Bizarre Patents
A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 8151923 | Suspension architecture for a snowmobile A rear suspension architecture is provided for coupled rear suspension systems. ... | 04/10/2012 |
| 8016064 | Snowmobile assembly Embodiments of the present invention relate to an improved snowmobile assembly yielding increased energy absorption in its suspension, improved handling, optimized engine positioning and lower center of gravity. In one embodiment, a rear snowmobile suspension compri... | 09/13/2011 |
| 7975794 | Suspension for tracked vehicles A suspension system for a tracked vehicle providing a wide range of performance characteristics via a user-adjustable overload spring assembly which engages a rear suspension element. An optimum spring force can depend on the both operator characteristics and local ... | 07/12/2011 |
| 7918299 | Rear suspension of snow vehicle A rear suspension of a snow vehicle is provided with a slide rail which guides a track belt. The slide rail is made of metal and formed by extrusion. A bent portion is provided on an end of the slide rail to extend to a tip end thereof with a position toward the end... | 04/05/2011 |
| 7891454 | Snowmobile frame assembly A snowmobile rear suspension is shown comprised of a linear force element (LFE) positioned outside the envelope of the snowmobile endless track. The snowmobile frame includes a chassis mounted to a tunnel, where the chassis includes a central mounting bracket. The L... | 02/22/2011 |
| 7870920 | Snowmobile The present invention generally relates to snowmobiles. More particularly, the present invention relates to the components of a snowmobile such as the frame, skis, motor, and endless belt assembly. ... | 01/18/2011 |
| 7854285 | Suspension architecture for a snowmobile The present invention relates to rear suspension systems for snowmobiles have endless belt assemblies. Specifically, the present invention relates to rear suspension architecture for coupled rear suspension systems for snowmobiles and belt tensioning assemblies.... | 12/21/2010 |
| 7533750 | Suspension for tracked vehicles A suspension for a tracked vehicle providing a wide range of performance characteristics via a user-adjustable spring system within a rear suspension portion. An optimum spring force can depend on the both operator characteristics and local operating conditions. A u... | 05/19/2009 |
| 7395890 | Snowmobile track suspension A rear track suspension for a snowmobile having a single resilient element for biasing both the front and rear arms. The slide rail is permitted to pitch between first and second pitching constraints in response to terrain obstacles in a gradual manner as the motion... | 07/08/2008 |
| 7360618 | Snowmobile track suspension A snowmobile track suspension is disclosed. The track suspension includes a chassis, a skid frame, a front arm, an idler arm, and a rear arm. The chassis includes a tunnel. The skid frame includes rails along which the track rides. The front arm has a forward end pi... | 04/22/2008 |
| 7360617 | Snowmobile with reinforced frame structure for improved engine support A snowmobile comprises a left-right pair of skis, an engine and a track belt provided on a vehicle body. The track belt is driven by the engine, and the skis are steered by an operation on a steering handlebar. The vehicle body frame is formed by connecting intermed... | 04/22/2008 |
| 7353898 | Integrated heat exchanger and engine mount for a snowmobile An integrated heat exchanger and engine mount for a snowmobile that reinforces the snowmobile chassis is disclosed. The heat exchanger is formed with an internal passage through which a vehicle fluid may be circulated and cooled. The heat exchanger is also formed wi... | 04/08/2008 |
| 7322435 | Snowmobile suspension system To enable a rider to control in real time the type of ride he desires, a snowmobile is equipped with a suspension system that includes at least one fluid actuated device which can be adjusted in real time to control the relative distance between the body of the snow... | 01/29/2008 |
| 7318494 | Snow vehicle suspension system A vehicle comprises a frame and a slide rail disposed below the frame for guiding a drive track along a road surface. An arm has a first portion pivotally coupled to the frame at a frame pivot location and a second portion pivotally coupled to the slide rail at a ra... | 01/15/2008 |
| 7314225 | System for providing gyroscopic stabilization to a two-wheeled vehicle This invention provides a stabilizing system and method for two-wheeled vehicles (typically small, human-powered bicycles) that affords the rider no restriction on the full range of movements (banks, leans, etc.) common to bicycles, but that provides greater stabili... | 01/01/2008 |
| 7287761 | Method and an assembly for selectively adjusting the height and load capacity of a motorized assembly and a motorized assembly incorporating the method A motorized assembly 10 having a handlebar control switch assembly 56 which allows the height and load carrying capacity of the motorized assembly 10 to be quickly and easily modified without requiring a user 11 to remove their hands from... | 10/30/2007 |
| 7278506 | Snow vehicle suspension system A vehicle comprises a frame and a slide rail pivotally coupled to the frame. A spring member urges the slide rail in a direction away from the frame. The spring member has a first portion mounted to the frame and a second portion supported on the slide rail at a fir... | 10/09/2007 |
| 7275751 | Wear bar for snow machine ski A wear bar assembly is disclosed for aiding in the steering of a snow machine. The assembly may include a wear bar for attachment to a bottom of a snow machine ski and one or more hardened inserts, each insert extending outward from the bottom of the wear bar. The o... | 10/02/2007 |
| 7267414 | Suspension system, positive drive belt system and belt tensioning device for wheel and belt driven devices A track driven device having a suspension system, positive hydraulic braking system, positive drive belt system and belt tensioning system for an improved ride, reducing belt wear and belt failure. ... | 09/11/2007 |
| 7237631 | Vertical idler adjuster for track type work machine A work machine, and a work machine idler mounting assembly is provided, including a frame, a mounting member proximate an end of the frame, an idler support block adjacent the mounting member. At least one removeable spacer is positionable between the idler support ... | 07/03/2007 |
| 7229141 | Manoeuvrable traction track A one-piece track comprising, along each opposite edge thereof, regions having an accordion-type structure, which allows these regions to have a variable longitudinal length along each opposite edge of the track according to a movement of the tracked vehicle and to ... | 06/12/2007 |
| 7226136 | Snowmobile slide A slide rail assembly adapted for engaging a drive track of a snowmobile. The slide rail assembly comprises a rail adapted for engagement with a rear suspension system of the snowmobile, and aligned forward and rear slide portions disposed on a lower surface of the ... | 06/05/2007 |
| 7195487 | Two-wheeled vehicles and control systems and methods therefor A two-wheeled vehicle motion simulation arrangement comprising a platform; a simulated two-wheeled vehicle; an arrangement for retaining the simulated two-wheeled vehicle relative to the platform with a roll axis; and a control system for imparting motion to the pla... | 03/27/2007 |
| 7182165 | Snow cycle A snow cycle includes a conventional motorcycle chassis having a set of steerable front forks and a rear swing arm, which normally mount front and rear wheels of the cycle, respectively. A snow track module is mounted to the rear swing arm and has an endless track d... | 02/27/2007 |
| 7128180 | Snowmobile rear suspension system A rear suspension system for a snowmobile includes a plurality of adjacent closed-loop tracks disposed in a rear tunnel of the snowmobile. Each of the plurality of adjacent closed-loop tracks are rotatably driven by a drive system. One of a plurality of independent ... | 10/31/2006 |
| 7104353 | Snowmobile drivetrain Methods and apparatus for propelling snowmobiles are disclosed. A snowmobile in accordance with an exemplary embodiment of the present invention comprises a chassis defining a tunnel, a drive shaft at least partially disposed in the tunnel, and at least one drive sp... | 09/12/2006 |
| 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 |
| 7083241 | Track tensioner for a wheel-driven skid steer A track tensioner for a drive track of a work machine includes biasing element configured to urge an idler wheel into contact with the drive track. The biasing element may include an air spring. ... | 08/01/2006 |
| 7070012 | Snowmobile suspension An improved rear suspension assembly is provided for snowmobiles, which includes a link assembly operatively connecting the rear suspension arm to a front cushion absorber so that the pivot movement of the rear suspension arm actuates the front shock absorber assemb... | 07/04/2006 |
| 7051828 | Wheel mechanism for ski-equipped vehicles A wheel mechanism is adapted to move between a stored condition and a use condition on a snowmobile. The wheel mechanism is located adjacent to the front end of the vehicle so the ski runner elements on the front end of the vehicle can be lifted off the terrain when... | 05/30/2006 |
| 7040438 | Snow vehicle suspension system A vehicle comprises a frame, a slide rail, and front and rear arms pivotally coupled to the frame and the slide rail. Front and rear shock absorbers are interposed between the slide rail and the frame. A linkage system is coupled with the slide rail, the front arm, ... | 05/09/2006 |
| 7040426 | Suspension for a tracked vehicle The present invention relates generally to recreational vehicles. More particularly, the present invention relates to methods and apparatus for traversing challenging terrain with a recreational vehicle. A vehicle in accordance with an exemplary embodiment of the pr... | 05/09/2006 |
| 7018005 | Vehicle track providing enhanced steerability A vehicle track includes an endless belt. A plurality of laterally-elongated propulsive lugs and longitudinally-elongated turning lugs extend outwardly from an outer side of the endless belt. The propulsive lugs provide substantially longitudinally facing surfaces t... | 03/28/2006 |
| 7011173 | Rear fairing for a snowmobile A snowmobile is described having a frame, at least one steerable ski disposed at a forward end of the frame, and an endless drive track disposed beneath a rearward end of the frame to propel the frame. A seat is mounted on the frame, which may accommodate at least o... | 03/14/2006 |
| 7007447 | Actuator device with a multi-chamber housing An actuator device self-contained within a housing and adapted to move an object. The actuator device includes a movable piston positioned in a cylinder portion of the housing. The cylinder portion defines a longitudinal axis, whereby the piston is movable along the... | 03/07/2006 |
| 6991057 | Snowmobile suspension system A snowmobile includes a quadrilateral linkage system formed between a vehicle body frame, a front torque arm assembly, a rear torque arm assembly, and an extendable member. The four-node linkage is coupled with at least one slide rail to provide for the vertical dis... | 01/31/2006 |
| 6976689 | Linked suspension system for a vehicle A suspension system for a vehicle, having at least first and second shock absorbers. The first shock absorber has a first main piston, and the second shock absorber has a second main piston. The shock absorbers are motively linked such that when the first main pisto... | 12/20/2005 |
| 6976550 | Front suspension for recreational vehicle A front suspension system for a recreational vehicle such as a snowmobile has a lower A-arm assembly and an upper suspension arm for connecting each front ski to the chassis of the recreational vehicle. The lower A-arm restrains the front ski from moving backward or... | 12/20/2005 |
| 6971466 | Torque compensating rear undercarriage for track driven vehicles This torque compensating track drive is designed to provide track drive vehicles with an undercarriage that distributes the weight of the vehicle over the greatest possible area and also ensures that as much of the drive track is in contact with the surface as possi... | 12/06/2005 |
| 6942050 | Snowmobile front suspension system and method The snowmobile having a longitudinal axis, a chassis, a pair of skis each having a steering spindle, and a suspension system. The suspension system comprises, for each ski, a first control arm pivotally mounted to the chassis for pivotal movement about a first pivot... | 09/13/2005 |
