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Class Information
Number: 297/284.4
Name: Chairs and seats > Bottom or back with means to alter contour > Providing support for lower back (i.e., lumbar) region
Description: Device wherein the adjustable contour is provided in the area adapted to contact the lower back region of a seated occupant.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7458637 |
Back construction with flexible lumbar |
Dec. 2, 2008 |
| 7452028 |
Modular comfort assembly for occupant support |
Nov. 18, 2008 |
| 7445287 |
Seat device for a chair |
Nov. 4, 2008 |
| 7429080 |
Seat with adjustable support system |
Sep. 30, 2008 |
| 7427105 |
Back construction for seating unit |
Sep. 23, 2008 |
| 7425036 |
Comfort belt spring pulley |
Sep. 16, 2008 |
| 7422287 |
Seating with shape-changing back support frame |
Sep. 9, 2008 |
| 7419222 |
Support member for a seating structure |
Sep. 2, 2008 |
| 7401855 |
Seat with ergomechanics |
Jul. 22, 2008 |
| 7398142 |
Lumbar support and control device for a lumber support and method for controlling a lumbar support of a motor vehicle |
Jul. 8, 2008 |
| 7396082 |
Task chair |
Jul. 8, 2008 |
| 7396079 |
Seating with shape-changing back support frame |
Jul. 8, 2008 |
| 7393054 |
Self adjusting seatback system |
Jul. 1, 2008 |
| 7360836 |
Seat insert and method for producing the same |
Apr. 22, 2008 |
| 7354107 |
Vehicle seat with a deformable S-shaped backrest |
Apr. 8, 2008 |
| 7347495 |
Chair back with lumbar and pelvic supports |
Mar. 25, 2008 |
| 7344194 |
Device for lumbar support |
Mar. 18, 2008 |
| 7338123 |
Ergonomic chair |
Mar. 4, 2008 |
| 7338124 |
Dual drive power actuator |
Mar. 4, 2008 |
| 7334841 |
Angle adjustment mechanism for lumbar support of chair backrest |
Feb. 26, 2008 |
| 7328950 |
Dual hinge belt lumbar |
Feb. 12, 2008 |
| 7309105 |
Lift wire lumbar |
Dec. 18, 2007 |
| 7303231 |
Massage apparatus and method for lumbar support |
Dec. 4, 2007 |
| 7300106 |
Trim foam lumbar |
Nov. 27, 2007 |
| 7290837 |
Cushion plate for vehicle seat |
Nov. 6, 2007 |
| 7270374 |
Structure for anatomical support with frame and convex cushioned plate for back, headrest and seat, for seating in general, especially seats in motor vehicles, with manual and motor-driven ada |
Sep. 18, 2007 |
| 7255394 |
Lumbar support, cushion for seat, and seat structure |
Aug. 14, 2007 |
| 7252335 |
Lumbar with flexwires in cross |
Aug. 7, 2007 |
| 7249802 |
Back support structure |
Jul. 31, 2007 |
| 7246845 |
Structural seat system for an automotive vehicle |
Jul. 24, 2007 |
| 7237847 |
Automotive seat with active back |
Jul. 3, 2007 |
| 7234773 |
Backrest for a chair, with a retractor |
Jun. 26, 2007 |
| 7226127 |
Ergonomic chair backrest |
Jun. 5, 2007 |
| 7216936 |
Cushion construction for seating unit |
May. 15, 2007 |
| 7216933 |
Backrest, particularly for an office chair |
May. 15, 2007 |
| 7201446 |
Integrated adjustable lumbar support and trim attachment system |
Apr. 10, 2007 |
| 7165810 |
Low cost lever acutator apparatus and method |
Jan. 23, 2007 |
| 7140680 |
Fold down seat lumbar support apparatus and method |
Nov. 28, 2006 |
| 7140681 |
Occupant centering ergonomic support apparatus and method |
Nov. 28, 2006 |
| 7137664 |
Automatically actuating ergonomic support system for a fold down seat |
Nov. 21, 2006 |
| 7131694 |
Adjustable lumbar support for vehicle seat |
Nov. 7, 2006 |
| 7131700 |
Back construction for seating unit |
Nov. 7, 2006 |
| 7128372 |
Vehicle seat having a lumbar support system |
Oct. 31, 2006 |
| 7120984 |
Method of producing a lordosis support |
Oct. 17, 2006 |
| 7114777 |
Chair having reclineable back and movable seat |
Oct. 3, 2006 |
| 7113100 |
Vehicle tiredness alleviating system |
Sep. 26, 2006 |
| 7097247 |
Seating unit with adjustable lumbar device |
Aug. 29, 2006 |
| 7090301 |
Apparatus and method for lumbar support structure |
Aug. 15, 2006 |
| 7086700 |
Automobile seat |
Aug. 8, 2006 |
| 7083232 |
Massage apparatus and method for lumbar support |
Aug. 1, 2006 |
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