CN107568971A - A kind of electric up-down swivel chair - Google Patents
A kind of electric up-down swivel chair Download PDFInfo
- Publication number
- CN107568971A CN107568971A CN201710980766.4A CN201710980766A CN107568971A CN 107568971 A CN107568971 A CN 107568971A CN 201710980766 A CN201710980766 A CN 201710980766A CN 107568971 A CN107568971 A CN 107568971A
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- rotary table
- swivel chair
- electric
- circle
- seat support
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Abstract
The present invention relates to a kind of swivel chair, more particularly, to a kind of electric up-down swivel chair.A kind of electric up-down swivel chair, including pedestal, seat support, the chair back and handrail, the bottom of the chair back is connected with the side of seat support, seat support lower end is provided with rotating device, rotating device includes top rotary table and lower rotary table, top rotary table is arranged on seat support lower end, the lower surface of top rotary table is provided with upper bearing (metal) circle, the lower bearing circle matched with upper bearing (metal) circle is provided with the upper surface of lower rotary table, ring raceway is formed between upper bearing (metal) circle and lower bearing circle, ball is provided with ring raceway, there is gap between two neighboring ball, top rotary table is connected by rotating shaft group with lower rotary table, lowering or hoisting gear is connected between lower rotary table and pedestal, handrail is arranged on seat support, controller is provided with the downside of handrail.The verticity of the present invention is good, simple to operate when to swivel chair highly adjust, time saving and energy saving, safe.
Description
Technical field
The present invention relates to a kind of swivel chair, more particularly, to a kind of electric up-down swivel chair.
Background technology
Height-adjusting swivel chair in the market is pressure liftable type swivel chair mostly, and swivel chair divides cushion, atmospheric pressure pole and runner 3
Point.There is individual cylinder inside atmospheric pressure pole, the piston rod in cylinder, which moves up and down, to be dominated swivel chair and lift.Filling in atmospheric pressure pole is nitrogen
Gas.The principle of air pressure chair just as one also be less than blast critical point balloon, when being squeezed inside pressure accumulation be increased by, when more than
It may be exploded during critical point, although easy to use, the security of this pressure liftable type swivel chair is relatively low, it is possible to can occur
Blast.
As Chinese patent publication No. is:The A of CN 102415725, on 04 18th, 2012 announce keep flat activity
Armrest back height-adjusting swivel chair, the chair are mainly made up of road wheel, chassis, elevating lever, air pressure rod, seat, handrail and backrest;The liter
Drop swivel chair has a flat seat, and the bottom of the seat, which is linked in sequence, elevating lever, air pressure rod, chassis and road wheel.Should
The air pressure rod security that swivel chair uses is relatively low, and the verticity of the swivel chair is bad.
The content of the invention
The present invention is primarily directed to above mentioned problem, there is provided a kind of that simple to operate, time saving province when height is adjusted is carried out to swivel chair
Power, it is safe, and the electric up-down swivel chair that verticity is good.
The purpose of the present invention is mainly what is be achieved by following proposal:A kind of electric up-down swivel chair, including pedestal, chair
Seat, the chair back and handrail, the bottom of the described chair back are connected with the side of seat support, and described seat support lower end is provided with rotating dress
Put, described rotating device includes top rotary table and lower rotary table, and described top rotary table is arranged on seat support lower end, described top rotary table
Lower surface is provided with upper bearing (metal) circle, and the lower bearing circle matched with upper bearing (metal) circle, institute are provided with the upper surface of described lower rotary table
Ring raceway is formed between the upper bearing (metal) circle and lower bearing circle stated, ball, two neighboring rolling are provided with described ring raceway
There is gap, described top rotary table is connected by rotating shaft group with lower rotary table, and described rotating shaft group includes rotating shaft, described between pearl
The both ends of rotating shaft are connected to upper limit ring and lower limit ring, and limited location is set at the center of described top rotary table and lower rotary table
Chamber, described upper limit ring are arranged in the limit chamber of top rotary table and are rotatablely connected with top rotary table, and described lower limit ring is set
It is rotatablely connected in the limit chamber of lower rotary table and with lower rotary table, is connected with lowering or hoisting gear between described lower rotary table and pedestal, institute
The handrail stated is arranged on seat support, and controller is provided with the downside of described handrail, and described lowering or hoisting gear is electrically connected with controller
Connect.The bottom of the chair back is connected with the side of seat support, and user is sitting on seat support, leans against the chair back, and this design meets ergonomics,
Energy provide more preferable more comfortable service for user, and seat support lower end is provided with rotating device, and rotating device includes top rotary table with
Rotating disk, top rotary table are arranged on seat support lower end, and the lower surface of top rotary table is provided with upper bearing (metal) circle, is provided with the upper surface of lower rotary table
The lower bearing circle matched with upper bearing (metal) circle, ring raceway is formed between upper bearing (metal) circle and lower bearing circle, is provided with ring raceway
Ball, there is gap, top rotary table is connected with lower rotary table by ball to roll, when user is sitting between two neighboring ball
When being rotated on seat support, top rotary table is by a revolving force, and top rotary table rotates drives upper bearing (metal) circle to rotate simultaneously, and ball rolls in annular
Rolled in road, have gap between adjacent ball so that ball is easy to rotate, and prevents that ball is locked, reduces frictional force, may be used also
To coat a small amount of lubricating grease on the surface of upper bearing (metal) circle, lower bearing circle and ball so that the rolling of ball is more smoothly;It is upper to turn
Disk is connected by rotating shaft group with lower rotary table, and rotating shaft group includes rotating shaft, and the both ends of rotating shaft are connected to upper limit ring and lower limit
Be provided with limit chamber at the center of ring, top rotary table and lower rotary table, upper limit ring be arranged in the limit chamber of top rotary table and with upper turn
Disk is rotatablely connected, and lower limit ring is arranged in the limit chamber of lower rotary table and is rotatablely connected with lower rotary table, upper limit ring and lower limit
Ring does not influence the rotation between top rotary table and lower rotary table, can prevent top rotary table from being relatively moved with lower rotary table, prevents in mobile swivel chair
When rotating device separate, add security and stability;Lowering or hoisting gear is connected between lower rotary table and pedestal, handrail is arranged on
On seat support, controller is provided with the downside of handrail, lowering or hoisting gear is electrically connected with the controller, and liter can be adjusted by being manipulated by device
Swivel chair is adjusted to suitable height and position by falling unit, and the setting of handrail causes user to sit more comfortable.
Preferably, described lowering or hoisting gear includes the fixed cylinder being connected with pedestal and the lifting being connected with the bottom surface of seat support
Tin, the lifting chamber to match with lifting tube is provided with described fixed cylinder, described lifting tube is positioned at lifting intracavitary and with consolidating
The inwall of safety barrel is slidably connected, and rotary electric machine is provided with the bottom surface of described lifting chamber, and described lifting tube is hollow structure,
The bottom of described lifting tube is provided with jacking sleeve, and threaded rod is threaded with described jacking sleeve center, described
The output end of rotary electric machine and the bottom of threaded rod are connected, and described rotary electric machine is electrically connected with the controller.Controlled by manipulating
Device can control the rotating forward, reversion and stopping of rotary electric machine, and when operational control device make it that rotary electric machine rotates forward, threaded rod rotates forward
So that threadingly bar axial direction moves up the jacking sleeve being threadedly coupled therewith, drive lifting tube to move up simultaneously, make
The seat support being connected with lifting tube is obtained to move up so as to adjust height;Similarly, when operational control device causes rotary electric machine to invert
When, lifting tube drive seat support slowly move down, the height of swivel chair can be adjusted by the forward or reverse of rotary electric machine, when turn
When dynamic motor is slack, the height of swivel chair is fixed, and stability and security are all higher.
Preferably, the lower surface of described upper bearing (metal) circle has upper groove, the upper surface of described lower bearing circle has
Low groove, described ring raceway is formed between described upper groove and low groove.The lower surface of upper bearing (metal) circle has upper groove,
The upper surface of lower bearing circle has low groove, forms ring raceway between upper groove and low groove, ball upper groove with it is recessed
Rolled in the ring raceway that groove is formed, ball when rolling without departing from ring raceway, it is safe, upper groove and low groove
Design causes ball to be easy to roll, and prevents that ball is locked, reduces frictional force rolling.
Preferably, the cross section of described lifting tube is in polygon.The cross section of lifting tube is in polygon, therewith phase
The cross section for the lifting chamber matched somebody with somebody also is polygon, so that when rotary electric machine rotates and drives threaded rod to rotate, with threaded rod screw thread
The jacking sleeve of connection, which can not rotate, threadingly to be moved bar axial direction, so as to drive lifting tube to be slided in lifting intracavitary.
Preferably, the top of described threaded rod is provided with thrust plate with bottom.The top of threaded rod and bottom are equal
It is provided with thrust plate, the distance between two thrust plates maximum movable distance that i.e. swivel chair height can adjust.
Preferably, the lower surface outward flange of described top rotary table is provided with outer guard ring, the upper table of described lower rotary table
Face outward flange is provided with the interior guard ring to match with outer guard ring.The lower surface outward flange of top rotary table is provided with outer guard ring,
The upper surface outward flange of described lower rotary table is provided with the interior guard ring to match with outer guard ring, outer guard ring and interior guard ring
Match when rotating so that when rotating, present apparatus stability is higher, and inclination when preventing from rotating causes certain safety hidden
Suffer from.
Preferably, being provided with power supply port in described fixed cylinder, replaceable battery is provided with described power supply port
Group.Power supply port is provided with fixed cylinder, is provided with replaceable battery pack in power supply port, the battery pack in power supply port is to whole dress
Put and play power supply function, generally highly adjust will not too frequently, therefore when a Battery pack group can play longer for swivel chair
Between power supply function, when battery electric quantity is used up, change it is also very convenient.
Preferably, the bottom of described pedestal is provided with least one mobile device.The bottom of pedestal is provided with least
One mobile device, it is very easily simple that swivel chair is moved by mobile device.
Preferably, described mobile device include be arranged in base bottom dead slot, be arranged on the straight of dead slot top
Line motor, roller and the support tube being connected with roller, are provided with chute on described support tube, described linear electric motors it is defeated
Go out end to be slidably connected in chute and with support tube, be connected between the output end of described linear electric motors and the bottom surface of chute
Spring, described linear electric motors electrically connect with described controller.When swivel chair to be moved, swivel chair is put on the ground, passes through behaviour
The output end for causing linear electric motors as controller moves toward roller direction, and linear electric motors act on one to support tube by spring and pushed away
Power, this thrust are acted on the ground by roller, and the final pedestal for causing swivel chair has small movement toward away from ground direction,
Frictional force when substantially reducing mobile between pedestal and ground, it is very easily laborsaving that swivel chair is moved by the rolling of roller,
Spring also plays the effect of buffering and vibration damping simultaneously, and when mobile swivel chair is to suitable position, then operational control device causes directly
Line reset motor.
Therefore, a kind of electric up-down swivel chair of the invention possesses following advantages:User is manipulated by device can be right
Swivel chair carries out height regulation, time saving and energy saving, and stability is high, safe, and the design of rotating device causes swivel chair when rotating more
To be light and stably, it is easily laborsaving that swivel chair is moved by mobile device.
Brief description of the drawings
Accompanying drawing 1 is a kind of structural representation of the present invention.
Accompanying drawing 2 is broken section enlarged drawing at A in accompanying drawing 1.
Accompanying drawing 3 is broken section enlarged drawing at B in accompanying drawing 1.
Accompanying drawing 4 is the structural representation of rotating device in the present invention.
Accompanying drawing 5 is the top view of lower rotary table in the present invention.
Illustrate:The 1- chair back, 2- fixed cylinders, 3- pedestals, 4- controllers, 5- handrails, 6- seat supports, 7- lifting tubes, 8- are supplied
Power port, 9- threaded rods, 10- jacking sleeves, 11- thrust plates, 12- lifting chambers, 13- rotary electric machines, 14- linear electric motors, 15- bullets
Spring, 16- support tubes, 17- rollers, 18- chutes, 19- dead slots, 20- top rotary tables, the outer guard rings of 21-, 22- lower rotary tables, the upper axles of 23-
Hold circle, guard ring in 24-, 25- lower bearing circles, 26- rotating shafts, 27- limit chambers, 28- upper limit rings, 29- lower limit rings, 30- rings
Shape raceway, 31- upper grooves, 32- low grooves, 33- balls.
Embodiment
Below by embodiment, and with reference to accompanying drawing, technical scheme is described in further detail.
Embodiment 1:
As shown in figure 1, a kind of electric up-down swivel chair, including pedestal 3, seat support 6, the chair back 1 and handrail 5, the bottom of the chair back and seat support
Side be connected, user is sitting on seat support, leans against the chair back, and this design meets ergonomics, can be provided for user more easypro
Suitable service, as shown in Figure 4,5, seat support lower end are provided with rotating device, and rotating device includes top rotary table 20 and lower rotary table 22, on
The lower surface outward flange of rotating disk is provided with outer guard ring 21, and the upper surface outward flange of described lower rotary table is provided with and outer guard ring
The interior guard ring 24 to match, outer guard ring match with interior guard ring when rotating so that the present apparatus stability when rotating
Higher, inclination when preventing from rotating causes certain potential safety hazard, and top rotary table is arranged on seat support lower end, and the lower surface of top rotary table is set
Upper bearing (metal) circle 23 is equipped with, is provided with the lower bearing circle 25 matched with upper bearing (metal) circle on the upper surface of lower rotary table, under upper bearing (metal) circle
Surface has upper groove 31, and the upper surface of lower bearing circle has low groove 32, ring raceway is formed between upper groove and low groove
30, ball 33 is provided with ring raceway, there is gap between two neighboring ball, and ball is formed in upper groove and low groove
Rolled in ring raceway, ball is when rolling without departing from ring raceway, and safe, the design of upper groove and low groove causes
Ball is easy to roll, and prevents that ball is locked, reduces frictional force rolling, and top rotary table is the company of rolling by ball with lower rotary table
Connect, when user, which is sitting in, to be rotated on seat support, for top rotary table by a revolving force, top rotary table rotates drives upper bearing (metal) circle to turn simultaneously
Dynamic, ball rolls in ring raceway, there is gap between adjacent ball so that ball is easy to rotate, and prevents that ball is locked, subtracts
Small frictional force, can also coat a small amount of lubricating grease so that the rolling of ball on the surface of upper bearing (metal) circle, lower bearing circle and ball
It is dynamic more smoothly;Top rotary table is connected by rotating shaft group with lower rotary table, and rotating shaft group includes rotating shaft 26, and the both ends of rotating shaft are connected to
Limit chamber 27 is provided with the center of upper limit ring 28 and lower limit ring 29, top rotary table and lower rotary table, upper limit ring is arranged on
It is rotatablely connected in the limit chamber of rotating disk and with top rotary table, lower limit ring is arranged in the limit chamber of lower rotary table and rotated with lower rotary table
Connection, upper limit ring and lower limit ring do not influence the rotation between top rotary table and lower rotary table, can prevent top rotary table and lower rotary table phase
To movement, prevent that rotating device separates in mobile swivel chair, adds security and stability;Connected between lower rotary table and pedestal
Have lowering or hoisting gear, handrail is arranged on seat support, and controller 4 is provided with the downside of handrail, as shown in Fig. 2 lowering or hoisting gear include with
The connected fixed cylinder 2 of pedestal and the lifting tube 7 being connected with the bottom surface of seat support, the liter to match with lifting tube is provided with fixed cylinder
Chamber 12 drops, and lifting tube is slidably connected positioned at lifting intracavitary and with the inwall of fixed cylinder, lifts and rotation electricity is provided with the bottom surface of chamber
Machine 13, lifting tube are hollow structure, and the bottom of lifting tube is provided with jacking sleeve 10, and jacking sleeve is threaded with spiral shell at center
The bottom of rasp bar 9, the output end of rotary electric machine and threaded rod is connected, and rotary electric machine is electrically connected with the controller, lifting tube it is transversal
Face is in polygon, and the cross section of matched lifting chamber is also polygon, and rotation electricity can be controlled by handling controller
Rotating forward, reversion and the stopping of machine, when operational control device make it that rotary electric machine rotates forward, threaded rod is driven to rotate forward, while and screw thread
The jacking sleeve of bar threaded connection, which can not rotate, threadingly to be moved bar axial direction, drive lifting tube to move up simultaneously,
So that the seat support being connected with lifting tube is moved up so as to adjust height;Similarly, when operational control device make it that rotary electric machine is anti-
When turning, lifting tube drives seat support slowly to move down, and the height of swivel chair can be adjusted by the forward or reverse of rotary electric machine, when
When rotary electric machine is slack, the height of swivel chair is fixed, and stability and security are all higher, and top and the bottom of threaded rod are all provided with
It is equipped with thrust plate 11, the distance between two thrust plates maximum movable distance that i.e. swivel chair height can adjust, the setting of handrail
So that user sits more comfortable;Power supply port 8 is provided with fixed cylinder, replaceable battery pack is provided with power supply port, is supplied
Battery pack in power port plays power supply function to whole device, generally swivel chair highly adjust will not too frequently, therefore one
Battery pack group can play the power supply function of long period, when battery electric quantity is used up, change also very convenient.
The bottom of pedestal is provided with least one mobile device, as shown in figure 3, mobile device includes being arranged on base bottom
On dead slot 19, the linear electric motors 14, roller 17 and the support tube 16 being connected with roller that are arranged on dead slot top, on support tube
Be provided with chute 18, the output end of linear electric motors is located in chute and is slidably connected with support tube, the output end of linear electric motors with
Spring 15 is connected between the bottom surface of chute, linear electric motors are electrically connected with described controller, and when swivel chair to be moved, swivel chair is put
On the ground, being manipulated by device causes the output end of linear electric motors to be moved toward roller direction, and linear electric motors pass through spring pair
Support tube acts on a thrust, and this thrust is acted on the ground by roller, and the final pedestal for causing swivel chair is toward away from ground
There is small movement in direction, frictional force when substantially reducing mobile between pedestal and ground, is moved by the rolling of roller
Swivel chair is very easily laborsaving, while spring also plays the effect of buffering and vibration damping, when mobile swivel chair is to suitable position, then
Operational control device causes linear electric motors to reset.
It should be understood that the embodiment is only illustrative of the invention and is not intended to limit the scope of the invention.In addition, it is to be understood that
After having read the content of the invention lectured, those skilled in the art can make various changes or modifications to the present invention, these etc.
Valency form equally falls within the application appended claims limited range.
Claims (9)
- A kind of 1. electric up-down swivel chair, it is characterised in that including pedestal, seat support, the chair back and handrail, the bottom of the described chair back with The side of seat support is connected, and described seat support lower end is provided with rotating device, and described rotating device includes top rotary table and lower turn Disk, described top rotary table are arranged on seat support lower end, and the lower surface of described top rotary table is provided with upper bearing (metal) circle, described lower rotary table Upper surface on be provided with the lower bearing circle matched with upper bearing (metal) circle, between described upper bearing (metal) circle and lower bearing circle formed annular Raceway, ball is provided with described ring raceway, there is gap between two neighboring ball, described top rotary table passes through rotating shaft Group is connected with lower rotary table, and described rotating shaft group includes rotating shaft, and the both ends of described rotating shaft are connected to upper limit ring and lower limit Limit chamber is provided with the center of position ring, described top rotary table and lower rotary table, described upper limit ring is arranged on the limit of top rotary table Position intracavitary is simultaneously rotatablely connected with top rotary table, and described lower limit ring, which is arranged in the limit chamber of lower rotary table and rotated with lower rotary table, to be connected Connect, lowering or hoisting gear is connected between described lower rotary table and pedestal, described handrail is arranged on seat support, under described handrail Side is provided with controller, and described lowering or hoisting gear is electrically connected with the controller.
- 2. a kind of electric up-down swivel chair according to claim 1, it is characterised in that described lowering or hoisting gear includes and pedestal Connected fixed cylinder and the lifting tube being connected with the bottom surface of seat support, the liter to match with lifting tube is provided with described fixed cylinder Chamber drops, and described lifting tube is slidably connected positioned at lifting intracavitary and with the inwall of fixed cylinder, set on the bottom surface of described lifting chamber Rotary electric machine is equipped with, described lifting tube is hollow structure, and the bottom of described lifting tube is provided with jacking sleeve, described liter Threaded rod is threaded with drop bushing core, the output end of described rotary electric machine and the bottom of threaded rod connect, described Rotary electric machine is electrically connected with the controller.
- A kind of 3. electric up-down swivel chair according to claim 1, it is characterised in that the following table mask of described upper bearing (metal) circle There is upper groove, the upper surface of described lower bearing circle has low groove, between described upper groove and low groove described in formation Ring raceway.
- 4. a kind of electric up-down swivel chair according to claim 2, it is characterised in that the cross section of described lifting tube is in more Side shape.
- 5. a kind of electric up-down swivel chair according to claim 2, it is characterised in that the top and bottom of described threaded rod It is provided with thrust plate.
- A kind of 6. electric up-down swivel chair according to claim 1 or 2 or 3, it is characterised in that the following table of described top rotary table Face outward flange is provided with outer guard ring, the upper surface outward flange of described lower rotary table be provided with outer guard ring match in prevent Guard ring.
- 7. a kind of electric up-down swivel chair according to claim 1 or 2 or 3, it is characterised in that set in described fixed cylinder There is power supply port, replaceable battery pack is provided with described power supply port.
- 8. a kind of electric up-down swivel chair according to claim 1 or 2 or 3, it is characterised in that the bottom of described pedestal is set It is equipped with least one mobile device.
- 9. a kind of electric up-down swivel chair according to claim 8, it is characterised in that described mobile device includes being arranged on Dead slot in base bottom, linear electric motors, roller and the support tube being connected with roller for being arranged on dead slot top, described branch Chute is provided with support cylinder, the output end of described linear electric motors is located in chute and is slidably connected with support tube, and described is straight Spring is connected between the output end of line motor and the bottom surface of chute, described linear electric motors electrically connect with described controller.
Priority Applications (1)
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CN201710980766.4A CN107568971A (en) | 2017-10-19 | 2017-10-19 | A kind of electric up-down swivel chair |
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CN201710980766.4A CN107568971A (en) | 2017-10-19 | 2017-10-19 | A kind of electric up-down swivel chair |
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CN107568971A true CN107568971A (en) | 2018-01-12 |
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ID=61037919
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CN201710980766.4A Pending CN107568971A (en) | 2017-10-19 | 2017-10-19 | A kind of electric up-down swivel chair |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108590200A (en) * | 2018-04-28 | 2018-09-28 | 马鞍山市金韩防水保温工程有限责任公司 | A kind of exterior-wall heat insulation panel mounting mechanism |
CN109463379A (en) * | 2018-10-11 | 2019-03-15 | 国网浙江省电力有限公司金华供电公司 | A kind of steady type substation bird damage prevention device |
CN111449770A (en) * | 2020-04-07 | 2020-07-28 | 江苏省肿瘤医院 | Operation chair |
CN112890493A (en) * | 2021-01-19 | 2021-06-04 | 厦门大学 | Massage chair health robot with face-examination function |
RU221879U1 (en) * | 2023-10-10 | 2023-11-28 | Александр Олегович Новиков | SEAT SWIVEL |
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CN2765523Y (en) * | 2004-12-16 | 2006-03-22 | 厦门尚宏理容椅业有限公司 | Controllable rotation device for chair |
CN202213590U (en) * | 2011-08-17 | 2012-05-09 | 朱建国 | Supporting turntable |
CN104398041A (en) * | 2014-11-25 | 2015-03-11 | 广西大学 | Anti-noise and anti-vibration slidable chair |
CN106235723A (en) * | 2016-08-26 | 2016-12-21 | 泰州市瑞美机械有限公司 | A kind of seat disc base of improvement |
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CN2469798Y (en) * | 2001-02-13 | 2002-01-09 | 厦门进雄企业有限公司 | Revolving chair |
CN2509936Y (en) * | 2001-11-23 | 2002-09-11 | 高航 | Electric lifting chair |
CN2765523Y (en) * | 2004-12-16 | 2006-03-22 | 厦门尚宏理容椅业有限公司 | Controllable rotation device for chair |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN108590200A (en) * | 2018-04-28 | 2018-09-28 | 马鞍山市金韩防水保温工程有限责任公司 | A kind of exterior-wall heat insulation panel mounting mechanism |
CN109463379A (en) * | 2018-10-11 | 2019-03-15 | 国网浙江省电力有限公司金华供电公司 | A kind of steady type substation bird damage prevention device |
CN111449770A (en) * | 2020-04-07 | 2020-07-28 | 江苏省肿瘤医院 | Operation chair |
CN111449770B (en) * | 2020-04-07 | 2021-06-15 | 江苏省肿瘤医院 | Operation chair |
CN112890493A (en) * | 2021-01-19 | 2021-06-04 | 厦门大学 | Massage chair health robot with face-examination function |
RU221879U1 (en) * | 2023-10-10 | 2023-11-28 | Александр Олегович Новиков | SEAT SWIVEL |
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Application publication date: 20180112 |
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RJ01 | Rejection of invention patent application after publication |