CN107969838A - The lifting gear and learning chair of learning chair - Google Patents

The lifting gear and learning chair of learning chair Download PDF

Info

Publication number
CN107969838A
CN107969838A CN201711147788.9A CN201711147788A CN107969838A CN 107969838 A CN107969838 A CN 107969838A CN 201711147788 A CN201711147788 A CN 201711147788A CN 107969838 A CN107969838 A CN 107969838A
Authority
CN
China
Prior art keywords
lower lock
seat
lock
chair
supervisor
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.)
Pending
Application number
CN201711147788.9A
Other languages
Chinese (zh)
Inventor
杨润强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HANGZHOU TOTGUARD TECHNOLOGY Co Ltd
Original Assignee
HANGZHOU TOTGUARD TECHNOLOGY Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by HANGZHOU TOTGUARD TECHNOLOGY Co Ltd filed Critical HANGZHOU TOTGUARD TECHNOLOGY Co Ltd
Priority to CN201711147788.9A priority Critical patent/CN107969838A/en
Publication of CN107969838A publication Critical patent/CN107969838A/en
Pending legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C7/00Parts, details, or accessories of chairs or stools
    • A47C7/36Support for the head or the back
    • A47C7/40Support for the head or the back for the back
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C3/00Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/20Chairs or stools with vertically-adjustable seats
    • A47C3/34Chairs or stools with vertically-adjustable seats with pins coacting with holes or bolt-and-nut adjustment
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C7/00Parts, details, or accessories of chairs or stools
    • A47C7/002Chair or stool bases
    • A47C7/006Chair or stool bases with castors

Landscapes

  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)

Abstract

The present invention provides the lifting gear and learning chair of a kind of learning chair, the lifting gear of the learning chair includes the height regulating positioning device and seat back lifting device of seat;The supporting structure for learning chair is responsible for, connects chair leg component, seat assemblies and chair back component respectively from bottom to top;Wherein seat assemblies are connected on supervisor by the height regulating positioning device of seat, and can be lifted along supervisor;Chair back component is connected on supervisor by seat back lifting device, can also be lifted along supervisor.The lifting gear of the learning chair is purely mechanic lifting, and reliance security is high;The chair back and seat can be adjusted individually;Chair back section bar may be collapsible into supervisor, appearance looks elegant and saving space, and it is easy to operate to lift reset so that learning chair has certain growth, prolongs the service life, and comfort strengthens, and is adapted to the student of different age group and more crowds.

Description

The lifting gear and learning chair of learning chair
Technical field
The present invention relates to a kind of convenient adjusting lifting gear of learning chair, more particularly to a kind of used suitable for children Practise seat highback top adjustment lifting gear and the learning chair using the device.
Background technology
Indispensable instrument when learning chair is children for learning, the most of also adjustable chair-back of learning chair currently on the market are high Degree, but be substantially the chair back and the device that lifting is positioned with bayonet lock is slided on supervisor, it is inconvenient.And since supervisor's height cannot Flexible, when learning chair back of the body top adjustment minimum by minimum seat height, supervisor is highly constant, and the supervisor being higher by influences parental guidance child Study, and unsightly, while can also influence to install.
The most of seat height seat that also adjusts of learning chair currently on the market is deep, but many is all spiral screwed in place machine Structure, adjusting action are relative complex, it is difficult to accomplish convenient adjusting.
The content of the invention
The present invention is directed to disadvantage mentioned above, there is provided a kind of lifting gear of learning chair, learning chair is easily adjusted to reach Highly, adjusting back and seat can be distinguished and effectively locked, different school age difference height children are adapted it to and use, protect child Health purpose.
To achieve the above object, the present invention takes following technical proposals to realize:
A kind of lifting gear of learning chair, it is characterised in that the lifting gear of the learning chair includes the height tune of seat Save positioner and seat back lifting device;
The supporting structure for learning chair is responsible for, connects chair leg component, seat assemblies and chair back component respectively from bottom to top;
Wherein seat assemblies are connected on supervisor by the height regulating positioning device of seat, and can be lifted along supervisor;
Chair back component is connected on supervisor by seat back lifting device, can also be lifted along supervisor;
The height regulating positioning device of seat includes being arranged on the lower lock at seat rear portion and lower lock catch connector, lower lock Connector one end is connected with seat, and lower lock can be adjusted and positioned with the height of seat;
Seat back lifting device includes chair back section bar and upper lock;
Chair back section bar is fixedly connected with chair back component, its lower end is inserted into supervisor and upper lock, can be in supervisor and upper lock Slide up and down;
Upper lock can lock chair back section bar and the position of supervisor.
Further, supervisor is equipped with upper locating location hole, and upper lock anchors bit architecture equipped with locking, and upper lock passes through locking Anchor bit architecture and be fixed on realization fixation in locating location hole;Supervisor is equipped with to be positioned with the height regulating positioning device of seat Location hole;Chair back section bar is equipped with the chair back section bar location hole with upper locating location.
Further, the upper lock includes locking and buckles lid, locks and detains lid, and described lock buckles lid and lid is detained in locking Cooperate, shell is latched in formation;Upper lock is additionally provided with locking wrench, pin buckle axis of locking, upper lock latch and upper lock Spring, upper latch spring are threaded through on locking pin buckle axis, and locking pin buckle axis is connected by upper lock latch with upper locking wrench;Pull Dynamic upper locking wrench, upper latch spring are compressed, and locking pin buckle axis is pulled out from chair back section bar location hole, releases chair back section bar With the positioning between upper lock;Locking wrench in release, upper latch spring reset, while drive upper locking wrench to internal locking, Locking pin buckle axis is headed into chair back section bar location hole, realizes that the position between chair back section bar and supervisor locks;The learning chair chair Back of the body lifting gear further includes locking tile axis, and the locking tile axis is buckled in chair back section bar lower end, in supervisor.
Further, pin buckle axis is locked to be step-like, and the diameter of one end is more than the diameter of the other end;Locking pin buckle axis is equipped with Pin hole, the pin hole are located at the small one end of diameter.
Further, the lower lock includes lower lock upper cover, lower lock lower cover;The lower lock upper cover and lower lock lower cover Cooperate, form lower lock shell, lower lock support base is in lower lock shell;The other end of lower lock catch connector with Lower lock support base is connected;
Lower lock support base is equipped with lower lock axis hole, and lower lock axis hole wears lower lock axis pin;
Lower lock axis pin one end passes through lower lock axis hole, in the location hole for the supervisor for being inserted into seat, realizes the height of seat Positioning;
Lower lock base is equipped with pin hole, for wearing pin;
Lower lock further includes lower lock handle, lower lock torsion spring and lower lock watt axis;
Lower lock handle and lower lock torsion spring are arranged on pin;The lower lock axis pin other end is arranged in lower lock torsion spring On, and rotate and be axially moved with lower lock torsion spring;
When adjusting seat height, lower lock handle is pulled, lower lock watt axis is unclamped with supervisor, is driven with handle is latched at present Lower lock torsion spring rotates, and lower lock axis pin is pulled out from the location hole of supervisor, releases the positioning of seat height;
The lower lock handle of fastening in backward is unclamped, lower lock axis pin is headed into the location hole of supervisor, realizes seat height Positioning, is bonded with supervisor with watt axis is latched at present, realizes the locking of seat.
Further, described lower lock handle one end is fixing end, is hinged on by wearing pin in lower lock support base, another Hold as free end, expose lower lock shell;Lower lock handle securement end upper and lower part is equipped with cam, and the cam is in seat At present pressure latches watt axis for locking.
Further, first boss is equipped with the middle part of lower lock handle, the middle part of lower lock handle securement end is equipped with second boss; Described lower lock torsion spring one end by it is lower lock wear pin be hinged on it is lower lock handle cam between, the other end is stuck in lower lock axis pin On.
Further, the lower lock watt axle position is in lower lock support base;The lower lock watt axis includes front and rear two Point, two parts are separated from each other.
Further, the lower lock handle further includes two tablettings, and two tablettings are separately fixed at the convex of lower lock handle On wheel.
The present invention also provides a kind of learning chair, the lifting gear equipped with above-mentioned learning chair.
In short, beneficial effects of the present invention are:Learning chair seat back lifting device provided by the invention, is purely mechanic lifting, Reliance security is high;The chair back and seat can be adjusted individually, preferably adapt to different human body feature.
Chair back section bar may be collapsible into supervisor, appearance looks elegant and saving space, and direction switch spring, shrapnel reset easy to operate It is convenient;So that learning chair has certain growth, prolong the service life, and comfort strengthens, and is adapted to more crowds and year Age section, particularly to children, can preferably protect its health.
The height regulating positioning device of seat, changes conventional gas spring and drives whole chair to be lifted, Ke Yidan The height of seat is solely adjusted, and after seat height is adjusted, effectively realizes the altitude location of seat.Can separate regulation seat Height, seat is possessed certain growth, be allowed to prolong the service life;Adjustable function makes chair comfort level extremely strong, It is adapted to more crowds and age bracket, particularly to children, can preferably protects its health.
Brief description of the drawings
Fig. 1 is the structure diagram of the learning chair of the lifting gear using learning chair in one embodiment of the invention;
Fig. 2 is the explosive view of Fig. 1 learning chairs;
Fig. 3 is the explosive view of upper lock in Fig. 4;
Fig. 4 is the structure diagram of locking pin buckle axis;
Fig. 5 is the structure diagram of the height regulating positioning device of seat in Fig. 2;
Fig. 6 is the explosive view of the height regulating positioning device of seat in Fig. 2;
Fig. 7 is the structure diagram of lower lock handle;
Fig. 8 is lower lock handle and the matched schematic diagram in other positions.
Embodiment
The present invention will be described in detail below in conjunction with the accompanying drawings.
Fig. 1 is the structure diagram of the learning chair of the lifting gear using learning chair in one embodiment of the invention.Fig. 2 is The explosive view of Fig. 1 learning chairs.
According to Fig. 1 and Fig. 2, in the present embodiment, a kind of learning chair of lifting gear using learning chair, the study Chair includes chair leg component 3, seat assemblies 4 and chair back component 5.Supervisor 1 is the supporting structure of learning chair, is connected respectively from bottom to top Chair leg component 3, seat assemblies 4 and chair back component 5.
It is responsible for 1 side and is uniformly provided with multiple location holes 11.The side adjacent with the face where location hole 11 is equipped with upper lock Location hole 12.
2 upper end of chair back section bar is fixedly connected with chair back component 5, and lower end can be inserted into supervisor 1, can be slided up and down in supervisor 1, To adjust different back heights.Upper lock 6 can lock chair back section bar 2 and the position of supervisor 1, and upper lock 6 passes through upper lock Location hole 12 and 1 stationary positioned of supervisor.
Chair back section bar 2 is equipped with multiple chair back section bar location holes 21, passes through upper lock 6 and different chair back section bar location holes 21 lockings, realize the locking of 5 height of chair back component.
Locking tile axis 13 is provided with outside 2 lower end of chair back section bar, the locking tile axis 13 is buckled under chair back section bar 2 End, is inserted into supervisor 1.Locking tile axis 13 can reduce chair back section bar 2 and supervisor the distance between 1 so that chair back section bar 2 Slip in supervisor 1 is more smooth.
Fig. 3 is the explosive view of upper lock in Fig. 2.As shown in figure 3, the upper lock includes locking and buckles lid 61, upper lock Lower cover 62, lid 61 is buckled in the locking and locking detains lid 62 and cooperates, and can be fixed by tapping screw, is latched in formation outer Shell.
Upper lock 6 is equipped with locking and anchors bit architecture 68, and upper lock 6 is anchored by locking to anchor bit architecture 68 and be fixed on locking Realize and fix in the hole 12 of position.
Upper lock is additionally provided with locking wrench 64, locking pin buckle axis 63, upper lock latch 66, upper latch spring 65 and two Upper lock packing ring 67.
Fig. 4 is the structure diagram of locking pin buckle axis 63.As shown in figure 4, locking pin buckle axis 63 is step-like, one section straight Footpath is more than another section of diameter.Wherein upper lock packing ring 67 and upper latch spring 65 are set on locking pin buckle axis 63, upper lock Spring 65 is between two upper lock packing rings 67.The diameter of the endoporus of upper lock packing ring 67 is less than 63 major diameter of locking pin buckle axis One section.
In addition, locking pin buckle axis 63 is equipped with pin hole 631, the pin hole 631 is located at the small one end of diameter.
Upper lock latch 66 passes through the pin hole 631 on hole and locking pin buckle axis 63 in upper locking wrench 64 so that on Locking wrench 64 is articulated and connected with locking pin buckle axis 63.
The seat back lifting device of the learning chair of the present invention is in use, pull locking wrench 64, by lever principle and upper Lock latch 66 extracts locking pin buckle axis 63, is driven and latched by the step surface on pin buckle axis 63 of locking in withdrawal process Axially outward movement compresses upper latch spring 65 to packing ring 67 together.After locking pin buckle axis 63 extracts chair back section bar location hole 21, Locking wrench 64 can be pulled, lock 6 is moved up and down.
It is being adjusted to unclamp locking wrench 64 after suitable position, because upper latch spring 65 is compressed, by screen resilience, on Lock packing ring 67 makes upper lock shaft axis pin 63 to inside movement by the step on upper lock shaft pin 63, hence into chair back section bar Location hole 21, is positioned, and prevents chair back section bar 2 with upper lock 6 from moving up and down.
Learning chair in the present embodiment further includes the height regulating positioning device of seat, the height regulating positioning device of seat Seat rear is connected to, the outside of supervisor 1 is set in, realizes the positioning to the height of seat.
Fig. 5 is the structure diagram of the height regulating positioning device of seat in Fig. 2.Fig. 6 is that the height of seat in Fig. 2 is adjusted The explosive view of positioner.According to Fig. 5 and Fig. 6, the height regulating positioning device of the seat in the present embodiment, including set Lower lock and lower lock catch connector 752 at seat rear portion.
Lower 752 one end of lock catch connector is connected with seat, the other end of lower lock catch connector 752 and lower lock support base 75 are connected, so as to fulfill the height regulating positioning device 7 of seat and being fixedly connected for seat.
Lower lock includes lower lock upper cover 71, lower lock lower cover 73;The lower lock upper cover 71 and lower lock 73 phase of lower cover Mutually coordinate, form lower lock shell, lower lock support base 75 is in lower lock shell.
Lower lock upper cover 71 and lower lock lower cover 73 are equipped with through hole, and lower lock catch connector 752 passes through the through hole, with seat It is fixedly connected.
Lower lock watt axis 74 is additionally provided with lower lock support base 75, lower lock watt axis 74 includes front and rear two parts, two Divide and be separated from each other, distance can adjust, and be easily installed, it can be achieved that the effect locked and unclamped.The lower lock watt axis 74 wraps up Outside supervisor 1.
Lower lock support base 75 is equipped with lower lock axis hole 751.
Lower lock further includes lower lock axis pin 78, and the lower lock axis pin 78 latches axis hole 751, insertion supervisor 1 through lower Location hole 11 in, realize the altitude location of seat.
Lower lock further includes lower lock handle 79 and lower lock torsion spring 77.
Lower lock handle 79 is worn pin 72 by lower lock and is hinged in lower lock support base 75,79 part of lower lock handle Expose lower lock shell.
Fig. 7 is the structure diagram of lower lock handle.Fig. 8 is lower lock handle and the matched schematic diagram in other positions. According to Fig. 7 and Fig. 8,79 one end of lower lock handle is fixing end, is hinged on by wearing pin 72 in lower lock support base 75, The other end is free end, exposes lower lock shell.
Lower lock handle 79 and lower lock torsion spring 77 are arranged on pin 72;Lower lock 78 other end of axis pin is arranged in lower lock On twist buckle spring 77, and rotate and be axially moved with lower lock torsion spring 77.
79 fixing end upper and lower part of lower lock handle is equipped with cam 791, and the cam 791 is pushed when seat is locked Lower lock watt axis 74.Lower 77 one end of lock torsion spring by wear pin 72 be hinged on it is lower lock handle cam 791 between, the other end is stuck in On lower lock axis pin 78.Lower lock handle 79 further includes two tablettings 76, and two tablettings 76 are separately fixed at lower lock handle On cam 791.
Lower 79 middle part of lock handle is equipped with first boss 792, and the middle part of lower lock 79 fixing end of handle is equipped with second boss 793。
When adjusting seat height, lower lock handle 79 is pulled in drawing, and cam 791 is separated with lower lock watt axis 74, makes lower lock Watt axis 74 is unclamped with supervisor 1, and the lower lock torsion spring 77 of the ejection of second boss 793, lower lock torsion spring 77 drives lower lock 78 bullet of axis pin Go out, i.e., this latches lock torsion spring 77 under handle 79 drives and rotates at present, and lower lock axis pin 78 is drawn from the location hole 11 of supervisor 1 Go out, release the positioning of the height adjustment of seat.
Unclamp and inwardly lower lock axis pin 78 is inserted the positioning for heading into supervisor 1 by the lower lock handle 79 of fastening, first boss 792 In hole 11, the locking positioning of seat height is realized, lower lock torsion spring 77 restores to the original state under own resilience effect;It is convex at the same time 791 times pressure lock watt axis 74 of wheel, make lower lock watt axis 74 be bonded with supervisor 1, realize the locking of seat.
Although the present invention is disclosed as above with preferred embodiment, the present invention is not limited to this.Any art technology Personnel, without departing from the spirit and scope of the present invention, can make various changes or modifications, therefore protection scope of the present invention should When being subject to claim limited range.

Claims (10)

1. a kind of lifting gear of learning chair, it is characterised in that the height that the lifting gear of the learning chair includes seat is adjusted Positioner and seat back lifting device;
The supporting structure for learning chair is responsible for, connects chair leg component, seat assemblies and chair back component respectively from bottom to top;
Wherein seat assemblies are connected on supervisor by the height regulating positioning device of seat, and can be lifted along supervisor;
Chair back component is connected on supervisor by seat back lifting device, can also be lifted along supervisor;
The height regulating positioning device of seat includes being arranged on the lower lock at seat rear portion and lower lock catch connector, lower lock connection Part one end is connected with seat, and lower lock can be adjusted and positioned with the height of seat;
Seat back lifting device includes chair back section bar and upper lock;
Chair back section bar is fixedly connected with chair back component, its lower end is inserted into supervisor and upper lock, can be in supervisor and upper lock up and down Slide;
Upper lock can lock chair back section bar and the position of supervisor.
2. the lifting gear of learning chair according to claim 1, it is characterised in that supervisor is equipped with upper locating location hole, Upper lock is equipped with locking and anchors bit architecture, and upper lock, which by locking anchors bit architecture and is fixed on realization in upper locating location hole, to be consolidated It is fixed;Supervisor is equipped with the location hole positioned with the height regulating positioning device of seat;Chair back section bar is equipped with and upper locating location Chair back section bar location hole.
3. the lifting gear of learning chair according to claim 2, it is characterised in that the upper lock includes locking and buckles Lid is detained in lid, locking, and lid is buckled in the locking and locking detains lid and cooperates, and shell is latched in formation;Upper lock is additionally provided with Upper locking wrench, pin buckle axis of locking, upper lock latch and upper latch spring, upper latch spring are threaded through on locking pin buckle axis, on Lock axis pin is connected by upper lock latch with upper locking wrench;Locking wrench is pulled, upper latch spring is compressed, and will be locked Pin buckle axis is pulled out from chair back section bar location hole, releases the positioning between chair back section bar and upper lock;Locking wrench in release, on Latch spring resets, while drives upper locking wrench to be headed into internal locking, locking pin buckle axis in chair back section bar location hole, realizes chair Position between back type material and supervisor locks;The learning chair seat back lifting device further includes locking tile axis, the upper lock Watt axis is buckled in chair back section bar lower end, in supervisor.
4. the lifting gear of learning chair according to claim 3, it is characterised in that locking pin buckle axis is step-like, one end Diameter be more than the other end diameter;Locking pin buckle axis is equipped with pin hole, and the pin hole is located at the small one end of diameter.
5. the lifting gear of learning chair according to claim 1, it is characterised in that the lower lock is included on lower lock Lid, lower lock lower cover;The lower lock upper cover and lower lock lower cover cooperate, and form lower lock shell, lower lock support bottom Seat is in lower lock shell;The other end of lower lock catch connector is connected with lower lock support base;
Lower lock support base is equipped with lower lock axis hole, and lower lock axis hole wears lower lock axis pin;
Lower lock axis pin one end passes through lower lock axis hole, in the location hole for the supervisor for being inserted into seat, realizes the altitude location of seat;
Lower lock base is equipped with pin hole, for wearing pin;
Lower lock further includes lower lock handle, lower lock torsion spring and lower lock watt axis;
Lower lock handle and lower lock torsion spring are arranged on pin;The lower lock axis pin other end is arranged in lower lock torsion spring, and Rotate and be axially moved with lower lock torsion spring;
When adjusting seat height, lower lock handle is pulled, lower lock watt axis is unclamped with supervisor, and lower lock is driven with handle is latched at present Twist buckle spring rotates, and lower lock axis pin is pulled out from the location hole of supervisor, releases the positioning of seat height;
The lower lock handle of fastening in backward is unclamped, lower lock axis pin is headed into the location hole of supervisor, realizes the positioning of seat height, It is bonded with watt axis is latched at present with supervisor, realizes the locking of seat.
6. the lifting gear of learning chair according to claim 5, it is characterised in that described lower lock handle one end is fixation End, is hinged in lower lock support base, the other end is free end, exposes lower lock shell by wearing pin;Lower lock handle is consolidated Fixed end upper and lower part is equipped with cam, and the cam locks pressure lock watt axis at present in seat.
7. the lifting gear of learning chair according to claim 6, it is characterised in that it is convex to be equipped with first in the middle part of lower lock handle Platform, the middle part of lower lock handle securement end are equipped with second boss;Pin is worn by lower lock and is hinged in described lower lock torsion spring one end Between lower lock handle cam, the other end is stuck on lower lock axis pin.
8. the lifting gear of learning chair according to claim 5, it is characterised in that the lower lock watt axle position is in lower lock In support base;The lower lock watt axis includes front and rear two parts, and two parts are separated from each other.
9. the lifting gear of learning chair according to claim 5, it is characterised in that the lower lock handle further includes two Tabletting, two tablettings are separately fixed on the cam of lower lock handle.
10. a kind of learning chair, it is characterised in that the learning chair is equipped with the learning chair as described in claim 1-9 any one Lifting gear.
CN201711147788.9A 2017-11-17 2017-11-17 The lifting gear and learning chair of learning chair Pending CN107969838A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711147788.9A CN107969838A (en) 2017-11-17 2017-11-17 The lifting gear and learning chair of learning chair

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711147788.9A CN107969838A (en) 2017-11-17 2017-11-17 The lifting gear and learning chair of learning chair

Publications (1)

Publication Number Publication Date
CN107969838A true CN107969838A (en) 2018-05-01

Family

ID=62010376

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711147788.9A Pending CN107969838A (en) 2017-11-17 2017-11-17 The lifting gear and learning chair of learning chair

Country Status (1)

Country Link
CN (1) CN107969838A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110179269A (en) * 2019-05-23 2019-08-30 河南亮眸网络科技有限公司 A kind of package of eyesight prevention and control
CN112841966A (en) * 2020-12-31 2021-05-28 浙江护童人体工学科技股份有限公司 Adjustable learning chair and adjusting method thereof
CN113180408A (en) * 2021-06-03 2021-07-30 山东光明园迪儿童家具科技有限公司 Seat back lifting mechanism and learning chair
WO2023287863A1 (en) * 2021-07-14 2023-01-19 Anthro Form, Llc 4-star base for a chair
US11672343B2 (en) 2021-07-14 2023-06-13 Anthro Form, Llc 4-star base for a chair

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20130053598A (en) * 2011-11-15 2013-05-24 주식회사 하나로오에이퍼니처 Height adjustment device for desk and chair
CN204207378U (en) * 2014-09-03 2015-03-18 盈太企业股份有限公司 Chair lift and lowering or hoisting gear thereof
CN204273837U (en) * 2014-11-25 2015-04-22 安吉腾普电子器材有限公司 A kind of adjustment is elevated Chair frame
CN204519937U (en) * 2015-01-28 2015-08-05 东莞市护瞳实业投资有限公司 A kind of can easy of rise regulate seat
CN205410449U (en) * 2015-11-17 2016-08-03 彭先仲 Study chair
CN205885107U (en) * 2016-06-07 2017-01-18 深圳市心家宜家居有限公司 Two backs of round bottom seat go up and down to study chair
CN205963495U (en) * 2016-05-23 2017-02-22 孙友存 Adjustable chair

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20130053598A (en) * 2011-11-15 2013-05-24 주식회사 하나로오에이퍼니처 Height adjustment device for desk and chair
CN204207378U (en) * 2014-09-03 2015-03-18 盈太企业股份有限公司 Chair lift and lowering or hoisting gear thereof
CN204273837U (en) * 2014-11-25 2015-04-22 安吉腾普电子器材有限公司 A kind of adjustment is elevated Chair frame
CN204519937U (en) * 2015-01-28 2015-08-05 东莞市护瞳实业投资有限公司 A kind of can easy of rise regulate seat
CN205410449U (en) * 2015-11-17 2016-08-03 彭先仲 Study chair
CN205963495U (en) * 2016-05-23 2017-02-22 孙友存 Adjustable chair
CN205885107U (en) * 2016-06-07 2017-01-18 深圳市心家宜家居有限公司 Two backs of round bottom seat go up and down to study chair

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110179269A (en) * 2019-05-23 2019-08-30 河南亮眸网络科技有限公司 A kind of package of eyesight prevention and control
CN112841966A (en) * 2020-12-31 2021-05-28 浙江护童人体工学科技股份有限公司 Adjustable learning chair and adjusting method thereof
CN113180408A (en) * 2021-06-03 2021-07-30 山东光明园迪儿童家具科技有限公司 Seat back lifting mechanism and learning chair
WO2023287863A1 (en) * 2021-07-14 2023-01-19 Anthro Form, Llc 4-star base for a chair
US11672343B2 (en) 2021-07-14 2023-06-13 Anthro Form, Llc 4-star base for a chair

Similar Documents

Publication Publication Date Title
CN107969838A (en) The lifting gear and learning chair of learning chair
US20230201011A1 (en) Prosthetic attachment system
US7080885B2 (en) Task chair
US7360839B1 (en) Apparatus for adjusting an armrest of an office chair
US10279211B2 (en) Ball chair
CN106195570A (en) Console model display bracket
US5593207A (en) Seat for child swing
CN110450290A (en) A kind of crystal clamping device
CN104352089B (en) The locking and regulating device of drawer sliding rail
KR20160077339A (en) Chair with ability of back board position control
CN206867320U (en) Lower jaw adjustable neck protection circle
CN207470475U (en) A kind of lifting gear and the fan using the lifting gear
US6224077B1 (en) Link lifting gear for a baby-walker
US5356196A (en) Height-adjustable folding walking chair
CN107616642A (en) Bedside bed and its handrail setting
CN206213630U (en) A kind of extension type folding seat
CN208550596U (en) A kind of learning chair seat back lifting device and learning chair
CN210760348U (en) Headrest adjusting mechanism with rotary pull ring
CN107161201A (en) A kind of stroller seat recliner
CN204599953U (en) Children's seat and seat wabbler mechanism thereof
CN109393837B (en) Rocking Z-type child dining chair
CN107582224B (en) Cervical vertebra corrector
CN216124923U (en) Sputum aspirator with pull rod
CN208144832U (en) It is a kind of singlehanded to adjust the Cribguard gone up and down
CN206949725U (en) A kind of fixed mount of umbrella

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20180501