Class 180/9.25 - Rider straddles vehicle (e.g., motorcycle)

Subclass of Class 180 - Motor vehicles
Definition: Motor vehicle wherein the attendant rides the vehicle with
No. of patents: 31
Last issue date: 11/15/2011

Number	Title	Issue Date
8056656	Anti-torque system for a traction assembly This invention relates to a traction assembly for a vehicle which uses an endless traction band and a plurality of wheels for propulsion. More particularly, the traction assembly comprises a sprocket wheel which has a different size and number of sprocket teeth depe...	11/15/2011
7357201	Kit for converting vehicle to tracked driven snow vehicle The invention is a conversion kit for converting a conventional two-wheeled vehicle, such as a bicycle or motorcycle, into a tracked vehicle for use on snow, mud and sand. The kit converts the vehicle without major modifications to the vehicle, and the vehicle may b...	04/15/2008
7281598	Snowmobile To apply special contrivances to the structure and layout of a reserve oil tank disposed on the front side of a dry sump type internal combustion engine mounted on a snowmobile, thereby to achieve effective utilization of space in the snowmobile, and to achieve a fu...	10/16/2007
7249647	Snowmobile steering and suspension for improved performance in turns A snowmobile steering mechanism adapted to place higher pressure on the outside ski than on the inside ski when the snowmobile enters and exits turns, said steering mechanism being adapted to include the suspension in the steering action of the snowmobile causing th...	07/31/2007
7083024	Three-point engine mount An engine mount system for connecting an engine to a chassis, includes a mounting plate and first, second and third engine mounts. The first engine mount secures a first engine side to a first side of the chassis. The second and third engine mounts secure the mounti...	08/01/2006
7080704	Heat exchanger system The invention provides an apparatus and method for providing a heat exchanger for vehicles that have liquid cooled engines. The heat exchanger is positioned within the vehicle so as to accept airflow moving across the vehicle when the vehicle is in motion. The heat ...	07/25/2006
7044245	Toroidal propulsion and steering system An apparatus comprises a body having a torus skin with inner and outer layers, and a drive system configured to propel the apparatus by moving the inner layer relative to the outer layer. The active skin propulsion system allows movement and steering of a device. A ...	05/16/2006
6926107	Frame assembly for snowmobile A snowmobile has a frame assembly. The frame assembly has a front portion and a rear portion. The front portion has a frame member that extends over an engine compartment such that an engine would be disposed generally below the frame member. The frame member is pri...	08/09/2005
6631778	Shock linkage assembly for a snowmobile suspension system The present invention provides a snowmobile suspension system comprising a slide frame for engagement with an endless track, a suspension arm, a bracket arm, and a rocker arm. The suspension arm has an upper portion adapted to be pivotally mounted relativ...	10/14/2003
6561297	Snowmobile four-cycle engine arrangement A snowmobile four-cycle engine arrangement, includes: a four-cycle engine arranged in an engine compartment formed in the front body of a snowmobile with its crankshaft laid substantially parallel to the body width and having a cylinder case inclined forw...	05/13/2003
6431301	Snow vehicle conversion kit A conversion kit with track and ski steering assemblies to convert a two-wheeled land vehicle such as a motorcycle or bicycle to a vehicle suitable for over-snow travel. A ski assembly mounts to the steering fork of the land vehicle in place of the front ...	08/13/2002
6234263	Recreational vehicle A single seater snowmobile type recreational vehicle and a steering assembly for such as vehicle is described herein. The recreational vehicle includes a longitudinal frame, a suspension mounted to a rear portion of the frame, an endless track rotatably m...	05/22/2001
6006847	Endless track structure for light wheeled vehicle An endless track structure to replace the wheels of an all-terrain vehicle, that is adequately attached to the existing wheel hub by a removable mounting shaft. This provides a non-rigid frame that supports spaced apart synchronized driving cog wheels. Th...	12/28/1999
5673766	Transmission and steering apparatus for a tracked vehicle A tracked vehicle including a frame. A front track is rotatably attached to front track mounting member(s) connected to the frame with suspension member(s) so as to be movable in a vertical direction in relation to the frame. A vertically extending tubula...	10/07/1997
5660245	Snowmobile A snowmobile construction wherein the components are laid out so as to improve the center of gravity of the snowmobile and position the major components so that they will exert a large portion of their weight on the drive belt. The snowmobile includes a b...	08/26/1997
5586614	Snow vehicle A slide rail structure for a snow vehicle includes a main slide rail disposed at the middle of a crawler belt with respect to the width of the crawler belt. A pair of side slide rails are disposed near the opposite side ends, respectively, of the crawler ...	12/24/1996
5474146	Snow vehicle A snow vehicle of the saddle-riding type utilizes essentially the same upper structure as a motorcycle but mounts a ski on the front fork for steering and an engine-driven endless belt track assembly for powering the device. The endless belt track assembl...	12/12/1995
5265692	Snowmobile suspension In a snowmobile track suspension, the slide frame is supported upon downwardly and rearwardly angled front and rear suspension arm assemblies. The suspension arm assemblies are of similar construction, length, and orientation, having upper ends connected ...	11/30/1993
5228528	Track for tracked motorcycle The invention relates to a track specially designed for vehicles such as motorcycles and bicycles. This track, which is transversely curved, allows the vehicle to move when in an upright position or when tilted sideways. Its main characteristics are that ...	07/20/1993
4981188	All terrain off road vehicle An all weather, all terrain, amphibious tracked vehicle for riding and operation by one or a small number of persons. The vehicle includes a main frame structure made of strong but light weight plastic or metal and having the general shape of an elongated...	01/01/1991
4865142	Load carry caterpillar and front wheel driven steerable vehicle A load-carrying vehicle is disclosed which has a chassis over which a load-carrying bucket or platform is fixed and which is, itself, mounted on a track drive. A motor assembly is mounted at the front of the chassis and the latter further has a bridge str...	09/12/1989
4823903	Motorized snow vehicle Motorized snow vehicle composed of a front steering assembly and a rear support assembly including a support chassis and a motor activating a tread, the front steering assembly having a steering column adapted to pivot on the chassis and which carries at ...	04/25/1989
4790546	Toy tracked vehicle A toy in the form of a tracked vehicle containing a pair of tracks which turn in a manner which simulates a full-sized tracked vehicle, the vehicle having a supporting frame, a tricycle device mounted on the frame, the tricycle device having a pedal actua...	12/13/1988
4706769	Conversion unit for all terrain vehicles There is disclosed a conversion unit for attachment to an all terrain vehicle to convert it into a track laying vehicle. A subframe is attached to the rear of the track laying vehicle, and two idler wheels are mounted on the subframe. Spring strut means e...	11/17/1987
4699229	Endless articulated steel band vehicle for off-road services An off-road vehicle is equipped with an endless articulated steel band drive system including a drive wheel, a plurality of idle wheels and an endless belt extending around the drive wheel and the idle wheel. A back slider plate extends along the inner su...	10/13/1987
4618015	Rear swing arm assembly for three or four wheeled off-the-road vehicle track conversion unit A triangular shaped light weight metal plate is pin connected at a front apex end to the rear of the chassis of a three or four wheeled off-the-road, vehicle intermediate of the vehicle rear wheels, for pivoting about a horizontal axis. The widened rear b...	10/21/1986
4613006	Endless belt driven cycle A ground support vehicle has a rear drive track. Cleats extending transversely of the outer surface of the track are outwardly curved to facilitate leaning of the vehicle and its rider as the vehicle travels around a curve. In a preferred embodiment the v...	09/23/1986
4442913	Snow vehicle An improved lightweight snow vehicle that embodies an improved suspension that permits ease of riding of the vehicle while maintaining good control and handling. The drive belt is supported so that the vehicle has a longer effective length than prior art ...	04/17/1984
4437534	Snow vehicle An improved lightweight snow vehicle that embodies an improved suspension that permits ease of riding of the vehicle while maintaining good control and handling. The drive belt is supported so that the vehicle has a longer effective length than prior art ...	03/20/1984
4082155	Wheeled undercarriage for snowmobiles A four wheeled undercarriage is mounted to a snowmobile body having a tunnel from which the endless track drive assembly has been removed. The ski-mounting brackets of the snowmobile support the front end of the snowmobile body on a front axle bolster and...	04/04/1978
3931983	Snow cycle A tricycle for use in snow wherein the front wheel is replaced by a ski and the rear wheels are replaced by rotatable cylindrical drums having outwardly extending cleats....	01/13/1976

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Class 180/9.25 - Rider straddles vehicle (e.g., motorcycle)