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Class Information
Number: 297/284.8
Name: Chairs and seats > Bottom or back with means to alter contour > Providing support for lower back (i.e., lumbar) region > Rectilinear horizontal adjustment
Description: Device wherein the lumbar support is movable to a selected position along a substantially straight line outwardly from a vertical plane.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7357453 |
Chair with armrests |
Apr. 15, 2008 |
| 7328950 |
Dual hinge belt lumbar |
Feb. 12, 2008 |
| 7303232 |
Backrest adjusting device for office chairs |
Dec. 4, 2007 |
| 7172247 |
Motor vehicle seat system, control arrangement, actuating arrangement, and process for control of a lumbar adjustment device of a motor vehicle seat |
Feb. 6, 2007 |
| 7140680 |
Fold down seat lumbar support apparatus and method |
Nov. 28, 2006 |
| 7137664 |
Automatically actuating ergonomic support system for a fold down seat |
Nov. 21, 2006 |
| 6983990 |
Dual drive power actuator |
Jan. 10, 2006 |
| 6905170 |
Fold down seat lumbar support apparatus and method |
Jun. 14, 2005 |
| 6893089 |
Method and apparatus for lumbar support with integrated actuator housing |
May. 17, 2005 |
| 6692074 |
Apparatus and method for bi-directional cable adjustment of an ergonomic support |
Feb. 17, 2004 |
| 6652029 |
Unitized back plate and lumbar support |
Nov. 25, 2003 |
| 6575530 |
Device for lumbar support |
Jun. 10, 2003 |
| 6530622 |
Biomechanical vehicle seat |
Mar. 11, 2003 |
| 6189972 |
Lumbar support adjustment mechanism |
Feb. 20, 2001 |
| 6109693 |
Motor vehicle seat with a seat support with a device for the adjustment of the seat depth |
Aug. 29, 2000 |
| 6079785 |
Chair having adjustable lumbar support |
Jun. 27, 2000 |
| 6056360 |
Adjustable lumbar seat support |
May. 2, 2000 |
| 6053064 |
Lumbar support screw actuator |
Apr. 25, 2000 |
| 6050641 |
Four-way power lumbar system |
Apr. 18, 2000 |
| 5954399 |
Lumbar support for a car seat |
Sep. 21, 1999 |
| 5947558 |
Lumbar support device |
Sep. 7, 1999 |
| 5896604 |
Support module |
Apr. 27, 1999 |
| 5860700 |
Lumbar support adjustment device |
Jan. 19, 1999 |
| 5823620 |
Vehicle seat having lumbar support |
Oct. 20, 1998 |
| 5797652 |
Lumbar support adjustment |
Aug. 25, 1998 |
| 5788328 |
Lumbar support adjustment |
Aug. 4, 1998 |
| 5769490 |
Adjustable lumbar support |
Jun. 23, 1998 |
| 5727848 |
Computer work station chair |
Mar. 17, 1998 |
| 5697672 |
Improvements in and relating to seat arrangements providing adjustable support |
Dec. 16, 1997 |
| 5660438 |
Chair having ergonomic lumbar support cushion |
Aug. 26, 1997 |
| 5553919 |
Scissor jack lumbar support |
Sep. 10, 1996 |
| 5466045 |
Lumbar support device |
Nov. 14, 1995 |
| 5462335 |
Adjustable lumbar support for seat backs |
Oct. 31, 1995 |
| 5423593 |
Lumbar support device |
Jun. 13, 1995 |
| 5403069 |
Lumbar support device |
Apr. 4, 1995 |
| 5364162 |
Backrest assembly for a wheelchair |
Nov. 15, 1994 |
| 5328245 |
Chair having adjustable back support |
Jul. 12, 1994 |
| 5314236 |
Lumbar support apparatus for vehicular seat |
May. 24, 1994 |
| 5286087 |
Seat assembly with lumbar support mechanism |
Feb. 15, 1994 |
| 5240308 |
Ergonomic adjustable chair and method |
Aug. 31, 1993 |
| 5211446 |
Wheelchair back system |
May. 18, 1993 |
| 5197780 |
Transmission device for cable control of lumbar support mechanism |
Mar. 30, 1993 |
| 4957102 |
Lumbar support device |
Sep. 18, 1990 |
| 4944554 |
Active biomechanical chair |
Jul. 31, 1990 |
| 4893872 |
Office chair with waist supporter |
Jan. 16, 1990 |
| 4776632 |
Seat adjusting apparatus for an automotive vehicle |
Oct. 11, 1988 |
| 4762367 |
Vehicle headrest |
Aug. 9, 1988 |
| 4730871 |
Adjustable back rest |
Mar. 15, 1988 |
| 4678230 |
Back support means |
Jul. 7, 1987 |
| 4647066 |
Orthopedic chair |
Mar. 3, 1987 |
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