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Class Information
Number: 180/209
Name: Motor vehicles > Special wheel base > With means for changing number of supporting wheels, or for adjusting relative location thereof
Description: Vehicle provided either with means whereby the number of wheels which engage the ground for supporting the vehicle may be decreased or increased, or with means whereby the position of at least one wheel relative to at least one other wheel may be changed.










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

Patent Number Title Of Patent Date Issued
8702108 Vehicle having a level compensation system Apr. 22, 2014
8668053 Ground conveyor Mar. 11, 2014
8640806 Transport means and a vehicle Feb. 4, 2014
8632086 Trailer slider locking system Jan. 21, 2014
8607902 Width variable structure of moving and transport means using mecanum wheels Dec. 17, 2013
8602153 Extendable frame work vehicle Dec. 10, 2013
8573338 Self-powered vehicle with selectable operational modes Nov. 5, 2013
8544586 Multifunction utility cart Oct. 1, 2013
8523202 Trailing axle suspension system Sep. 3, 2013
8523207 Device for attaching a suspension to a vehicle frame and related method Sep. 3, 2013
8496259 Slider box for a heavy-duty vehicle Jul. 30, 2013
8485538 Auxiliary axle suspension system Jul. 16, 2013
8469383 Midwheel drive wheelchair with independent front and rear suspension Jun. 25, 2013
8469131 Wheel drive vehicle and wheel contact sensing method of the same Jun. 25, 2013
8424888 Systems and methods for weight transfer in a vehicle Apr. 23, 2013
8398179 Extendible axle member for the rear of an agricultural harvester Mar. 19, 2013
8393429 Variable wheelbase motor grader Mar. 12, 2013
8387741 Drive train arrangement for a vehicle Mar. 5, 2013
8376077 Modular metamorphic vehicle Feb. 19, 2013
8376078 Agricultural application machine with variable width track Feb. 19, 2013
8365850 Self-powered vehicle with selectable operational modes Feb. 5, 2013
RE43943 Variable wheel base vehicle Jan. 29, 2013
8353377 Steering cylinder mounting arrangement used with a length-adjustable axle Jan. 15, 2013
8348001 Agricultural harvesting machine Jan. 8, 2013
8328236 Floor conveyor with wheel arms Dec. 11, 2012
8297634 Suspension system for an agricultural vehicle Oct. 30, 2012
8297876 Road building machine for milling road surfaces Oct. 30, 2012
8281883 Method and apparatus for transporting construction equipment in an enclosed container within the hold of a vessel Oct. 9, 2012
8272654 Locking pin mechanism for a transport semi-trailer Sep. 25, 2012
8240409 Self-propelled high-clearance vehicle Aug. 14, 2012
8215436 Hybrid trailer system Jul. 10, 2012
8205892 Method of automatically changing wheel toe angle Jun. 26, 2012
8205899 Extendible axle member for the rear of an agricultural harvester Jun. 26, 2012
8186747 Modular composite structural component and structures formed therewith May. 29, 2012
8177010 Device and method for carrying out wheelbase adjustment for utility vehicles May. 15, 2012
8177011 Easily removable forecab for a motorcycle May. 15, 2012
8172014 Wheeled vehicle May. 8, 2012
8128107 Passively steerable module axle Mar. 6, 2012
8113531 Personal mobility vehicle having a pivoting suspension with a torque activated release mechanism Feb. 14, 2012
8109525 Guiding wheel assembly, especially for a hospital bed Feb. 7, 2012
8112178 Robotic platform for autonomous automotive vehicle development Feb. 7, 2012
8108104 Tripped rollover mitigation and prevention systems and methods Jan. 31, 2012
8104561 Rear wheels mounting structure of motorized tricycle Jan. 31, 2012
8100213 Parking device for motor vehicles Jan. 24, 2012
8065800 Method of assembling a modular rear axle assembly of a motor vehicle Nov. 29, 2011
8028784 Trailer with sliding axle Oct. 4, 2011
8025302 Trailer slider locking system Sep. 27, 2011
8020658 Easy ejector seat with skeletal crash safety beam Sep. 20, 2011
8011680 Wheelchair suspension system Sep. 6, 2011
8002065 Tractor-trailer axle center height control method and apparatus Aug. 23, 2011

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