CN201894725U - Foldable body massager - Google Patents

Abstract

The utility model relates to a foldable body massager. The foldable body massager is provided with a backrest part and a seat support part, wherein the seat support part can be connected with the backrest part by a pivot in a rotary way, at least one of the backrest part and the seat support part is provided with a center area, massage components are arranged in the center area, and at least one lateral outside pad part can be connected with the center area by a pivot in a rotary way so that the pad can be folded on the center area.

Description

Folding body massager

The cross reference of related application

The application requires to enjoy the rights and interests of No. the 61/153rd, 734, the U.S. Provisional Application submitted on February 19th, 2009, and the disclosure of this application is all incorporated into by reference at this.

Technical field

Different embodiments relate to portable body massager.

Background technology

(authorize and be U.S. Patent No. 7,128,721B2) disclose a kind of body massager that comprises portable enclosure, this portable enclosure comprises backrest and seat support to U.S.2005/0245851A1.Be provided with longitudinal guide in the backrest, it cooperates with travelling carriage (carriage) so that travelling carriage moves in backrest, and a motor drives travelling carriage along guider.A pair of massage members is supported by travelling carriage and extends from backrest, is used for transmitting massage effect at the back of user.Seat support comprises masseur therein, user is transmitted another kind of massage effect.

U.S. Patent No. 7,470,242B2 discloses a kind of portable body massager that comprises portable enclosure, and this portable enclosure comprises backrest and seat support.Be provided with longitudinal guide in the backrest, it cooperates with travelling carriage so that travelling carriage moves in backrest, and a motor drives travelling carriage along guider.A pair of massage members is supported by travelling carriage and extends from backrest, is used for back transmission rolling massage effect at user.The described massage members of second Motor Drive is used for producing and a kind ofly rotates the kneading massage effect or be used for regulating the width of rolling massage effect.

U.S. Patent No. 7,419,475B2 discloses a kind of massage machine with shell, and described shell has the massage formation that is used to contact the user body part.Massage mechanism is positioned in the described shell, is used for transmitting massage effect to massage formation.Light source is arranged on the massage formation, to transmit illuminating effect from massage formation.The masseur of partially transparent is disclosed the effect of visualization of the massage operation that is used to provide following.Further, provide the roller massage assembly, the load that wherein is delivered to roller directly is assigned to the structure of masseur, to prevent that sharing of load is to massage mechanism.

The massage machine that WO 2009/061309A1 provides is provided with shell and is used to rotate on the shell and by motor-driven matrix.Massage node and positive temperature coefficient (PTC) heater is installed on the matrix.In the selection course of matrix, pair of contacts and a pair of brush keep the electrical engagement of ptc heater and shell.Another embodiment provides infrared light-emitting diode (LED) in the bottom of massage node, this infrarede emitting diode since contact and brush and with the shell electrical communication.Another embodiment provides a kind of and has been used for by providing the massage machine that is provided with massage mechanism, ptc heater and a plurality of infrared LEDs to transmit the method for heating massage effect.Transmit the warm-up operation of massage effect and beginning ptc heater and LED.In case massage mechanism reaches predetermined temperature, just interrupt the warm-up operation of ptc heater.

WO 97/31607A1 provides a kind of massage machine that uses hand held controller, and described hand held controller comprises microcontroller, activates a plurality of vibrators that are positioned at mat to utilize pulse width modulating signal.Microcontroller is compiled to and makes that each zone can be by independent and continuously, activate simultaneously and continuously, or with the optional speed of user control by sequencing.Hand held controller uses the multiplexing technique of switch input and LED output, via eight switch inputs using the microcontroller that 13 I/O lines are only arranged, controls 12 LED and five vibrating motors.Also provide the alarm intervalometer to remind user equipment to open with periodic interval.

KR 10-2005-0015522A provides a kind of multi-functional mat, it can various uses use, so that it can be adjusted to the mat that is used for bed, sofa and couch, and can also easily use the storage that is used for it to be folded, improve the health of user thus.Described multi-functional mat forms with rectangular shape, and constitutes the coupled a plurality of unit of difference independently of one another pad.The unit pad mainly is made up of polyurethane, polyester and cotton.Mat member is received within the unit pad, and covering capping unit pad, provides convenience durable thus and the deodorant pad.A plurality of bioceramices, vibromasseur and bioceramic lamp are installed to the units corresponding pad respectively to improve the health of user.

US 6,409, and 689B1 discloses a kind of folding Massage cushion.Massage cushion is included in the guide rail that the one end has the mat main body of outstanding medicated pillow part and has first end and second end.Described guide rail is disposed in the mat main body and in the longitudinal middle part of mat main body and extends.Guide rail has at least two parts that mutual pivotally connects.Gear-box is arranged in the position of adjacent rail first end in the outstanding medicated pillow part of mat main body.Chain-wheel box is arranged in the position of adjacent rail second end in the mat main body.Dc motor is comprised, in order to driving gearbox.Travelling carriage has relative two ends and can move along guide rail.Chain stretches and has the two ends of the opposite end that is attached to travelling carriage between gear and sprocket wheel.Chain is driven by gear-box.

U.S.2005/0245851A1 (authorizes and is U.S. Patent No. 7,128,721 B2), U.S. Patent No. 7,470,242B2, U.S. Patent No. 7,419, problem among 475B2 and WO 2009/061309 A1 and shortcoming are that above list of references only provides masseur to be in mat masseur on the travelling carriage, and these masseurs are not collapsible.Although and the masseur that provides among WO 97/31607 A1 and the KR10-2005-0015522A is folding, these masseurs do not provide the benefit of travelling carriage masseur.US 6,409, and problem among the 689B1 and shortcoming are not have the seat support section.

The utility model content

The purpose of this utility model provides a kind of folding body massager.

This utility model provides a kind of folding body massager, comprising:

Back part;

The seat support section, it pivotally is connected to described back part, and wherein, at least one in described back part and the described seat support section has the central area;

Massage assembly, it is arranged in the described central area; And

At least one lateral outer side mat part, it pivotally is connected to described central area, so that be folded on the described central area.

At least one lateral outer side mat partly also can comprise a pair of lateral outer side mat part, and each of described a pair of lateral outer side mat part pivotally is connected to the central area at its opposed lateral surface place.

The central area can be arranged on the back part; Wherein, the seat support section can have the central area; And wherein, folding body massager also can comprise another lateral outer side mat part at least, and described another lateral outer side mat part at least pivotally is connected to the central area of seat support section, so that be folded on the central area.Described another lateral outer side mat at least partly also can comprise a pair of lateral outer side mat part, and each of described a pair of lateral outer side mat part pivotally is connected to the central area of seat support section at its opposed lateral surface place.

Described folding body massager also can comprise covering, and described covering surrounds central area and at least one lateral outer side mat part, and described covering can provide being movably hinged as pivot connector.Described covering can be pulled into together between central area and at least one lateral outer side mat part, is movably hinged so that provide.Described folding body massager also can comprise suture, and described suture pulls described covering together as being movably hinged.Described folding body massager also can comprise binding agent, and described binding agent pulls described covering together as being movably hinged.

In the folding position of masseur, at least one lateral outer side mat part can be folded on the central area between back part and seat support section.Described folding body massager also can comprise covering, described covering can provide the middle extension between back part and seat support section, and described middle extension is sized to the thickness with back part and spaced apart at least one the lateral outer side mat part of seat support section.

The pivot connector of at least one lateral outer side mat part can allow masseur to be configured to the various following stayed surfaces or the profile of chair.

Described folding body massager also can comprise band, and described band is used for masseur being fixed to chair and being used for masseur is remained on the folding position.

Back part can be sized on the backrest that is received in conventional chair.

The seat support section can be sized on the seat support member that is received in conventional chair.

Back part can have about 670 millimeters height.

Back part can have about 480 millimeters width.

Masseur occupies smaller volume during comparable being unfolded when being folded.

When being in the folding position, masseur can have about 670 millimeters total height, about 170 millimeters total depth and about 240 millimeters overall width.

This utility model also provides a kind of folding body massager, comprising:

Back part, it has central area and a pair of lateral outer side mat part, each of described a pair of lateral outer side mat part pivotally is connected to described central area at its opposed lateral surface place, so that be folded on the described central area of described back part;

The seat support section, it pivotally is connected to described back part, described seat support section has central area and a pair of lateral outer side mat part, each of described a pair of lateral outer side mat part pivotally is connected to described central area at its opposed lateral surface place, so that be folded on the described central area of described seat support section; And

Massage assembly, it is arranged at least one the described central area in described back part and the described seat support section.

This utility model provides a kind of method that is used for folding body massager, comprising:

Back part with central area and a pair of lateral outer side mat part is provided, and each of described a pair of lateral outer side mat part pivotally is connected to described central area;

Seat support section with central area and a pair of lateral outer side mat part is provided, described central area pivotally is connected to the backrest central area, and each of described a pair of lateral outer side mat part pivotally is connected to zone, seat centre of support;

Backrest lateral outer side mat is partly pivoted on the backrest central area;

Making seat support the lateral outer side mat partly pivots on the seat support region; And

Backrest is rotated, so that the described lateral outer side mat of described backrest and described seat support region is partly remained between described backrest and the described seat support region towards the seat support region pivot.

Folding body massager provided by the utility model can provide multiple massage effects such as rolling massage effect, kneading massage effect, vibromassage effect.

Description of drawings

Fig. 1 is the front perspective view according to the body massager of embodiment of the present utility model;

Fig. 2 is another front perspective view of the body massager of Fig. 1;

Fig. 3 is the side view of the body massager of Fig. 1;

Fig. 4 is another front perspective view that is shown as Fig. 1 body massager that is in folded directional;

Fig. 5 is that it is shown as and is in complete expanded position according to the front perspective view of the body massager of another embodiment of the present utility model;

Fig. 6 is the perspective view of the body massager of Fig. 5, and it is shown as with floor and wall and uses together;

Fig. 7 is another perspective view of the body massager of Fig. 5, and it is shown as with office seats and uses together;

Fig. 8 is the perspective view of the body massager of Fig. 5, and it is shown as the folding position that mediates; And

Fig. 9 is the front perspective view of the body massager of Fig. 5, and it is shown as and is in complete folding position.

The specific embodiment

As requested, at this detailed embodiment of the present utility model is disclosed; However, it should be understood that disclosed embodiment only is an example of the present utility model, and this utility model can be implemented by various and selectable forms.Accompanying drawing may not be drawn in proportion; Some features may be exaggerated or be dwindled, to show the details of specific features.Therefore, specific structural details disclosed herein and function detail should not done restrictive explanation, and only are to realize representative basis of the present utility model as the representative basis of claim and/or as being used for teaching those skilled in the art many-sidedly.

With reference to Fig. 1, showed folding body massager, and it usually is denoted as numeral 10 according to embodiment.Body massager 10 comprises back part 12 and seat support section 14.The intraware of back part 12 and seat support section 14 is jointly remained in the flexible covers 16 that can be formed by high-quality vinyl or fabric.Certainly, can adopt other material such as leather to covering 16.Covering 16 provides pivot connector 18 at the bottom of back part 12 longitudinal end and in the last end of seat support section 14.The flexible material of covering 16 provides at pivot connector 18 places and is movably hinged (living hinge), regulates angle between back part 12 and the seat support section 14 to allow the user.According to an embodiment, can provide the body massager 10 that does not have seat support section 14.

Rolling massage effect and the kneading massage effect that provides in the back part 12 is provided the massage effect that is provided by body massager 10, and back part 12 is exercisable, to provide longitudinally along the massage effect of the length of back part 12.Fig. 1 diagrammatically shows the rolling massage effect and the kneading massage effect of massage assembly 20, and this massage assembly 20 provides the rotation kneading of being represented by arcuate arrows effect.Massage assembly 20 is providing longitudinally along the rolling massage effect of the length of back part 12 shown in the vertical arrow among Fig. 1 also.In addition, massage assembly 20 provide as Fig. 1 by arcuate arrows and the vertically kneading massage effect shown in the combination of arrow and the combination of rolling massage effect.These massage effects are disclosed in the U.S. Patent No. 7,128 of authorizing people such as Ferber on October 31st, 2006, among the 721B2; The disclosure of this patent is incorporated into by reference at this.Disclosed in the patent as people such as Ferber, seat support section 14 also can provide the vibromassage effect to the user who sits thereon.

People's such as Ferber ' 721 patent designs for monomotor.This utility model consider to use the double motor design, such as the U.S. Patent No. 7,470 that December in 2008 was authorized people such as Ferber on the 30th, disclosed double motor design among the 242B2; The disclosure of this patent is incorporated into by reference at this.Certainly, this utility model considers to be used for any known massage assembly of mat masseur (cushion massager), the people's such as Ferber that announced in 2nd such as JIUYUE in 2008 U.S. Patent No. 7,419, the disclosed kneading massage assembly that has roller among the 475B2, this patent is incorporated into by reference at this.Selectively, massage assembly 20 can be vibratory massage assemblies, or with the kneading massage assembly of vibratory massage assemblies combination.In addition, submitted to and be published as among International Patent Application PCT/US07/83604 of WO 2009/061309A1 disclosedly by people such as Ferber as on November 5th, 2007, massage assembly 20 also can be heated, and this application is incorporated into by reference at this.

Back part 12 is sized on the backrest that is received in conventional chair.Similarly, seat support section 14 is sized on the seat support member that is received in conventional chair.In addition, body massager 10 is owing to its compact size is of portable form, and in light weight, makes the user this body massager 10 can be placed on the conventional chair, so that receive massage on being sitting in chair the time.The adjustability of the angle between back part 12 and the seat support section 14 is adapted to can be contained in the angle of the wide region in the conventional chair.Selectively, stayed surface that can be below being shelved on uses body massager 10 such as on the floor and the contiguous support member that reclining simultaneously during such as wall.Selectively, body massager 10 can put down is placed on following stayed surface such as on bed, floor or the analog, and wherein the user can lie on the body massager 10.

Seat support section 14 comprises the seat surface 22 that is used for receiving the user when the user takes a seat.Back part 12 comprises and is used to receive and the backrest surface 24 at the back of supporting user.The massage assembly 20 of back part 12 is given massage effect by backrest surface 24.Similarly, at least one embodiment, the massage assembly of seat support section 14 is given massage effect by seat surface 22.

Back part 12 comprises corresponding to the height of conventional chair and width, and has enough massage assembly 20 to be covered on and wherein avoid destroying the comfortableness that provided by following chair and the thickness of supportive simultaneously.For example, the height of backrest 12 can be approximately 670 millimeters, and width can be approximately 480 millimeters.

Similarly, seat support region 14 has width and the corresponding width of the degree of depth and the degree of depth with conventional seat support member, and has in use enough massage assembly with association and cover and avoid destroying the comfortableness that provided by following chair and the thickness of supportive simultaneously.For example, the width of seat support region 14 can be 430 millimeters, and the degree of depth can be 455 millimeters.Certainly, this utility model considers that body massager can have is enough to any yardstick of being received by any conventional chair.Yet disclosed yardstick is suitable for the most conventional chair.

In addition, back part 12 can comprise a pair of band, and this installs from its lateral surface band, so that body massager 10 is fixed to conventional chair.

Referring now to Fig. 2, body massager 10 is schematically represented as does not have massage assembly 20.Back part 12 comprises central area 26 and a pair of lateral outer side zone (laterally outboardregion) 28,30.In the exterior lateral area 28,30 each has the pivot connector 32,34 pivotally connected with central area 26.These pivot connectors 32,34 are provided by being movably hinged in the covering 16.Therefore, the outer housing that is used for massage assembly 20 is set in the central area 26.26 transverse edge place, the outside is pulled into together by suture, binding agent or analog the material of covering 16 in the central area, so that pivot connector 32,34 to be provided.Mat or the gasket material that is provided such as high-density foam or low density foam by foam can be provided exterior lateral area 28,30 separately.Foam can keep the shape of exterior lateral area 28,30, provides comfort and the supportive that adds the cushions to the user simultaneously when reclining backrest surface 24.The expanded position of exterior lateral area 28,30 shown in figure 2, back part 12 is provided with homogeneous thickness haply, shown in the side view of this Fig. 3.The pivot connector 32,34 of back part 12 allows being folded like that shown in back part 12 image patterns 4.Exterior lateral area 28,30 in Fig. 4 with dash lines show for being in expanded position, so that the travel range between explanation expanded position and the folding position.

Referring again to Fig. 2, seat support section 14 is provided with central area 36 and a pair of lateral outer side zone 38,40.In the lateral outer side part 38,40 each is provided with the pivot connector 42,44 with central area 36.In the seat support region 36,38,40 each comprises cushion or the bedding and padding that are arranged in wherein.Covering 16 each place in pivot connector 42,44 is pulled into together, is movably hinged and with zone each separation in 36,38,40 to provide.Massage assembly can be set in any cushion in these zones 36,38,40 such as vibratory massage assemblies.In Fig. 3, the zone 36,38,40 of seat support section 14 jointly has homogeneous thickness, so that provide uniform seat to support to the user.

With reference to Fig. 4, body massager 10 with solid line illustrated for folding fully, and expanded position shown in broken lines.For rumble seat supporting zone 14, exterior lateral area 38,40 folds into above the central area 36 about pivot connector 42,44.Subsequently, whole seat support section 14 rotates around pivot connector 18 pivots with back part 12, and therefore is folded in above the folding seatback portion 12.

In case after folding, body massager 10 occupies smaller volume.For example, the folding body massager 10 of Fig. 4 has about 670 millimeters total height, the overall width of 170 millimeters total depth and 240 millimeters.Therefore, for the slight increase of the degree of depth, provide the substantial minimizing of width.Therefore, Zhe Die masseur occupies much smaller volume than the masseur of prior art.The different each side that the advantage of folding masseur 10 can be related to body massager 10 transaction recognize.Originally, manufacturer may recognize compact advantage, because store body massager 10 and shipment body massager 10 requirements volume still less.Because the volume that shipment body massager 10 requires is less, so the shipment cost reduces.In addition, whole seller and retailer may recognize the advantage that stores and load and transport requirement volume still less.The masseur 10 that the retailer also experiences display pack requires the advantage of littler volume.At last, the terminal use experiences the advantage of the volume that reduces, because the storage area that storage body massager 10 requires still less.

Referring now to Fig. 5, show another kind of folding body massager 46 according to embodiment of the present utility model.Body massager 46 comprises back part 48 and seat support section 50.Covering 52 is set at back part 48 and above the seat support section 50.Covering 52 provides the middle extension 54 between back part 48 and seat support section 50.Middle extension 54 is spaced apart with back part 48 and seat support section 50.In addition, covering 52 provides the pivot connector 56 between back part 48 and middle extension 54.Similarly, covering 52 also provides the pivot connector 58 between seat support section 50 and middle extension 54.

Back part 48 comprises central area 60 and pair of outside zone 62,64.By suture, binding agent or the analog between in these zones each, covering 52 is pulled into together, thereby between exterior lateral area 62 and central area 60, provide pivot connector 66, and between exterior lateral area 64 and central area 60, provide pivot connector 68.Central area 60 comprises the outer housing that has massage assembly 70.Covering 52 comprises the center plane materiel 72 above the backrest surface 88, transmits massage by this center plane materiel 72.Similar with previous embodiment, exterior lateral area 62,64 surrounds foam bedding and padding or analog separately. Exterior lateral area 62,64 is narrower than existing embodiment, thereby allows the major part of backrest surface 74 to be used to give massage effect.

Seat support section 50 is provided with central area 76 and a pair of lateral outer side zone 78,80.Be sewn to together between covering 52 each in these zones, thereby between central area 76 and exterior lateral area 78, provide pivot connector 82, and between central area 76 and exterior lateral area 80, provide pivot connector 84.

Be arranged on the central area 60,76 of back part and seat support section 48,50 and another advantage of the pivot connector 66,68,82,84 between the exterior lateral area 62,64,78,80 and be that flexible masseur 46 is configured to be suitable for conventional chair or other purposes of various profiles.Referring now to Fig. 6, show and be applied in following stayed surface such as above the floor 86 and leaning to the body massager 46 of wall 89.Referring now to Fig. 7, show the masseur 46 that is applied on the office chair 90.

In Fig. 8, show the body massager 46 that when being folded, mediates.Body massager 46 comprises band 92, and this band 92 can be used to body massager 46 is fixed to chair and analog.Pivot connector 56,58 between the masseur part 48,50 of middle extension 54 and correspondence is set at location foremost, so that provide pivot connector as the hinge that is adjacent to the surface that is folded together.Similarly, back pivot connector 66,68 is positioned adjacent to backrest surface 74 (Fig. 5), makes the backrest surface 74 that is positioned on each exterior lateral area 62,64 be folded on the backrest surface 74 of central area 60.Similarly, seat supporting pivot connector 82,84 is configured to be adjacent to the seat surface 94 (Fig. 5) of seat support section 50.Therefore, the seat surface 94 of exterior lateral area 78,80 can be folded on the seat surface 94 of central area 76.

In addition, middle extension 54 is sized to backrest central area 60 and zone, seat centre of support 76 spaced apart enough distances, so that exterior lateral area 62,64,78,80 is remained between backrest central area 60 and the zone, seat centre of support 76.

Referring now to Fig. 9, show folding fully body massager 46.Band 92 can be used to extend around seat support section 50, and body massager 46 is remained on the folding position.Body massager 46 also can comprise controller 96, and this controller 96 also can be remained in the band 92 compactly.

Though showed and described embodiment of the present utility model, not showing that these embodiments are showed and described institute of the present utility model might form.But employed vocabulary is descriptive vocabulary and nonrestrictive vocabulary in the description, and should be understood that and can make various changes and do not deviate from spirit and scope of the present utility model.In addition, the feature of the embodiment of various realizations can be combined, to form further embodiment of the present utility model.

Claims (19)

1. folding body massager comprises:

Back part;

The seat support section, it pivotally is connected to described back part, and wherein, at least one in described back part and the described seat support section has the central area;

Massage assembly, it is arranged in the described central area; And

At least one lateral outer side mat part, it pivotally is connected to described central area, so that be folded on the described central area.

2. folding body massager as claimed in claim 1, it is characterized in that, described at least one lateral outer side mat part also comprises a pair of lateral outer side mat part, and each of described a pair of lateral outer side mat part pivotally is connected to described central area at its opposed lateral surface place.

3. folding body massager as claimed in claim 1 is characterized in that, described central area is arranged on the described back part;

Wherein, described seat support section has the central area; And

Wherein, described folding body massager also comprises another lateral outer side mat part at least, described another lateral outer side mat part at least pivotally is connected to the described central area of described seat support section, so that be folded on the described central area.

4. folding body massager as claimed in claim 3, it is characterized in that, described another lateral outer side mat part at least also comprises a pair of lateral outer side mat part, and each of described a pair of lateral outer side mat part pivotally is connected to the described central area of described seat support section at its opposed lateral surface place.

5. folding body massager as claimed in claim 1, it is characterized in that, also comprise covering, described covering surrounds described central area and described at least one lateral outer side mat part, and described covering provides being movably hinged as pivot connector.

6. folding body massager as claimed in claim 5 is characterized in that, described covering is pulled into together between described central area and described at least one lateral outer side mat part, is movably hinged so that provide.

7. folding body massager as claimed in claim 6 is characterized in that, also comprises suture, and described suture pulls described covering together as being movably hinged.

8. folding body massager as claimed in claim 6 is characterized in that, also comprises binding agent, and described binding agent pulls described covering together as being movably hinged.

9. folding body massager as claimed in claim 1 is characterized in that, in the folding position of described masseur, described at least one lateral outer side mat part is folded on the described central area between described back part and described seat support section.

10. folding body massager as claimed in claim 9, it is characterized in that, also comprise covering, described covering provides the middle extension between described back part and described seat support section, and described middle extension is sized to the thickness with described back part and spaced apart described at least one the lateral outer side mat part of described seat support section.

11. folding body massager as claimed in claim 1 is characterized in that, the pivot connector of described at least one lateral outer side mat part allows described masseur to be configured to the various following stayed surfaces or the profile of chair.

12. folding body massager as claimed in claim 1 is characterized in that, also comprises band, described band is used for described masseur being fixed to chair and being used for described masseur is remained on the folding position.

13. folding body massager as claimed in claim 1 is characterized in that described back part is sized on the backrest that is received in conventional chair.

14. folding body massager as claimed in claim 1 is characterized in that, described seat support section is sized on the seat support member that is received in conventional chair.

15. folding body massager as claimed in claim 1 is characterized in that described back part has about 670 millimeters height.

16. folding body massager as claimed in claim 1 is characterized in that described back part has about 480 millimeters width.

17. folding body massager as claimed in claim 1 is characterized in that, described masseur occupies smaller volume when ratio is unfolded when being folded.

18. folding body massager as claimed in claim 1 is characterized in that, described masseur has about 670 millimeters total height, about 170 millimeters total depth and about 240 millimeters overall width when being in the folding position.

19. a folding body massager comprises:

Back part, it has central area and a pair of lateral outer side mat part, each of described a pair of lateral outer side mat part pivotally is connected to described central area at its opposed lateral surface place, so that be folded on the described central area of described back part;

The seat support section, it pivotally is connected to described back part, described seat support section has central area and a pair of lateral outer side mat part, each of described a pair of lateral outer side mat part pivotally is connected to described central area at its opposed lateral surface place, so that be folded on the described central area of described seat support section; And

Massage assembly, it is arranged at least one the described central area in described back part and the described seat support section.

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