
4 arm massager 41 of arm-massage portion
42 cam shape pawl head 4201 of arm massaging machine frame
4202 sleeve block 4203 of installing plate
4204 sliding axle 4205 of stage clip
4206 lower limit post 4207 of resetting block
4208 ratchet 4209 of upper limit post
4210 ratchet limited post 4211 of ratchet
4212 ratchet stage clip 4213 of ratchet fixed seat
4214 compressor 43 of tooth tip
Top 431 compression springs 432 of plug
433 pressure output 4331 of cylinder
434 connecting rod 435 of piston
5 head sprocket 51 of motor
52 speed-regulating switch 53 between motor.
Specific embodiment
There is to principle of the present utility model, method and effect more intuitively understanding to make auditor, now being embodied as
The form of mode explains as follows to this utility model：
This utility model provide a kind of electric massage chair, it include back frame 1, seat cushion frame 2, base 3, arm by
Rub portion 4 and motor 5；
Motor 5 is installed on the electric machine support 52 below seat cushion frame 2, and is connected with speed-regulating switch 53 by wire, electricity
Head sprocket 51 is fixed with arbor, when motor is rotated, head sprocket 51 is rotated also with the rotation of motor shaft.
In the specific implementation, seat cushion frame 2 arranges a final drive shaft 21 and seat cushion counter drive shaft 23, the middle part of final drive shaft
With a middle part sprocket wheel 212, its side is fixed with a final drive shaft side chain wheel 213.Wherein, middle part sprocket wheel 212 and head sprocket
51 are connected by chain.Seat cushion counter drive shaft 23 is provided with seat cushion counter drive shaft side chain wheel 231；In seat cushion frame 2 and back machine
The joint portion of frame 1 arranges transfer power transmission shaft 22, the transfer power transmission shaft 22 is provided with 221 sum of a transfer transmission shaft-side sprocket wheel and position
In the transfer transmission shaft end sprocket wheel 222 of end.Final drive shaft side chain wheel 213 is passed with seat cushion counter drive shaft side chain wheel 231, transfer
Moving axis side chain wheel 221 point-blank and by a chain is connected, and realizes the transmission of motion.
Back frame 1 is provided with several back counter drive shafts 11 and a fixing end sprocket wheel 12 for being located at back upper rack,
Massage wheels 112 are provided with back counter drive shaft 11, massage wheels 112 can be rotated with the rotation of back counter drive shaft 11,
Its surface is provided with the round dot of projection, and the top of round dot forms a depressed part, the embedded mineral original stone of the depressed part, and then realizes to the back of the body
Portion and the massage of waist.One end of back counter drive shaft 11 is provided with back auxiliary driving shaft end sprocket wheel 111, back counter drive shaft
End sprocket wheel 111 is on same straight line with transfer transmission shaft end sprocket wheel 222, fixing end sprocket wheel 12 and realizes connecting by a chain
Connect, realize the synchronous conduction of motion.
Arm-massage portion 4 includes arm massaging machine frame 42, arm massager 41 and compressor 43, wherein, arm massaging machine
Frame 42 is arranged in seat cushion frame 2, and its upper end is fixed with arm massager 41；Arm massager 41 is Pneumatic massage device, by
Compressor 43 provides compressed gas, is connected by pressure pipeline between the air bag and compressor 43 of arm massager 41.
Compressor includes top plug 431, compression spring 432, cylinder 433, piston 434 and connecting rod 435, one end of connecting rod 435
It is fastened in the draw-in groove of top plug 431, the other end is fixedly connected with piston 434；Compression spring 432 is set on connecting rod 435, and which sets
It is placed between cylinder 433 and top plug 431, in compressive state；The end of cylinder has a pressure output 4331, and the pressure is defeated
Outlet 4331 is connected by pressure pipeline with air bag 4110/4120.One end of final drive shaft 21 is provided with cam 211, and this is convex
Wheel 211 is contacted with each other with the top plug 431 of compressor 43.Thus, when final drive shaft 21 is rotated, band moving cam 211 is rotated, and then
Realize the reciprocating motion of piston 434；The gas pulsation that reciprocating motion of the pistons is produced passes to air bag 4110/4120 by pipeline,
Arm massager 41 is made to work.
Arm massaging machine frame 42 separates control comprising reciprocatingly slide supporting mechanism, ratchet retaining mechanism of arm massager with ratchet
Mechanism processed, wherein：
Described arm massager reciprocatingly slides supporting mechanism comprising sliding axle 4205, stage clip 4204,4203 and of sleeve block
Installing plate 4202, installing plate 4202 are fixed in seat cushion frame 2 by through hole 42021, and sleeve block 4203 is fixed on installing plate
On 4202, upper end and the arm massager 41 of sliding axle 4205 interfix, and the lower end of sliding axle 4205 passes through sleeve block 4203,
Stage clip 4204 is wound on sliding axle 4205；
Ratchet retaining mechanism is solid comprising ratchet 4209, ratchet 4210, ratchet stage clip 4213, ratchet limited post 4211 and ratchet
Reservation 4212, ratchet fixed seat 4212 are fixed on the lower end of arm massager 41, and ratchet 4210 is rotated with ratchet fixed seat 4212
Parafacies joins, and ratchet limited post 4211 is located at 4210 side of the ratchet and is fixed in the ratchet fixed seat 4212, ratchet pressure
One end of spring 4213 is fixed in ratchet fixed seat 4212, and other end is stuck in the pawl of ratchet 4210, and ratchet 4209 is installed
It is fixed on installing plate 4202；
Ratchet separates controlling organization and includes resetting block 4206, lower limit post 4207 and upper limit post 4208, resetting block 4206
The outer side-lower of ratchet 4209 is arranged on, connection end and the installing plate 4202 of resetting block 4206 rotate parafacies connection, the resetting block
4206 free end extends through the tooth tip 4214 of ratchet 4209 slightly, and the pawl head of ratchet 4210 is cam shape pawl head 4201, makes spine
The cam shape pawl head 4201 of pawl is withstood in ratchet released state on the free end of resetting block 4206, lower limit post 4207 and the upper limit
Position post 4208 is separately positioned on 4206 upper and lower both sides of resetting block and is fixed on installing plate 4202.
When user need not use arm-massage, arm massager 41 is just hidden in the handrail of massage armchair, also
It is that arm massaging machine frame 42 is in minimum state, at this moment the stage clip 4204 on two sliding axles 4205 is in compressive state, ratchet
4210 and 4209 one-tenth interlocking patterns of ratchet, ratchet 4210 is close to ratchet 4209 in the presence of 4213 elastic force of ratchet stage clip, multiple
Position block 4206 and ratchet 4210 in separating not contact condition, resetting block 4206 under own wt effect, resetting block 4206
Lower surface is supported on lower limit post 4207.
When user is needed using arm-massage, it is only necessary to handss by arm massager 41 pressing down gently, when to
When being depressed into certain distance, the cam shape pawl head 4201 of ratchet 4210 touches the right-hand member of resetting block 4206, in ratchet stage clip
In the presence of 4213 elastic force, the cam shape pawl head 4201 of ratchet 4210 is close to the right-hand member of resetting block 4206, make ratchet 4210 with
Resetting block 4206 is integrally formed, and ratchet retaining mechanism is in released state.At this moment arm massager 41, arm-massage are just unclamped
Device 41 starts to ramp up in the presence of 4204 elastic force of stage clip on two sliding axles 4205 with ratchet 4210, ratchet 4210
Rotate counterclockwise with resetting block 4206 while moving up, when upper surface and the upper limit post 4208 of resetting block 4206 are contacted
When, resetting block 4206 stops operating, and the part such as arm massager 41, sliding axle 4205 and ratchet 4210 is in 4204 elastic force of stage clip
Effect is lower to be continued to rise, and when certain altitude is risen to, ratchet 4210 is separated with resetting block 4206, and resetting block 4206 is in gravity
Rotate down under effect, stop when 4206 lower surface of resetting block is contacted with lower limit post 4207；41 grade part of arm massager
Continue to rise, stop when the greatest length of sliding axle 4205 is raised to, at this moment the left surface of ratchet 4210 is in ratchet stage clip 4213
Elastic force effect under press with ratchet limited post 4211 on.
As long as after using complete arm-massage, handle arm masseur 41 is pinned downwards and is not put, until ratchet 4210 and spine
4209 locking of wheel can just be unclamped later, and so whole arm massaging machine frame is then restored to original position.
In the other embodiment of the present invention, the left and right sides of back frame 1 are provided with stopper slot 13, and stopper slot 13
Width can be adjusted by governor motion；The two ends of back counter drive shaft 11 are fixed with bearing 113, and bearing 113 is fixed
In stopper slot 13, thus, when by the width adjusting of stopper slot to it is slightly loose when, back counter drive shaft 11 i.e. can be along back machine
Frame 1 carries out axial movement, and then adjusts position of the back counter drive shaft 11 in back frame 1 so that user can be with root
According to personal health and demand adjustment massage armchair, targetedly massaged.
In the other embodiment of the present invention, the part that the air bag of arm massager is contacted with arm, its surface distributed
Have several salient points, these salient points according in human arm acupuncture point be distributed, the salient point be flexible silicon glue material matter, the lumen loading of salient point
There are air or other gases, thus, the massage at the acupuncture point to arm segment can be realized while massage arm, further promote
Enter blood circulation and improve health；These salient points can also be made using the material compared with hard.
In other embodiment of the present utility model, the back frame is connected by seat cushion link with seat cushion frame, seat
Pad connecting rod is provided with torque spring and corner fixes screw thread, fixes the folder of threaded adjusting back frame and seat cushion frame by corner
Angle.Back frame and seat cushion frame angle can be adjusted to back frame and seat cushion frame in same level from plumbness.
In other embodiment of the present utility model, medicated cushion counter drive shaft arranges massage wheels, and so, it is right to realize
The massage of buttocks and thigh.
In other embodiment of the present utility model, multiple compressoies can be set, this can provide more compressions
Gas-powered air bag；In certain embodiments, respectively to an air bag supply, this can enable each air bag to each compressor
It is enough independently to realize massage functions so that overall massage effect is more uniformly distributed.
A kind of electric massage chair that this utility model is provided, simple structure, low production cost, it is easy to maintenance maintenance；Use
Person while leg exercise is realized and carry out waist and back massage can select to carry out arm-massage；Function is more complete；User can
It is when practical arm-massage function is not intended to, arm massager is hidden in handrail, simple to operate, and save space.
As above be only one of the present utility model and be preferably carried out mode, according to this utility model principle disclosed, method,
Drawings and Examples, those skilled in the art easily can obtain other embodiment by deformation or equivalent substitution,
These are regarded as a part of the present utility model.
Claims (7)
1. a kind of electric massage chair, it is characterised in which includes back frame, seat cushion frame, base, arm-massage portion and electricity
Machine；
Motor is installed on the electric machine support below seat cushion frame, and by speed-regulating switch control, and head sprocket is fixed with motor shaft；
Seat cushion frame arranges a final drive shaft and seat cushion counter drive shaft, and the middle part of final drive shaft has a middle part sprocket wheel, its side
It is fixed with a final drive shaft side chain wheel；Wherein, middle part sprocket wheel is connected by chain with head sprocket；Seat cushion counter drive shaft is provided with
Seat cushion counter drive shaft side chain wheel；Transfer power transmission shaft is set with the joint portion of back frame in seat cushion frame, the transfer power transmission shaft sets
It is equipped with a transfer transmission shaft-side sprocket wheel sum and positioned at end transfer transmission shaft end sprocket wheel；Final drive shaft side chain wheel and seat cushion
Counter drive shaft side chain wheel, transfer transmission shaft-side sprocket wheel point-blank and by a chain are connected, and realize motion
Transmission；
Back frame is provided with several back counter drive shafts and a fixing end sprocket wheel for being located at back upper rack, back auxiliary driving
Massage wheels are provided with axle, massage wheels can be rotated with the rotation of back counter drive shaft；One end of back counter drive shaft is equal
Back auxiliary driving shaft end sprocket wheel is provided with, back auxiliary driving shaft end sprocket wheel is in transfer transmission shaft end sprocket wheel, fixing end sprocket wheel
Connection is realized on same straight line and by a chain, the synchronous conduction of motion is realized；
Arm-massage portion includes arm massaging machine frame, arm massager and compressor, wherein, arm massaging machine frame is arranged on seat cushion
In frame, its upper end is fixed with arm massager；Arm massager is Pneumatic massage device, provides compressed gas by compressor,
It is connected by pressure pipeline between the air bag and compressor of arm massager；
One end of final drive shaft is provided with cam or bent axle, when final drive shaft is rotated, band moving cam or crank rotation, cam or
Bent axle drives the piston of compressor to move back and forth；The gas pulsation that reciprocating motion of the pistons is produced passes to gas by pipeline
Capsule, makes arm massager work；
Arm massaging machine frame separates control machine with ratchet comprising reciprocatingly slide supporting mechanism, ratchet retaining mechanism of arm massager
Structure, wherein, arm massager reciprocatingly slides supporting mechanism comprising sliding axle, stage clip, sleeve block and installing plate, and installing plate is fixed on
In seat cushion frame, sleeve block is fixed on a mounting board, and the upper end of sliding axle is fixed on arm massager, and the lower end of sliding axle is worn
Sleeve block is crossed, stage clip is wound on sliding axle；
Ratchet retaining mechanism includes ratchet, ratchet, ratchet stage clip, ratchet limited post and ratchet fixed seat, and ratchet fixed seat is fixed
In the lower end of arm massager, ratchet rotates parafacies connection with ratchet fixed seat, and ratchet limited post is located at ratchet side and is fixed on
In ratchet fixed seat, one end of ratchet stage clip is fixed in ratchet fixed seat, and other end is stuck in the pawl of ratchet, ratchet peace
Dress is fixed on a mounting board；
Ratchet separates controlling organization and includes resetting block, lower limit post and upper limit post, and resetting block is arranged on the outer side-lower of ratchet,
The connection end of resetting block rotates parafacies connection with tong installing plate, and the free end of resetting block extends through the tooth tip of ratchet, the pawl of ratchet
Head is cam shape pawl head, the cam shape pawl head of ratchet is withstood on the free end of resetting block in ratchet released state, lower limit
Post and upper limit post are separately positioned on the upper and lower both sides of resetting block and fix on a mounting board.
2. electric massage chair as claimed in claim 1, it is characterised in that the left and right sides of the back frame are provided with spacing
Groove, and the width of stopper slot can be adjusted by governor motion；The two ends of back counter drive shaft are fixed with bearing, and bearing is solid
It is scheduled in stopper slot.
3. electric massage chair as claimed in claim 1, it is characterised in that massage wheels are set on seat cushion counter drive shaft.
4. electric massage chair as claimed in claim 1, it is characterised in that the surface of the massage wheels is provided with the round dot of projection.
5. electric massage chair as claimed in claim 1, it is characterised in that what the air bag of the arm massager was contacted with arm
There are several salient points part, its surface distributed, and these salient points are distributed according to the acupuncture point in human arm.
6. electric massage chair as claimed in claim 1, it is characterised in that the installing plate fixes present by welding or screw
In pad frame.
7. electric massage chair as claimed in claim 1, it is characterised in that ratchet fixed seat is fixed by welding in arm-massage
The lower end of device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620634710.4U CN206044949U (en) | 2016-06-24 | 2016-06-24 | Electric massage chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620634710.4U CN206044949U (en) | 2016-06-24 | 2016-06-24 | Electric massage chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206044949U true CN206044949U (en) | 2017-03-29 |
Family
ID=58372385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620634710.4U Expired - Fee Related CN206044949U (en) | 2016-06-24 | 2016-06-24 | Electric massage chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206044949U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110251378A (en) * | 2019-05-27 | 2019-09-20 | 北京联合大学 | A kind of double drive mode is helped the elderly massage armchair and its working method of helping the disabled |
-
2016
- 2016-06-24 CN CN201620634710.4U patent/CN206044949U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110251378A (en) * | 2019-05-27 | 2019-09-20 | 北京联合大学 | A kind of double drive mode is helped the elderly massage armchair and its working method of helping the disabled |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170329 Termination date: 20200624 |
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| CF01 | Termination of patent right due to non-payment of annual fee |