CN101077260A - Shock absorption air changing mattress cushion - Google Patents
Shock absorption air changing mattress cushion Download PDFInfo
- Publication number
- CN101077260A CN101077260A CNA2007100285400A CN200710028540A CN101077260A CN 101077260 A CN101077260 A CN 101077260A CN A2007100285400 A CNA2007100285400 A CN A2007100285400A CN 200710028540 A CN200710028540 A CN 200710028540A CN 101077260 A CN101077260 A CN 101077260A
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- enclosing cover
- inner cap
- shock absorption
- absorption air
- pad
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Abstract
The present invention discloses one kind of damping and scavenging mattress and cushion, each of which includes one upper cushion body, one lower cushion body, one outer cover and one inner cover set between the upper cushion body and the lower cushion body, elastic pieces supporting the outer cover and the inner cover, and locating blocks for locating the elastic pieces inside the outer cover and the inner cover. The elastic piece has at least one inner spring set coaxially with the outer cover and the inner cover; and the outer cover or the inner cover is provided with scavenge ports and non-return leaf valves inside the scavenge ports. The damping and scavenging mattress and cushion have easy assembling and disassembling, adjustable bearing force and good damping and scavenging effect.
Description
Technical field
The present invention relates to a kind of mattress cushion, is a kind of shock absorption air changing mattress cushion specifically.
Background technology
At present, the structure of common sping mattress cushion mainly contains three kinds on the market: the extexine of (1) pad is sewed up by the decorative cover cloth and forms, and is coating hundreds of compression springs that formed by spiral wire serial connection in length and breadth in the top layer; (2) pad is linked as a net by hundreds of cloth bags with suture way polyphone or so that PUR is bonding, is placed with helical spring in each cloth bag; (3) be mattress with the foam sheet, in pad, be provided with through hole and strengthen its supporting force in order to place spring.Three kinds of above-mentioned mattress cushions, in the use of reality, exist following weak point: (1) its pad is sealing setting, bonding or foaming sheet entity, more the more important is that its spring is all connected by the steel wire one, or be fixed on the pad, make that pad and spring are affixed to be integral, when spring needs repairing, even it is to take apart that the pad dismounting extremely bothers, cause mattress cushion to keep in repair and and then be dropped or change; (2) because hundreds of springs in the mattress cushion or firmly connect with steel wire, or be fixed together with pad, people can't change the spring supporting force of pad to adapt to different users's body weight requirement, when user's body weight is big, or pad is long-time use after, occur easily being damaged by pressure or the situation of inclination and distortion by local; (3) pad adopts sealing stitching, bonding or foaming sheet entity, there is not the active ventilation function, a cover at mattress once in a while coats periphery and is provided with the natural convection air hole of several holes as passivity, outside the pad humidity inside that is coated, temperature, the very difficult release of human scent are discharged; (4) because pad inside does not have perfect air exchange system, inner spot, Zhu dust or the like clean difficulty, and dust, human body skin exuviae bits horn become the grain of acarid, become the bacteria breed hotbed, do not meet the requirement of sanitation and hygiene.
For example application number is that 200310121202.3 Chinese patent applications disclose a kind of mattress that surrounds elastomer protection tube that has; the described encirclement elastomer of this patent protection tube is can be at the flexible snake abdomen shape cylindrical shell of short transverse, it can be flexible and flexible smoothly along with elastomer, the protection tube can prevent between the elastomer compression period embedding folder because of compression to the inboard mattress body that expands of through hole.Yet in the use of reality, the described protection tube of this patent has following shortcoming: 1. pad, elastomer and protection tube are fixed design, and the protection tube is change of location arbitrarily; 2. the built-in spring of protection tube is one, produces a kind of supporting force of elastic modelling quantity only, and the user can not change the spring supporting force of mattress according to body weight; 3. do not have the air exchange function, and pile up the dust foreign material easily in the pad, sanitary condition is not good.
Another Chinese patent ZL 03210499.5 disclosed a kind of cloth bag spring mattress bed net and for example, the described elastic component of this patent adopts " spring in the spring " structure.Also there is following shortcoming in the actual use of the patented product: be that the employing thermosol is bonded as an integral body between the non-woven bag spring string of " spring in the spring " structure of bed net and between a cloth bag spring string and the wire side cover 1., when the spring blank damages, pad dismounting difficulty, the maintenance trouble; 2. the user can not make a variation and the random elasticity supporting force of adjusting " spring in the spring " according to usefulness person's body weight; 3. " spring in the spring " structure of bed net is not have enthusiasm displaced air function, and the net bed gathers the dust foreign material equally easily.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide a kind of and install and remove conveniently, the user can require arbitrarily to adjust that supporting force, damping and air change are effective, the shock absorption air changing mattress cushion of sanitation and hygiene according to body weight.
Goal of the invention of the present invention is achieved in that a kind of shock absorption air changing mattress cushion, comprise pad and following pad, it is characterized in that: described going up is provided with enclosing cover and the inner cap that supports with elastic component between pad and the following pad, the inwall bottom of enclosing cover and inner cap is provided with the locating piece that is used for the elastic component location separately.
Described elastic component comprises at least one inner spring with enclosing cover or the coaxial setting of inner cap.
Described locating piece is the positioning boss that matches with the inner spring inner chamber, and positioning boss is connected with the bottom of enclosing cover or inner cap is integrated.
The ring flange of described locating piece for matching bottom enclosing cover and inner cap, ring flange is provided with the locating flange that matches with the inner spring inner chamber.
Be provided with sealing ring between described enclosing cover inwall and the interior cover outer wall.
The lid of described enclosing cover or inner cap is provided with scavenge port, and scavenge port is at least two, and unidirectional leaf valve is housed in the scavenge port.
Described scavenge port is located on the sidewall of enclosing cover or the bottom.
Described scavenge port is located at the bottom of inner cap.
The locating piece of described enclosing cover inwall bottom is provided with motion bar, the locating piece of inner cap inwall bottom is provided with the fixed bar of band cavity, the cavity and the motion bar of fixed bar match, have interconnective mounting groove and stopper slot on the chamber wall of fixed bar, motion bar is provided with all the pin that can match with mounting groove, stopper slot.
The wall body of described inner cap is provided with interconnective mounting groove and stopper slot, and the wall body of enclosing cover is provided with all the pin that can match with mounting groove, stopper slot.
The present invention compares with the mattress cushion of prior art band damping effect, has the following advantages:
(1) between last pad and following pad, is provided with the inner cap that supports with elastic component, enclosing cover, the inwall bottom of enclosing cover and inner cap is provided with the locating piece that is used for the elastic component location, and, also can be at inner cap, between the locating piece of enclosing cover or tegmental wall be provided with by mounting groove, the position-limit mechanism that stopper slot and pin are formed, device is constituted by an active connection by rigid member and elastic component, and, inner cap in the pad, enclosing cover and between parts be combined as independently damping and air change unit, the damping and air change unit adopts the formula of freely putting to install and is provided with, each unit and parts thereof can arbitrarily be changed, dismounting is flexible, and is easy to maintenance, prolonged the service life of mattress cushion greatly.
(2) because each parts disassembling, assembling and replacing of product is convenient simple and easy, the elastic component that the user can change different coefficient of elasticity by body weight is with the effect of the elasticity supporting force that reaches random adjustment mattress cushion, or make the local location of mattress cushion realize different supporting forces, to adapt to the user of different weight, both made the user lie sitting comforting.
(3) the mattress seat cushion during fabrication, can require according to the ventilation of pad to set the layout of scavenge port on lid, simultaneously, pad can move according to user's health and realize inner active ventilation, improve the inside and outside cross-ventilation exchange situation of pad, improved the ventilation effect of pad.
(4) because of of the present invention go up pad, down pad and between damping and air change device easy accessibility, device can take out cleaning at any time in it, avoid foreign material dust pile up and bacterium grow sanitation and hygiene.
Description of drawings
Accompanying drawing 1 has the overall schematic of damping and air change effect embodiment for the present invention.
Accompanying drawing 2 has among the damping and air change effect embodiment ventilation view of the syndeton mode I of devices such as inner cap, enclosing cover, locating piece, elastic component and unidirectional leaf valve for the present invention.
Accompanying drawing 4 has among the damping and air change effect embodiment ventilation view of the syndeton mode II of devices such as inner cap, enclosing cover, locating piece, elastic component and unidirectional leaf valve for the present invention.
Accompanying drawing 6 has among the damping and air change effect embodiment ventilation view of the syndeton mode III of devices such as inner cap, enclosing cover, locating piece, elastic component and unidirectional leaf valve for the present invention.
Accompanying drawing 7 has among the damping and air change effect embodiment ventilation view of the syndeton mode IV of devices such as inner cap, enclosing cover, locating piece, elastic component and unidirectional leaf valve for the present invention.
Accompanying drawing 8 has among the damping and air change effect embodiment ventilation view of the syndeton mode V of devices such as inner cap, enclosing cover, locating piece, elastic component and unidirectional leaf valve for the present invention.
Accompanying drawing 9 is among the V of syndeton mode shown in the accompanying drawing 8, the STRUCTURE DECOMPOSITION figure that inner cap, enclosing cover, locating piece, motion bar and fixed bar connect.
Accompanying drawing 10 has the principle schematic of elastic component another set-up mode in inside and outside lid of damping and air change effect embodiment for this present invention.
Accompanying drawing 11 has the principle schematic of damping and air change effect embodiment scavenging way I for the present invention.
Accompanying drawing 12 has the principle schematic of damping and air change effect embodiment scavenging way II for the present invention.
Accompanying drawing 13 only has the structural representation of the embodiment of damping effect for the present invention.
Accompanying drawing 14 only has the structural representation of another embodiment of damping effect for the present invention.
Accompanying drawing 15 only has among the damping effect embodiment for the present invention, a kind of structural representation of the inner cap of band mounting groove and stopper slot and the enclosing cover of band pin.
Accompanying drawing 16 only has among the damping effect embodiment for the present invention, the another kind of structural representation of the inner cap of band mounting groove and stopper slot and the enclosing cover of band pin.
The structural representation of accompanying drawing 17 the present invention during as massage bed, massage armchair.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing.
Extremely shown in Figure 16 according to Fig. 1 to Figure 10, Figure 13, shock absorption air changing mattress cushion of the present invention, comprise pad 1 and following pad 2, pad 1, following pad 2 generally are mattress, cushion with mattress or plate pad on this, are provided with enclosing cover 3 and inner cap 4 that mutual counterpart is installed between last pad 1 and the following pad 2.Support with elastic component between enclosing cover 3 and the inner cap 4, this elastic component comprises at least one inner spring 5 with enclosing cover 3, inner cap 4 coaxial settings, for strengthening the damping elastic effect between enclosing cover 3, the inner cap 4, outside inner spring 5, can be provided with coaxial with it outer spring 16, as Fig. 1, Fig. 2, Fig. 4, Fig. 6, Fig. 7, Fig. 8, Figure 13 and shown in Figure 14, perhaps outer spring 16 is arranged in the outer circumference of inner spring 5, as shown in figure 10; During two kinds of above-mentioned spring were provided with, its gauge of wire is can be according to user's body weight different change setting.Simultaneously, enclosing cover 3 of the present invention is provided with the locating piece that is used for the elastic component location with the bottom interior wall of inner cap 4.In concrete preparation requirement, locating piece can be the positioning boss 6 that matches with inner spring 5 inner chambers, the integrated connection of bottom of positioning boss 6 and enclosing cover 3 or inner cap 4, as Fig. 2, Fig. 6, Fig. 7 and shown in Figure 8, locating piece is in this class formation, and the bottom of spring and two lid inner chambers can be provided with pad 17, as shown in Figure 2, increase spring and lid contact area with this, reduce the suffered pressure of lid; Perhaps, locating piece also can be the ring flange 7 of being located at inner cap 4 and enclosing cover 3 bottoms, and ring flange 7 is provided with the locating flange 71 that matches with inner spring 5 inner chambers, and this ring flange 7 is located at the intracavity bottom of enclosing cover 3 and inner cap 4 simultaneously, as Fig. 1, Fig. 4, Figure 13 and shown in Figure 14.In addition, when locating piece is a ring flange 7 and when outer spring 16 that circumference is provided with cooperates, also can be provided with the semi-ring post 18 that is used for outer spring 16 location on the card of the ring flange 7 in the inner cap 4, as Figure 10 and shown in Figure 16, the internal face of the inner cylinder of semi-ring post 18 and inner cap 4 can play the role of positioning to outer spring 16.In addition, two kinds of above-mentioned inner spring 5, outer spring 16 are provided with in the form, inner spring 5 can be taked not contour form setting with outer spring 16, outer spring 16 higher roof pressures are on the inner bottom surface of enclosing cover 3, enclosing cover 3, and inner spring 5 is shorter, bottom surface and two locating pieces location with inner cap 4 or enclosing cover 3 produce the effect of level 2 buffering decompression, soft landing when this structure can make the user contact pad.
In addition, for realizing ventilation effect of the present invention, the lid of described enclosing cover 3 or inner cap 4 is provided with scavenge port 9, and scavenge port 9 can be located on the sidewall of enclosing cover 3 or the bottom; Or when inner cap 4 is installed for reversing with enclosing cover 3 (enclosing cover 3 is in the bottom, and inner cap 4 is last), as shown in Figure 7, scavenge port 9 also can be located at the bottom of inner cap 4.Scavenge port 9 is at least two and also has air-breathing and degassing function respectively, its quantity is set to the best with four circumference, its set-up mode can be two groups of 180 ° of symmetric arrangement of branch or single mutual 90 ° of settings of being separated by, and, in numerous damping and air change unit, occur the dislocation stuck phenomenon for avoiding nuzzling mutually enclosing cover 3 when being compressed, scavenge port 9 ends are made as ring platform structure, and the height of ring platform structure should be greater than the compression travel of lid.And be to guarantee that the gas compression chamber between the exterior and interior cover 3 has good air tightness, is provided with sealing ring 8, as Fig. 1, Fig. 2, Fig. 4, Fig. 6, Fig. 7 and shown in Figure 8 between enclosing cover 3 inwalls and inner cap 4 outer walls.Be provided with unidirectional leaf valve 10 in the scavenge port 9.When unidirectional leaf valve 10 was used as blast pipe, the valve port of unidirectional leaf valve 10 was towards the inner chamber setting of lid, and its opening direction is an airflow direction; And when unidirectional leaf valve 10 when air-breathing, the external outwardly side setting of the valve port of unidirectional leaf valve 10, the opening direction of its valve port is airflow direction, as Fig. 2, Fig. 4, Fig. 6, Fig. 7 and shown in Figure 8, during this time, for strengthening the circulation of air in the lid, can have several air guide breach in the end of locating piece, scavenge port 9 and air guide breach can have been strengthened the convection effects of the gas in the lid, further strengthen the ventilatory of pad.In addition, when scavenge port 9 and unidirectional leaf valve 10 are located at the bottom of lid, the designer can be provided with the adjustment screw rod relative with the valve block position in the outlet side of valve port, adjust screw rod by turn, can adjust the amplitude of opening of air outlet valve sheet, when being less than inspiratory capacity to reduce the capacity of lid, to be implemented in capacity, further increase the pressure buffer effect of two lids, as shown in Figure 6.
Figure 11 to Figure 12 is two kinds of best scavenging ways of the present invention, and four scavenge ports 9 are respectively with A, B, C, D mark.And according to the suction and discharge requirement of reality, the suction and discharge setting of unidirectional leaf valve 10 should be by the set-up mode of Fig. 2 or Fig. 4 etc.Wherein, Figure 11 is scavenging way I, and A, D scavenge port 9 be all as air entry, and 9 of B, C scavenge port be as exhaust outlet, the arrangement of scavenge port 9 be on the circumference single 90 ° be separated by.When user's health left pad, enclosing cover 3 rose under the supporting role of elastic component, and the compression chamber between the interior exocoel increases and the gas in the pad is produced siphonage, and the gas in the pad is sucked in the compression chamber; When lying/sitting on the pad with person's health, the elastic component pressurized, enclosing cover 3 descends, and immediately the air in the compression chamber is discharged the inner chamber of lid, is discharged by corresponding air-vent on the pad again.Figure 12 is scavenging way II, A, C scavenge port 9 are all as air entry, 9 of B, D scavenge port are as exhaust outlet, the arrangement of its scavenge port 9 is for dividing two groups of settings of being separated by of being separated by 180 °, when user's health moves and makes the lid oscilaltion move, can realize pad and extraneous gas exchange equally, reach better ventilation effect in the pad.
Figure 13, shown in Figure 14 for the present invention an embodiment during only as vibration damping mattresses cushion, among this embodiment, inner cap 4, enclosing cover 3 and pad inside need not be provided with air interchanger, and 3 need of inner cap 4 and enclosing cover just can be realized the damping effect of mat under the interoperation of locating piece and elastic component.Wherein, according to the different designs requirement, the inner cap 4 of two embodiment, the mounting means forward of enclosing cover 3 are installed or reversing is provided with.Present embodiment also can require according to user's body weight to select suitable elastic component, just can make mat reach damping effect preferably.
Among the present invention, when linking, has sealed preferably unlatching effect for strengthening inner cap 4 with enclosing cover 3, can between inner cap 4 and enclosing cover 3, be provided with the interlocking position-limit mechanism, this structure can be following two kinds of forms: one: be provided with motion bar 11 on the locating piece of enclosing cover 3 inwalls bottom, motion bar 11 and locating piece are for being threaded, the locating piece of inner cap 4 inwalls bottom is provided with the fixed bar 12 of band cavity, fixed bar 12 and locating piece are also for being threaded, the cavity of fixed bar 12 and motion bar 11 match, have interconnective mounting groove 13 and stopper slot 14 on the chamber wall of fixed bar 12, motion bar 11 be provided with all can with mounting groove 13, the pin 15 that stopper slot 14 matches, as Fig. 8 and shown in Figure 9, at this moment, for the compression travel that guarantees lid with to prevent that pin 15 from sliding on locating piece smooth and easy, the cavity that is used to install motion bar 11 and fixed bar 12 on the locating piece can be used as the counterbore form; Its two: the wall body of inner cap 4 is provided with interconnective mounting groove 13 and stopper slot 14, and the wall body of enclosing cover 3 is provided with all the pin 15 that can match with mounting groove 13, stopper slot 14, as Figure 15 and shown in Figure 16.In these two kinds of interlocking position-limit mechanisms, mounting groove 13 can be " ч " type structure with stopper slot 14, and as Fig. 9 and shown in Figure 15, or both one-tenth are similar to " Y " type structure, as shown in figure 16.Mounting groove 13 and stopper slot 14 are being provided with along being communicated with on the lid axial direction, pin 15 sticks in the mounting groove 13 when can assemble with motion bar 11 or enclosing cover 3, follow rotation with enclosing cover 3, pin 15 can be by 14 li of precession stopper slots, when enclosing cover 3 knee-actions, pin 15 just can only move up and down for 14 li at stopper slot, and then realizes the interlocking limit effect of enclosing cover 3 and inner cap 4.
The embodiment of accompanying drawing 17 the present invention during as massage bed, massage armchair.Among the embodiment, in the pad bottom eccentric rotary mechanism is housed, following pad 2 has air-vent, and on the air-vent as air inlet blower fan is housed, and the forced air supply of blower fan cooperates the active ventilation of damping and air change unit, makes the ventilation effect of mattress, chair cushion better.
In sum, shock absorption air changing mattress cushion of the present invention, pad can realize that the convenient mounting or dismounting and the internal components of lid clean, and the user can require arbitrarily to change suitable elastic component according to body weight and regulate the damping and air change effect, and is flexible and convenient to use.And, by the cooperation of locating piece and elastic component, improved the inside and outside cross-ventilation exchange situation of mat, realize the inner active ventilation function of pad, improved the damping and air change effect and the sanitary condition thereof of mat, promoted the real economy benefit of mattress cushion.
Claims (10)
1. shock absorption air changing mattress cushion, comprise pad (1) and following pad (2), it is characterized in that: described going up is provided with enclosing cover (3) and the inner cap (4) that supports with elastic component between pad (1) and the following pad (2), and enclosing cover (3) is provided with the locating piece that is used for the elastic component location separately with the inwall bottom of inner cap (4).
2. shock absorption air changing mattress cushion according to claim 1 is characterized in that: described elastic component comprises at least one inner spring (5) with enclosing cover (3) or the coaxial setting of inner cap (4).
3. shock absorption air changing mattress cushion according to claim 1 is characterized in that: the positioning boss (6) of described locating piece for matching with inner spring (5) inner chamber, the integrated connection of bottom of positioning boss (6) and enclosing cover (3) or inner cap (4).
4. shock absorption air changing mattress cushion according to claim 1 is characterized in that: the ring flange (7) of described locating piece for matching bottom enclosing cover (3) and inner cap (4), ring flange (7) is provided with the locating flange (71) that matches with inner spring (5) inner chamber.
5. shock absorption air changing mattress cushion according to claim 1 is characterized in that: be provided with sealing ring (8) between described enclosing cover (3) inwall and inner cap (4) outer wall.
6. shock absorption air changing mattress cushion according to claim 1 is characterized in that: the lid of described enclosing cover (3) or inner cap (4) is provided with scavenge port (9), and scavenge port (9) is at least two, and unidirectional leaf valve (10) is housed in the scavenge port (9).
7. shock absorption air changing mattress cushion according to claim 6 is characterized in that: described scavenge port (9) is located on the sidewall of enclosing cover (3) or the bottom.
8. shock absorption air changing mattress cushion according to claim 6 is characterized in that: described scavenge port (9) is located at the bottom of inner cap (4).
9. shock absorption air changing mattress cushion according to claim 1, it is characterized in that: the locating piece of described enclosing cover (3) inwall bottom is provided with motion bar (11), the locating piece of inner cap (4) inwall bottom is provided with the fixed bar (12) of band cavity, the cavity of fixed bar (12) and motion bar (11) match, have interconnective mounting groove (13) and stopper slot (14) on the chamber wall of fixed bar (12), motion bar (11) is provided with all the pin (15) that can match with mounting groove (13), stopper slot (14).
10. shock absorption air changing mattress cushion according to claim 1, it is characterized in that: the wall body of described inner cap (4) is provided with interconnective mounting groove (13) and stopper slot (14), and the wall body of enclosing cover (3) is provided with all the pin (15) that can match with mounting groove (13), stopper slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710028540.0A CN101077260B (en) | 2007-06-06 | 2007-06-06 | Shock absorption air changing mattress cushion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710028540.0A CN101077260B (en) | 2007-06-06 | 2007-06-06 | Shock absorption air changing mattress cushion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101077260A true CN101077260A (en) | 2007-11-28 |
| CN101077260B CN101077260B (en) | 2016-02-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710028540.0A Expired - Fee Related CN101077260B (en) | 2007-06-06 | 2007-06-06 | Shock absorption air changing mattress cushion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101077260B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106937906A (en) * | 2017-04-18 | 2017-07-11 | 常熟市平方轮椅有限公司 | A kind of detachable wheel chair cushions device |
| WO2017185939A1 (en) * | 2016-04-29 | 2017-11-02 | 烟台市立民红木家具有限公司 | Independent lifting spring mattress |
| CN111820669A (en) * | 2020-07-06 | 2020-10-27 | 吴庆祝 | Multilayer wave spring pad |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2201805Y (en) * | 1994-07-22 | 1995-06-28 | 易再雄 | New structural footwear |
| CN2604077Y (en) * | 2002-09-09 | 2004-02-25 | 胡平静 | Efficient ventilating shoes |
| US20040231057A1 (en) * | 2003-05-23 | 2004-11-25 | Sabin Jeffrey M. | Mattress structure |
-
2007
- 2007-06-06 CN CN200710028540.0A patent/CN101077260B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2201805Y (en) * | 1994-07-22 | 1995-06-28 | 易再雄 | New structural footwear |
| CN2604077Y (en) * | 2002-09-09 | 2004-02-25 | 胡平静 | Efficient ventilating shoes |
| US20040231057A1 (en) * | 2003-05-23 | 2004-11-25 | Sabin Jeffrey M. | Mattress structure |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017185939A1 (en) * | 2016-04-29 | 2017-11-02 | 烟台市立民红木家具有限公司 | Independent lifting spring mattress |
| CN106937906A (en) * | 2017-04-18 | 2017-07-11 | 常熟市平方轮椅有限公司 | A kind of detachable wheel chair cushions device |
| CN111820669A (en) * | 2020-07-06 | 2020-10-27 | 吴庆祝 | Multilayer wave spring pad |
| CN111820669B (en) * | 2020-07-06 | 2024-01-09 | 河北晚安家居科技有限公司 | Multilayer wave spring pad |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101077260B (en) | 2016-02-03 |
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Granted publication date: 20160203 Termination date: 20160606 |