CN104760700B - A kind of self-locking type aero seat of the stepless height regulation of energy - Google Patents
A kind of self-locking type aero seat of the stepless height regulation of energy Download PDFInfo
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- CN104760700B CN104760700B CN201510187734.XA CN201510187734A CN104760700B CN 104760700 B CN104760700 B CN 104760700B CN 201510187734 A CN201510187734 A CN 201510187734A CN 104760700 B CN104760700 B CN 104760700B
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Abstract
The present invention relates to air material technical field, and in particular to a kind of self-locking type aero seat of the stepless height regulation of energy.The present invention provides the self-locking type aero seat of the stepless height regulation of energy, including being packed in the cylindricality chair leg in the seat-back position of chair basin and being oppositely arranged by fixed seat, it is fixed between chair leg, lower bracing frame, sliding block is fixed with the chair back, the screwed hole that sliding block is provided with is connected with threaded shaft fits, thread spindle is arranged on upper by taper roll bearing, in lower bracing frame, together with one end of thread spindle through upper support frame is connected firmly with worm gear, worm gear and the worm screw being arranged on support base are connected, worm end sets handled runner, the angle of friction of Worm Wheel System is more than lead angle, the worm drive angle of friction of thread spindle and screwed hole is more than lead angle.The double self locking of the present invention need not increase brakes, overcome that traditional height adjusting and controlling device is cumbersome, easily the shortcoming of maloperation occur, and operation is simple and reliable that property is good.
Description
Technical field
The present invention relates to air material technical field, and in particular to a kind of self-locking type aero seat of the stepless height regulation of energy
Chair.
Background technology
Current aero seat does not have the stepless arrangement for adjusting height up and down of self-locking type, is generally adopted by between the upper and lower away from height
Control set for adjusting, realizes that spacing is adjusted, the amount of height of regulation is the integral multiple of spacing up and down every time, so equivalent to aero seat
The height on seat support identity distance ground only has several fixed values, when upper-lower height is adjusted, surface height can only these fixed values it
Between convert.The height of occupant changes greatly in certain scope, and the height of different occupants is uneven, so between the upper and lower away from height
Adjusting means is it cannot be guaranteed that every occupant is on suitable ride height position.General upper-lower height control set for adjusting is not
With self-locking performance, it is necessary to individually be equipped with brakes, first to unlock, also to be locked again after the completion of regulation before regulation, operation ratio
It is cumbersome, also there is error protection measure, otherwise will cause maloperation.
Chinese patent CN103359288A discloses a kind of device for being used to adjust aero seat lifting, including support, tune
Mechanism, slide rail are saved, described governor motion includes motor, housing, gear, clutch, screw, leading screw, described driving
Motor is fixedly mounted on housing, and gear and screw are arranged on housing by bearing respectively, and the outside of screw sets with teeth, silk
Screw thread is provided with thick stick external diameter and is coordinated by described screw thread and is arranged on screw, the output gear of motor passes through clutch
Device and gear are connected with screw, and leading screw is connected with aero seat, and described slide rail is fixed on aero seat and with being set on support
The guide rail put coordinates.The present invention is rational in infrastructure, and space requirement is small, reliable operation, can complete aero seat in small space
Regulatory function, and in the case where motor is powered off, can be by adjusting aero seat manually, so as to realize that pilot is carried out
Operation and turnover aircraft, it is ensured that pilot escapes in accident.But, the patent does not also solve aero seat upper-lower height
Control set for adjusting does not have the technical problem of self-locking performance.
The content of the invention
In order to overcome defect of the prior art, a kind of self-locking type aero seat for the stepless height regulation of energy that the present invention is provided
Chair, can make the regulation of aero seat surface height to the arbitrary height position in setting adjustable range, overcome existing aviation
Seat between the upper and lower away from height adjusting control mechanism it cannot be guaranteed that shortcoming of the every occupant all on suitable ride height position.
The present invention has self-locking performance, without extra increase brakes, can overcome traditional height adjusting and controlling device it is cumbersome,
Easily there is the shortcoming of maloperation.
The present invention is achieved through the following technical solutions：A kind of self-locking type aero seat of the stepless height regulation of energy, bag
Include and in the seat-back position of chair basin and be oppositely arranged two cylindricality chair legs, described two cylindricality chairs are packed in by fixed seat respectively
Upper support frame and lower bracing frame are fixed with according to order from top to bottom between leg, the chair back of the chair basin is fixed with sliding block, institute
Sliding block is stated provided with tapped through hole, the tapped through hole is connected with the screw thread on thread spindle, a shaft end of the thread spindle
Together with being connected firmly with worm gear through the upper support frame, the worm gear and the worm screw being arranged on support base are connected, described
The end of worm screw, which is fixed with, sets handled runner, and another shaft end of the thread spindle is arranged in lower bracing frame, the snail
Wheel is more than worm and gear lead angle with worm geared angle of friction, and the worm drive angle of friction of the thread spindle and screwed hole is big
In thread helix lift angle, the worm gear is 8.5 °~12 ° with worm geared angle of friction and worm drive friction angular region, described
Worm and gear lead angle scope is 3 °~5.1 °, and the thread helix lift angle scope is 4.9 °~6.55 °.
Further, the thread helix lift angle is 6.4 °, and worm drive angle of friction is 9.99 °；The worm and gear spiral shell
It is 5.1 ° to revolve lift angle, and the worm gear is 10.2 ° with worm geared angle of friction.
Further, the thread helix lift angle is 4.81 °, and worm drive angle of friction is 8.83 °；The worm and gear spiral shell
It is 3.81 ° to revolve lift angle, and the worm gear is 10.2 ° with worm geared angle of friction.
Further, the chair back of the chair basin is rectangle, and the fixed seat is four and is symmetricly set on the rectangle chair
On four angles of the back of the body.
Further, the cylindricality chair leg is to be connected with crossbeam at the top of cylinder, two cylindrical chair legs.
Further, the one end of described two cylindricality chair leg bottoms respectively with airplane floor link is connected, the aircraft
The other end of floor link is connected with support one end, and the other end of the support is packed in lower bracing frame.
Further, the support base is three.
Further, the thread spindle two ends are respectively equipped with taper roll bearing, and one of taper roll bearing is set
The upper surface of lower bracing frame, another taper roll bearing sets upper support frame lower surface.
Further, the screwed hole is arranged on its center position.
Further, the fixed seat, which is provided with the through hole being set with cylindricality chair leg, the through hole, is provided with sliding bearing.
Compared with prior art, superior effect is the self-locking type aero seat of the stepless height regulation of energy of the present invention：
1) present invention can have self-locking performance, without extra increase brakes, it becomes possible to overcome traditional height to adjust
Control device is cumbersome, easily the shortcoming of maloperation occur；
2) present invention provides suitable ride height to take every occupant of aero seat, aero seat is applicable
It is more extensive to use crowd, more conform to ergonomics, it can improve the comfortableness of aero seat using the present invention；
3) present invention has double self locking, without individually increase retaining mechanism, simple to operate, good reliability.
Brief description of the drawings
The stereochemical structure installation diagram for the self-locking type aero seat that Fig. 1 is adjusted for the stepless height of energy of the present invention；
The stereochemical structure rearview for the self-locking type aero seat that Fig. 2 is adjusted for the stepless height of energy of the present invention；
The stereochemical structure front view for the self-locking type aero seat that Fig. 3 is adjusted for the stepless height of energy of the present invention.
Reference is as follows：
Supported under 1- worm gears, 2- cylindricality chair legs, 3- fixed seats, 4- upper support frames, 5- sliding blocks, 6- taper roll bearings, 7-
Frame, 8- chair basins, 9- thread spindles, 10- support bases, 11- worm screws, 12- runners, 13- handles, 14- supports, the connection of 15- airplane floors
Frame, 16- crossbeams.
Embodiment
The specific embodiment of the invention is described in further detail below in conjunction with the accompanying drawings.
Embodiment 1
As Figure 1-3, a kind of self-locking type aero seat for the stepless height regulation of energy that the present invention is provided, bag are illustrated
Include and in the seat-back position of chair basin 8 and be oppositely arranged two cylindricality chair legs 2, described two posts are packed in by fixed seat 3 respectively
It is fixed with upper support frame 4 and lower bracing frame 7, the chair back of the chair basin 8 and is fixedly mounted with according to order from top to bottom between shape chair leg 2
There is sliding block 5, the sliding block 5 is provided with tapped through hole, and the tapped through hole is connected with the screw thread on thread spindle 9, the screw thread
Together with one shaft end of axle 9 is connected firmly with worm gear 1 through the upper support frame 4, the worm gear 1 and it is arranged on support base 10
Worm screw 11 is connected, and the end of the worm screw 11 is fixed with the runner 12 provided with handle 13, another axle of the thread spindle 9
End is arranged in lower bracing frame 7, and the worm gear 1 is more than worm gear 1 and the lead angle of worm screw 11 with the angle of friction that worm screw 11 is driven,
The worm drive angle of friction of the thread spindle 9 and screwed hole is more than the lead angle of thread spindle 9 and screwed hole, the worm gear 1 with
The angle of friction and worm drive friction angular region that worm screw 11 is driven are 8.5 °~12 °, and the worm and gear lead angle scope is
3 °~5.1 °, the thread helix lift angle scope is 4.9 °~6.55 °.
In embodiment 1, screw pair selects trapezoidal thread, screw thread model：Tr40 × 12-7H/8e, its thread helix lift angle is
6.4 °, the material of thread spindle 9 is steel, and the material of the sliding block 5 is steel, and the worm drive angle of friction is 9.99 °.The snail
The modulus of worm and gear transmission mechanism is 2.5, and the worm screw 11 is common round bar screw rod, and head number is 1, and lead angle is 5.1 °；It is described
The number of teeth of worm gear 1 is 29, and the helical angle is 5.1 °；The material of worm screw 11 is steel, and the material of the worm gear 1 is tin-free bronze,
The worm gear 1 is 10.2 ° with the angle of friction that worm screw 11 is driven.
The chair back of the chair basin 8 is rectangle, and the fixed seat 3 is four and is symmetricly set on four of the rectangle chair back
On angle, the cylindricality chair leg 2 is preferably cylinder, and two cylindrical tops of chair leg 2 are connected with crossbeam 16.The present embodiment
In, the one end of described two cylindrical bottoms of chair leg 2 respectively with airplane floor link 15 is connected, the airplane floor connection
The other end of frame 15 is connected with the one end of support 14, and the other end of the support 14 is packed in lower bracing frame 7.The support base 10
Preferably three, the two ends of thread spindle 9 are respectively equipped with taper roll bearing 6, and one of taper roll bearing 6 sets lower
The upper surface of support 7, another taper roll bearing 6 is arranged on the lower surface of upper support frame 4, and the screwed hole is arranged in sliding block 5
Heart position, the fixed seat 3, which is provided with the through hole being set with cylindricality chair leg 2, the through hole, is provided with sliding bearing.
Embodiment 2
The difference of embodiment 2 and embodiment 1 is：Screw pair selects trapezoidal thread, screw thread model in embodiment 2：Tr60
× 14-7H/8e, the lead angle of the screw thread is 4.81 °, and the material of thread spindle 9 is steel, and the material of sliding block 5 is spheroidal graphite
Cast iron, the worm drive angle of friction is 8.83 °.The modulus of the Worm and worm-wheel gearing is 1.25, and the worm screw 11 is
Common round bar screw rod, head number is 1, and lead angle is 3.81 °；The number of teeth of the worm gear 1 is 62, and worm and gear helical angle is 3.81 °；
The material of worm screw 11 is steel, and the material of worm gear 1 is tin-free bronze, and the worm screw 11 is 10.2 ° with the angle of friction that worm gear 1 is driven.
A kind of operation principle of the self-locking type aero seat for the stepless height regulation of energy that the present invention is provided：The present invention utilizes snail
Worm and gear transmission mechanism can realize that continuous transmission and screw-drive mechanism can convert rotational motion into the characteristic of linear motion, pass
Pass torque and realize mobile stepless height regulation, and it is real using the self-locking performance of Worm and worm-wheel gearing and spiral transmission mechanism
Show the double self locking of the present invention, wherein, the two axial lines of worm and gear transmission mechanism are spatially interleaved in 90 °, worm screw 11
Diameter parallel in ground, the axis of worm gear 1 is perpendicular to ground.The thread spindle 9 of spiral transmission mechanism is fixed together with worm gear 1
And it is coaxial, thread spindle 9 is fixed by bearing, the chair of sliding block 5 and aero seat that can be in own axis, spiral transmission mechanism
Basin 8 is connected, and screwed hole in sliding block 5 realizes that to be rotated about axis the free degree restrained, when thread spindle 9 is passed over by worm gear 1
Moment loading rotate when, sliding block 5 axis of threadingly axle 9 is moved up and down, it is necessary to upper-lower height regulation when, to worm screw
11 apply torque, drive worm gear 1 to rotate, and worm gear 1 drives thread spindle 9 to rotate, and thread spindle 9 transmits torque to sliding block 5, and sliding block 5 will
Drive the threadingly axial direction movement of axle 9 of chair basin 8；When being applied to that torque direction is opposite on worm screw 11, worm gear 1 will be anti-
Turn, drive thread spindle 9 to invert, pass to the torque of sliding block 5 by the contrary, sliding block 5 will drive the another of the threadingly axial direction of axle 9 of chair basin 8
One direction movement.Thread spindle 9 is perpendicular to the ground, and one is upward axially with respect to ground, and another is relative to ground
Downwards.Positive and negative two kinds of torques are applied by the worm screw 11 to Worm and worm-wheel gearing, the sliding block 5 of spiral transmission mechanism can be made
Both direction of the chair basin 8 along its spiral transmission mechanism axial direction is driven to move, i.e. moving up or down with respect to ground, so that real
The ride height regulation of occupant is showed.Worm screw 11 to Worm and worm-wheel gearing, which applies torque, makes occupant reach required height
When, stop at and apply torque on worm screw 11, the opplied moment on worm screw 11 is zero.Because of the axially rotation of sliding block 5 of spiral transmission mechanism
Turn that the free degree is restrained, the gravity of occupant and the gravity of chair basin 8 are applied to spiral by the sliding block 5 of spiral transmission mechanism and transmitted
There was only axial force on the thread spindle 9 of mechanism, because spiral transmission mechanism is self-locking spiral transmission mechanism, the application of the axial force will
Thread spindle 9 can not be driven to rotate.So, the sliding block 5 of spiral transmission mechanism will on spiral transmission mechanism transfixion, occupant's
Ride height also will be constant.In the case of shock and vibration, the rotation of thread spindle 9 of spiral transmission mechanism, spiral shell are likely to result in
The rotation of line axle 9 will drive worm gear 1 to rotate, and the self-locking performance of Worm and worm-wheel gearing will prevent worm gear 1 from rotating, because snail
The thread spindle 9 of wheel 1 and spiral transmission mechanism is fixed together, so the rotation of the thread spindle 9 of spiral transmission mechanism will also be hindered
Only, it is ensured that the transfixion of sliding block 5 of spiral transmission mechanism, so that the ride height of occupant will also keep constant.Profit of the invention
It is driven with Worm and worm-wheel gearing and the self-locking performance of screw-drive mechanism realizes double self locking.The screw thread of spiral transmission mechanism
The corner of axle 9 is corresponding with the displacement of sliding block 5, changes the corner of thread spindle 9, just changes the sliding block 5 of spiral transmission mechanism
Move, if the knots modification of the corner of thread spindle 9 can reach stepless, the displacement knots modification of sliding block 5 of spiral transmission mechanism also will be nothing
Level.Worm and worm-wheel gearing can realize continuous transmission, drive spiral transmission mechanism to revolve by Worm and worm-wheel gearing
The kind of drive turned makes spiral transmission mechanism realize continuous rotation, so that the screw rod corner of spiral transmission mechanism arbitrarily changes,
So the displacement of sliding block 5 of spiral transmission mechanism reaches stepless change, it is stepless that sliding block 5 drives the displacement knots modification of chair basin to be also up to
Change, the ride height of occupant will realize step-less adjustment afterwards, the present invention realizes step-less adjustment height, and the regulation of chair basin 8 is arrived
After height needed for occupant, without any brake apparatus, the ride height of occupant will be fixed up, and the seating that change occupant is high
Degree, only applies torque, therefore, the present invention can realize self-locking on worm screw 1.
In embodiment 1, fixed seat 3 is bolted on chair basin 8, and chair leg 2 is arranged on the sliding bearing of fixed seat 3
On, the axis that chair basin 8 can be with fixed seat 3 along chair leg 2 is slided up and down, and sliding block 5 is fixed on chair basin 8 by bolt, screw thread
Axle 9 is arranged on sliding block 5, and the inner ring of two taper roll bearings 6 is arranged at the bearing boss of thread spindle 9, two circular cone rollings
The outer ring of sub- bearing 6 is separately mounted in the bearing groove of upper support frame 4 and lower bracing frame 7, by bolt by upper support frame 4 and under
Support frame 7 is fixed in two chair legs 2, and worm gear 1 is fixed on the termination of thread spindle 9, and three support bases 10 are arranged on
On upper support frame 4, worm gear 1 and worm screw 11 are realized after three support bases 10 are fixed on upper support frame 4 by screw
Coordinate, runner 12 is fixed on the termination of worm screw 11, and handle 13 is fixed on runner 12, runner 12 is connected with worm screw 11
Together, runner 12 rotate by drive worm screw 11 rotates, the constraint of the seat 10 supported of worm screw 11, can only around own axis,
Worm screw 11 rotates transmission torque to worm gear 1, drives worm gear 1 to rotate, and worm gear 1 is fixed together and coaxially with thread spindle 9, worm gear 1
Rotating will drive thread spindle 9 to rotate.Thread spindle 9 is constrained by two taper roll bearings 6, can only be around own axis.Screw thread
Axle 9 rotate will transmission torque to sliding block 5, it is restrained that sliding block 5 is constrained the free degree rotated around itself axle by chair basin 8, sliding block 5 by
It can only be moved during the moment loading passed over to thread spindle 9 along own axes.Sliding block 5 is fastened on chair basin 8, the shifting of sliding block 5
It is dynamic that chair basin 8 will be driven to move.
Passenger riding is on chair basin 8, it is necessary to when adjusting height downwards, catch handle 13 to rotate clockwise runner 12, pass through
Worm and worm-wheel gearing and screw-drive mechanism transmission torque, drive chair basin 8 to move down, occupant reduces position, regulation
To after ideal position, handle is unclamped.Under worm-and-wheel gear and spiral transmission mechanism the self-locking performance effect of the present invention, it can prevent
Because chair basin 8 glides caused by occupant's Action of Gravity Field, occupant will remain on the ideal position after regulation；Occupant is needed to up-regulation
When saving height, handle 13 is caught to rotate counterclockwise runner 12, occupant position will be raised.
The present invention is not limited to above-mentioned embodiment, in the case of without departing substantially from the substantive content of the present invention, this area skill
Any deformation that art personnel are contemplated that, improvement, replace and each fall within protection scope of the present invention.
Claims (9)
1. a kind of self-locking type aero seat of the stepless height regulation of energy, the self-locking type aero seat includes passing through fixed seat respectively
(3) be packed in two cylindricality chair legs (2) in the seat-back position of chair basin (8) and being oppositely arranged, described two cylindricality chair legs (2) it
Between be fixed with upper support frame (4) and lower bracing frame (7) according to order from top to bottom, it is characterised in that the chair of the chair basin (8)
The back of the body is fixed with sliding block (5), and the sliding block (5) is provided with tapped through hole, and the tapped through hole coordinates with the screw thread on thread spindle (9) and connected
Connect, together with a shaft end of the thread spindle (9) is connected firmly with worm gear (1) through the upper support frame (4), the worm gear (1)
With worm screw (11) mating connection being arranged on support base (10), the end of the worm screw (11) is fixed with provided with handle (13)
Runner (12), another shaft end of the thread spindle (9) is arranged in lower bracing frame (7), and the worm gear (1) passes with worm screw (11)
Dynamic angle of friction is more than worm and gear lead angle, and the worm drive angle of friction of the thread spindle (9) and screwed hole is more than screw thread
Lead angle, the angle of friction and worm drive friction angular region that the worm gear (1) is driven with worm screw (11) are 8.5 °~12 °, institute
It is 3 °~5.1 ° to state worm and gear lead angle scope, and the thread helix lift angle scope is 4.9 °~6.55 °.
2. according to claim 1 can the regulation of stepless height self-locking type aero seat, it is characterised in that the thread helix
Lift angle is 6.4 °, and worm drive angle of friction is 9.99 °；The lead angle of the worm and gear is 5.1 °, the worm gear (1) and snail
The angle of friction of bar (11) transmission is 10.2 °.
3. according to claim 1 can the regulation of stepless height self-locking type aero seat, it is characterised in that the chair basin (8)
The chair back be rectangle, the fixed seat (3) is four and to be symmetricly set on four angles of the rectangle chair back.
4. according to claim 1 can the regulation of stepless height self-locking type aero seat, it is characterised in that the cylindricality chair leg
(2) it is cylinder, two cylindrical chair legs (2) tops are connected with crossbeam (16).
5. according to claim 1 can the regulation of stepless height self-locking type aero seat, it is characterised in that described two cylindricalitys
The one end of chair leg (2) bottom respectively with airplane floor link (15) is connected, the other end of the airplane floor link (15)
It is connected with support (14) one end, the other end of the support (14) is packed in lower bracing frame (7).
6. according to claim 1 can the regulation of stepless height self-locking type aero seat, it is characterised in that the support base
(10) it is three.
7. according to claim 1 can the regulation of stepless height self-locking type aero seat, it is characterised in that the thread spindle
(9) two ends are respectively equipped with taper roll bearing (6), and one of taper roll bearing (6) sets the upper end of lower bracing frame (7)
Face, another taper roll bearing (6) sets upper support frame (4) lower surface.
8. according to claim 1 can the regulation of stepless height self-locking type aero seat, it is characterised in that the screwed hole is set
Put in sliding block (5) center.
9. according to claim 1 can the regulation of stepless height self-locking type aero seat, it is characterised in that the fixed seat
(3) it is provided with the through hole being set with cylindricality chair leg (2), the through hole and is provided with sliding bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510187734.XA CN104760700B (en) | 2015-04-20 | 2015-04-20 | A kind of self-locking type aero seat of the stepless height regulation of energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510187734.XA CN104760700B (en) | 2015-04-20 | 2015-04-20 | A kind of self-locking type aero seat of the stepless height regulation of energy |
Publications (2)
| Publication Number | Publication Date |
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| CN104760700A CN104760700A (en) | 2015-07-08 |
| CN104760700B true CN104760700B (en) | 2017-10-03 |
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| CN201510187734.XA Active CN104760700B (en) | 2015-04-20 | 2015-04-20 | A kind of self-locking type aero seat of the stepless height regulation of energy |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105438480B (en) * | 2015-12-14 | 2017-04-19 | 航宇救生装备有限公司 | Conveyor seat |
| CN105905303B (en) * | 2016-04-18 | 2018-01-23 | 北京安达维尔航空设备有限公司 | A kind of locking-typed angle step-less adjustment aero seat |
| CN110697051B (en) * | 2019-09-25 | 2021-05-04 | 湖北航宇嘉泰飞机设备有限公司 | Height adjusting mechanism for shoulder strap outlet of aviation seat |
| CN112224419B (en) * | 2020-09-25 | 2022-09-30 | 中国直升机设计研究所 | Helicopter seat backrest adjusting mechanism with guide groove |
| CN112141344B (en) * | 2020-10-14 | 2024-04-09 | 航宇救生装备有限公司 | Anti-crash seat with adjustable backrest angle |
| CN114148226A (en) * | 2021-12-10 | 2022-03-08 | 安徽江淮汽车集团股份有限公司 | Height adjusting system for supporting legs of child seat |
| CN114653774A (en) * | 2022-03-28 | 2022-06-24 | 许英勇 | Metal plate punch forming process |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204587309U (en) * | 2015-04-20 | 2015-08-26 | 北京安达维尔航空设备有限公司 | The self-locking type aero seat that the stepless height of a kind of energy regulates |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB590253A (en) * | 1945-04-12 | 1947-07-11 | Malcolm Ltd R | Improvements relating to safety devices for aircraft pilots |
| GB9324902D0 (en) * | 1993-12-03 | 1994-01-19 | Britax Excelsior | Child safety seat |
| CN203041425U (en) * | 2012-10-10 | 2013-07-10 | 唐山师范学院 | Multifunctional music stool steplessly adjustable in lifting |
| CN203195094U (en) * | 2013-04-09 | 2013-09-18 | 浙江德清荣华家具有限公司 | Lift chair |
| CN203543724U (en) * | 2013-09-29 | 2014-04-16 | 安徽工程大学 | Automobile driver seat height regulation device |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204587309U (en) * | 2015-04-20 | 2015-08-26 | 北京安达维尔航空设备有限公司 | The self-locking type aero seat that the stepless height of a kind of energy regulates |
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| COR | Change of bibliographic data | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |