| Patents for A47B 9 - Tables with tops of variable height (4,860) |
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| 04/19/1990 | DE3835436A1 Height-adjustment device for table tops, in particular of office furniture |
| 04/18/1990 | CN2056031U Full-automatic high-quality revolving dining table |
| 04/17/1990 | US4916968 Device for mounting an operating lever for a gas spring |
| 04/12/1990 | DE3834544A1 Worktable for laboratories |
| 04/04/1990 | CN2055336U Height-adjustable folding type desk and chair |
| 03/28/1990 | EP0360020A1 Device for adjusting the height and fixing the top of a table |
| 03/21/1990 | EP0358759A1 Table structure |
| 03/15/1990 | DE3829369A1 Convertible table |
| 03/14/1990 | CN2054277U Height-adjustable school desk for student |
| 02/28/1990 | EP0355451A1 Office equipment comprising a supporting member and a top adjustable in height |
| 02/22/1990 | WO1990001282A1 Piece of furniture |
| 02/13/1990 | US4899969 Lockable elevating mechanism for the continuous adjustment of furniture and guide sleeve for such an elevating mechanism |
| 02/07/1990 | CN2052223U Height-adjustable table-bench |
| 02/06/1990 | US4898103 Desk construction |
| 01/31/1990 | CN2051830U Top-adjustable table |
| 01/25/1990 | DE3919338A1 Table |
| 01/16/1990 | US4894600 For facilitating physically challenged/developmentally disabled personnel |
| 12/21/1989 | DE3820134A1 Dismountable stand-at table consisting of a baseplate with guide tube, standing tube, height-adjustable intermediate panel and table top |
| 12/21/1989 | DE3819758A1 Frame for a piece of furniture |
| 12/13/1989 | CN2049090U Practical table for hospital bed |
| 11/30/1989 | DE3904510A1 Adjustment device |
| 11/29/1989 | CN2048308U Multi-functional convenient table |
| 11/29/1989 | CN1037448A Arrangement |
| 11/21/1989 | US4881471 Vertically adjustable, retrofittable workstation |
| 11/02/1989 | WO1989010077A1 Adaptive work station |
| 10/18/1989 | CN2045959U Foldable tabe rotating and lifting in middle position of table |
| 10/04/1989 | EP0161308B1 Adjustable leg for supporting a table |
| 10/03/1989 | US4871149 Lockable pneumatic spring |
| 09/07/1989 | DE3805859A1 Table |
| 08/29/1989 | US4860668 Movement-controlled locking mechanism, particularly for movable support tables or platforms |
| 08/09/1989 | CN2042312U Height adjustable matching desk and chair |
| 08/08/1989 | CA1258288A1 Work surface height adjustment mechanism |
| 08/02/1989 | EP0325726A1 Blockable lifting device for the stepless adjustment of furniture parts, and guiding bush for such a lifting device |
| 08/02/1989 | CN2041907U Multifunctional table |
| 07/25/1989 | US4850563 Adjustable desk frame |
| 07/19/1989 | CN2041117U Height adjustable student desk |
| 07/04/1989 | US4844392 Gas spring adjustable in length for vertically adjustable chairs, tables and the like |
| 06/29/1989 | DE3743234A1 Adjusting device for table legs |
| 06/29/1989 | DE3743233A1 Table leg height-adjusting device |
| 05/24/1989 | CN2037950U Multifunction combined rotatory table |
| 05/17/1989 | CN2037572U Folding table and chair with adjustable height |
| 05/09/1989 | US4828208 Vertically adjustable table with retractable caster assembly |
| 05/03/1989 | DE3735663A1 Height-adjusting mechanism |
| 05/02/1989 | US4825780 Bilevel student activity table |
| 04/27/1989 | DE3811462C1 Vertically adjustable retaining device for panels, in particular table tops |
| 04/05/1989 | EP0309696A2 Desk |
| 03/30/1989 | DE3731592A1 Height-adjusting device for tables |
| 03/29/1989 | CN2034799U Foldable and height-variable domestic student desk |
| 03/22/1989 | EP0307565A1 Work bench with an adjustable top |
| 03/15/1989 | CN2034008U Multifunction adjustable angle elevating table |
| 03/08/1989 | CN2033624U Adjustable table-chair |
| 03/07/1989 | US4810353 Pop-up table furniture with storage facility |
| 02/21/1989 | US4805542 Table |
| 02/21/1989 | US4805538 Electric terminal table |
| 02/15/1989 | EP0303317A2 Adjustable support table for medical use |
| 02/15/1989 | CN2032418U Standard desk adjustable for vision protection |
| 02/01/1989 | EP0302050A2 Piece of furniture adjustable in height |
| 01/18/1989 | CN2030822U Multifunctional adjustable school desks and chairs |
| 01/10/1989 | CA1248431A1 Device in an actuator for elevation adjustment of work stations |
| 01/05/1989 | DE3817102A1 Table, in particular for VDU-based workstations |
| 01/03/1989 | US4794868 Concealable enclosure table |
| 12/29/1988 | WO1988010081A1 Table having a table board the height of which is adjustable |
| 12/28/1988 | EP0296400A1 Table especially for CRT work stations |
| 12/21/1988 | CN88210508U 可调式折叠桌 Adjustable Folding Table |
| 12/07/1988 | CN87216782U Portable health reading appliance |
| 11/30/1988 | CN88212558U Multifunctional table |
| 11/24/1988 | DE3815809A1 Gas-spring actuation lever mounting device - uses plastics type bearing block with semicircular shaped larger periphery |
| 11/03/1988 | WO1988008494A1 Table structure |
| 10/26/1988 | EP0288430A1 Locking mechanism, especially for the height adjustment of table tops |
| 09/21/1988 | EP0283103A1 Table-leg for a table having a tabletop being adjustable in height, and such a table |
| 09/14/1988 | EP0089985B1 Height adjustable table for working posts with cathodic screen |
| 08/24/1988 | CN86209553U Foldable steel-rack study or office table |
| 08/02/1988 | US4760801 Outdoor cooking table |
| 07/28/1988 | DE3738298A1 Length-adjustable gas spring for height-adjustable chairs, tables or the like |
| 07/19/1988 | CA1239435A1 Furniture piece with a table top whose height and/or angle of tilt can be adjusted |
| 07/07/1988 | DE3644074A1 Rapid lowering and lifting device for equipment for inserting in small items of furniture |
| 07/05/1988 | CA1238846A1 Support column unit |
| 06/22/1988 | CN87208863U Multipurpose table and chair with lifting function |
| 06/21/1988 | US4751884 Height adjustable work top |
| 05/31/1988 | US4747353 Straight line motion mechanism |
| 05/04/1988 | CN87209589U Lifting desk and chair |
| 04/27/1988 | CN87205195U Sitting position correction device with meter for children |
| 04/21/1988 | DE3635116A1 Supporting element of a work table |
| 04/19/1988 | US4738107 Device in an actuator for elevation adjustment of work stations |
| 04/14/1988 | DE3634059A1 Locking device for telescopic legs of height-adjustable furniture |
| 04/12/1988 | US4736690 Lifting table top mechanism |
| 03/16/1988 | CN87202019U Height-adjustable folding table |
| 03/16/1988 | CN87104722A Height-adjustable device for the elevatable desk and chair |
| 02/03/1988 | CN87201431U Multifunction folding table |
| 01/27/1988 | CN87200112U Adjustable multipurpose desk |
| 01/12/1988 | US4718355 Vertically adjustable patient support table |
| 12/23/1987 | CN86205492U Rectangular table with hight and shape changeable |
| 12/22/1987 | US4714028 Height adjustable table |
| 12/22/1987 | US4714025 For adjusting the height of a table |
| 12/16/1987 | CN86205826U Multipurpose table base for adjusting height by crossed swing |
| 12/08/1987 | US4711184 Arrangement for a desk comprising a desk-top which can be raised and lowered |
| 11/05/1987 | WO1987006439A1 Desk comprising a desk top that is vertically adjustable within a great range |
| 11/03/1987 | US4703700 Height adjustable desk |
| 10/28/1987 | EP0242811A2 Table and/or cupboard to be put up against a vertical wall |
| 09/30/1987 | CN86101803A Domestic chair and desk for pupils |