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Class Information
Number: 180/233
Name: Motor vehicles > Having four wheels driven
Description: Vehicle provided with four wheels and means for driving each of the wheels.


Sub-classes under this class:

Class Number Class Name Patents
180/251 Including longitudinally extending, endless element for transmitting drive to wheels 35
180/242 Including pump and fluid motor, or generator and electric motor, for driving one or more wheels 204
180/245 Including separate mechanical assemblies for transmitting drive to each of two wheels at one end of vehicle 57
180/248 With differential means for driving two wheel sets at dissimilar speeds 480
180/247 With manually operated means for disengaging drive to one or more, but fewer than all, of the four wheels 488
180/244 With means for braking either (1) one or more driven wheels or (2) structure transmitting drive to wheel 116
180/234 With means for steering all driven wheels 61


Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
4484653 Automatic driving wheel change-over apparatus Nov. 27, 1984
4484765 Suspension system for wheeled vehicles Nov. 27, 1984
4481877 Automatic transmission for four wheel drive automotive vehicles Nov. 13, 1984
4469191 Chassis with swivel-mounted wheel axles, especially for mobile cranes Sep. 4, 1984
4458557 Four-wheel drive transfer apparatus for automobile's automatic transmission Jul. 10, 1984
4449604 Four-wheel drive system for automotive vehicle May. 22, 1984
4445588 Guidable bogie truck for mobile cranes May. 1, 1984
4431079 Four-wheel vehicle drive system Feb. 14, 1984
4417641 System for controlling two-wheel and four-wheel drives Nov. 29, 1983
4403671 Front axle bearing block Sep. 13, 1983
4337840 Driving device for automobiles, in particular all-terrain vehicles Jul. 6, 1982
4332304 Transfer case conversion kit Jun. 1, 1982
4313518 Frame, power train and wheel assembly Feb. 2, 1982
4301886 Front wheel drive Nov. 24, 1981
4296649 Hydraulically operated transmission control Oct. 27, 1981
4289213 Angular output transfer case Sep. 15, 1981
4286686 Multi-plate friction clutch Sep. 1, 1981
4282945 Suspension modifying device for leaf spring suspensions Aug. 11, 1981
4282945 Suspension modifying device for leaf spring suspensions Aug. 11, 1981
4258818 Four-wheel drive tractor Mar. 31, 1981
4213512 Power shaft support bearing Jul. 22, 1980
4181315 Articulated agricultural tractors with two engines in tandem and a high capacity fuel tank Jan. 1, 1980
4173352 Combination articulated tractor and tow car Nov. 6, 1979
4170273 Transmission apparatus for four-wheel drive motor vehicle Oct. 9, 1979
4165793 Pivotal support for vehicle drive line having three universal joints Aug. 28, 1979
4149607 Support link adjustment means Apr. 17, 1979
4140030 Power transmission Feb. 20, 1979
4140191 Storage of wheeled vehicles Feb. 20, 1979
4103753 Manually shiftable planetary gearset Aug. 1, 1978
4084654 Partially fluid lacked vehicle drive train Apr. 18, 1978
4083419 Automatic four-wheel drive transfer case Apr. 11, 1978
4081050 Front engine tractor having transverse midship mounted heat exchanger Mar. 28, 1978
4069887 Steerable drive shaft Jan. 24, 1978
4067410 Load transporting vehicles Jan. 10, 1978
4058027 Control couplings Nov. 15, 1977
4057120 Front wheel drive and suspension arrangement Nov. 8, 1977
4054065 Multiple axle drive mechanism Oct. 18, 1977
4047601 Automatic four-wheel drive transfer case Sep. 13, 1977
4039038 Vehicle transfer case stabilizer bar Aug. 2, 1977
4037429 Adapter unit for converting a two-wheel drive vehicle to a four-wheel drive vehicle Jul. 26, 1977
4018317 Spin proof tandem axle drive mechanism Apr. 19, 1977
3988951 Four wheel drive transmission Nov. 2, 1976
3980151 Front wheel drive assembly for four-wheel drive tractor Sep. 14, 1976
3968704 Power transfer mechanism Jul. 13, 1976
3963086 Twin-engine overhung scraper having a leading arm suspension Jun. 15, 1976
3939936 Dual converter transmission arrangement Feb. 24, 1976

1 2 3 4 5 6 7 8


 
 
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