CN107685663A - Integrated panel arm support structure - Google Patents

Abstract

A kind of seat assembly, it includes with framework and padded the backrest of assembly.Cushion bracket includes limiting the lower member of framework reception cavity.First group of rib is extending across framework reception cavity on the direction of the longitudinal extent of lower member.First group of rib extends between lower member and the lower support of framework.Second group of rib is parallel with first group of rib.Than first group rib of second group of rib is longer.

Description

Integrated panel arm support structure

Technical field

This patent disclosure relates generally to a kind of seat assembly, and more particularly relate to the seat of seat assembly The comfortable bracket of backrest.

Background technology

Seat assembly typically comprises backrest, and backrest is used to supporting in upright sitting posture and various swayed The back of the passenger of posture.It is similar to the other parts of seat assembly, backrest be typically designed to when vehicle accelerate, The passenger in upright sitting posture is supported when turning to and colliding.Therefore, backrest is substantially rigid and phase in structure When big.

The content of the invention

According to the one side of the disclosure, a kind of seat assembly includes with framework and padded the backrest of assembly.Cushion bracket Lower member including limiting framework reception cavity.First group of rib extends across on the direction of the longitudinal extent of lower member More framework reception cavity.First group of rib extends between lower member and the lower support of framework.Second group of rib and first group of rib It is parallel.Than first group rib of second group of rib is longer.

According to another aspect of the present disclosure, a kind of seat assembly includes with framework and padded the backrest of assembly.Pad support Frame includes limiting the lower member of framework reception cavity open backward.Multiple vertically-oriented ribs are perpendicular to the vertical of lower member It is positioned as on to the direction of scope across the framework reception cavity opened backward.The lower support of multiple vertically-oriented rib adjoining frameworks Part.

According to the another aspect of the disclosure, a kind of seat assembly includes with framework and padded the backrest of assembly.Pad support Frame includes limiting the lower member of framework reception cavity.Multiple ribs extend across on the direction of the longitudinal extent of lower member More framework reception cavity.Multiple ribs extend between lower member and the lower support of framework.

Those skilled in the art are once research following description, claims and drawing it can be understood that and understanding of the invention These and other aspect, purpose and feature.

Brief description of the drawings

In figure：

Fig. 1 is the birds-eye perspective of one embodiment of the seat assembly of the disclosure；

Fig. 2 is the birds-eye perspective of Fig. 1 seat assembly, but the major part in seat assembly is shown with dotted line Show and seat back brackets are shown with solid line；

Fig. 3 is the front elevation view of Fig. 2 seat back brackets；

Fig. 4 is the side elevation view of Fig. 2 seat back brackets；

Fig. 5 is the top perspective exploded view of the vehicle seat back assembly of the disclosure；

Fig. 6 is the top rear perspective view of Fig. 5 seat back brackets；

Fig. 7 is the rear elevation view of Fig. 6 seat back brackets；

Fig. 8 is birds-eye perspective of Fig. 5 seat back brackets before installation side advance expenditure support part；

Fig. 9 is Fig. 8 seat back brackets and the front elevation view of advance expenditure support part；

Figure 10 is the amplification birds-eye perspective of the seat back brackets of the disclosure；

Figure 11 is the front elevation view of Figure 10 seat back brackets；

Figure 12 is the top cross-sectional view in the interception of Figure 11 line XII-XII positions；

Figure 13 is the vertical view facade sectional view through Figure 11 line XIII-XIII interceptions；

Figure 14 is Figure 11 line XIV-XIV vertical view facade sectional view；

Figure 15 is Figure 11 region XV front elevation view；

Figure 16 is Fig. 9 region XVI front elevation view；

Figure 17 is the vertical view facade sectional view after connecting elements engagement；

Figure 18 is the vertical view facade sectional view after Figure 17 connecting elements separation；

Figure 19 is Figure 10 region XIX birds-eye perspective；

Figure 20 is Fig. 6 rear perspective of the seat back brackets in region X-X；

Figure 21 is Fig. 9 partial elevational elevation of the seat back brackets in region XXI-XXI；

Figure 22 is the rear perspective of the bracket portion shown in Figure 21；

Figure 23 is the face upwarding view of a part for seat back brackets；

Figure 24 is mounted in the rear face upwarding view of the seat back brackets on backrest；And

Figure 25 is the rear face upwarding view of the seat back brackets for the Figure 24 for being provided with pad assembly.

Embodiment

For the illustration purpose in the disclosure, term " on ", " under ", " right side ", " left side ", " rear ", " preceding ", " vertical ", " level " And its derivative, should be associated with the disclosure with the orientation in Fig. 1.It should be understood, however, that except clear stipulaties are mutually on the contrary Place, the disclosure can take various optional orientations.It should also be understood that shown in the accompanying drawings and description below description Specific device and program be only inventive concept defined in the appended claims exemplary embodiment.Therefore, unless right It is required that explicitly stated otherwise, be related to the specific dimensions of the embodiment disclosed herein and other physical characteristics be not considered as it is restricted 's.

In this document, such as the relational languages of first and second, top and bottom etc. is only used for an entity or dynamic Make to be distinguished with another entity or action, and not necessarily require or imply any this reality between these entities or action Border relation or order.Term "comprising", " composition " or its any other change, it is intended to cover including for nonexcludability so that Program, method, product or device comprising a series of elements not only include these elements, but can include not arranging clearly Lift or these programs, method, product or the intrinsic other elements of device.In the case of more multiple constraint, before connect The element for connecing " including ... one " is not precluded within the process comprising the element, method, product or device in the presence of additionally identical Element.

The embodiment totally shown with reference to figure 1-22, reference 10 are indicated generally at the seat for including backrest 12 Assembly, backrest 12 have the backboard 14 with preceding closed plate 16.Bracket 18 be supported on the inside of backrest 12 and including Upper chest region 20 with peripheral support portion 22.Before peripheral clearance 24 is limited to closed plate 16 and upper chest region 20 it Between.The bottom 26 in upper chest region 20 includes the lower wall 28 with sinusoidal construction.Seat assembly 10 also includes Lower waist region 32 with peripheral support portion 34.Before peripheral clearance 36 is limited to closed plate 16 and lower waist region 32 it Between.The upper part 38 in lower waist region 32 includes the upper wall 40 with sinusoidal construction.Multiple female connectors 42 The lower wall 28 in upper chest region 20 is connected with the upper wall 40 in lower waist region 32.

With reference to figure 1 and Fig. 2, the total structure of seat assembly 10 is used in the inside of vehicle 50 and except restriction backrest Also include the seat 52 for limiting seat surface 51 outside the backrest 12 on surface 53.Both seat 52 and backrest 12 are respectively Including the pad assembly 54,55 being disposed thereon.Totally it is contemplated that vehicle 50 can include such as car, lorry or van-type The motor vehicle of lorry, and seat assembly 10 is adjustable in vehicle 50.Pad assembly 54 is connected with seat mount 56, Simultaneously assembly 55 is padded to be supported on backrest frame 57.Seat assembly 10, which is positioned at, to be slided on assembly 60, slides assembly 60 include slide rail 62 and slide 64.Slide rail 62 is generally fastened on the floor 66 of vehicle 50 and slide 64 is fastened to vehicle seat On chair assembly 10.Slide rail 62 and slide 64 are slidably adjusted between each other, so that before seat assembly 10 can be in vehicle 50 After adjust.Seat assembly 10 also includes various other adjustable sexual functions, and these other adjustable sexual functions include backrest 12 adjustability, also including tilt function, the adjustability of backrest 12 can include upper chest and lumbar support portion is adjustable Property.Seat 52 and adjustable and including thigh and leg regulation.

With reference to figure 2-6, in an illustrated embodiment, the bracket 18 for backrest 12 is configured to support the weight of passenger Amount, passenger pressure is applied to the pad assembly 55 being arranged on backrest 12.Therefore, bracket 18 generally pad assembly 55 with Interface is produced between the structure member of backrest 12.Bracket 18 includes a variety of tie points, for padding assembly 55 and face Layer 74 connects, and is directly connected to backrest frame 57.Bracket 18 is overall by upper chest region 20 and lower waist area Domain 32 limits.The lower wall 28 in upper chest region 20 is connected by female connector 42 with the upper wall 40 in lower waist region 32.On Portion chest area 20 generally defines internal cavities 80, in the internally positioned cavity 80 in fan support portion 82.Similarly, waist of lower part Portion region 32 also defines central space 84, and central space 84 can include climatic comfort structure, lumbar support structure etc..

With reference to figure 2-4 and 6-9, bracket 18 includes upper notch part 90, and upper notch part 90 is configured to receiving and set Put the head restraint 92 on the top section 94 of backrest 12.In addition, bracket 18 includes multiple surface layer locators 96, Surface layer locator 96 is set around the peripheral edge 98 of bracket 18.Surface layer locator 96 is configured to receive around the outer of surface layer 74 Enclose the fastener of 100 settings.Anchor design is directly engages with the peripheral edge 98 of bracket 18, so as on Support bracket 18 Surface layer 74 and pad assembly 55.In addition, the upper chest region 20 of bracket 18 includes snapping fit attachment hole 110, the company of being clasped Connect hole 110 to be designed as receiving snap fit connection, snap fit connection is arranged on the be hinged upper chest of backrest 12 The front side of supporting part.Multiple surface layer fixing components 120 are positioned adjacent to the intermediate space being limited in upper chest region 20 122.Surface layer fixing component 120 separates and is designed as engaging the middle fastening on the dorsal part of surface layer 74 at predetermined distances Part.In addition, multiple spacer holes 124 are arranged between each surface layer fixing component 120.

Referring again to Fig. 2-4 and 6-9, fan support portion 82 is operably connected to the lower wall 28 in upper chest region 20, And also it is connected with the first and second angled supporting parts 130,132.In first and second angled supporting parts 130,132 Each of extend into the intermediate space 122 in upper chest region 20 and all include wavy configuration or sinusoidal structure Make.This structure allows fan support portion 82 flexible and can moved, and to adapt to the user of different weight, and is also adapted to energy Enough influence the different gestures and load of backrest 12.As it was previously stated, the base section in upper chest region 20 includes having ripple The lower wall 28 of columnar structure or sinusoidal construction.Especially, the wavy configuration or sine of the lower wall 28 in upper chest region 20 Curved configuration is generally in the in-plane wave parallel with the seat surface at seat 52.Therefore, the fluctuation is leaned on relative to seat Back surface extends forwardly and rearwardly.The upper wall of the upper part in lower waist region 32, more specifically lower waist region 32 40, which also include sinusoidal, constructs.The sinusoidal of the upper wall 40 in lower waist region 32 is constructed also relative to backrest 12 forwardly and rearwardly fluctuate.It should be understood that bracket 18 is generally the complementary with the back shape with passenger of arc.More Body, upper chest region 20 forms the shape for generally holding and supporting the upper back of passenger, while lower waist region 32 It is designed as holding and supports the lower back portion of passenger.

Referring now to Fig. 5, in the embodiment shown, the backrest 12 of seat assembly 10 includes following part.Seat Framework 56 is connected with seat 52 and provides structural support generally for passenger.The rear portion of backboard 14 and backrest frame 57 Connection.Head restraint 92 is arranged in the top of backrest frame 57 and is operably connected with it.Head restraint 92 can include various functions --- including being moved forward and backward and including moving up and down --- with more preferable twelve Earthly Branches Support the head of passenger.In addition, seat assembly 10 includes upper chest supporting part 116, upper chest supporting part 116 can to It is preceding to be adjusted between position backward.Upper chest supporting part 116 is located at before preceding closed plate 16.Preceding closed plate 16 includes upper Portion part 156 and low portion 158.The upper part 156 of preceding closed plate 16 be wrapped in backrest frame 57 front portion and It is connected with hard backboard 14.The low portion 158 of preceding closed plate 16 engaged with the low portion of backrest frame 57 and with it is hard The lower bond of backboard 14.Peripheral clearance 24 is limited between the upper part 156 in chest supporting portion 116 and preceding closed plate 16. Peripheral clearance 24 is also located between lower waist region 32 and the low portion 158 of preceding closed plate 16.First and second collateral supports Component 164,166 is configured to be fastened to the side of bracket 18.The whole side supporting member 164,166 of bracket 18 and first and second It is designed as engaging with the upper part 156 of preceding closed plate 16 and low portion 158.Meanwhile the supporting pad assembly 55 of bracket 18 and face Layer 74.Assembly 55 is padded by glue or bonding agent, or passes through the fastener for being configured to the front portion of joint sheet assembly 55 as previously disclosed It is operably connected with surface layer 74.

Referring now to Fig. 6-10,15 and 16, bracket 18 includes the opening 170 on every side in lower waist region 32.Open Mouth 170 is designed for receiving the fastener 172 in each of the first and second side supporting members 164,166.In addition, to The lower process portion 174 of front extension is configured to engage with the hole 176 with peripheral groove 178.Hole 176 be configured to receive and Fixed protrusion 174, so that the first and second side supporting members 164,166 are maintained on bracket 18.In addition, the second lower process portion The lower section of jut 174 is arranged on, and is configured to engage the bottom hole 182 on bracket 18.Lower openings 182 also include periphery Groove 184.Each in jut 174,180 remains the first and second side supporting members 164,166 and the neighbour of bracket 18 Ground connection is fixed.In addition, being rotated up hook 190 is arranged on the top of each in the first and second side supporting members 164,166.On Portion's hook fixed engagement is located at the joined wall 192 on the front side of bracket 18.It should be understood that the first and second side supporting members 164, 166 be mirror images of each other.

Referring now to Figure 12-14, various wavy configurations or the sinusoidal construction of each several part of bracket 18 are as shown in the figure.Figure 12 Show the wavy configuration extended along the first and second inclined shore portions 130,132.Along the first and second inclined shore portions 130th, the wavy configuration of 132 extensions makes fan support portion 82 flexible, such fan support portion 82 or the wind being disposed therein Fan is not in the uncomfortable raised of passenger-back.In addition, the first and second inclined shore portions 130,132 and first and second The sinusoidal construction in inclined shore portion 130,132 allows fan support portion 82 to carry out bullet relative to flexible bracket 18 Property movement.Figure 13 shows the sinusoidal construction across the lower wall 28 in upper chest region 20.Sinusoidal construction is permitted Perhaps upper chest region 20 carries out resilient movement relative to lower waist region 32.The lower wall 28 in upper chest region 20 is by recessed Shape connector 42 is operably connected with the upper wall 40 in lower waist region 32.It thus provides laterally and vertically both direction Elasticity.In order to provide extra elasticity, it is bent that sine as shown in figure 14 is provided also in the upper wall 40 in lower waist region 32 Linear configuration.It should also be noted that the periphery in upper chest region 20 and lower waist region 32 includes being configured in receiving The open slot backward of exterior material fastener, after interior material (trim stock) is fixed to bracket 18 by interior material fastener Portion.

With reference to figure 17 and 18, illustrated embodiment shows the structure of jut 174,180 related to hole 176,182 respectively Make.As illustrated, the inwall 194 in restriction hole 176,182 is inclined or angled in the side in hole 176,182, so as to carry For being snapped connection with the easier of jut 174,180.It is this to construct with additional benefit：Jut 174,180 with Stronger connection is kept between hole 176,182.In use, inclined or angled wall part is specific adjustable Size and it is adapted to hold jut 174,180.

Referring now to Fig. 8-12 and Figure 19 and 20, the lower cross member 200 of bracket 18 includes horizontal longitudinal trough 202.It is vertical Elongated slot 202 is configured to receive the fastener for keeping the form of tether 204, keeps tether 204 to include fixing component 206 and be connected to The flexible-belt 208 of fixing component 206.Flexible-belt 208 can be fixed with pad assembly 55 or surface layer 74, and can essentially be fair Perhaps the elastic webbing for stretching and shrinking.Tether 204 is kept to be provided between pad assembly 55 and bracket 18 releasable but reliable Engage (Figure 19 and 20).

Referring now to Figure 21 and 22, the upper chest region 20 of the top bent angle 230 of bracket 18, more specifically bracket 18 it is upper Portion's bent angle 230 includes the general plane part with fastener receiver hole 234.Fastener receiver hole 234 includes groove, and groove configuration is used In the machanical fastener that receiving engages with fastener receiver hole 234.Fastener receiver hole 234 includes carrying the groove from its extension 236 overall semicircular structure.In the embodiment shown, groove 236 is extended with about 120 ° of ground each other.However, it should manage Solution, groove 236 can extend at any angle relative to each other, and the number of the groove 236 extended from fastener receiver hole 234 Amount can be more or less than three.

With reference now to Figure 23-25, the seat assembly 10 of pad assembly 55 is supported by bracket 18.The lower, transverse of bracket 18 Component 200 is overall to limit framework reception cavity 250.First group 252 of rib 254 is in longitudinal model perpendicular to lower cross member 200 Framework reception cavity 250 is extended across on the direction enclosed.First group 252 of rib 254 is in lower cross member 200 and backrest frame Extend between the lower support 256 of frame 57.Second group 258 of rib 254 parallel with first group 252 of rib 254.The of rib 254 It is two group 258 first group 252 long than rib 254.

Referring again to Fig. 6-8, lower cross member 200 is overall to define integrated panel arm support structure, and it is configured to Tackle 1.5 times of quality of the whole seat quality of seat assembly 10.The rib 254 of lower cross member 200 is to lower lateral Structural rigidity is provided to component 200.In period of assembly, the integrated panel arm configuration of bracket 18, especially lower cross member 200 Sizable load is born, to allow seat assembly 10 is assembled in into vehicle 50 using existing vehicle assembling panel arm technology In.The design is integrated into the lower area of bracket 18, is leaned in the nested or adjacent seat of the opening position lower cross member 200 The steel cross member of back frame frame 57.More specifically, the multiple ribs 254 being further disclosed in detail herein configure for compressive load, Multiple ribs 254 are nested against the lower support 256 being typically made from steel, while are positioned in seat assembly 10 in vehicle 50 Multiple ribs 254 keep firm cross section to resist the broken and/or deformation of bracket 18 during portion.

Referring again to Fig. 6-8 and Figure 20, lower cross member 200 includes double flange construction 260, double flange construction 260 Including upper flange 262 and lower flange 264, to provide extra rigidity to lower cross member 200.The 262 overall upper limit of upper flange The transverse wall integrated with preceding vertical wall 266 is determined.This lower cross member 200 that is configured to provides additional rigidity.Multiple horizontal strokes Each longitudinal trough 202 is disposed adjacent to rib 270.In an illustrated embodiment, top ribs 272 are arranged on the upper of longitudinal trough 202 Side, intermediate rib 274 is disposed adjacent to longitudinal trough 202, and bottom rib 276 is arranged on the lower section of longitudinal trough 202.It should be understood that It is that (left rear side for showing the lower cross member 200 of bracket 18) as shown in figure 20, the structure can be similar with mirror-image constructions Ground is arranged on the right lateral side of seat back brackets 18.It is worth noting that, in the double flange structure 260 of lower cross member 200 In define surface layer locator 96.More specifically, surface layer locator 96 is limited to the upper flange 262 of double flange structure 260 with Between flange 264.

Referring again to Fig. 6-8, Figure 20 and Figure 23-25, rib structure includes three groups of ribs (254 (figures with slightly different construction 7)).Specifically, first group 252 of rib 254 is to extend forward from the trailing edge of upper flange 262 and perpendicular with lower cross member 200 The internal rib that straight wall 266 contacts.Second group 258 (one group of middle rib) of rib 254 is from the upper flange of lower cross member 200 The edge of 262 rearmost part forwardly and upwardly extends adjacent to the position of the upper limb 278 of the vertical wall 266 of lower cross member 200. 3rd group 280 (outmost one group) of rib 254 extends to from the intermediate region of the upper flange 262 of lower cross member 200 The intersection of flange 262 and vertical wall 266, and extended up to before terminating in vertical wall 266 in vertical wall 266 Between region.Every group of rib 254 includes contributing to the bulk strength of lower cross member 200 and bracket 18 therefore but still light Just the different configuration of performance.In addition, lower cross member 200 is generally made up of polymeric material, vertically-oriented rib 254 It is such.In addition, vertically-oriented rib 254 limits the lower support positioned at lower cross member 200 and backrest frame 57 Space 290 between part.As it was previously stated, vertically-oriented rib 254 is typically configured to and bears compressive load, but it is to maintain lower lateral Spacing between to the lower support of component 200 and backrest frame 57.Lower cross member 200 is overall to limit weather control Make the lower boundary of opening.Therefore, lower cross member 200 limits the lower edge of central space 84, and the space configuration is used to accommodate The climate control structure of seat assembly 10, lumbar support structure etc..

It should be understood by one skilled in the art that the construction and miscellaneous part of described invention be not limited to it is any specific Material.Unless otherwise indicated herein, other exemplary embodiments of disclosure can be made up of various materials.

To realize the purpose of the present invention, term " connection " (its all formats, connect, be connected with, be connected) is generally Represent that two parts (electric or mechanical) are either directly or indirectly connected to each other.Such connection can essentially be fixed It is or removable.Such connection can realize by two parts (electric or mechanical) and any extra intermediate member, volume Outer intermediate member is each other or integral with two part unitary constructions.Unless otherwise stated, it is such to connect actually It can be fixed or can be removable or releasable.

Equally be important to note that, disclosed element as shown in the exemplary embodiment it is configured and disposed simply exemplary 's.Although several embodiments of the present invention are only described in detail in disclosure, the those skilled in the art for consulting the disclosure will It is readily appreciated that, in the case where not departing from the novel teachings and benefit of the theme, many modifications are possible (for example, each The change of the size of kind of element, size, structure, shape and ratio, parameter value, installation settings, the use of material, color, direction Deng).For example, being shown as integrally formed element can be made up of some, or be shown as the element of some can be with Be integrally formed, interactive operation can be inverted or changed, the length or width, connector or system of structure and/or component its He can change element, and the property or quantity of the adjusting position set between elements can change.It should be noted that system Element and/or assembly can be by providing enough intensity or durability any one of multiple material construction, the material Can be any one of a variety of colors, texture and combination.Therefore, all such modifications are intended to be included in the scope of the present invention In.Without departing from the spirit of the invention, can implement in design, operating condition and desired setting and other examples Other substitutions, modifications, changes and omissions are carried out in example.

It should be understood that any described process or it is described during the step of can be with other disclosed mistakes Journey or step are combined to form the structure in the scope of the invention.Example arrangement and process disclosed herein are to illustrate for mesh , and be not necessarily to be construed as limiting.

It should be understood that without departing from the inventive concept, said structure and method can be changed And modification, and should also be understood that these designs are intended to be covered by the appended claims, unless these claims are with it Word is separately clearly stated.

Claims (20)

1. a kind of seat assembly, comprising：

Backrest, the backrest include framework and pad assembly；

Cushion bracket, the cushion bracket include limiting the lower cross member of framework reception cavity；

First group of rib, first group of rib are extending across institute on the direction of the longitudinal extent of the lower cross member Framework reception cavity is stated, first group of rib extends between the lower cross member and the lower support of the framework；With And

Second group of rib, second group of rib is parallel with first group of rib, and second group of rib is longer than first group of rib.

2. seat assembly according to claim 1, wherein the cushion bracket includes neighbouring first group of rib and described the The double flange of two groups of ribs.

3. seat assembly according to claim 1, wherein first group of rib and second group of rib are limited positioned at described Space between lower cross member and the lower support.

4. seat assembly according to claim 1, wherein first group of rib is medially set along the lower cross member Put.

5. seat assembly according to claim 1, wherein the lower cross member is constructed by polymeric material.

6. seat assembly according to claim 1, wherein the lower cross member limits the following of climate controlling opening Boundary.

7. seat assembly according to claim 1, is further included：

The multiple cross ribs being arranged on the side of the lower cross member.

8. a kind of seat assembly, comprising：

Backrest, the backrest include framework and pad assembly；

Cushion bracket, the cushion bracket include lower cross member, and the lower cross member limits framework open backward and received Chamber；And

Multiple vertically-oriented ribs, the multiple vertically-oriented rib are positioned in perpendicular to the longitudinal direction of the lower cross member Abutted on the direction of scope across the framework reception cavity opened backward, the multiple vertically-oriented rib under the framework Portion's support member.

9. seat assembly according to claim 8, wherein the cushion bracket includes neighbouring the multiple vertically-oriented rib Double flange.

10. seat assembly according to claim 8, wherein the multiple vertically-oriented rib limits and is located at the lower lateral Space between component and the lower support.

11. seat assembly according to claim 8, wherein the multiple vertically-oriented rib is along the lower cross member Medially set.

12. seat assembly according to claim 8, wherein the lower cross member is constructed by polymeric material.

13. seat assembly according to claim 8, wherein the lower cross member limits the following of climate controlling opening Boundary.

14. seat assembly according to claim 8, is further included：

The multiple cross ribs being arranged on the side of the lower cross member.

15. a kind of seat assembly, comprising：

Backrest, the backrest include framework and pad assembly；

Cushion bracket, the cushion bracket include limiting the lower cross member of framework reception cavity；And

Multiple ribs, the multiple rib are extending across the frame on the direction of the longitudinal extent of the lower cross member Frame reception cavity, the multiple rib extend between the lower cross member and the lower support of the framework.

16. seat assembly according to claim 15, wherein the cushion bracket includes the double flange of neighbouring the multiple rib.

17. seat assembly according to claim 15, wherein the multiple rib limit positioned at the lower cross member and Space between the lower support.

18. seat assembly according to claim 15, wherein the multiple rib is medially set along the lower cross member Put.

19. seat assembly according to claim 15, wherein the lower cross member is constructed by polymeric material.

20. seat assembly according to claim 15, wherein the lower cross member is limited under climate controlling opening Border.