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Class Information
Number: 248/421
Name: Supports > Stand > Adjustable vertically > Toggle or link
Description: Device wherein the adjusting means include a plurality of pivoted bars connected to the support surface and movable to raise and lower the surface.


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
6276650 Seat structure for vehicles Aug. 21, 2001
6267344 Vehicle seat with suspension mechanism Jul. 31, 2001
6241209 Seat support Jun. 5, 2001
6217115 Simplified linkage assembly Apr. 17, 2001
6202972 Combination air spring and shock absorber Mar. 20, 2001
6199820 Seat suspension system controller Mar. 13, 2001
6170911 Child seat Jan. 9, 2001
6161809 Tilt-adjustable supporting device, in particular maintained in a horizontal position Dec. 19, 2000
6155642 Barber/beauty chair Dec. 5, 2000
6135412 Universal seat assembly for garden tractor Oct. 24, 2000
6095475 Manual height adjustment assembly for a vehicle seat Aug. 1, 2000
6073893 Power seat device Jun. 13, 2000
6038986 Brake operational control Mar. 21, 2000
6015128 Percussion bell clamping support Jan. 18, 2000
6015131 Composite vibration mount Jan. 18, 2000
5984410 Cable drive mechanical seat suspension Nov. 16, 1999
5964441 Linkage assembly with extruded hole member Oct. 12, 1999
5957426 Mechanical seat suspension with multiple position, lift-type height adjuster Sep. 28, 1999
5950977 Seat suspension system with defined path of motion Sep. 14, 1999
5927679 Adjustable vehicle seat suspension Jul. 27, 1999
5890695 Non-obtrusive shipboard vibration mount for copier/printers Apr. 6, 1999
5882061 Mechanism for adjusting the angular position of an arm hinged on a support Mar. 16, 1999
5873627 Knee action suspension control seat Feb. 23, 1999
5871195 Vehicle power seat adjuster with one piece torsion tube bushing/spacer Feb. 16, 1999
5863098 Seat height adjusting device Jan. 26, 1999
5810320 Weigh-balancing stand arrangement Sep. 22, 1998
5806824 Vehicle seat adjuster Sep. 15, 1998
5800016 Elevating chair Sep. 1, 1998
5797574 Drive nut apparatus for vehicle seat adjuster Aug. 25, 1998
5788185 Aircraft seat having improved user lumbar load characteristics during a crash event Aug. 4, 1998
5782533 Vehicle seat with an adjustable-height seat frame Jul. 21, 1998
5775661 Seat lifter for motor vehicles Jul. 7, 1998
5772283 Tilt-up automobile seat Jun. 30, 1998
5772167 Basketball-stand Jun. 30, 1998
5765802 Low profile seat suspension Jun. 16, 1998
5758849 Assembly for supporting a computer and related equipment at a selected height Jun. 2, 1998
5730411 Anti-rotational link for rearward impact loading on vehicle power seat adjuster Mar. 24, 1998
5709363 Structure of powered seat Jan. 20, 1998
5709364 Power seat adjusting apparatus Jan. 20, 1998
5683331 Step exercise bench with ratcheting height adjustment Nov. 4, 1997
5676424 Supported vehicle seat, that is capable of pivoting with an adjustment system for the inclination and/or the height of the surface of the seat Oct. 14, 1997
5664755 Interlocking seat adjuster with compensating link Sep. 9, 1997
5657584 Concentric joint mechanism Aug. 19, 1997
5622406 Seat cushion adjustment for vehicle seats Apr. 22, 1997
5584356 Centerline double riser with single lift cylinder and link for a low profile self propelled aerial work platform Dec. 17, 1996
5580027 Cable drive mechanical seat suspension Dec. 3, 1996
5573219 Lifter mounting structure on seat slide rail Nov. 12, 1996
5558301 Aircraft and in particular rotary-wing aircraft seat having an energy absorption device automatically adjustable as a function of the size of the occupant Sep. 24, 1996
5547158 Device for adjusting the seating level of a vehicle seat Aug. 20, 1996
5542638 Base assembly for use with a suspension system of a vehicle seat Aug. 6, 1996

1 2 3 4 5 6


 
 
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