CN103228183A - Adjustable contour mattress system - Google Patents
Adjustable contour mattress system Download PDFInfo
- Publication number
- CN103228183A CN103228183A CN2011800580069A CN201180058006A CN103228183A CN 103228183 A CN103228183 A CN 103228183A CN 2011800580069 A CN2011800580069 A CN 2011800580069A CN 201180058006 A CN201180058006 A CN 201180058006A CN 103228183 A CN103228183 A CN 103228183A
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- China
- Prior art keywords
- mattress
- executor
- band
- height
- remote controllers
- 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.)
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C21/00—Attachments for beds, e.g. sheet holders, bed-cover holders; Ventilating, cooling or heating means in connection with bedsteads or mattresses
- A47C21/006—Oscillating, balancing or vibrating mechanisms connected to the bedstead
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C19/00—Bedsteads
- A47C19/02—Parts or details of bedsteads not fully covered in a single one of the following subgroups, e.g. bed rails, post rails
- A47C19/021—Bedstead frames
- A47C19/025—Direct mattress support frames, Cross-bars
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/05—Parts, details or accessories of beds
- A61G7/057—Arrangements for preventing bed-sores or for supporting patients with burns, e.g. mattresses specially adapted therefor
- A61G7/0573—Arrangements for preventing bed-sores or for supporting patients with burns, e.g. mattresses specially adapted therefor with mattress frames having alternately movable parts
Abstract
An adjustable contour mattress is provided with a multiplicity of zones each having a mattress height independently adjustable by a respective electro-mechanical actuator. The actuators are disposed within the mattress between a lower panel member and an upper mattress layer. A control unit is connected to the actuators for operating them to alternately raise and lower respective zones of the upper mattress layer. A remote control is operatively connected to the control unit and includes command input elements enabling an individual user to selectively operate the actuators independently of other ones of the actuators, whereby the user can adjust heights of the zones independently of one another.
Description
Technical field
The present invention relates to a mattress with adjustable profile.
Background technology
The ready-made mattress of standard and the design of pillow can not be satisfied the needs of individual to profile and hardness, and therefore fail to provide suitable support to user's vertebra and neck.Especially, many elderlys be difficult in find on the market 100% be fit to that the mattress of their needs and pillow are used for alleviating since the profile of their mattress and hardness do not reach optimization to the shoulder that uncomfortable support of working as causes ache, neck aches, after have a back ache.
Prior art comprise the gasbag-type mattress that is used to alleviate bedsore with for comfortable and have a low gasbag-type mattress that contacts pressure.Also can obtain adjustable bed support frame (just as commonly used those in hospital) on the market.
Yet, do not have on the market to be used to make mattress to be fit to individual demand and mattress and pillow customized in the mode of shoes customized and clothes.
Therefore, having in a large number, the production public afford but also allow the user to adjust the mattress and the pillow of profile according to its hope oneself.
Summary of the invention
The purpose of this invention is to provide a kind of improved mattress.More specifically, the purpose of this invention is to provide a kind of can be according to the improved mattress of the needs of unique user and hobby custom-modification mattress profile.Term used herein " profile " is meant the profile of the upper surface of mattress.Profile be can change according to the operation of a plurality of mattress height executors and can adjust by the user.The mattress profile can be only at one on the dimension of the length of mattress or can not only comprise length but also comprise that adjusting ground on two dimensions of width changes.
The purpose of this invention is to provide the dynamo-electric mattress that can manually adjust, its profile that allows user's adjustment and change mattress and pillow is to obtain his or she desired best support.
The present invention imagines a mattress system that begins to provide along its whole length or focal length's (see figure 1) a plurality of bands from the pillow end especially.
A kind of mattress system of adjusting profile according to the present invention comprises a support frame, a mattress, a plurality of executor, a control module and remote controllers.Support frame has at least one base plate member along the base of frame periphery, and mattress has one to the resilient upper strata of small part and provide the band of a plurality of height-adjustable.Executor and mattress band quantitatively be equate and be placed between mattress inner bottom plating member and the upper strata.Control module may be operably coupled to executor be used for with the mode manipulation device that alternately promotes and reduce the corresponding band on upper strata.Remote controllers may be operably coupled to control module and comprise the order input element that makes unique user energy selectivity be independent of other executor manipulation device, and the user can adjust the height of band independently of each other whereby.The control of band height can be finished in real time, that is, the user just can finish on mattress.Alternatively, in other words in addition, the electronic memory of the mattress profile that the user can adjust via the user the adjustment of mattress band height and implementing according to the operation of the mattress height executor of the mattress profile of storage subsequently.Usually, when lying on the mattress, the user finishes the adjustment of mattress profile.The profile adjustment can save as according to the user side to " canned " profile.
Control module is with in remote controllers can be incorporated identical housing into, and it can be a handheld device or a desktop control room.Remote controllers and control module can may be operably coupled to executor via electric wire or wireless transmission path.Under a hand-held long-range and control module was provided at situation in the case separately, this was handed long-range that can be connected via a hardware with a control module or wireless transmission path and may be operably coupled to control module.
The imagination executor comprises mechanical linkage, is preferably electronic.Each executor can comprise that one has the motor of Speed Decreaser Gearbox, and it may be operably coupled to a helical axis and be used for alternately rotating this axle on two rightabouts.Be connected to a driving gearbox and a nut at each place, end helical axis.
Alternatively, each executor can comprise a scissors-like linkage, at least one cam member, a screw jack executor, or a rack-and-pinion assembly.
In another optional embodiment, executor is linear executor, for example, and the linear executor of hydraulic cylinder, pneumatic cylinder or motorization ball screw.
According to the present invention, a kind of method that is used to adjust mattress comprises, provide one have a plurality of height-adjustable band mattress and quantitatively equate and be placed on a plurality of executors in the mattress with band, the manipulation device to be being promoted to band corresponding height, and the operation remote controllers come selectivity to adjust a single executor in the executor to adjust the height of corresponding mattress band.
Description of drawings
Fig. 1 partly is that to survey view and part be block diagram according to mattress system of the present invention for the axle such as schematic that opens the part.
Fig. 2 is the schematic partial side of the manipulator assemblies in the Height Adjustment band of mattress system of Fig. 1, and this manipulator assemblies is in the configuration at folding or the low elevation angle.
Fig. 3 is and the similar schematic partial side of Fig. 2 that it shows that executor is positioned at the configuration at the raising or the high elevation angle.
Fig. 4 is the schematic longitudinal sectional drawing of the mattress of Fig. 1, and it shows that one has the mattress upper strata of profile.
Fig. 5 A-5D is the schematic partial side according to optional mattress height executor of the present invention.
Fig. 6 is that the schematic axle that waits of the mattress opened according to the part in another adjustable mattress height system of the present invention is surveyed a view.
Fig. 7 is the schematic isometric view that can be used for a linear mattress height executor of the mattress among Fig. 6.
Fig. 8 is the block diagram of the parts of control module shown in Fig. 1 and remote controllers.
Fig. 9 is the block diagram of the parts of the central processing unit shown in Fig. 8.
The specific embodiment
As shown in Figure 1, a kind of mattress system of adjusting profile, it comprises a support frame 10, a mattress 12, a plurality of executor 14, a control module 16 and remote controllers 18.Support frame 10 has at least one base plate member 20 along the base of frame periphery.Mattress 12 has one by the local at least resilient upper strata 22 of filling or foamed material is made, and provides a plurality of and height adjustablely be with 24.Executor 14 and mattress band 24 quantitatively be equate and be placed between mattress 12 inner bottom plating members 20 and the upper strata 22.Control module 16 may be operably coupled to executor 14, be used for manipulation device independently of each other alternately promote and reduce upper strata 22 be with 24 accordingly.Remote controllers 18 may be operably coupled to control module 16, and comprise and make a personal user USR(Fig. 4) can be optionally or dividually manipulation device 14 order input element 26(for example, miniature keyboard among Fig. 4), make the user can adjust height independently of each other with 24.Usually, when lying on the mattress, the user finishes the adjustment of mattress profile.The profile adjustment can save as according to the user side to " canned " profile.Therefore, the direct adjustment of a pair of mattress profile of user's operation of response remote controllers 18 only may appear at during the calibration phase.Subsequently only can be in response to the user to the selection of the mattress profile of special storage and occur to the change of mattress profile.Certainly, in case the user selects a mattress profile that stores, no matter whether this profile is according to shop instructions or comprises one of mattress Height Adjustment that the user the selects profile that prelists that user-operable remote controllers 18 are adjusted according to hobby at that time or " fine setting " various mattress band height.
Shown in Fig. 2 and 3, executor 14 comprises some to mechanical linkage 36, and every pair all is connected to a driving shaft 40 via separately a nut 38.Each executor 14 comprises that further one has the motor 42 of built-in reduction box, and it may be operably coupled to driving shaft or helical axis 40 and is used for alternately rotating this axle on two opposite directions.In response to the instruction of user USR via remote controllers 18, control module 16 activate as required each motor 42 one or the opposing party rotate up corresponding helical axis 40 promote or reduce mattress upper strata 22 be with 24 accordingly.
When nut 38 moved inward (in opposite directions, seeing Fig. 3), what linkage 36 promoted corresponding height-adjustable was with 24, or when bottom that nut outwards reduces adjustable band when mobile (opposing).Linkage 36 is connected with base plate 20 pivotly in its bottom and is connected with the hard upper board part 43 of corresponding cardinal principle pivotly in the top.Each upper board part 43 supports a corresponding foam pad mattress lower part 45, has placed mattress upper strata 22 on this lower part 45.
Fig. 4 has shown the upper strata 22 of having determined the mattress 12 of profile according to the hobby of user USR and needs.
Shown in Fig. 5 A, each executor 14 can comprise a scissors shape linkage 44.Each scissors shape linkage 44 comprises a pair of at the interconnective pivotly arm 46 in pin 48 places, and a pair of arm 46 is connected to a base plate 20 and a upper board part 50 respectively at pivot pin 52 places, and is connected to upper board part 50 and base plate 20 slidably at slide block 54 places.As shown in arrow 58, a straight line force 56 that puts on the linkage 44 causes the mattress band 24 upwards translations of covering on upper board part 50 and.
Shown in Fig. 5 B, each executor 14 can comprise a pair of cam member 60,62 that is installed on corresponding pulley or the gear 64,66 alternatively, and described pulley or gear 64,66 are involved in the endless belt or the chain 68 that can move by a motor 72 in turn on alternating direction.
Shown in Fig. 5 C, each mattress height executor 14 can be taked the form of a screw jack executor alternatively, and it comprises that one is fixed to the screw rod 74 of a upper board part 76 in upper end.Screw rod 74 threadably engages with driven wheel 78, and driven wheel 78 remains on a fixing upright position by a gripper shoe 80 rotationally, and meshes with pinion 82 drivings of a motor 84.The a pair of pilot pin that passes the opening (not shown) on the gripper shoe 80 slidably of upper board part 76 carryings.The effective configuration of other of screw jack executor is tangible to one skilled in the art.
Fig. 5 D has shown that one can be used as the rack-and-pinion assembly 86 that a mattress height executor 14 uses.Rack-and-pinion assembly 86 comprises two tooth bars 88, two pinions 90 and guided plates 92.
In Fig. 1, Height Adjustment band 24 all extends the elongate area of the major part of crossing the mattress width for each.Fig. 6 has shown a mattress 94, and it has the grid of a Height Adjustment band 96 in a central area, and locates respective elongated band 98 and 100 in a head zone and foot areas (not marking separately).In grid regions, mattress 94 comprises that the linear executor 102(of hydraulic cylinder, pneumatic cylinder form sees Fig. 7 equally) or the linear executor of motorization ball screw.Each linear executor 102 comprises a main body 104 and a piston 106.Main body 104 is fixed on an end (hard substantially) plate 108 of mattress 94, and a upper end of piston 106 is fixed to hard substantially upper board part 110 simultaneously, and it supports the part of a mattress pad underclad portion 112.
One console of remote controllers 18 and/or control module 16 (not showing separately) can provide a display (not shown), and it provides menu selection or option, instruction, message and suggestion to user USR.Control module 16 is seen Fig. 6 via remote controllers 18() a miniature keyboard or touch screen interface 114 can provide the option of from a plurality of " canned " or the mattress band height group that prelists, selecting to user USR.Can also from user's mattress band height group that generate or user's modification, make other selection.Based on the selection of this mattress band height series that is pre-existing in, the user have adjust each with the ability of 24,96,98,100 height so that satisfy user's demand and hobby at that time.Such modification can be used as independent mattress profile and is stored in and is used for later selection and allotment in the control module 16.
Width with 24,96,98,100 " W " can change and be common in 1 inch to 24 inches scope." grid " band 96(Fig. 6) length " L " can be the value between 3 inches to 12 inches.
Each is with 24,96,98,100 vertical displacement variable rangeization and in 1 inch to 10 inches scope.Can be to control module 16 programming to limit the difference in height of adjacent interband, here, big difference in height will be unpractical or mattress upper strata 22 and user USR applied excessive pressure.
At pillow 116,118(Fig. 1,4,6) below the Height Adjustment of mattress band also changed the profile of pillow and support to head and neck be provided as user USR is desired.
By make up single with 24,96,98,100(sees Fig. 4) the position can obtain any required pillow and mattress profile.
A mattress 12 can comprise highly nonadjustable filler or foam segment 120 as described here.
As shown in Figure 8, control module 16 can comprise a central processing unit (CPU) 124, its visit one comprises the memory 126 of programmed instruction, is used for guidance and makes control module and control various Height Adjustment executors 128 via remote controllers 18 and telex network.First data memory device 130 comprises the mattress band height group that prelists that is made of many " canned " sleep posture.Second data memory device 132 comprises the mattress band height group of having revised according to user's input.CPU124 communicates by letter with remote controllers 18 with transmitter 140 via a transmitter 134 of control module 16 and a receiver 138 of a receiver 136 and remote unit 18.Remote unit 18 further comprises a CPU142, and it controls a display 144 and the user instruction that receives from a command input device 146 of miniature keyboard form according to operating from the instruction of resident program storage 143.The function of display 144 and miniature keyboard 146 can be combined in the touch screen.
As shown in Figure 9, CPU124 comprises functional module, and these functional modules comprise a profile selection module 148, an executor active module 150 and a Height Adjustment module 152.Profile selects module 148 to be connected to data memory device 130 and 132 and memory 126 and be connected full executor active module 150 and Height Adjustment module 152 importing out the end place at input end.Executor active module 150 is connected to instruction or program storage 126 successively and is connected to executor 128(Fig. 8 at output).Height Adjustment module 152 is connected to memory 126 and remote controllers 18 via transmitter 134 and receiver 136.
Profile in response to the user who receives from remote controllers 18 via Height Adjustment module 152 is selected (for example, lie low, lie in the right side etc.), and profile selects module 128 to extract suitable outline data from storage device 130.Profile selects module 128 to check by visit data storage device 132 whether the user had before revised the outline data that is used for selected posture.Profile selects module 128 to transmit profile information to executor active module 150, and (altitude information with adjusting is used for manipulation device 128 if any).Executor active module 150 is periodically inquired about Height Adjustment module 152 about whether having any mattress band height to be modified and be different from the value of storage.Height Adjustment module 152 is communicated by letter with remote controllers 18 receiving any request that current mattress profile is adjusted from the user, and stores the request of adjusting.If back one type request, Height Adjustment module 152 access storage 132 are with the appropriate change height or be stored in wherein profile information.The CPU142 of remote controllers 18 comprises and being used for to display 144 energy supplies and the modular parts of collection user via the request of miniature keyboard 146 inputs.
As indicated above, profile selects module 148, executor active module 150 and Height Adjustment module 152 to be realized by the general digital treatment circuit, and described general digital treatment circuit is revised to carry out function of regulating height thereof described herein by the programming from command memory 126.Perhaps profile is selected the integrated circuit that module 148, executor active module 150 and Height Adjustment module 152 can comprise that hardware is connected or a hardware connects and the combination of the circuit of general program modification.
Although described the present invention according to special embodiment and application, those of ordinary skill in the art is taught under the situation that does not break away from the spiritual of the present invention for required protection or surpass claimed scope of the present invention according to this can make additional embodiments and modification.For example, control module can utilize different band height serieses to come pre-programmed with remote controllers, and each different band height series is corresponding to general user's a corresponding sleep posture or a position.During initial use mattress system, the user selects band height series and lie on a bed (not necessarily the leaveing no choice but in this order) of an expection hobby.Then, the band height is adjusted according to its hobby in user selection ground.In case find comfortable configuration, the user can store this via remote controllers (or the console of opening in a minute or miniature keyboard) indication control module and be configured to for using in the future.
The adjustment of mattress band height can realize by the executor of other types (being different from electric mechanical executor discussed above herein).For example, a mattress can comprise a plurality of pressurized compartments that may be operably coupled to compressed air source via corresponding valve, and as at U.S. Patent number 7,107, described in 642, this DISCLOSURE OF INVENTION will be incorporated into herein by reference.According to the present invention, a unique user and a control module be the height (or pressure) to adjust single mattress compartments alternately, thereby constitutes the mattress profile that is stored in the customization of one in the memory with coded format.During using mattress adjustment equipment subsequently, control module increases or reduces pressure in the single compartment according to the customization mattress outline data operated valve that stores.
Therefore, should be appreciated that the drawing and description of this paper are that the mode by example provides so that help to understand the present invention, and should not be interpreted as limiting its scope.
Claims (15)
1. the mattress system that can adjust profile, it comprises:
One support frame, it has at least one base plate member along the bottom periphery of described framework;
One mattress, it has to the resilient upper strata of small part and provides the band of a plurality of independently height-adjustable;
A plurality of executors, it quantitatively equates with described band and is placed between inherent described base plate member of described mattress and the described upper strata;
One control module, it may be operably coupled to described executor, is used to operate described executor, alternately to improve and to reduce the corresponding band on described upper strata; And
One remote controllers, it may be operably coupled to described control module, and described remote controllers have the order input element, and it makes unique user can select the height of described band independently of each other.
2. mattress system according to claim 1, wherein, described executor comprises mechanical linkage.
3. mattress system according to claim 2, wherein, described executor is electronic.
4. mattress system according to claim 1, wherein, each described executor comprises that all one has the motor of Speed Decreaser Gearbox, it may be operably coupled to a helical axis and is used for alternately rotating described axle in opposite direction.
5. mattress system according to claim 4, wherein, described helical axis is connected to a driving gearbox and a nut in each end.
6. mattress system according to claim 1, wherein, each described executor comprises a scissors-like linkage.
7. mattress system according to claim 1, wherein, each described executor comprises at least one cam member.
8. mattress system according to claim 1, wherein, each described executor comprises a screw jack executor.
9. mattress system according to claim 1, wherein, each described executor comprises a rack-and-pinion assembly.
10. mattress system according to claim 1, wherein, each described executor comprises a linear executor.
11. mattress system according to claim 1, wherein, described linear executor is selected from the group of being made up of the linear executor of a hydraulic cylinder, a pneumatic cylinder and a motorization ball screw.
12. mattress system according to claim 1, wherein, described remote controllers have makes unique user can select the order input element of the height of described band independently of each other.
13. a method of adjusting mattress, it comprises:
Provide one have a plurality of height-adjustable band mattress and quantitatively equate with described band and place a plurality of executors with exercisable relation with respect to described mattress with the adjustment of finishing the mattress profile;
Operate described executor so that described band is promoted to corresponding height; And
Operate remote controllers and select the height of the single band of described band, the operation of described executor be consistent as height via the single band of the selected described band of operation of described remote controllers.
14. method according to claim 13, wherein, the operation of described remote controllers comprises the storage data of the height of the single band that produces the Height Adjustment signal and revise the described band of coding automatically.
15. method according to claim 13, wherein, the operation of described executor comprises that operation one control module reference to storage extracts at least in part by the determined mattress altitude information of the operation of described remote controllers.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US45904710P | 2010-12-06 | 2010-12-06 | |
| US61/459,047 | 2010-12-06 | ||
| PCT/CN2011/083502 WO2012075922A1 (en) | 2010-12-06 | 2011-12-06 | Adjustable contour mattress system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103228183A true CN103228183A (en) | 2013-07-31 |
Family
ID=46160826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011800580069A Pending CN103228183A (en) | 2010-12-06 | 2011-12-06 | Adjustable contour mattress system |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20120137444A1 (en) |
| EP (1) | EP2648571A4 (en) |
| JP (1) | JP2013544606A (en) |
| CN (1) | CN103228183A (en) |
| WO (1) | WO2012075922A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110051483A (en) * | 2019-03-21 | 2019-07-26 | 方孙典 | It is a kind of to be spaced raising or be spaced the mattress fallen |
| CN110087511A (en) * | 2016-12-14 | 2019-08-02 | 库斯托姆8有限公司 | Supporting module and adaptive sleep system for adaptive sleep system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8661591B1 (en) * | 2010-09-10 | 2014-03-04 | Travis Sonderland | Shoulder pain alleviating mattress assembly |
| BE1019561A5 (en) * | 2010-10-21 | 2012-08-07 | Vanstraelen Karel | MOTORIZED BED BOTTOM, LATRAL MODULE AND BED. |
| JP5632541B2 (en) * | 2012-06-21 | 2014-11-26 | グリー株式会社 | GAME CONTROL METHOD, GAME SERVER, AND PROGRAM |
| US9504336B2 (en) | 2013-02-13 | 2016-11-29 | Jon Dodd | Configurable bed |
| US9955795B2 (en) * | 2014-06-05 | 2018-05-01 | Matthew W. Krenik | Automated bed and method of operation thereof |
| US10912393B2 (en) * | 2014-12-24 | 2021-02-09 | Mario Cladinoro Piraino | Method and system for forming a support structure such as a bed or chair for a user according to the user's requirements |
| KR101760727B1 (en) * | 2015-07-14 | 2017-07-25 | 주식회사 메드릭스 | Mattress assembly for bed with spinal correcting function |
| US11812858B1 (en) * | 2020-08-19 | 2023-11-14 | Clay Plemmons | Programmable rocking bed |
| WO2022125435A1 (en) * | 2020-12-10 | 2022-06-16 | Soft-Tex International, Inc. | Variable stiffness mattress systems and related methods |
| WO2022265955A1 (en) * | 2021-06-13 | 2022-12-22 | Soft-Tex International, Inc. | Mattress with varying stiffness based on shape memory materials |
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- 2011-12-06 EP EP11846579.8A patent/EP2648571A4/en not_active Withdrawn
- 2011-12-06 US US13/311,614 patent/US20120137444A1/en not_active Abandoned
- 2011-12-06 JP JP2013542358A patent/JP2013544606A/en active Pending
- 2011-12-06 WO PCT/CN2011/083502 patent/WO2012075922A1/en active Application Filing
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| CN110051483A (en) * | 2019-03-21 | 2019-07-26 | 方孙典 | It is a kind of to be spaced raising or be spaced the mattress fallen |
Also Published As
| Publication number | Publication date |
|---|---|
| US20120137444A1 (en) | 2012-06-07 |
| JP2013544606A (en) | 2013-12-19 |
| WO2012075922A1 (en) | 2012-06-14 |
| EP2648571A4 (en) | 2014-04-23 |
| EP2648571A1 (en) | 2013-10-16 |
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