KR20120098236A - 4-way lumbar support assembly - Google Patents

4-way lumbar support assembly Download PDF

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Publication number
KR20120098236A
KR20120098236A KR1020110018066A KR20110018066A KR20120098236A KR 20120098236 A KR20120098236 A KR 20120098236A KR 1020110018066 A KR1020110018066 A KR 1020110018066A KR 20110018066 A KR20110018066 A KR 20110018066A KR 20120098236 A KR20120098236 A KR 20120098236A
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KR
South Korea
Prior art keywords
wire
occupant
support
spindle
support assembly
Prior art date
Application number
KR1020110018066A
Other languages
Korean (ko)
Inventor
김철년
황인창
Original Assignee
(주)디에스시
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by (주)디에스시 filed Critical (주)디에스시
Priority to KR1020110018066A priority Critical patent/KR20120098236A/en
Publication of KR20120098236A publication Critical patent/KR20120098236A/en

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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
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/36—Support for the head or the back
    • A47C7/40—Support for the head or the back for the back
    • A47C7/46—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs
    • A47C7/462—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs adjustable by mechanical means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/64—Back-rests or cushions
    • B60N2/66—Lumbar supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2304/00—Optimising design; Manufacturing; Testing
    • B60Y2304/05—Reducing production costs, e.g. by redesign
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2304/00—Optimising design; Manufacturing; Testing
    • B60Y2304/07—Facilitating assembling or mounting

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Seats For Vehicles (AREA)

Abstract

The present invention relates to a four-way lumber support assembly, an embodiment of the present invention is installed in the seat back frame inside the vehicle seat in the lumber support assembly for supporting the back and waist to reduce the fatigue of the occupant while driving the vehicle, Fixing wire installed on the seat back frame, the upper end is rotatably installed on the fixed wire, the support means for supporting the back of the occupant, the rotating means installed on the fixed wire to rotate the bottom of the compact mat toward the back of the occupant And a lifting means installed on one side of the lower end of the fixed wire to lift and rotate the pivoting means along the fixed wire, and is easy to manufacture as a simple structure, and allows the occupant to adjust the deformation of the compact mat according to his / her body. Provides directional lumber support assembly.

Description

4-way lumber support assembly {4-WAY LUMBAR SUPPORT ASSEMBLY}

The present invention relates to a lumber support assembly, and more particularly, to a lumber support assembly installed on a seat back frame inside a vehicle seat, capable of lifting up and down, and rotating toward the back and waist of the occupant.

Seats are installed inside the vehicle to allow passengers to sit.These seats are seat cushions that support the hips of the passengers, seatbacks that support the back, armrests that can put the arms of the passengers, and headrests that support the heads. Is made of.

Looking in detail the seatback associated with the present invention, a seatback frame serving as a skeleton of the seatback is installed inside the seatback, a lumber support assembly for supporting the back of the passenger is installed inside the seatback frame.

At this time, the lumber support assembly has a variable structure so as to fit the spine shape of the occupant in order to reduce the fatigue of the occupant during vehicle operation.

Looking at the conventional variable lumber support assembly, after forming a protrusion on the rotating rod coupled to the seat back frame, and installs a compact mat for supporting the waist of the occupant on the protrusion, the rotating rod according to the position of the occupant sitting on the seat Rotating the compact mat back and forth in the seatback frame to support the passenger's back and waist.

 However, this conventional variable lumber support structure is inconvenient because it is impossible for the occupant to adjust the deformation of the compact mat according to his or her body because the installation position of the rotating rod is fixed.

In addition, by assembling and manufacturing a large number of parts, the failure rate is high, manufacturing cost and time are high, and vibrations and shocks generated due to road conditions or traffic conditions during driving are applied to the waist of the occupant through the protrusions. As it is transmitted, the occupant easily feels tired or at risk of injury.

The present invention is to solve the problems described above, an embodiment of the present invention is installed in the seat back frame in the vehicle seat in the lumber support assembly for supporting the back and waist to reduce the fatigue of the occupant while driving the vehicle The fixed wire is installed on the seat back frame, the upper end is rotatably installed on the fixed wire and supports the back part of the occupant, and the fixed mat is installed on the fixed wire to rotate the lower end of the compact mat toward the back part of the occupant. Means, and the lifting means installed on the lower side of the fixed wire to move the lifting means along the fixed wire, it is easy to manufacture as a simple structure, the occupant can adjust the deformation of the compact mat to fit his body It is associated with a four-way lumber support assembly.

According to a preferred embodiment of the present invention, in the lumber support assembly installed on the seat back frame inside the vehicle seat to support the back and the waist to reduce the fatigue of the occupant while driving the vehicle, the fixed wire, the fixed wire is installed on the seat back frame The upper end is rotatably installed on the compact mat to support the back of the occupant, the fixed wire is installed on the rotating means for rotating the lower end of the compact mat toward the back of the occupant, and the lower side of the fixed wire is installed There is provided a four-way lumber support assembly comprising elevating means for elevating the pivoting means along a fixed wire.

Here, the rotation means includes a base plate which is slidably coupled to one side of the fixed wire, a spindle shaft that is axially rotatable in the transverse direction of the base plate, and a pair of spindles that are spaced apart from each other on the spindle shaft. A nut and a pair of support wires installed to face each other between the pair of spindle nuts and rotated at one end by a slide movement of the spindle nut.

At this time, the right hand thread and the left hand thread are symmetrically formed on the spindle axis.

In addition, it is preferable that the support wire has a 'c' shape in which an opening is formed at one side and a closing portion is formed at the other side.

In addition, both ends of the opening of the support wire are hinged to the protrusions protruding from each other on the upper and lower sides of the base plate, and the closing portion is formed by bending upward from the opening at a predetermined curvature.

At this time, it is preferable that the projection jaw is provided on the inside of the protrusion to limit the rotation of the support wire.

In addition, it is preferable that one side of the spindle nut is formed with a guide groove for supporting the outer circumferential surface of the support wire, respectively.

In addition, the lifting means includes a lifting motor installed on one side of the lower end of the fixed wire, and a drive shaft axially rotated by the lifting motor screwed to one side of the base plate.

According to one embodiment of the present invention, the lumber support assembly supports the back and waist of the occupant, thereby reducing fatigue of the occupant during long-term driving of the vehicle.

In addition, by elevating the rotation means according to an embodiment of the present invention, there is provided a four-way lumber support assembly that can adjust the deformation of the compact mat to fit the body of the occupant.

In addition, a four-way lumber support assembly is provided which is bent in the direction of the occupant seated on the seat of the vehicle, centered on the center of the compact mat corresponding to the vertebra of the occupant, and is in close contact with the back and waist of the occupant.

In addition, a four-way lumber support assembly is provided, which has a simple structure, which reduces manufacturing costs and time, thereby improving productivity.

1 is a perspective view of a four-way lumber support assembly according to an embodiment of the present invention.
Figure 2 is an exploded perspective view of the rotating means and the lifting means according to an embodiment of the present invention.
Figure 3 is a rear perspective view of the base plate according to an embodiment of the present invention.
Figure 4 is a rear perspective view of the spindle nut according to an embodiment of the present invention.
Figure 5 is an operating state showing the lifting of the closed portion of the support wire according to the slide movement of the spindle nut.
Figure 6 is an operating state diagram showing the state before and after the operation of the four-way lumber support assembly according to an embodiment of the present invention.

Hereinafter, a four-way lumber support assembly according to a preferred embodiment of the present invention will be described with reference to the accompanying drawings. In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation.

In addition, the terms described below are defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator. Therefore, definitions of these terms should be made based on the contents throughout this specification.

In addition, the following embodiments are not intended to limit the scope of the present invention, but merely as exemplifications of the constituent elements set forth in the claims of the present invention, and are included in technical ideas throughout the specification of the present invention, Embodiments that include components replaceable as equivalents in the elements may be included within the scope of the present invention.

Example

1 is a perspective view of a four-way lumber support assembly according to an embodiment of the present invention.

As shown in Figure 1, the four-way lumber support assembly 10 according to a preferred embodiment of the present invention is installed on the seat back frame (1) inside the vehicle seat, the fixing wire is installed on the seat back frame (1) 20, the upper end of the fixing wire 20 is rotatably installed and supports the back portion of the occupant 30, and the lower end of the compact mat 30 is installed on the fixing wire 20 It includes a rotating means 40 for elevating toward the back of the occupant, and the elevating means 50 is installed on one side of the lower end of the fixed wire 20 to elevate the rotating means 40 along the fixed wire 20 When the compact mat 30 is rotated by the rotating means 40, both sides of the compact mat 30 are bent to surround the back portion of the occupant.

Here, the seat back frame 1 is installed in the seat back (not shown) to maintain the shape of the seat back, and is connected to the seat cushion (not shown) to support the load of the occupant, the shape corresponding to the outer shape of the seat back Is formed.

In addition, the fixing wire 20 is made of a 'U' shape of the wire is bent of a predetermined thickness as a whole, the upper end is opened, the lower end is assembled to the seat back frame (1) by a fixing clip, for this fixed wire 20 It is preferable that the bottom of the bent is formed to be bent in the rear seatback frame (1), the upper ends of the open both sides of the fixing wire 20 is bent at a right angle to each end is rotated to the upper end of the compact mat 30 to be described later Possibly pivoted.

In addition, the compact mat 30 supports the spine and the back of the vehicle occupant, and may be made of a synthetic resin material or a thin metal material, and are formed to be symmetrically about the center and the compact mat 30. The upper both sides of the pivot coupling portion 31 is formed so that both the upper ends of the above-mentioned fixing wire can be pivotally coupled respectively.

In addition, the rotation means 40 is installed on the fixed wire 20 and is located behind the compact mat 30. The rotation means 40 pushes the compact mat 30 by the occupant's operation. Rotate toward the back.

On the other hand, the elevating means 50 is installed on one side of the lower end of the fixed wire 20, by elevating the rotating means 40 in the vertical direction along the fixed wire 20, the occupant comb at an appropriate height to fit his body The pad mat 30 can be rotated.

Figure 2 is an exploded perspective view of the rotating means and the lifting means according to an embodiment of the present invention, Figure 3 is a rear perspective view of the base plate according to an embodiment of the present invention, Figure 4 is according to an embodiment of the present invention Rear perspective view of the spindle nut.

As shown in Figure 2, the rotating means 40 according to an embodiment of the present invention, the base plate 41 and the base plate that is slidably coupled in the vertical direction to one side of the fixed wire 20 ( 41 a spindle shaft 42 rotatably installed across the transverse direction, a pair of spindle nuts 43 screwed apart from each other on the spindle shaft 42, and a pair of spindle nuts ( 43 may be provided to face each other and include a pair of support wires 44, one end of which is rotated by the slide movement of the spindle nut 43.

Here, the base plate 41 is a plate of a thin rectangular shape as a metal or synthetic resin material, and is installed in the transverse direction across the fixing wire 20 to correspond to the waist position of the occupant.

At this time, as shown in FIG. 3, at least one fitting portion 411 protrudes from both sides of the rear surface of the base plate 41, and the fixing wire 20 is inserted into the fitting groove 412 of the fitting portion 411. Is coupled to the base plate 41, the lower portion of the fitting groove 412 is formed in a circular cross-sectional shape of the diameter equal to or slightly larger than the diameter of the fixing wire 20 so that the base plate 41 can move the slide along the fixing wire 20 And, the upper portion of the fitting groove 412 is preferably formed in a tapered shape that is wider toward the outside in a width slightly smaller than the diameter of the fixing wire 20.

In addition, the spindle shaft 42 is installed in the horizontal direction of the base plate 41, one end of the spindle shaft 42 is coupled to the other side of the gearbox assembly 46, the rotation motor 45 is coupled to one side, Operation of the rotating motor 45 causes the spindle shaft 42 to rotate in the forward / reverse direction.

At this time, the gearbox assembly 46 is coupled to the coupling ribs 413 protruding from one side of the base plate 41 by fasteners such as bolts.

On the spindle shaft 42 a pair of spindle nuts 43 are screwed apart from each other and slides along the spindle shaft 42 by the rotation of the spindle shaft 42, where a pair of spindle nuts ( It is preferred that the right and left threads are formed symmetrically with respect to the middle of the spindle axis 42 on the spindle axis 42 such that 43 simultaneously slides in opposite directions to each other.

That is, as an example, during the forward rotation of the spindle shaft 42, the spindle nut 43 on the left side of the pair of spindle nuts 43 moves to the right, and the spindle nut 43 on the right side of the pair of spindle nuts 43 In the opposite direction, the spindle nut 43 on the left side of the pair of spindle nuts 43 moves to the left and the right side on the drawing. The spindle nut 43 is configured to move away from each other by moving to the right in the opposite direction.

As such, as the spindle nut 43 approaches each other and moves away from each other, one end of the support wire 44, which will be described later, rotates toward the back of the occupant, and a compact mat having one surface supported by the support wire 44 ( 30, the lower end is pivoted toward the back of the occupant while the upper end is pivotally coupled to the fixed wire (20).

At this time, as shown in Figure 4, the spindle nut 43 has a rectangular parallelepiped body 431, the shaft receiving portion 432 screwed with the spindle shaft 42 in the center of the body 431 Protrudingly formed, the wing portion 433 is formed on the upper and lower sides of the body 431 to surround the upper and lower edges of the base plate 41 to facilitate the slide movement in the left and right directions along the base plate 41.

At this time, the inner side of the wing portion 433 is formed with a slide groove 434 for accommodating the upper and lower edges of the base plate 41, spaced apart from the wing portion 433 in the upper and lower sides of the back of the body 431 by a predetermined interval. The support 435 is formed to protrude.

In addition, the front surface of the base plate 41 is formed by a stepped depression 414 for limiting the slide movement distance of the spindle nut 43, the support 435 is in close contact with the upper and lower side walls of the depression 414. While the slide is moved, the movement of the spindle nut 43 is limited by being caught by the left and right side walls of the depression 414, so that the left and right side walls of the depression 414 serve as a stopper with respect to the support portion 435.

At this time, the spindle shaft 42 and the spindle nut 43 may be made of a metal material or a light synthetic resin material, the incision groove 415 is formed on one side of the depression 414 so that the spindle shaft 42 is inserted.

A pair of support wires 44 are installed between the pair of spindle nuts 43. At this time, the support wires 44 have a 'c' shape in which an opening is formed at one side and a closure is formed at the other side. The support wires 44 of the openings are opposed to each other so that the openings face each other and the closing portions are positioned adjacent to each of the spindle nuts 43 on both sides.

At this time, the protrusions 416 having a pair of coupling holes 417 are protruded forward from the top and bottom of the middle portion of the base plate 41, respectively, and both ends of the openings of the support wires 44 are vertically respectively. It is bent and hinged to the coupling hole 417 of the protrusion 416, the closing portion is bent upward from the opening to a predetermined curvature so that the end extends almost horizontally outward.

On the other hand, an arc-shaped groove 418 is formed on the bottom surface of the recessed portion 414 corresponding to the curvature shape of the support wire 44 so that one side of the support wire 44 is accommodated.

At this time, one side of the support wire 44 is supported on the upper side of the spindle nut 43, a guide groove 436 for guiding the rotation of the support wire 44 is formed in the spindle nut 43, the guide groove ( 436 is formed to be inclined downward from the upper inner corner portion of the spindle nut 43.

Accordingly, as the spindle nut 43 slides, the support wire 44 moves along the guide groove 436 of the spindle nut 43, and is centered on both ends of the opening by the shape of the curvature of the support wire 44. The closure will rotate. At this time, the rotation of the support wire 44 is limited by the rotation angle by the spindle nut 43 is caught on both edges of the depression 414.

On the other hand, the above-mentioned rotation means 40 is capable of elevating in the vertical direction along the fixed wire 20 by the elevating means 50, wherein the elevating means 50, the elevating means is installed on one side of the lower end of the fixed wire 20 The motor 51 and the drive shaft 52 is axially rotated by the lifting motor 51 and screwed to one side of the base plate 41, the base plate (by the forward / reverse rotation of the lifting motor 51) 41 is moved up and down along the longitudinal direction of the fixing wire (20).

At this time, the upper fixing plate 21 and the lower fixing plate 22 are coupled to the upper and lower ends of the fixing wire 20, respectively, the upper fixing plate 21 and the lower fixing plate 22 are fasteners such as bolts. It serves to couple the fixed wire 20 to the seat back frame 1 by, while limiting the lifting of the base plate 41.

At this time, the extension portion 23 is formed to protrude downward in the middle portion of the lower fixing plate 22, the gear box assembly 53 in which the lifting motor 51 is coupled to one side is a bolt, etc. Coupled by fasteners.

In addition, one end of the drive shaft 52 having a screw thread formed on the outer circumferential surface thereof is coupled to the other side of the gear box assembly 53, and the drive shaft 52 has a shaft coupling portion protruding from at least one of the rear surface of the base plate 41. Screwed into 419).

Accordingly, when the lifting motor 51 is operated, the drive shaft 52 rotates forward / reversely, and the base plate 41 screwed with the drive shaft 52 by the shaft coupling portion 419 is along the fixed wire 20. It will be elevated.

Meanwhile, reference numeral 47 and reference numeral 54 not described in FIG. 2 indicate power connection sockets for supplying power to the rotational motor 45 and the lifting motor 51, respectively.

5 is an operating state diagram showing the lifting and lowering of the closing portion of the support wire according to the slide movement of the spindle nut, Figure 5 (a) is an operating state diagram showing the state when the pair of spindle nuts away from each other, Figure 5 (b) is an operating state diagram showing the state when the pair of spindle nuts are close to each other.

In the initial state, since the pair of spindle nuts 43 are far from each other, the lower end of the support wire 44 is accommodated in the groove 418 of the base plate 41, so that the closed portion of the support wire 44 has a spindle shaft ( 42) When the spindle shaft 42 is rotated forward by the operation of the rotational motor 45, the pair of spindle nuts 43 are brought closer to each other, the support wire 44 is to guide the guide groove 436 In this case, since the support wire 44 is bent upward by a predetermined curvature from the open portion to the closed portion, the closed portion of the support wire 44 is raised.

At this time, the protrusion 416a is provided on the inner side of the protrusion 416 to limit the angle of rotation of the closed portion of the support wire 44. For example, the closed portion centered on the opening hinged to the protrusion 416. It is desirable not to rotate more than 90 °.

At this time, the protruding jaw 416a is formed to protrude between the pair of coupling holes 417 on the inside of the protruding portion 416, the protruding jaw 416a is preferably formed in a tapered shape narrower toward the bottom of the center. Do.

Therefore, when the support wire 44 is rotated, as shown in FIG. 5B, the closing part rotates and rises around the opening part of the support wire 44, and one side adjacent to the opening part protrudes from the protrusion 416a. Further rotation is restricted.

6 is an operation state diagram showing a state before operation (a) and a state after operation (b) of the four-way lumber support assembly according to an embodiment of the present invention, of the lumber support assembly according to an embodiment of the present invention Operation is as shown in FIGS. 5 and 6.

That is, the occupant can elevate the base plate 41 to a desired position by operating the elevating motor 51. When the rotating motor 45 is operated by the occupant's manipulation, the spindle shaft 42 rotates forward and the spindle shaft is rotated. A pair of spindle nuts 43 opposed to each other on 42 slides closer together, wherein the support wire 44 supported on the upper edge of the spindle nut 43 raises the closure due to its curvature. The compact mat 30 is pushed.

Accordingly, the compact mat 30 is pivoted around the upper end pivotally coupled to the fixed wire 20, the lower end of the compact mat 30 is rotated toward the back and waist of the occupant, the compact mat ( 30 corresponds to the shape of the back portion of the occupant, the portion corresponding to the opening of the support wire 44 is pushed backward by the load of the occupant, the portion corresponding to the closed portion surrounds both sides of the back portion of the occupant While deforming to, the back portion of the occupant is closely supported.

Therefore, according to the four-way lumber support assembly according to an embodiment of the present invention, the lumber support assembly to support the back and waist of the occupant during long-term operation of the vehicle, it is possible to reduce the fatigue of the occupant.

1: seatback frame
10: 4-way lumber support assembly
20: fixed wire
21: top fixing plate
22: bottom fixing plate
30: compact mat
31: pivot coupling portion
40: means of rotation
41: base plate
42: spindle axis
43: spindle nut
44: support wire
45: rotating motor
50: lifting means
51: lifting motor
52: drive shaft

Claims (8)

In the lumber support assembly installed on the seat back frame inside the vehicle seat to support the back and waist to reduce fatigue of the occupant while driving the vehicle,
A fixing wire installed on the seat back frame;
A compact mat rotatably installed at an upper end of the fixing wire to support a back portion of the occupant;
Rotating means installed on the fixed wire to rotate the lower end of the compact mat toward the back portion of the occupant; And
A four-way lumber support assembly installed on one side of the lower end of the fixing wire, the elevating means for elevating the pivoting means along the fixing wire.
The method according to claim 1, wherein the rotation means,
A base plate slidably coupled to one side of the fixed wire, a spindle shaft installed axially rotatable in the horizontal direction of the base plate, a pair of spindle nuts screwed apart from each other on the spindle shaft, And a pair of support wires installed to face each other between the pair of spindle nuts, the one end of which is rotated by the slide movement of the spindle nut.
The method according to claim 2,
And a right-handed thread and a left-handed thread on the spindle axis are symmetrically formed with each other.
The method according to claim 2,
The support wire is a four-way lumber support assembly, characterized in that the 'c' shape is formed with an open portion on one side and a closed portion on the other side.
The method of claim 4,
Both ends of the opening of the support wire are hinged to the protrusions protruding from each other on the upper and lower sides of the base plate, and the closing portion is formed by bending upward from the opening at a predetermined curvature. .
The method according to claim 5,
4-way lumber support assembly, characterized in that the inner side of the protrusion is provided with a projection jaw to limit the rotation of the support wire.
The method according to claim 2,
One side of the spindle nut is a four-way lumber support assembly, characterized in that the guide grooves for supporting each of the outer peripheral surface of the support wire is formed.
The method according to claim 1, wherein the lifting means,
And a lifting shaft installed on one side of the lower end of the fixed wire, and a driving shaft axially rotated by the lifting motor and screwed to one side of the base plate.
KR1020110018066A 2011-02-28 2011-02-28 4-way lumbar support assembly KR20120098236A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020110018066A KR20120098236A (en) 2011-02-28 2011-02-28 4-way lumbar support assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020110018066A KR20120098236A (en) 2011-02-28 2011-02-28 4-way lumbar support assembly

Publications (1)

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KR20120098236A true KR20120098236A (en) 2012-09-05

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KR1020110018066A KR20120098236A (en) 2011-02-28 2011-02-28 4-way lumbar support assembly

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9415714B2 (en) 2014-08-22 2016-08-16 Hyundai Motor Company Lumber support apparatus for vehicle
US9796309B2 (en) 2015-06-02 2017-10-24 Hyundai Motor Company Lumbar support assembly
KR102415256B1 (en) * 2021-12-14 2022-06-30 주식회사 금창 Lumber support for vehicle seat with rotating support rod
KR102415251B1 (en) * 2021-12-10 2022-06-30 주식회사 금창 Lumber support for vehicle seat with push type avtuating block

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9415714B2 (en) 2014-08-22 2016-08-16 Hyundai Motor Company Lumber support apparatus for vehicle
US9796309B2 (en) 2015-06-02 2017-10-24 Hyundai Motor Company Lumbar support assembly
KR102415251B1 (en) * 2021-12-10 2022-06-30 주식회사 금창 Lumber support for vehicle seat with push type avtuating block
KR102415256B1 (en) * 2021-12-14 2022-06-30 주식회사 금창 Lumber support for vehicle seat with rotating support rod

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