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Class Information
Number: 464/68.7
Name: Rotary shafts, gudgeons, housings, and flexible couplings for rotary shafts > Torque transmitted via flexible element > Coil spring > Plural > Perpendicular to shaft > Between axially spaced plates > Axially spaced springs
Description: Subject matter wherein axially spaced plates have the resilient or elastic elements gapped along the length of the shaft.

Patents under this class:

Patent Number Title Of Patent Date Issued
8602901 Damper for coupling rotation of motor vehicle driving shafts Dec. 10, 2013
8597130 Force transmission flange for a torque transmission device or a damper device, and torque transmission device or damper device Dec. 3, 2013
8152646 Damper with two-piece plate configuration Apr. 10, 2012
8087508 Torsional vibration damper hub for a vehicle clutch Jan. 3, 2012
7993206 Torque fluctuation absorber Aug. 9, 2011
6695110 Torque-transmitting apparatus Feb. 24, 2004
6251018 Dampening disk assembly with spring retaining plate Jun. 26, 2001
6244401 Force transmitting apparatus Jun. 12, 2001
6231449 Torsional vibration coupling May. 15, 2001
6186897 Torsional damper, in particular for motor vehicle friction clutch Feb. 13, 2001
5885160 Torsion damping device having circumferentially acting resilient members of different stiffness Mar. 23, 1999
5873785 Apparatus for damping vibrations Feb. 23, 1999
5795230 Torsion damper having several friction stages Aug. 18, 1998
5769721 Torsion damper with a control ring, in particular a motor vehicle friction clutch Jun. 23, 1998
5722525 Motor vehicle friction clutch with a torsional vibration damper, and a torsional vibration damper for a motor vehicle friction clutch Mar. 3, 1998
5695032 Hydraulic clutch system with flywheel Dec. 9, 1997
5688177 Transmission system for a motor vehicle, the transmission system having a flywheel with two centrifugal masses Nov. 18, 1997
5374218 Assembly for compensation of fluctuations of torque Dec. 20, 1994
5322474 Spring dampened damper disc having first and second stage torsion springs Jun. 21, 1994
5279398 Torsion damping device for torque transmission apparatus Jan. 18, 1994
5246399 Two-stage torsional vibration damper Sep. 21, 1993
5246398 Clutch disk with torsional damper device Sep. 21, 1993
5194046 Damper type flywheel assembly with at least one substantially segment-shaped member Mar. 16, 1993
5194044 Torsional vibration damping apparatus Mar. 16, 1993
5168773 Flywheel device for an internal combustion engine Dec. 8, 1992
5139122 Torque converter including a lock-up clutch Aug. 18, 1992
4846759 Device for reducing engine-excited vibrations of a drive train, especially a split flywheel Jul. 11, 1989
4844224 Flywheel assembly Jul. 4, 1989
4716998 Direct coupling clutch with a damper device for a fluid coupling Jan. 5, 1988
4483684 Torsional impulse damper for direct connection to universal joint drive shaft Nov. 20, 1984
4471863 Multi-stage torsional damping device Sep. 18, 1984
4188806 Torsional vibration damper assembly Feb. 19, 1980

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