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Class Information
Number: 267/122
Name: Spring devices > Fluid > Expansible-contractible chamber device > Diaphragm or bellows
Description: Spring device in which the displaceable wall comprises either (a) a separate, bidirectionally flexible wall member connected throughout its periphery to the side walls, or (b) accordion-pleated side wall structure.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7487957 |
Pneumatic spring vibration damper assembly unit |
Feb. 10, 2009 |
| 7328887 |
Self-indexing spacer for air spring assembly |
Feb. 12, 2008 |
| 7226044 |
Rolling-lobe air spring |
Jun. 5, 2007 |
| 7188827 |
Gas spring with a protective sleeve for a rolling bellows |
Mar. 13, 2007 |
| 7182191 |
Motion damper |
Feb. 27, 2007 |
| 7156382 |
Dual airbag airspring |
Jan. 2, 2007 |
| 7150451 |
Air spring and jounce shock assembly |
Dec. 19, 2006 |
| 7114599 |
Protective sleeve |
Oct. 3, 2006 |
| 7100908 |
Shock absorber/pneumatic spring strut |
Sep. 5, 2006 |
| 7036803 |
Switchable hydraulic vibration damping mount |
May. 2, 2006 |
| 7032896 |
Piston-cylinder assembly with a bellows |
Apr. 25, 2006 |
| 6962330 |
Vibration damper |
Nov. 8, 2005 |
| 6957806 |
Airspring assembly |
Oct. 25, 2005 |
| 6945548 |
Air spring and air spring mounting assembly |
Sep. 20, 2005 |
| 6926264 |
Air spring upper retainer |
Aug. 9, 2005 |
| 6923433 |
Pneumatic spring with integrated control valve |
Aug. 2, 2005 |
| 6905113 |
Double rolling-lobe spring arrangement |
Jun. 14, 2005 |
| 6883651 |
Dust cover receiving structure of hydraulic shock absorber |
Apr. 26, 2005 |
| 6820866 |
Attenuator apparatus |
Nov. 23, 2004 |
| 6817597 |
Spring-and-shock absorber system having differential roll bellows |
Nov. 16, 2004 |
| 6814347 |
Booster to adapt air spring pressure for FDD shock absorber |
Nov. 9, 2004 |
| 6786509 |
Vehicle suspension with a dock height holding device |
Sep. 7, 2004 |
| 6786476 |
Airspring |
Sep. 7, 2004 |
| 6752388 |
Spring arrangement having a double rolling-lobe flexible member |
Jun. 22, 2004 |
| 6749184 |
Air spring and method for making the same |
Jun. 15, 2004 |
| 6742775 |
Air spring with two part housing |
Jun. 1, 2004 |
| 6715744 |
Air spring shock absorber module with internal load-based damping adjustment |
Apr. 6, 2004 |
| 6712289 |
Fuel injection valve |
Mar. 30, 2004 |
| 6691989 |
Variable rate air spring assembly |
Feb. 17, 2004 |
| 6685173 |
Air spring strut |
Feb. 3, 2004 |
| 6682058 |
Air-spring assembly |
Jan. 27, 2004 |
| 6676115 |
Spring system |
Jan. 13, 2004 |
| 6669181 |
Vibration isolating apparatus |
Dec. 30, 2003 |
| 6663091 |
Hydraulic bearing |
Dec. 16, 2003 |
| 6651995 |
Vehicle axle suspension |
Nov. 25, 2003 |
| 6637732 |
Pneumatic suspension system |
Oct. 28, 2003 |
| 6607186 |
Shock absorber |
Aug. 19, 2003 |
| 6585239 |
Compensation of transverse forces in pneumatic spring struts |
Jul. 1, 2003 |
| 6568665 |
Pneumatic shock-absorber |
May. 27, 2003 |
| 6520492 |
Pneumatic spring arrangement |
Feb. 18, 2003 |
| 6494443 |
End plates for air bellows |
Dec. 17, 2002 |
| 6491289 |
Oleo-pneumatic shock absorbing system |
Dec. 10, 2002 |
| 6474630 |
Air spring swage assembly |
Nov. 5, 2002 |
| 6467760 |
Filling valve for a gas bag |
Oct. 22, 2002 |
| 6457702 |
Annular bellows unit for vehicle suspension |
Oct. 1, 2002 |
| 6450304 |
Piston and rod assembly for air-actuated variable damping |
Sep. 17, 2002 |
| 6439552 |
Overhead wire tensioning device |
Aug. 27, 2002 |
| 6422542 |
Air damper for movable elements, in particular in automobiles |
Jul. 23, 2002 |
| 6422543 |
Self-closing pneumatic spring system |
Jul. 23, 2002 |
| 6422541 |
Bicycle cushion device |
Jul. 23, 2002 |
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