Patents for A47B 9 - Tables with tops of variable height (4,860)
11/1993
11/25/1993DE4216511A1 Separable and enlargeable table - has two superimposed leaves each on four legs and has round hole covered by small round plate with felt
11/24/1993CN2147019Y Multi-function table tennis exercise table
11/16/1993US5261334 Table of two heights
11/09/1993US5259326 Automated height adjustable work station
11/03/1993CN2144957Y Folding table cabable for dining table or tea table
10/1993
10/27/1993CN2144438Y Lift device for desk and chair
10/07/1993DE4210951A1 Length-adjusting mechanism for chair and table components - has actuating pin locked by curved plastics leaf-spring supported at two points and has lateral guide faces for the lever
09/1993
09/23/1993DE4209323A1 Work chair with synchronous seat adjustment - has back rest as two armed lever with top and bottom part, with control lever, axle, spindle, hand wheel and spring guide
09/22/1993EP0561136A1 Adjusting device for a leight-adjustable table
09/22/1993EP0431016B1 Piece of furniture
09/15/1993EP0560256A1 Supporting platform
09/15/1993CN1076092A Multifunctional table
09/14/1993US5243921 Adjustable table base
09/08/1993EP0559474A1 Desk having self-releveling height adjustment and hydraulic circuit for it
09/08/1993EP0462997B1 An adjustable oleopneumatic amortized support column, for chairs and armchairs
09/08/1993CN2141659Y Elevating lecture table
09/07/1993CA2091120A1 Desk having self-releveling height adjustment and hydraulic circuit therefor
09/01/1993EP0557372A1 Vertically adjustable desktop, preferably a school desk
08/1993
08/25/1993EP0556258A1 A linkage system with a built-in gas spring.
08/17/1993US5236171 Load supporting linkage with gas spring
08/11/1993CN1075072A Head cushion and relevant desk work equipment thereof
08/10/1993US5234187 Chair height adjustment mechanism
08/04/1993EP0553440A1 Guiding bush for a length adjustable column for chairs, tables or the like
07/1993
07/28/1993EP0552451A1 Height-adjustable table
07/27/1993US5230290 Flush-mounted crank
07/21/1993EP0551604A1 Adjustable column for tables, chairs or the like
07/06/1993US5224429 Height adjustable table
06/1993
06/30/1993CN1021407C Height adjusting device
06/09/1993CN2135285Y Dimension adjustable double-layer rotary kitchen table
06/09/1993CN2135284Y Stepless lifting adjustable table
05/1993
05/12/1993CN2132432Y Table with lifted moving top
05/06/1993DE4202789C1 Height-adjustable telescopic leg - has externally released brake between first and second coaxial tubes, incorporating conical sleeves
05/05/1993CN2131371Y Folding up-down studying desk
05/05/1993CN2131367Y Up-down and ratating top level of dining table
04/1993
04/29/1993DE4233370A1 Table height stepless adjusting mechanism - consists of telescopic unit with outer and inner tubular guides, cylinder with internal thread, and support plate and rollers
04/08/1993DE4132936A1 Continuous height adjustment system for work table - has telescopic legs with mechanical transmission having spindles with bevel gears meshing with central ring gear
04/07/1993CN2129091Y Multi function adjustable table
03/1993
03/30/1993US5197393 Lift and tilt post table
03/10/1993CN2127841Y Adjustable writing desk
03/10/1993CN2127840Y Multi-function dining table
03/04/1993WO1993003650A1 Desk mechanism
03/04/1993DE4129089A1 Support column for chair or tables adjustable in length - has tubular upright with concentric axle inside it, and length adjustment inside housing, with piston rod and bearing discs.
02/1993
02/23/1993US5188345 Lockable elevating mechanism for the continuous adjustment of chair seats
02/17/1993CN2126981Y Height-adjustable table
02/17/1993CN2126980Y Multi-functional folding lifting table
01/1993
01/14/1993DE4119763A1 Table supported on telescopically and non-telescopically operated columns - has lever operated brake with wedge extension, base guide flange, pipes and plates
12/1992
12/23/1992CN2125294U Multi-purpose health-care table
12/17/1992DE4119762A1 Tubular telescopic height adjustment mechanism - has independent pneumatic action wedge type brake mechanism and hydropneumatic ram
11/1992
11/19/1992EP0513838A1 Multi-function table
11/11/1992EP0512434A1 A load-bearing adjustable-length support column and a plastic standpipe therefor
11/10/1992US5161786 Plastic stand pipe support for load-bearing adjustable column
11/04/1992EP0511500A1 Blockable lifting device for continuously adjusting a seat
11/04/1992CN2120484U Lifting desk for writing
11/03/1992CA2067920A1 Plastic standpipe support for a load-bearing adjustable column
10/1992
10/29/1992WO1992018034A1 Motion control apparatus
10/29/1992WO1992018033A1 Method of controlling height adjustable work station
10/29/1992CA2108479A1 Method and apparatus for controlling height adjustable work station
10/14/1992CN2118436U Combined multi-purpose table
10/08/1992DE4216407A1 Table height adjustment arrangement using telescopically engaging components - has two tabs with cams at lower end of rectangular tube or table frame between which claw moves meander-fashion in piston
09/1992
09/16/1992CN2115691U Foldable and height adjustable health workingtable
09/09/1992EP0502058A1 Pillar device.
09/09/1992CN2115003U Dual-purpose moveable rack for square table and teatable
09/02/1992EP0501000A1 Height-adjustable table with linear or slide bearing
08/1992
08/26/1992EP0500187A1 Leg structure
08/26/1992CN2113659U Variable height table capable of adjusting writing posture
08/26/1992CN2113658U Multi-purpose tea table
08/26/1992CN2113656U Height-adjustable folding serial stool for children (students)
08/25/1992US5141300 Wall-mounted jewelry cabinet assembly
08/25/1992CA2002028C Vertically adjustable retrofittable workstation
07/1992
07/15/1992CN1017401B Adjustable oleopheumatic amortized support column for chairs and armchairs
07/14/1992US5129715 Portable desk with bifolding supports
06/1992
06/30/1992US5125646 Aerobic step/bench exercise device
06/09/1992US5120011 Column unit
05/1992
05/30/1992CA2031068A1 Panel attached independant height adjustable corner terminal table
05/29/1992WO1992008393A1 A linkage system with a built-in gas spring
05/29/1992WO1992008392A1 Vertically adjustable desktop, preferably a school desk
05/29/1992CA2095823A1 Linkage system with a built-in gas spring
05/27/1992EP0486761A2 Automatic vertically adjustable work surface
05/26/1992US5116028 Pressure tube-piston device
05/22/1992CA2046406A1 Automatic vertically adjustable work surface
05/13/1992CN2103938U Lift adjustable table
05/13/1992CN2103937U Height-adjustable table
05/13/1992CN2103936U Combined lift table and stool
05/06/1992EP0483806A1 A column unit
04/1992
04/29/1992EP0482638A1 Table
04/29/1992EP0482636A1 Table
04/28/1992US5107775 Adjustable legs for desk and the like
04/23/1992DE4033411A1 Work-station with plate of adjustable height - has wt. counterbalancing mechanism for ease and speed of adjustment
04/21/1992US5106043 Spring and lock support for overbed table
04/15/1992CN2101404U Lifter for table with revolvable top
04/01/1992EP0477617A1 Lengthwise adjustable gas spring and lifting device with such a gas spring
03/1992
03/24/1992US5097928 Positioning device
03/19/1992WO1992003948A1 Stand or leg assembly, in particular for furniture, with al least one telescopically extending leg
03/12/1992DE4129175A1 Adjustment for two inter-sliding pipes - consists of elastically deformable piece like spring or circular wire with right-angled ends
03/11/1992CN2098205U Foldable desk with adjustable height
03/05/1992DE4027720A1 Gestell bzw. gebein, insbesondere eines moebels, mit wenigstens einem teleskopartig verlaengerbaren standbein Frame or bones, especially a piece of furniture, with at least one telescopically extendable foothold
02/1992
02/18/1992US5088421 Adjustable height desk
02/11/1992US5086710 Table with support frame and tabletop and control device for varying the height and inclination of the tabletop
02/11/1992CA1295627C Device for mounting an operating lever for a gas spring
01/1992
01/30/1992DE4029999A1 Straight guide in table underframe - has adjustment for distance between fixed and moving surfaces
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