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Class Information
Number: 248/575
Name: Supports > Resilient support > Adjustable preloading of resilient means
Description: Structure comprising adjustable means for preloading the resilient means by distorting the resilient means independently of the distortion caused by the supported structure.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7152839 |
Vehicle seating system with improved vibration isolation |
Dec. 26, 2006 |
| 7032874 |
Suspension adjusting handle for a suspension system |
Apr. 25, 2006 |
| 6954558 |
Method and apparatus for phase shifting an optical beam in an optical device |
Oct. 11, 2005 |
| 6897451 |
Isokinetic gantry arrangement for the isocentric guidance of a particle beam and a method for constructing same |
May. 24, 2005 |
| 6866236 |
Vehicle seating system with improved vibration isolation |
Mar. 15, 2005 |
| 6676101 |
Vibration isolation system |
Jan. 13, 2004 |
| 6663076 |
Seat post cushioning mechanism |
Dec. 16, 2003 |
| 6557816 |
Motor mounting structure and drive shaft mounting structure |
May. 6, 2003 |
| 6547206 |
Seat suspension for wheelchair |
Apr. 15, 2003 |
| 6158708 |
Rotational flatness improvement |
Dec. 12, 2000 |
| 6102354 |
Long stroke, linear energy management unit |
Aug. 15, 2000 |
| 6098937 |
Support stand, assembly using the same, and method of making the same |
Aug. 8, 2000 |
| 5871198 |
Low profile seat suspension |
Feb. 16, 1999 |
| 5765802 |
Low profile seat suspension |
Jun. 16, 1998 |
| 5649740 |
Chair tilt control mechanism |
Jul. 22, 1997 |
| 5645216 |
Bearing for a part of a railroad track |
Jul. 8, 1997 |
| 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 |
| 5511759 |
Hydraulic chair height adjustment mechanism |
Apr. 30, 1996 |
| 5490657 |
Seat, in particular a vehicle seat |
Feb. 13, 1996 |
| 5236171 |
Load supporting linkage with gas spring |
Aug. 17, 1993 |
| 5211367 |
Single arm articulated keyboard support |
May. 18, 1993 |
| 5178025 |
Tiltable lift seat devices |
Jan. 12, 1993 |
| 5170997 |
Resilient articulation with variable stiffness |
Dec. 15, 1992 |
| 5125631 |
Seat suspension with cam support member and spring assisted height adjustment |
Jun. 30, 1992 |
| 5036555 |
Bathing unit with adjustable height platform |
Aug. 6, 1991 |
| 4989916 |
Upholstered article of furniture |
Feb. 5, 1991 |
| 4943037 |
Suspension device with cam support member |
Jul. 24, 1990 |
| 4892354 |
Chair seat tilt control |
Jan. 9, 1990 |
| 4890810 |
Seat suspension device |
Jan. 2, 1990 |
| 4889384 |
Knee-action chair control |
Dec. 26, 1989 |
| 4884777 |
Seat suspension device |
Dec. 5, 1989 |
| 4883249 |
Counterbalancing |
Nov. 28, 1989 |
| 4880201 |
Constant natural frequency, mechanical spring seat suspension |
Nov. 14, 1989 |
| 4871208 |
Chair tilt control mechanism |
Oct. 3, 1989 |
| 4852849 |
Lifting seats |
Aug. 1, 1989 |
| 4832402 |
Adjusting mechanism for a chair |
May. 23, 1989 |
| 4818019 |
Tilt control mechanism, particularly for knee-tilt chair |
Apr. 4, 1989 |
| 4755025 |
Apparatus and method of preloading vibration-damping bellows |
Jul. 5, 1988 |
| 4744600 |
Cushioning mechanism for use with seat of chair and interlocking cushioning mechanism for seat and backrest |
May. 17, 1988 |
| 4736984 |
Pivot assembly for reclining chair with rocking feature |
Apr. 12, 1988 |
| 4729539 |
Seat suspension device |
Mar. 8, 1988 |
| 4718591 |
Wire bonder with open center of motion |
Jan. 12, 1988 |
| 4666121 |
Spring-tilt mechanism for a chair or seat |
May. 19, 1987 |
| 4659052 |
Vertical adjustment support device for a vehicle seat |
Apr. 21, 1987 |
| 4657361 |
Mirror mounting arrangement |
Apr. 14, 1987 |
| 4603830 |
Spring mounting apparatus |
Aug. 5, 1986 |
| 4598853 |
Open-center flexural pivot wire bonding head |
Jul. 8, 1986 |
| 4597567 |
Adjustable torsion spring |
Jul. 1, 1986 |
| 4573657 |
Vertical adjustment device for a vehicle seat |
Mar. 4, 1986 |
| 4570895 |
Chair control tension adjustment assembly |
Feb. 18, 1986 |
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