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Class Information
Number: 248/576
Name: Supports > Resilient support > Adjustable preloading of resilient means > Plural springs
Description: Structure comprising a plurality of adjustable springs.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7490440 |
Support device for a rib |
Feb. 17, 2009 |
| 7223338 |
Support element for an integrated module for blood treatment, an integrated module for blood treatment, and a manufacturing process for an integrated module for blood treatment |
May. 29, 2007 |
| 7032874 |
Suspension adjusting handle for a suspension system |
Apr. 25, 2006 |
| 6357729 |
Weight adjusting mechanism for a suspension seat |
Mar. 19, 2002 |
| 6003828 |
Means for supporting a mask |
Dec. 21, 1999 |
| 5831780 |
Continually supported thin mirror with force-type actuators |
Nov. 3, 1998 |
| 5490714 |
Metal crib structure for a rocking chair seating plane |
Feb. 13, 1996 |
| 5435515 |
Adustable, iso-elastic support apparatus |
Jul. 25, 1995 |
| 5360196 |
Adjustable, iso-elastic support apparatus |
Nov. 1, 1994 |
| 5263691 |
Helicopter load vibration damper |
Nov. 23, 1993 |
| 5180136 |
Counterbalance mechanism |
Jan. 19, 1993 |
| 5154393 |
Seat suspension with downstop slide element for automatic slide gap adjustment |
Oct. 13, 1992 |
| 4886232 |
Deflectable mounting for upright mast |
Dec. 12, 1989 |
| 4865288 |
Deflectable mounting |
Sep. 12, 1989 |
| 4863138 |
Deflectable mounting for upright mast |
Sep. 5, 1989 |
| 4838510 |
Seat mounting for office chairs |
Jun. 13, 1989 |
| 4786106 |
Rocking chair construction and method of making same |
Nov. 22, 1988 |
| 4778037 |
Vibration or shock isolators with tension and compression springs arranged equiangularly in a rosette |
Oct. 18, 1988 |
| 4702454 |
Buffer device for use to the seats of vehicles |
Oct. 27, 1987 |
| 4699257 |
Variable frequency vibration isolator |
Oct. 13, 1987 |
| 4648578 |
Weight adjustment device for a seat suspension |
Mar. 10, 1987 |
| 4615591 |
Mechanical positioning device for scientific instruments |
Oct. 7, 1986 |
| 4611089 |
Thermoelectric converter |
Sep. 9, 1986 |
| 4583158 |
High voltage thyristor valve |
Apr. 15, 1986 |
| 4557459 |
Load counterbalancing mechanisms |
Dec. 10, 1985 |
| 4455010 |
Resilient support |
Jun. 19, 1984 |
| 4362335 |
Adjustable chair backrest mechanism using pneumatic and mechanical springs |
Dec. 7, 1982 |
| 4241894 |
Seat suspension apparatus |
Dec. 30, 1980 |
| 4186963 |
Upright vehicle seat support |
Feb. 5, 1980 |
| 4151973 |
Spring controlled shock absorbing seat |
May. 1, 1979 |
| 4103858 |
Seat support assembly for a recreational vehicle |
Aug. 1, 1978 |
| 4013257 |
Chair control |
Mar. 22, 1977 |
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