US20080217978A1 - Lordosis Support - Google Patents

Lordosis Support Download PDF

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Publication number
US20080217978A1
US20080217978A1 US11/997,531 US99753106A US2008217978A1 US 20080217978 A1 US20080217978 A1 US 20080217978A1 US 99753106 A US99753106 A US 99753106A US 2008217978 A1 US2008217978 A1 US 2008217978A1
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US
United States
Prior art keywords
frame
lumbar support
pull
support basket
cable
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US11/997,531
Inventor
Veit Stossel
Werner Hagen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schukra Geratebau GmbH
Original Assignee
Schukra Geratebau GmbH
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 Schukra Geratebau GmbH filed Critical Schukra Geratebau GmbH
Assigned to SCHUKRA GERATEBAU AG reassignment SCHUKRA GERATEBAU AG ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HAGEN, WERNER, STOSSEL, VEIT
Assigned to SCHUKRA GERAETEBAU AG reassignment SCHUKRA GERAETEBAU AG CORRECTIVE ASSIGNMENT, TO CORRECT THE ASSIGNORS NAME, PREVIOUSLY RECORDED ON REEL 020546 FRAME 0160. Assignors: HAGEN, WERNER, VEIT, STOESSEL
Publication of US20080217978A1 publication Critical patent/US20080217978A1/en
Abandoned legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C7/00Parts, details, or accessories of chairs or stools
    • A47C7/36Support for the head or the back
    • A47C7/40Support for the head or the back for the back
    • A47C7/46Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs
    • A47C7/462Support 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
    • A47C7/465Support 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 by pulling an elastic cable
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60NSEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/64Back-rests or cushions
    • B60N2/66Lumbar supports
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60NSEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/64Back-rests or cushions
    • B60N2/66Lumbar supports
    • B60N2/667Lumbar supports having flexible support member bowed by applied forces
    • B60N2/6671Lumbar supports having flexible support member bowed by applied forces with cable actuators
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60NSEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/42Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats

Definitions

  • the present invention relates to a lumbar support for a seat backrest.
  • the invention relates in particular to a lumbar support fitted in backrests of motor vehicle seats, office furniture seats, or domestic furniture seats.
  • Lumbar supports are fitted in seat backrests in order to provide sufficient support in the lumbar-vertebra or lordosis region of a person seating on the seat by forming a corresponding supporting surface.
  • the lumbar support customarily has a lumbar support basket which is fastened to a frame arranged in the seat backrest. Furthermore, a pulling device by which the position of the lumbar support basket can be changed relative to the frame is customarily provided.
  • a lumbar support basket which is fastened on one side to the support frame, while the other side is fastened via a Bowden cable to the other frame side, the position of the support basket relative to the plane defined by the frame being changed when tension is exerted on the Bowden cable.
  • the unilateral tensile load results in an asymmetrical action of the tensile load, so that the lumbar support basket is also moved laterally when tension is exerted on the Bowden cable, and not just perpendicularly to the plane defined by the frame.
  • the movement does not take place symmetrically to the axis which is perpendicular to the plane defined by the frame, so that the person sitting on the seat feels unsymmetrical relief of the strain on the lordosis region when tension is exerted on the Bowden cable. Furthermore, a relatively long pull length is necessary for a relatively small movement of the lumbar support basket.
  • An object of the present invention is to provide a lumbar support which enables a symmetrical movement of the lumbar support basket while achieving a greatest possible adjustment of the lumbar support basket for a small pulling movement.
  • the lumbar support for a seat backrest has a lumbar support basket arranged in a frame of a seat backrest. Furthermore, a pulling device which changes the position of the lumbar support basket relative to the frame is provided.
  • the pulling device has two pull cables which are coupled to the lumbar support basket and the frame in such a way that when tension is exerted on the pulling device the lumbar support basket is moved relative to the plane defined by the frame of the seat backrest. Symmetrical tension on the lumbar support basket is achieved by means of the two pull cables of the pulling device, so that a symmetrical movement of the lumbar support basket with respect to an axis which is perpendicular to the plane defined by the frame of the seat backrest is achieved.
  • the two pull cables for the same pull length twice the adjusting travel is achieved compared with the prior art, in which the lumbar support basket is equipped with only one pull cable.
  • the lumbar support basket has a guiding device in which the pulling device is movably guided.
  • the two pull cables are movably located in the guiding device.
  • the pulling device is a Bowden cable, the actuator for actuating the Bowden cable being attached to the frame.
  • both pull cables are fastened at their one end to the frame.
  • the respective other ends of the pull cables are fastened to the actuator.
  • the pull cables can, in one embodiment, run together from the actuator up to the guiding device, the pull cables branching at the guiding device and each pull cable running from the branching up to the frame, where it is fastened.
  • the pull cables run upon the branching at the guiding device in opposite directions and are fastened to opposite sides of the frame. These two lateral parts of the pull cables from the branching up to the frame are responsible for the position of the lumbar support basket relative to the frame.
  • the region of the pull cables from the fastening to the frame up to the guiding device can be shortened, whereby the lumbar support basket is displaced relative to the plane defined by the frame.
  • the region in which the two pull cables run jointly up to the guiding device lengthens.
  • the region of one pull cable from the guiding device to the lateral frame is shortened, this region likewise for the other pull cable from the guiding device to the other frame side likewise being shortened, whereby the adjusting travel of the lumbar support basket is doubled for a given pull length.
  • the two pull cables are arranged in such a way that the second pull cable runs from the actuator up to the guiding device.
  • the first pull cable runs from one frame side via the guiding device to the other frame side and is coupled to the second pull cable in such a way that when tension is exerted on the second pull cable the effective cable length of the first pull cable between the two frame sides is shortened.
  • a subregion of the first pull cable is moved in the direction of the second pull cable perpendicularly to the course of the first pull cable, so that the effective cable length of the first pull cable from the first frame side to the second frame side shortens.
  • FIG. 1 shows a front view of the lumbar support arranged in the frame of a seat backrest
  • FIG. 2 shows a rear view of the lumbar support in the frame
  • FIG. 3 shows a plan view of the lumbar support in an unloaded position
  • FIG. 4 shows a plan view of the lumbar support in a loaded position
  • FIG. 5 shows an enlarged view of the lumbar support in a front view
  • FIG. 6 shows an enlarged rear view of the lumbar support
  • FIG. 7 shows a detail view of the guiding device in the unloaded position of the Bowden cable
  • FIG. 8 shows a detail view of the guiding device in the loaded position of the Bowden cable.
  • FIG. 1 shows a front view of a frame 10 which is part of a seat backrest (not illustrated) of a motor vehicle seat. Furthermore, in the lower region of the seat frame a lumbar support 11 having a lumbar support basket 12 is provided. The lumbar support basket is actuated via a Bowden cable, an actuator 13 fastened to one side of the frame 10 being provided in order to actuate the Bowden cable. In the embodiment illustrated in FIG. 1 , two different positions of the actuator 13 are illustrated, the actuator 13 a and the actuator 13 b . The two actuators 13 a and 13 b show only different possible arrangements of a single actuator in the backrest frame, there being no provision for two actuators.
  • a wire mat 14 which can be connected to the frame 10 , for example, via springs (not illustrated).
  • the wire mat 14 can also be connected to the lumbar support basket 12 .
  • a connection between lumbar support basket 12 and wire mat 14 is not absolutely necessary, however.
  • two pull cables 16 and 17 of the Bowden cable are guided in a cable sleeve 15 .
  • these two pull cables run jointly in the cable sleeve 15 up to a guiding device 18 , at which they branch, one pull cable 16 being fastened to one side 10 a of the frame 10 , and the pull cable 17 branching off at the guiding device, running to the other side of the frame 10 and being fastened there.
  • the lumbar support basket is designed in the form of a plate and is slightly concavely curved in order to guide the lower lumbar region.
  • the lumbar support basket has a middle section 20 , to which the guiding device 18 is attached. Furthermore, two lateral sections 21 and 22 are provided. Braces 23 are provided on the side of the lumbar support basket facing away from the back of the person leaning against the seat backrest.
  • the cable sleeve 15 is attached to the guiding device 18 .
  • the guiding device 18 has two arcuate guiding sections 24 and 25 which effect the diversion of the two pull cables 16 and 17 .
  • the two pull cables 16 and 17 are movably arranged in the guiding device and are diverted by about 90° substantially in opposite directions at the diversions 24 and 25 and guided in guiding eyes 26 on the lumbar support basket before being fastened to the frame 10 by fixing elements 27 .
  • FIGS. 3 and 4 the different positions of the lumbar support basket relative to the frame are depicted.
  • no tension is exerted on the pull cables 16 and 17 and the lumbar support basket is in a rest position where it is pushed by upholstery (not illustrated) of the seat into the position illustrated in FIG. 3 .
  • the two cables run together, as illustrated in FIG. 7 , up to a joining nipple 28 which joins the two pull cables 16 and 17 , before they are guided by the diversions to the sides of the frame.
  • the lumbar support basket is moved symmetrically perpendicularly to the plane defined by the frame. Furthermore, an adjustment of the lumbar support basket by the length 2 h is achieved by a pull length h at the actuator.
  • the actuator for actuating the pull cable can be actuated either manually or by an electric motor.
  • first pull cable running from one side 10 a of the frame to the other side 10 b
  • second pull cable running from the actuator up to the joining nipple 28 .
  • the first pull cable is in this case joined to the second pull cable at the joining nipple 28 .
  • this pull cable lifts the other pull cable in the direction of the cable sleeve 15 , so that once again the lumbar support basket is moved into the position illustrated in FIG. 4 , since the length of the pull cable stretching between the two sides of the frame is shortened by the length 2 h.

Abstract

The invention relates to a lumbar support for a seat backrest, having a lumbar support basket 12 arranged in a frame 10 of a seat backrest, a pulling device which changes the position of the lumbar support basket 12 relative to the frame, characterised in that the pulling device has two pull cables 16, 17 which are coupled to the lumbar support basket 12 and the frame in such a way that when tension is exerted on the pulling device the lumbar support basket 12 is moved relative to the plane defined by the frame 10 of the seat backrest.

Description

  • The present invention relates to a lumbar support for a seat backrest. The invention relates in particular to a lumbar support fitted in backrests of motor vehicle seats, office furniture seats, or domestic furniture seats.
  • Lumbar supports are fitted in seat backrests in order to provide sufficient support in the lumbar-vertebra or lordosis region of a person seating on the seat by forming a corresponding supporting surface. For this, the lumbar support customarily has a lumbar support basket which is fastened to a frame arranged in the seat backrest. Furthermore, a pulling device by which the position of the lumbar support basket can be changed relative to the frame is customarily provided.
  • In the prior art, a lumbar support basket is known which is fastened on one side to the support frame, while the other side is fastened via a Bowden cable to the other frame side, the position of the support basket relative to the plane defined by the frame being changed when tension is exerted on the Bowden cable. The unilateral tensile load results in an asymmetrical action of the tensile load, so that the lumbar support basket is also moved laterally when tension is exerted on the Bowden cable, and not just perpendicularly to the plane defined by the frame. Furthermore, the movement does not take place symmetrically to the axis which is perpendicular to the plane defined by the frame, so that the person sitting on the seat feels unsymmetrical relief of the strain on the lordosis region when tension is exerted on the Bowden cable. Furthermore, a relatively long pull length is necessary for a relatively small movement of the lumbar support basket.
  • An object of the present invention is to provide a lumbar support which enables a symmetrical movement of the lumbar support basket while achieving a greatest possible adjustment of the lumbar support basket for a small pulling movement.
  • This object is achieved according to the invention by the independent claim. Preferred embodiments of the invention are described in the dependent claims.
  • According to the invention, the lumbar support for a seat backrest has a lumbar support basket arranged in a frame of a seat backrest. Furthermore, a pulling device which changes the position of the lumbar support basket relative to the frame is provided. The pulling device has two pull cables which are coupled to the lumbar support basket and the frame in such a way that when tension is exerted on the pulling device the lumbar support basket is moved relative to the plane defined by the frame of the seat backrest. Symmetrical tension on the lumbar support basket is achieved by means of the two pull cables of the pulling device, so that a symmetrical movement of the lumbar support basket with respect to an axis which is perpendicular to the plane defined by the frame of the seat backrest is achieved. At the same time, by means of the two pull cables, for the same pull length twice the adjusting travel is achieved compared with the prior art, in which the lumbar support basket is equipped with only one pull cable.
  • Preferably, the lumbar support basket has a guiding device in which the pulling device is movably guided. According to a preferred embodiment, the two pull cables are movably located in the guiding device. Preferably, the pulling device is a Bowden cable, the actuator for actuating the Bowden cable being attached to the frame.
  • According to a further preferred embodiment, both pull cables are fastened at their one end to the frame. In this embodiment, the respective other ends of the pull cables are fastened to the actuator. The pull cables can, in one embodiment, run together from the actuator up to the guiding device, the pull cables branching at the guiding device and each pull cable running from the branching up to the frame, where it is fastened.
  • Furthermore, preferably the pull cables run upon the branching at the guiding device in opposite directions and are fastened to opposite sides of the frame. These two lateral parts of the pull cables from the branching up to the frame are responsible for the position of the lumbar support basket relative to the frame.
  • When tension is exerted on the pull cables, the region of the pull cables from the fastening to the frame up to the guiding device can be shortened, whereby the lumbar support basket is displaced relative to the plane defined by the frame. In this case, the region in which the two pull cables run jointly up to the guiding device lengthens. The region of one pull cable from the guiding device to the lateral frame is shortened, this region likewise for the other pull cable from the guiding device to the other frame side likewise being shortened, whereby the adjusting travel of the lumbar support basket is doubled for a given pull length.
  • According to another embodiment, the two pull cables are arranged in such a way that the second pull cable runs from the actuator up to the guiding device. The first pull cable runs from one frame side via the guiding device to the other frame side and is coupled to the second pull cable in such a way that when tension is exerted on the second pull cable the effective cable length of the first pull cable between the two frame sides is shortened. In this case, when tension is exerted on the second pull cable a subregion of the first pull cable is moved in the direction of the second pull cable perpendicularly to the course of the first pull cable, so that the effective cable length of the first pull cable from the first frame side to the second frame side shortens.
  • The invention is explained in more detail below using an exemplary embodiment with reference to the accompanying schematic drawings, in which:
  • FIG. 1 shows a front view of the lumbar support arranged in the frame of a seat backrest,
  • FIG. 2 shows a rear view of the lumbar support in the frame,
  • FIG. 3 shows a plan view of the lumbar support in an unloaded position,
  • FIG. 4 shows a plan view of the lumbar support in a loaded position,
  • FIG. 5 shows an enlarged view of the lumbar support in a front view,
  • FIG. 6 shows an enlarged rear view of the lumbar support,
  • FIG. 7 shows a detail view of the guiding device in the unloaded position of the Bowden cable, and
  • FIG. 8 shows a detail view of the guiding device in the loaded position of the Bowden cable.
  • FIG. 1 shows a front view of a frame 10 which is part of a seat backrest (not illustrated) of a motor vehicle seat. Furthermore, in the lower region of the seat frame a lumbar support 11 having a lumbar support basket 12 is provided. The lumbar support basket is actuated via a Bowden cable, an actuator 13 fastened to one side of the frame 10 being provided in order to actuate the Bowden cable. In the embodiment illustrated in FIG. 1, two different positions of the actuator 13 are illustrated, the actuator 13 a and the actuator 13 b. The two actuators 13 a and 13 b show only different possible arrangements of a single actuator in the backrest frame, there being no provision for two actuators. Provided above the lumbar support basket 12 is a wire mat 14 which can be connected to the frame 10, for example, via springs (not illustrated). The wire mat 14 can also be connected to the lumbar support basket 12. A connection between lumbar support basket 12 and wire mat 14 is not absolutely necessary, however.
  • As can also be seen in FIG. 2 inter alia, two pull cables 16 and 17 of the Bowden cable are guided in a cable sleeve 15. Starting from the actuator 13, these two pull cables run jointly in the cable sleeve 15 up to a guiding device 18, at which they branch, one pull cable 16 being fastened to one side 10 a of the frame 10, and the pull cable 17 branching off at the guiding device, running to the other side of the frame 10 and being fastened there. As can be seen in FIGS. 5 and 6 inter alia, the lumbar support basket is designed in the form of a plate and is slightly concavely curved in order to guide the lower lumbar region. The lumbar support basket has a middle section 20, to which the guiding device 18 is attached. Furthermore, two lateral sections 21 and 22 are provided. Braces 23 are provided on the side of the lumbar support basket facing away from the back of the person leaning against the seat backrest.
  • As can be seen in FIGS. 2 and 6, the cable sleeve 15 is attached to the guiding device 18. The guiding device 18 has two arcuate guiding sections 24 and 25 which effect the diversion of the two pull cables 16 and 17. The two pull cables 16 and 17 are movably arranged in the guiding device and are diverted by about 90° substantially in opposite directions at the diversions 24 and 25 and guided in guiding eyes 26 on the lumbar support basket before being fastened to the frame 10 by fixing elements 27.
  • In FIGS. 3 and 4, the different positions of the lumbar support basket relative to the frame are depicted. In the position illustrated in FIG. 3, no tension is exerted on the pull cables 16 and 17 and the lumbar support basket is in a rest position where it is pushed by upholstery (not illustrated) of the seat into the position illustrated in FIG. 3. In this position of FIG. 3, the two cables run together, as illustrated in FIG. 7, up to a joining nipple 28 which joins the two pull cables 16 and 17, before they are guided by the diversions to the sides of the frame. If the actuator 13 is now actuated, tension is exerted on the two pull cables 16 and 17, which moves the joining nipple and the jointly running region of the pull cables, as illustrated in FIG. 8, in the direction of the cable sleeve 15. As a result, the region of the pull cables 16 and 17 which previously ran horizontally, diverted by the diversions 24 and 25, is in each case shortened by the height h. Overall, the region of the pull cables which runs horizontally between the two sides 10 a and 10 b of the frame 10 is shortened by the height 2 h. Overall, the effective horizontal pull cable length thus shortens by the height 2 h. This horizontal pull cable length is responsible for the position of the lumbar support basket 12 relative to the plane defined by the frame. As a result, the lumbar support basket is, as illustrated in FIG. 4, pushed in the direction of the back (not illustrated).
  • From the foregoing description, the following advantage is thus obtained for a person skilled in the art by means of the invention.
  • Firstly, the lumbar support basket is moved symmetrically perpendicularly to the plane defined by the frame. Furthermore, an adjustment of the lumbar support basket by the length 2 h is achieved by a pull length h at the actuator. The actuator for actuating the pull cable can be actuated either manually or by an electric motor.
  • Instead of the two pull cables 16 and 17 illustrated in the figures, it is also possible to provide a first pull cable running from one side 10 a of the frame to the other side 10 b, while providing a second pull cable running from the actuator up to the joining nipple 28. The first pull cable is in this case joined to the second pull cable at the joining nipple 28. When tension is exerted on the second pull cable, which is fastened to the actuator, this pull cable lifts the other pull cable in the direction of the cable sleeve 15, so that once again the lumbar support basket is moved into the position illustrated in FIG. 4, since the length of the pull cable stretching between the two sides of the frame is shortened by the length 2 h.
  • LIST OF REFERENCE SYMBOLS
    • 10 Frame
    • 10 a Side
    • 10 b Side
    • 11 Lumbar support
    • 12 Lumbar support basket
    • 13 Actuator
    • 14 Wire mat
    • 15 Cable sleeve
    • 16, 17 Pull cables
    • 18 Guiding device
    • 20 Middle section
    • 21, 22 Lateral sections
    • 23 Brace
    • 24, 25 Diversion
    • 26 Guiding eyes
    • 27 Fixing elements
    • 28 Joining nipple

Claims (6)

1-8. (canceled)
9. Lumbar support for a seat backrest, having
a lumbar support basket arranged in a frame of a seat backrest,
a pulling device with a Bowden cable, the actuator of the Bowden cable being attached to the frame, wherein the pulling device changes the position of the lumbar support basket relative to the frame and has two pull cables which are coupled to the lumbar support basket and the frame in such a way that when tension is exerted on the pulling device the lumbar support basket is moved relative to the plane defined by the frame of the seat backrest,
wherein the first pull cable runs from one frame side to the other frame side, and the second pull cable runs from the actuator up to a guiding device attached to the lumbar support basket, in which the pull cables are movably guided, the two pull cables being coupled to each other at the guiding device in such a way that when tension is exerted on the second pull cable the cable length of the first pull cable between the two frame sides is effectively shortened.
10. Lumbar support for a seat backrest, having
a lumbar support basket arranged in a frame of a seat backrest,
a pulling device which changes the position of the lumbar support basket relative to the frame and which has two pull cables which are coupled to the lumbar support basket and the frame in such a way that when tension is exerted on the pulling device the lumbar support basket is moved relative to the plane defined by the frame of the seat backrest, wherein the pulling device is a Bowden cable, the actuator of the Bowden cable being attached to the frame,
wherein the pull cables are running from the actuator together up to a guiding device attached to the lumbar support basket in which the pull cables are movably guided, and are branching at the guiding device, each pull cable running from the branching up to the frame, to which it is fastened.
11. Lumbar support according to claim 10, wherein both pull cables are fastened by one of their ends to the frame.
12. Lumbar support according to claim 10, the pull cables upon the branching being diverted in opposite directions and fastened to opposite sides of the frame.
13. Lumbar support according to claim 10, wherein when tension is exerted on the pulling device the regions of the pull cable from the fastening to the frame up to the guiding device are shortened, whereby the lumbar support basket is displaced relative to the plane defined by the frame.
US11/997,531 2005-08-04 2006-08-03 Lordosis Support Abandoned US20080217978A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102005036774.7 2005-08-04
DE102005036774A DE102005036774B4 (en) 2005-08-04 2005-08-04 lumbar support
PCT/EP2006/007696 WO2007014781A1 (en) 2005-08-04 2006-08-03 Lordosis support

Publications (1)

Publication Number Publication Date
US20080217978A1 true US20080217978A1 (en) 2008-09-11

Family

ID=37103260

Family Applications (1)

Application Number Title Priority Date Filing Date
US11/997,531 Abandoned US20080217978A1 (en) 2005-08-04 2006-08-03 Lordosis Support

Country Status (9)

Country Link
US (1) US20080217978A1 (en)
EP (1) EP1910127B1 (en)
JP (1) JP2009502381A (en)
KR (1) KR20080028470A (en)
CN (1) CN101238010B (en)
AT (1) ATE444200T1 (en)
CA (1) CA2617796A1 (en)
DE (2) DE102005036774B4 (en)
WO (1) WO2007014781A1 (en)

Cited By (10)

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US20100148546A1 (en) * 2008-12-17 2010-06-17 Salvatore Demontis Lumbar support for a vehicle backrest
US20150335161A1 (en) * 2014-05-20 2015-11-26 Jörg Schwarzbich Lordosis Support
US9604560B1 (en) * 2015-11-13 2017-03-28 Kongsberg Automotive, Inc. Assembly for adjusting a lumbar region of a seat
US9744891B2 (en) 2015-04-03 2017-08-29 Dae Chang Seat Co., Ltd. Lumbar support assembly
US20180035809A1 (en) * 2014-05-20 2018-02-08 Jörg Schwarzbich Lordosis Support
US10406952B2 (en) 2015-08-04 2019-09-10 Ts Tech Co., Ltd. Vehicle seat
US10427569B2 (en) 2015-01-26 2019-10-01 Kongsberg Automotive, Inc. Adjustment mechanism for a seat
US10952535B2 (en) 2018-11-05 2021-03-23 La-Z-Boy Incorporated Furniture member having lumbar adjustment mechanism
US11324324B2 (en) 2018-11-05 2022-05-10 La-Z-Boy Incorporated Furniture member having lumbar adjustment mechanism
US11672348B2 (en) 2018-11-05 2023-06-13 La-Z-Boy Incorporated Furniture member having lumbar adjustment mechanism

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Publication number Priority date Publication date Assignee Title
KR101149075B1 (en) * 2009-09-16 2012-05-25 (주)디에스시 Lumbar support assembly
KR101664949B1 (en) * 2015-06-22 2016-10-17 (주)디에스시 Lumbar Support Assembly For Vehicle
CN105216667A (en) * 2015-11-04 2016-01-06 浙江雅虎汽车部件有限公司 Waist support of car seat mechanism
KR102179955B1 (en) 2019-05-31 2020-11-17 주식회사 디에스시동탄 Lumber support assembly

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CA2617796A1 (en) 2007-02-08
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JP2009502381A (en) 2009-01-29
DE102005036774B4 (en) 2011-03-31

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