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Class Information
Number: 267/285
Name: Spring devices > Vehicle > Torsion > Plural torsion spring
Description: Spring device including a second spring element which is subjected to a twisting force about its central axis when the vehicle parts are relatively displaced, and undergoes a resultant elastic deformation about that axis.

Patents under this class:

Patent Number Title Of Patent Date Issued
8061697 Wheel with rotary shock absorber Nov. 22, 2011
8052161 Wheel suspension for a motor vehicle Nov. 8, 2011
8006989 Wheel suspension for a motor vehicle Aug. 30, 2011
7625001 Single and tandem shunted torsion bar suspensions Dec. 1, 2009
7566050 Rotary shock absorber Jul. 28, 2009
7543832 Variable rate stabilizer bar Jun. 9, 2009
7527251 Non-helical torsion spring system May. 5, 2009
7261287 Vehicle having a suspension assembly with multiple torsion members which cooperatively provide suspension Aug. 28, 2007
7128191 Actuator assembly Oct. 31, 2006
6877728 Suspension assembly having multiple torsion members which cooperatively provide suspension to a wheel Apr. 12, 2005
6752411 Multi-stage torsion axle Jun. 22, 2004
6457622 Actuation mechanism for a tarping system Oct. 1, 2002
6318527 Inertial vibration isolator spring for helicopter Nov. 20, 2001
6318790 Actuation mechanism for a tarping system Nov. 20, 2001
6158725 Device for storing energy in spring storages Dec. 12, 2000
6102381 Device for storing energy in spring storages Aug. 15, 2000
5222762 Double piano hinge vehicle suspension Jun. 29, 1993
5163701 Torsion spring vehicle suspension Nov. 17, 1992
5158321 Torsional suspension unit Oct. 27, 1992
4863148 Apparatus for adjustment of automobile torsion bar suspension assembly Sep. 5, 1989
4804170 Counterbalance assembly for rotatable robotic arm and the like Feb. 14, 1989
4787612 Torsional vibration damper Nov. 29, 1988
4194761 Suspension system for tracked vehicles Mar. 25, 1980
3990725 Independent front suspension for a motor vehicle Nov. 9, 1976
3944248 Suspension system Mar. 16, 1976

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