CN2235757Y - Body-supporting equipment - Google Patents
Body-supporting equipment Download PDFInfo
- Publication number
- CN2235757Y CN2235757Y CN 94212805 CN94212805U CN2235757Y CN 2235757 Y CN2235757 Y CN 2235757Y CN 94212805 CN94212805 CN 94212805 CN 94212805 U CN94212805 U CN 94212805U CN 2235757 Y CN2235757 Y CN 2235757Y
- Authority
- CN
- China
- Prior art keywords
- human body
- mentioned
- support plate
- bearing
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Springs (AREA)
Abstract
The utility model relates to a body-supporting device, comprising a body supporting plate which is composed of a body shoulder supporting part positioned on the top and a body waist supporting part positioned at the bottom, and the binding site of the two parts is provided with a hole; a kerf is formed from the hole to the upper edge of the body shoulder supporting part. The utility model can provide dynamic coincident support, which can be made into seats, sofas, invalid wheel chairs, hospital speciality chairs, vehicle chairs or alone back cushions to be used.
Description
The utility model relates to a kind of human body support equipment, particularly a kind of backrest, back cushion, chair, sofa or mattress.
Current chairs, the backrest of the supporting human body shoulder on the human body support equipments such as sofa or (independent or whole) back cushion can not provide satisfied supporting to the human body shoulder that presses thereon, its main cause is to see the curved type of upper half of human body from the side, the human body waist is bent into when being in sitting posture, shoulder protrudes, and shoulder top then turns forward, as shown in Figure 1, therefore common seat is to the protuberance A point of takeing on, as shown in Figure 1 from human body stern bottom by shoulder support plate design height.In order to meet human body shoulder shape, the backrest of some seat is increased, this is increased part and turns forward, but above-mentioned backrest is increased part inelastic front and back displacement, shown in Fig. 2 dotted line, will influence the amplitude that human body moves backward like this, and human body backward limitation of movement will feel under the weather, the people back can produce and ache in the course of time.For sofa, generally be to solve this problem, as shown in Figure 3 by a soft pillow B who protrudes forward, though above-mentioned design can provide certain elastic displacement, want to increase displacement, then soft pillow thickness is just excessive, cause the seat volume size to strengthen, and its effect is also also not ideal enough.Same office chair, back cushion is also owing to the restriction that is subjected to thickness is difficult to head it off.
The purpose of this utility model is to provide a kind of human body support equipment, and this equipment can change shape with moving of human body, and moves the position with this human body and keep identical and provide elastic bearing to it.
Above-mentioned purpose of the present utility model is to realize by the human body support equipment of following structure, this human body support equipment comprises the human body support plate, this plate is along being divided into two parts up and down, wherein being positioned at following part is human body lumbar support part, and the part that is positioned at the top is a human body shoulder supporting part, binding site at above-mentioned human body waist supporting part and human body shoulder supporting part has the hole, from human body support plate top edge, be that human body shoulder supporting part top edge is formed with joint-cutting to place, above-mentioned hole, this joint-cutting is divided into a plurality of with the human body shoulder supporting part of above-mentioned human body support plate.
Binding site at above-mentioned human body waist supporting part and human body shoulder supporting part has a plurality of holes, and wherein each hole is to human body support plate top edge, and promptly human body shoulder supporting part top edge all is formed with joint-cutting.
At least one above-mentioned perforate is to human body support plate top edge, and promptly human body shoulder supporting part top edge forms many joint-cuttings.
On above-mentioned human body support plate, be provided with the torsion balance device, this device comprises first bearing plate, this bearing plate have the front and with this front opposing backside surface, second bearing plate, this bearing plate have the front and with this front opposing backside surface, torque spring spare, it comprises the first arm, the free end of this arm is connected with the back side of first bearing plate, the other end of this arm is fixed in a side of waving parts that is bearing on the support plate, second arm, and the free end of this arm is connected with the back side of second bearing plate, the other end of this arm is fixed in the opposite side that waves parts, and human body support plate top edge is formed with neck support spare.
Above-mentioned human body shoulder supporting part is provided with the locking piece that joint-cutting is not expanded when pressurized.
Be provided with the keeper of torque spring spare at the above-mentioned first and second bearing plate back sides.
Above-mentioned keeper can be locating piece, positioning sleeve or the locating slot that forms on bearing plate.
The free end of above-mentioned spring part first and second arms can be rigidly connected or hinged with bearing plate, in the hole that this free end also can insert on the bearing plate to be opened.
On above-mentioned human body support plate, also can be provided with another kind of torsion balance device, this device comprises first flat spring and second flat spring that is oppositely arranged, this first and second flat spring is c-shaped, the first and second plate shape springs comprise free end and stiff end respectively, this stiff end is relative with free end, above-mentioned free end comprises can bear the pressure-bearing surface of the external pressure that is applied, free end in first and second flat springs extends relatively, stiff end in first flat spring is fixed in a side of waving parts that is bearing on the support plate, and the stiff end in second flat spring is fixed in the opposite side that waves parts.
The torsion balance device of following structure also can be set on above-mentioned human body support plate, this device comprises c-shaped flat spring, this spring comprises the free end of relative extension, wherein each free end comprises and can bear the pressure-bearing surface of the external pressure that is applied, and is formed with the protrusion arc portion that is bearing on the support plate with an above-mentioned free-ended relative side in spring.
Above-mentioned purpose of the present utility model also can realize that this equipment comprises human body support by the human body support equipment of following structure, this supporting member is along being divided into two up and down, one that wherein is positioned at the top is human body shoulder supporting member, be the human body lumbar support and be positioned at following one, above-mentioned human body shoulder supporting member links to each other with the human body lumbar support with articulated elements by spring part.
Above-mentioned spring part and articulated elements are assembled together or separate setting separately with articulated elements.
Above-mentioned human body support comprises support plate, this plate is provided with the torsion balance device, this torsion balance device comprises first bearing plate, this bearing plate have the front and with this front opposing backside surface, second bearing plate, this bearing plate have the front and with this front opposing backside surface, torque spring spare, it comprises the first arm, the free end of this arm is connected with the back side of first bearing plate, and the other end of this arm is fixed in a side of waving parts that is bearing on the support plate, second arm, the free end of this arm is connected with the back side of second bearing plate, and the other end of this arm is fixed in the opposite side that waves parts.Above-mentioned support plate top edge is formed with neck support spare.
Be provided with hinged locking piece between above-mentioned human body shoulder supporting member and the human body lumbar support.
Be provided with the keeper of torque spring spare at the above-mentioned first and second bearing plate back sides.
Above-mentioned keeper can be locating piece, positioning sleeve or the locating slot that forms on bearing plate.
The free end of above-mentioned spring part first and second arms can be rigidly connected or hinged with bearing plate, in the hole that this free end also can insert on the bearing plate to be opened.
Above-mentioned human body support comprises support plate, also be provided with the torsion balance device of following structure on this plate, this torsion balance device comprises first flat spring and second flat spring that is oppositely arranged, this first and second flat spring is c-shaped, first and second flat springs comprise free end and stiff end respectively, this stiff end is relative with free end, above-mentioned free end comprises can bear the pressure-bearing surface of the external pressure that is applied, free end in first and second flat springs extends relatively, stiff end in first flat spring is fixed in a side of waving parts that is bearing on the support plate, and the stiff end in second flat spring is fixed in the opposite side that waves parts.
Above-mentioned human body support comprises support plate, the torsion balance device of following form also can be set on this plate, this device comprises c-shaped flat spring, this spring comprises the free end of relative extension, wherein each free end comprises and can bear the pressure-bearing surface of the external pressure that is applied, and is formed with the protrusion arc portion that is bearing on the support plate with an above-mentioned free-ended relative side in spring.
Set three kinds of torsion balance devices in the human body support equipment for above-mentioned two kinds of structures, it all can keep layer to coat by flexibility, wherein said bearing plate or pressure-bearing surface are connected in this flexibility and keep on the layer, above-mentionedly wave parts or curved portions is pressed against on the support plate by flexible block, this flexible block is connected on the support plate.
The human body support equipment of above-mentioned in addition two kinds of structures also can comprise first compliant retainer and second compliant retainer, the first and second flexible retentivities be located at above-mentioned three and the torsion balance device in corresponding bearing plate or pressure-bearing surface on, be provided with external covering layer in above-mentioned compliant retainer and support plate outside, above-mentionedly wave parts and support plate is hinged.
In the human body support equipment of above-mentioned two kinds of structures, thereby described neck support spare can be swung or displacement by adopting to offer the hole in its and human body support plate or part joint portion and to be communicated to the elastically returned structure of joint-cutting of side seam on it or spring part and articulated elements and human body support plate or the relative human body support plate in part top edge phase limit or part top edge with this hole.
Also have in the utility model a plurality of torsion balance devices can be set.
Human body support plate or human body support top elastics wing but advantage of the present utility model is, thereby human body can obtain comparatively ideal identical shoulder upper support, can rearward do shoulder layback motion again, like this can be after eliminating sitting chair, sofa on sizable degree the uncomfortable or problem of aching of shoulder.Also be furnished with the torsion balance device in addition in the utility model, thus human body upper body layback or when leaning forward not only shoulder can obtain the supporting that coincide, and the human body waist also can obtain dynamic balanced support, the human body upper body can feel very comfortable on the whole like this.
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is the side view of general seat;
Fig. 2 is the side view of another kind of common seat;
Fig. 3 is the side view of common sofa;
Fig. 4 is the perspective view as an embodiment of human body support equipment of the present utility model;
Fig. 5 is a front elevation embodiment illustrated in fig. 4;
Fig. 6 is a working state schematic representation of the present utility model;
Fig. 7 is the side view of the present utility model with high support plate;
Fig. 8 is the perspective view of another embodiment of the utility model;
Fig. 9 is the perspective view of the torsion balance device that is coated with the sponge layer that adopted in the utility model;
Figure 10 is the elevation of device shown in Figure 9;
Figure 11 is the elevation of the torque spring spare in the device shown in Figure 9;
The perspective cutaway view, of waving parts that Figure 12 uses for the torsion balance device;
Figure 13 is the vertical view that waves parts;
Figure 14 is the side view that waves parts;
Figure 15 is the fixed support perspective view that waves parts;
Figure 16 is the another kind of layout drawing of torsion balance device;
Figure 17 is the perspective view of second embodiment of torsion balance device;
Figure 18 is the perspective view of the 3rd embodiment of torsion balance device, and wherein torque spring spare is a spring leaf;
Figure 19 is the perspective view of the 4th embodiment of torsion balance device, and this device adopts independent torque spring spare;
Figure 20 is the perspective view of the 5th embodiment of torsion balance device, and this device employing is only adopted two flat spring spares and be need not bearing plate;
Figure 21 is the perspective view of flat spring spare shown in Figure 20;
Figure 22 is the perspective view that waves parts of device usefulness shown in Figure 21;
Figure 23 is the perspective view of the 6th embodiment of torsion balance device, and this device adopts independent template torque spring spare.
Fig. 8 is the structure that is used for the another kind of support plate of the utility model back cushion, this support plate 25 also comprises shoulder support plate 6 and lumbar support plate 7, shoulder support plate 6 is connected with articulated elements by spring part with lumbar support plate 7, and this spring part and articulated elements can be assembled together, and also can divide to be arranged.Above-mentioned support plate 25 also can be provided with neck support spare 26 in the edge thereon by Fig. 7 mode, and this neck support spare 26 also can pass through elastically returned structure or the relative support plate 25 top edges swing with articulated elements of spring part or the displacement of the joint-cutting of the above-mentioned band circular hole of employing.
Above-mentioned reinforcement sponge 10 as shown in Figure 9, it comprises sponge layer 27, it is coated with a plurality of torsion balance devices 11 that are arranged side by side.As shown in figure 10, this device 11 comprises paired bearing plate, promptly goes up bearing plate 12 and following bearing plate 13.Bearing plate is made by plastics, sheet metal, fiberboard or plank.Bearing plate 12 links to each other with torque spring spare with 13 up and down, this spring part is made up of two long strip type torque springs 14 and 15 that are " V " shape substantially, each torque spring comprises long-armed 16 and galianconism 17, as shown in figure 11, galianconism 16 parts are posted by the bearing plate back side, and are led by (not shown keeper) by the locating piece of both sides, and the free end of galianconism 16 is provided with right-angle bending brachycephaly 18, this brachycephaly 18 is hinged with the bearing plate back side, is rigidly connected or directly inserts in the hole of offering on the bearing plate.Long-armed 16 free end is provided with right-angle bending termination 19, and this termination 19 is connected with the parts 20 that wave shown in Figure 10.Shown in Figure 12-15, wave the parts semicircular in shape, from wave portion's arc edge to above plat part have through hole 22 and 23, this through hole 22 and 23 is used to be connected the right-angle bending termination of torque spring 14 and 15.Waving parts 20 can directly be pressed against support plate 25 (shown in Fig. 4,8) and go up and be not connected with it.Certainly waving parts also can be hinged with support plate 25, specifically be that portion is positioned at and establishes cross through hole 21 therebetween, axial and the through hole 22 and 23 of this through hole is axially perpendicular, wave the just cinclides by passing U-shaped support 24 and above-mentioned hinged by hole 21 and U-shaped support 24 of parts 20 like this, above-mentioned U-shaped support is fixed on the support plate 25. Bearing plate 12 and 13 can be posted by on the sponge layer by adhesive up and down.
The purpose that the torsion balance device is set at the lumbar support position of human body support plate in the utility model is not only to make when people's bench over and layback human body shoulder top to obtain identical comfortable flexibility supporting, and take on bottom and waist at the same time and also obtain the dynamic balanced support that coincide, see on the whole, in certain hunting range, its whole back does not have the supporting vacancy on the human body.
As shown in figure 16, torsion balance device 11 in the above-mentioned reinforcement sponge 10 also can longitudinally be arranged, be that following bearing plate 13 ' in one of them torsion balance device is relative with the last bearing plate 12 of adjacent torsion balance device, and the bearing plate up and down of two adjacent torsion balance devices all is posted by on the sponge layer 27.
For the torsion balance device, can adopt various mapping modes.Can be the different shape shown in Figure 17-19 such as torque spring spare.As shown in figure 10, can on torque spring 14 and 15, turn 35 be set so that bigger reaction torsion is provided.In addition spring 14 and 15 free end crooked 90 ° forming the right-angle bending termination, and this termination can promptly be inserted in the sleeve 36 that is arranged at the bearing plate 12 and 13 back sides.
Torque spring spare also can be spring leaf, and this spring leaf free end can be fixed on the bearing plate, by stationary fixture 37 easily as shown in figure 18 like this.As Figure 19 institute method, torque spring spare can also be the torque spring of an integral body, and wherein the position has installed turn, can form and waves parts 20 just fix a circular discs again on turn.In addition, the torsion balance device also can not established bearing plate.As shown in figure 20, this device comprises the bigger flat spring of a pair of width 31 and 32, its c-shaped shape, they comprise free end 33 and stiff end 34, above-mentioned free end 33 constitutes the pressure-bearing surface that bears pressure, this face can bind against on the sponge layer, stiff end 34 is provided with two lugs 30 that bending is rectangular, and as shown in figure 21, this lug inserts and waves in the groove of offering in the parts 20 37, wave parts 20 and have the groove 37 that two above-mentioned lugs of confession insert in middle both sides, as shown in figure 22.In addition, another kind of form as the torsion balance device that does not need bearing plate can be referring to Figure 23, it comprises independent template torque spring, and it is shaped as C shape, and its width is bigger, two free end constitutes pressure-bearing surface, the middle part of a side relative with pressure-bearing surface is formed with curved portions 39, and this curved portions is projection laterally, also can be protruding to the inside, this template torque spring can directly press or be hinged on the support plate 25 by this curved portions, and above-mentioned pressure-bearing surface binds against on the sponge layer.
Human body support equipment of the present utility model can be widely used in used for vehicle chairs such as sofa, chair, Wheelchair, automobile, train, steamer or aircraft, hospital's training (physiotherapy, massage, dentistry) with chair or the bed, hairdresser's chair, general mattress.Thereby it also can be made back cushion separately and can be placed on the existing human body support device and use in addition.
Claims (13)
1. human body support equipment, it is characterized in that it comprises the human body support plate, this plate is along being divided into two parts up and down, wherein being positioned at following part is human body lumbar support part, and the part that is positioned at the top is a human body shoulder supporting part, binding site at above-mentioned human body waist supporting part and human body shoulder supporting part has the hole, from human body support plate top edge, be that human body shoulder support top edge is formed with joint-cutting to place, above-mentioned hole, this joint-cutting is divided into a plurality of with the human body shoulder supporting part of above-mentioned human body support plate.
2. equipment according to claim 1, it is characterized in that having a plurality of holes at the binding site of above-mentioned human body waist supporting part and human body shoulder supporting part, wherein each hole is to human body support plate top edge, and promptly human body shoulder supporting part top edge all is formed with joint-cutting.
3. equipment according to claim 1 is characterized in that at least one perforate to human body support plate top edge, and promptly human body shoulder supporting part top edge forms many joint-cuttings.
4. according to the described equipment of claim 1-3, it is characterized in that on above-mentioned human body support plate, being provided with the torsion balance device, this device comprises first bearing plate, this bearing plate have the front and with this front opposing backside surface, second bearing plate, this bearing plate have the front and with this front opposing backside surface, torque spring spare, it comprises the first arm, the free end of this arm is connected with the back side of first bearing plate, the other end of this arm is fixed in a side of waving parts that is bearing on the support plate, second arm, the free end of this arm is connected with the back side of second bearing plate, and the other end of this arm is fixed in the opposite side that waves parts, and above-mentioned human body shoulder supporting part is provided with the locking piece that joint-cutting is not expanded when pressurized.
5. equipment according to claim 4, it is characterized in that being provided with the keeper of torque spring spare at the above-mentioned first and second bearing plate back sides, human body shoulder supporting part top edge is provided with neck support spare, thereby this neck support spare is swung or displacement by adopting to offer the hole in itself and human body support plate joint portion and to be communicated to the elastically returned structure of joint-cutting of its top edge or spring part and the articulated elements relative human body support plate top edge that links to each other with human body support plate top edge with this hole.
6. according to the described equipment of claim 1-3, it is characterized in that on above-mentioned human body support plate, being provided with the torsion balance device, this device comprises first flat spring and second flat spring that is oppositely arranged, this first and second flat spring is c-shaped, first and second flat springs comprise free end and stiff end respectively, this stiff end is relative with free end, above-mentioned free end comprises can bear the pressure-bearing surface of the external pressure that is applied, free end in first and second flat springs extends relatively, stiff end in first flat spring is fixed in a side of waving parts that is bearing on the support plate, and the stiff end in second flat spring is fixed in the opposite side that waves parts.
7. according to the described equipment of claim 1-3, it is characterized in that on above-mentioned human body support plate, being provided with the torsion balance device, this device comprises c-shaped flat spring, this spring comprises the free end of relative extension, wherein each free end comprises and can bear the pressure-bearing surface of the external pressure that is applied, and is formed with the protrusion arc portion that is bearing on the support plate with an above-mentioned free-ended relative side in spring.
8. human body support equipment, it is characterized in that it comprises human body support, this supporting member is along being divided into two up and down, one that wherein is positioned at the top is human body shoulder supporting member, be the human body lumbar support and be positioned at following one, above-mentioned human body shoulder supporting member links to each other with the human body lumbar support with articulated elements by spring part.
9. equipment according to claim 8 is characterized in that above-mentioned spring part and articulated elements are assembled together or separates setting separately with articulated elements, is provided with hinged locking piece between human body shoulder supporting member and the human body lumbar support.
10. according to Claim 8 or 9 described equipment, it is characterized in that above-mentioned human body support comprises support plate, this plate is provided with the torsion balance device, this torsion balance device comprises first bearing plate, this bearing plate have the front and with this front opposing backside surface, second bearing plate, this bearing plate have the front and with this front opposing backside surface, torque spring spare, it comprises the first arm, the free end of this arm is connected with the back side of first bearing plate, the other end of this arm is fixed in a side of waving parts that is bearing on the support plate, second arm, the free end of this arm is connected with the back side of second bearing plate, and the other end of this arm is fixed in the opposite side that waves parts.
11. equipment according to claim 10, it is characterized in that being provided with the keeper of torque spring spare at the above-mentioned first and second bearing plate back sides, above-mentioned human body shoulder supporting part top edge is provided with neck support spare, thereby this neck support spare is swung or displacement by adopting to offer the hole in itself and human body support joint portion and to be communicated to the elastically returned structure of joint-cutting of its top edge or spring part and the articulated elements relative human body support top edge that links to each other with the human body support top edge with this hole.
12. according to Claim 8 or 9 described equipment, it is characterized in that above-mentioned human body support comprises support plate, this plate is provided with the torsion balance device, this device comprises first flat spring and second flat spring that is oppositely arranged, this first and second flat spring is c-shaped, first and second flat springs comprise free end and stiff end respectively, this stiff end is relative with free end, above-mentioned free end comprises can bear the pressure-bearing surface of the external pressure that is applied, free end in first and second flat springs extends relatively, stiff end in first flat spring is fixed in a side of waving parts that is bearing on the support plate, and the stiff end in second flat spring is fixed in the opposite side of the portion of waving.
13. according to Claim 8 or 9 described equipment, it is characterized in that above-mentioned human body support comprises support plate, this plate is provided with the torsion balance device, this device comprises the flat spring of C shape, this spring comprises the free end of relative extension, wherein each free end comprises and can bear the pressure-bearing surface of the external pressure that is applied, and is formed with the protrusion arc portion that is bearing on the support plate with an above-mentioned free-ended relative side in spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94212805 CN2235757Y (en) | 1994-06-02 | 1994-06-02 | Body-supporting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94212805 CN2235757Y (en) | 1994-06-02 | 1994-06-02 | Body-supporting equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2235757Y true CN2235757Y (en) | 1996-09-25 |
Family
ID=33829546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94212805 Expired - Fee Related CN2235757Y (en) | 1994-06-02 | 1994-06-02 | Body-supporting equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2235757Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103960908A (en) * | 2014-05-09 | 2014-08-06 | 马玉荣 | Elastic bearing device for sofa |
-
1994
- 1994-06-02 CN CN 94212805 patent/CN2235757Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103960908A (en) * | 2014-05-09 | 2014-08-06 | 马玉荣 | Elastic bearing device for sofa |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6910736B2 (en) | Seats with twistable seat elements | |
| JP7427353B2 (en) | back support | |
| US11864658B2 (en) | Chair and components | |
| US5975641A (en) | Undulatory motion relaxation device for furniture with a suspension system | |
| CN209950806U (en) | Waist is leaned on and seat | |
| JP2005532092A (en) | Elastic mat for cushion | |
| CN2235757Y (en) | Body-supporting equipment | |
| US11116319B1 (en) | Seat | |
| CN112826263B (en) | Chair structure | |
| CN209932105U (en) | Sofa cushion elastic part and sofa with same | |
| CN210643328U (en) | Elastic backrest seat | |
| CN1113734A (en) | Human body support equipment | |
| CN203262705U (en) | Office chair | |
| CN209769729U (en) | Elastic structure suitable for waist support seat | |
| CN214072594U (en) | Adjustable backrest assembly | |
| CN2207173Y (en) | Support apparatus for human body massage | |
| CN211862339U (en) | Waist rest structure of chair | |
| CN201029630Y (en) | Chair | |
| CN2433888Y (en) | Waist protective cushion | |
| KR200185922Y1 (en) | Structure of back in a chair | |
| CN110179277B (en) | Sofa cushion elastic part and sofa with same | |
| CN212591171U (en) | Movable massage armchair mechanism for back | |
| CN218304134U (en) | Back cushion | |
| CN1123652A (en) | Support equipment for human body massage | |
| CN216166406U (en) | Seat backrest with good supporting effect |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |