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Class Information
Number: 180/250
Name: Motor vehicles > Having four wheels driven > With differential means for driving two wheel sets at dissimilar speeds > And means for locking out the differential means > Manually operated type of lockout means
Description: Vehicle wherein the means for preventing the differential means from functioning is of the kind which requires the intervention of an individual (e.g., the vehicle operator) for its actuation.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8246096 Differential action railroad car axle assembly Aug. 21, 2012
8152672 Differential assembly including differential lock and blocking member Apr. 10, 2012
7650956 Vehicle drive control apparatus and method Jan. 26, 2010
7493982 Control device for a four-wheel drive vehicle Feb. 24, 2009
7458437 Arrangement in a four-wheel drive motor vehicle Dec. 2, 2008
7399250 All-wheel drive train Jul. 15, 2008
7384357 Speed reduction gear train with planetary differential for electric motor axle drive Jun. 10, 2008
7147076 Drive system for off-road vehicle Dec. 12, 2006
6887177 Transfer for a four-wheel drive vehicle May. 3, 2005
6619418 Friction material for a dry friction device, a method of making such a dry friction material, and a dry friction device equipped with such a material Sep. 16, 2003
6450915 Driving force transmitting device for vehicle Sep. 17, 2002
6427797 Transmission structure of gearbox of electrically actuated car Aug. 6, 2002
6206128 Working vehicle Mar. 27, 2001
6094132 System for monitoring driveline spinout conditions Jul. 25, 2000
6076623 Four-wheel drive vehicle power train Jun. 20, 2000
6070685 Four wheel drive system for automotive vehicle Jun. 6, 2000
5902205 Full-time transfer case with integrated planetary gearset and biasing clutch May. 11, 1999
5813490 Four Wheel drive system for automotive vehicle Sep. 29, 1998
5609540 Full-time double offset transfer case Mar. 11, 1997
5597369 Transfer case with integrated viscous coupling Jan. 28, 1997
5366041 Vehicle control system Nov. 22, 1994
5271478 Power transmitting system Dec. 21, 1993
5183132 Power transfer device having center differential gear for four-wheel drive vehicle Feb. 2, 1993
5105900 Transfer case cold shift assist Apr. 21, 1992
5105902 Transfer case shift-on-fly system Apr. 21, 1992
5086867 Power transmission apparatus Feb. 11, 1992
5083478 Four-wheel vehicle drive system Jan. 28, 1992
5078660 Transfer case limited slip planetary differential Jan. 7, 1992
5046576 Control system for a transfer device of a four-wheel drive vehicle with a continuously variable belt-drive transmission Sep. 10, 1991
5005663 Four-wheel drive vehicle Apr. 9, 1991
4915191 Transfer device for a four-wheel drive vehicle Apr. 10, 1990
4909345 Power transmission device for four wheel drive vehicles Mar. 20, 1990
4907473 Differential mechanism of a four-wheel driving apparatus for vehicles Mar. 13, 1990
4898259 Four-wheel drive apparatus for automotive vehicles Feb. 6, 1990
4878399 Planetary sub-transmission Nov. 7, 1989
4876919 Power transfer device for four-wheel drive Oct. 31, 1989
4862988 Four wheel drive working vehicle Sep. 5, 1989
4805485 Power transfer device for four-wheel drive vehicles Feb. 21, 1989
4804061 Power transmission for four wheel drive vehicle Feb. 14, 1989
4788888 Two-and-four-wheel drive shifting system Dec. 6, 1988
4787491 Selecting device of a power transmission system for a four-wheel drive vehicle Nov. 29, 1988
4744435 Motor vehicle having all-wheel drive May. 17, 1988
4722414 Shifting arrangement for two clutches for the shifting between a single-axle standard drive and a two-axle all-wheel drive for a motor vehicle having two drivable vehicle axles Feb. 2, 1988
4712448 Drive mechanism for motor vehicles having two drive axles Dec. 15, 1987
4699237 Four-wheel drive system for motor vehicles Oct. 13, 1987
4690015 Power transfer device for automotive vehicles Sep. 1, 1987
4677873 Transfer case with inter-axle dual-planetary differential Jul. 7, 1987
4644822 Transfer case for vehicle drivetrains Feb. 24, 1987
4631978 Device for the distribution of motive power Dec. 30, 1986
4601217 Power dividing differential Jul. 22, 1986

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