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Class Information
Number: 192/94
Name: Clutches and power-stop control > Clutches > Operators > Screw
Description: Devices in which the clutch is operated to engaging position by a screw.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8640845 Clutch driving device Feb. 4, 2014
8620513 Actuator arrangement for a motor vehicle drive train and method for operating an actuator arrangement Dec. 31, 2013
8534435 Actuating device for a friction clutch device and torque transmission device formed by the same Sep. 17, 2013
8499914 Arrangement for shifting at least two freewheels Aug. 6, 2013
8474579 Electromotive brake system Jul. 2, 2013
8047349 Electromotive actuator for deflecting a motor vehicle part Nov. 1, 2011
7950510 Torque transfer device with torque limiting mechanism May. 31, 2011
7728477 Dual purpose permanent magnet exciter Jun. 1, 2010
7624853 Torque coupling with disconnectable lubrication pump Dec. 1, 2009
7584832 Apparatus for the adjustment capability of two frictional shifting components Sep. 8, 2009
7523813 Brake application device comprising an electrically actuated wear adjuster Apr. 28, 2009
7481307 Torque transmission apparatus Jan. 27, 2009
7364524 Driveline coupling for electric module Apr. 29, 2008
7334671 Actuating device for a clutch Feb. 26, 2008
7222708 Clutch actuator May. 29, 2007
7156217 Motion transmitting apparatus Jan. 2, 2007
7062987 Ball bearing and a continuously variable speed transmission of belt type Jun. 20, 2006
7040472 Transfer case with controllable clutch May. 9, 2006
7021441 Distributor gear with adjustable coupling Apr. 4, 2006
6945375 Torque transfer device having an electric motor/brake actuator and friction clutch Sep. 20, 2005
6932204 Power transmission device for a four-wheel drive vehicle Aug. 23, 2005
6886675 Motion transmitting apparatus for use in power trains and the like May. 3, 2005
6851537 Worm driven ball screw actuator for traction clutches Feb. 8, 2005
6848557 Clutch actuator unit Feb. 1, 2005
6814197 Actuating device for a friction clutch device, possibly a dual or multiple friction clutch device Nov. 9, 2004
6808052 Torque transfer device with double ball screw clutch actuator Oct. 26, 2004
6808053 Torque transfer device having an electric motor/brake actuator and friction clutch Oct. 26, 2004
6779641 Torque transfer clutch with ball screw actuator Aug. 24, 2004
6780132 Selectively actuated transfer case Aug. 24, 2004
6780134 Torque transfer clutch with ball screw actuator Aug. 24, 2004
6755290 Power transmission device for a four-wheel drive vehicle Jun. 29, 2004
6702084 Clutch operator arrangement Mar. 9, 2004
6698565 Selectively engageable differential Mar. 2, 2004
6691850 Device for operating a clutch Feb. 17, 2004
6684993 Apparatus for controlling a clutch in an automatic vehicle transmission Feb. 3, 2004
6523660 Wheel hub device for a bicycle Feb. 25, 2003
6503167 Externally actuated locking differential assembly Jan. 7, 2003
6454071 Toothed coupling for tracked vehicles Sep. 24, 2002
6401895 Freewheeling hub device for a bicycle Jun. 11, 2002
6316891 Interlock circuit for a lawn and garden tractor Nov. 13, 2001
6244405 Free-wheel hub transmission mechanism Jun. 12, 2001
6167997 Electronically controlled clutch actuation system Jan. 2, 2001
5862875 Differential control unit for front and rear wheels of a 4-wheel drive vehicle Jan. 26, 1999
5820280 Printer with variable torque distribution Oct. 13, 1998
5718315 Free-wheel hub transmission mechanism Feb. 17, 1998
5691587 Magnetic centrifugal clutch Nov. 25, 1997
5669480 Clutch operating apparatus Sep. 23, 1997
5562192 Electronic clutch control mechanism for a vehicle transmission Oct. 8, 1996
5511586 Device for affixing a drive element to a loom warp beam shaft Apr. 30, 1996
5503602 Clutch actuating device having pilot clutches for use in a vehicle interaxle differential Apr. 2, 1996

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