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Class Information
Number: 297/353
Name: Chairs and seats > Movable back
Description: Device wherein means are provided to move or permit movement of the back relative to the other components of the seating device by means of an articulation of the back to the other components.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6135558 |
Motor vehicle seat with backrest foldable into sleeping position |
Oct. 24, 2000 |
| 6095606 |
Adjusting device for chairs |
Aug. 1, 2000 |
| 6062647 |
Adjustable armrest assembly |
May. 16, 2000 |
| 6062646 |
Adjustable-height armrest, in particular for an office chair |
May. 16, 2000 |
| 6059363 |
Chairback with side torsional movement |
May. 9, 2000 |
| 6050634 |
Device for adjusting height of an armrest for chair |
Apr. 18, 2000 |
| 6015189 |
Adjustable chair |
Jan. 18, 2000 |
| 5997093 |
Adjustable chair arm |
Dec. 7, 1999 |
| 5967610 |
Chair with swivel seat and backrest |
Oct. 19, 1999 |
| 5951107 |
Height adjusting device with audible feedback |
Sep. 14, 1999 |
| 5951109 |
Chairback with side torsional movement |
Sep. 14, 1999 |
| 5940900 |
Shampoo chair with filter headrest |
Aug. 24, 1999 |
| 5938285 |
Chair back height adjuster |
Aug. 17, 1999 |
| 5927811 |
Adjustable chair-armrest assembly |
Jul. 27, 1999 |
| 5921630 |
Height adjustment mechanism for a back rest or an arm rest of a chair |
Jul. 13, 1999 |
| 5918941 |
Headrest mounting assembly for a chair and the like |
Jul. 6, 1999 |
| 5918938 |
Safety device for mechanisms for lifting the back of a chair or armchair |
Jul. 6, 1999 |
| 5904400 |
Adjustable chair |
May. 18, 1999 |
| 5897166 |
Chair |
Apr. 27, 1999 |
| 5884969 |
Release for a height adjustment of back rests |
Mar. 23, 1999 |
| 5882078 |
Clamp adjustable-height seat-backs |
Mar. 16, 1999 |
| 5882077 |
Height adjustment of back rests |
Mar. 16, 1999 |
| 5879054 |
Armrest Device |
Mar. 9, 1999 |
| 5853222 |
Height-adjustable chair back |
Dec. 29, 1998 |
| 5836651 |
Adjustable cross-divided backrest for vehicle seat |
Nov. 17, 1998 |
| 5836647 |
Vehicle seat with shock absorption |
Nov. 17, 1998 |
| 5823621 |
Reduced shear assembly for recline seat back of a wheelchair |
Oct. 20, 1998 |
| 5791734 |
Chair with a backrest which is continuously adjustable height |
Aug. 11, 1998 |
| 5758926 |
Adjustable seating system |
Jun. 2, 1998 |
| 5755490 |
Office chair structure |
May. 26, 1998 |
| 5735577 |
Adjusting mechanism for use on the armrest of a vehicle's seat |
Apr. 7, 1998 |
| 5730688 |
Portable abdominal-lumbar exercise device |
Mar. 24, 1998 |
| 5725278 |
Chair back height adjuster |
Mar. 10, 1998 |
| 5718479 |
Convertible seating arrangement |
Feb. 17, 1998 |
| 5711576 |
Back height adjustment mechanism for a chair |
Jan. 27, 1998 |
| 5702158 |
Arrangement in structural elements, for example for use in furniture |
Dec. 30, 1997 |
| 5695245 |
Orthotic seat |
Dec. 9, 1997 |
| 5695249 |
Height adjustment mechanism for chair components |
Dec. 9, 1997 |
| 5695250 |
Chair with swivel seat and backrest |
Dec. 9, 1997 |
| 5695251 |
Variable-inclination headrest for a bed, armchair, divan and the like |
Dec. 9, 1997 |
| 5685609 |
Mechanism to adjust the height of a back support of a chair |
Nov. 11, 1997 |
| 5678893 |
Chair, in particular office chair, with an adustable height back-rest construction |
Oct. 21, 1997 |
| 5678892 |
Adjustable furniture apparatus |
Oct. 21, 1997 |
| 5667274 |
Adjustable chair |
Sep. 16, 1997 |
| 5664842 |
Height-adjustable armrest unit for a chair |
Sep. 9, 1997 |
| 5664835 |
Chair |
Sep. 9, 1997 |
| 5649741 |
Adjusting mechanism |
Jul. 22, 1997 |
| 5636900 |
Adjustable seating system |
Jun. 10, 1997 |
| 5634688 |
Reclining chair |
Jun. 3, 1997 |
| 5630650 |
Vertically adjustable back construction for seating |
May. 20, 1997 |
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