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| Number | Title | Issue Date |
| 8100425 | Bicycle having independent rear wheel steering A wheeled vehicle, which may be a bicycle, having independent front and rear wheel steering, and rear wheel propulsion from a pedal assembly. The rear wheel is pivotally mounted to enable steering. The rear sprocket transmits torque to a jointed drive shaft which dr... | 01/24/2012 |
| 7731213 | Bicycle attachment A bicycle attachment comprises a pair of spaced rotatable wheels for engaging with a support surface, a connecting portion extending between and secured to the wheels, and a securing portion hinged relative to the connecting portion such that the securing portion is... | 06/08/2010 |
| 7350870 | Integrated compensator module An integrated compensator module that protects cable and conduit assemblies from excessive loading. Also, a primary cable and conduit assembly that transfers motion to a plurality of secondary cable and conduit assemblies. The conduit portions of the secondary cable... | 04/01/2008 |
| 7287621 | Vehicular power transmission mechanism In a three-wheeled vehicle provided with a power transmission mechanism for transmitting the output of an engine to left and right rear wheels via a continuously variable transmission, a gear box and inner shafts of drive shafts as left and right output shafts, the ... | 10/30/2007 |
| 7252300 | Manual brake for a wheelchair with a variable braking force Manual braking system with a variable braking force for a wheelchair. Caliper type brakes positioned to mount on and exert braking force on disks mounted to interior “disk” hubs rotatably mounted to the wheelchair frame wheel hubs are mated with the “disk” h... | 08/07/2007 |
| 7204333 | Suspension arrangement structure for vehicle A differential mechanism is arranged below an infinitely variable transmission and a reduction gear mechanism. Front fitting parts and rear fitting parts for fitting suspension arms to a vehicle frame are arranged to the front and rear of the deferential mechanism. ... | 04/17/2007 |
| 7172045 | Motortricycle with oscillation mechanism A motortricycle with oscillation mechanism including left and right suspension arms respectively swingably mounted onto a vehicle body frame, rear wheels mounted respectively onto the outer portions of the left and right suspension arms. An oscillation mechanism per... | 02/06/2007 |
| 7121567 | Bicycle having front and rear rotative wheel frames with actuatable means for engaging and disengaging the rear wheel frame rotation A bicycle having a frame with pivotal front and rear wheels with means for engaging and disengaging said pivotal movement on one of the wheels by moving a pivotal strut to engage the rear wheel frame thereby preventing movement of the wheel frame. Moving the actuato... | 10/17/2006 |
| 7063179 | Tricycle with a rocking mechanism A tricycle with independently-suspended rear wheels and having a rocking mechanism and a single shock absorber used to effect the damping action of both the left and the right suspension arms connected to the rear wheels. The left and right suspension arms are conne... | 06/20/2006 |
| 7044491 | Tricycle A tricycle, including at least one frame, at least one front wheel, which is disposed in the front region of the frame, when viewed with respect to the preferred travel direction of the tricycle, and is steerable via a steering handle, and at least two rear wheels w... | 05/16/2006 |
| 7044252 | System for connecting the front and back wheel of two-wheeled vehicles and vehicle obtained with said method A method of interconnecting the front and rear wheels in two-wheeled vehicles and a vehicle produced in accordance with the method is characterized in that, in order to prevent opposing couples being generated in the respective wheels and acting on the steering colu... | 05/16/2006 |
| 7025366 | Two wheel steering bicycle with each wheel having its own steering control operated by rider's left and right hand respectively and rider positioned facing the direction of motion A two wheel steering bicycle with two steering controls and rider positioned facing forward. A top tube member connects the rear head tube to the front head tube. The rear wheel attaches to the rear fork extending upwards. The rear fork steerer column passes through... | 04/11/2006 |
| 7017931 | Transportation apparatus A personal transportation apparatus for a user, including a frame; front and rear wheels connected to the frame and being rotatable about respective front and rear axes, driving mechanism for driving at least one wheel of the apparatus, the driving mechanism being p... | 03/28/2006 |
| 6953203 | Human powered vehicle A stable vehicle that can be folded or disassembled, for example for transportation by another vehicle or for storage, without requiring the use of hand tools. Two front wheels carried by steerable forks, in combination with an underslung main frame, provide a stabl... | 10/11/2005 |
| 6902177 | Mobility assistance vehicle A human-powered vehicle comprising a structural frame, two front wheels mounted to a forward portion of the frame for rotation, a seat secured to the frame, the seat positioned between the front wheels and adapted to pivot about a seat pivot axis, and a steerable re... | 06/07/2005 |
| 6763905 | Vehicles having two front rolling and steering wheels and at least a rear driving wheel A motor-vehicle has at least a rear driving wheel and two front rolling and steering wheels connected to each other by a linkage mechanism that is provided with a suspension system that comprises at least a pair of shock-absorbing struts and rocking levers associate... | 07/20/2004 |
| 6709013 | Land vehicle with lever steering There is disclosed lever steering apparatus for a land vehicle with steerable and independently suspended front wheels having left and right steering levers at the driver position. The left and right steering levers are coupled by lever mechanisms and an elongated r... | 03/23/2004 |
| 6663122 | Stroller frame A stroller frame has a steering device, two front wheel support rods, and two front wheels. The steering device is disposed on the front wheel support rods. The steering device has a positioning device, a front base seat, a shock absorbing device, and a p... | 12/16/2003 |
| 6557873 | Replacement front wheel assembly for a roller board A replacement front wheel assembly (2) for a rollerboard having a footboard (48) provided in the rear end portion thereof with at least one wheel and in the front end portion thereof with a steering head bearing (4) for connection of a front wheel assembl... | 05/06/2003 |
| 6542261 | Method and apparatus for sending or receiving a secure fax A method and apparatus which sends an encrypted FAX document to a receiving party. The encrypted FAX is printed out by a receiving FAX with an unencrypted heading, indicating who the intended recipient of the received encrypted FAX is, and a body of the F... | 04/01/2003 |
| 6402174 | Recumbent tricycle with controlled wheel and body lean Three-wheeled vehicle with an adjustable leaning and steering mechanism, permitting operator-controlled wheel and body lean as the vehicle is making a turn. The vehicle (100) has a leaning main frame (20) that carries the pedals (21) and crank assembly (2... | 06/11/2002 |
| 6102420 | Walking cycle with steerable front and rear wheel A riding apparatus includes a frame; a front wheel assembly, being rotatably mounted to the frame and having a substantially vertical front rotation axis; a rear wheel assembly, being rotatably mounted to the frame and having a substantially vertical rear... | 08/15/2000 |
| 5544906 | Human powered recumbent vehicle An improved human powered recumbent vehicle is provided. The vehicle includes a frame that comprises a central keel. The keel comprises four tubes that are spaced equidistant from a central longitudinal axis. Outrigger arms are disposed approximately half... | 08/13/1996 |
| 5236060 | Three-wheel vehicle and conversion kit The invention is a conversion kit for converting a two-wheeled motorcycle into a three-wheeled motorcycle providing for increasing both the lateral and longitudinal stability of a conventional motorcycle while maintaining the conventional positioning of t... | 08/17/1993 |
| 5209506 | Vehicle with combined propulsion and steering mechanism The rider powered vehicle has two steerable front wheels, each with a turning arm, and a single rear drive wheel. Power transmission means is provided between the rear wheel and a single push-pull and steerable handlebar mounted in a column assembly suppo... | 05/11/1993 |
| 4903857 | Leaning vehicle with centrifugal force compensation A three wheeled vehicle, with two steerable front wheels and a driven rear wheel which may be either rider- or motor-powdered, includes steering/coupling linkage disposed adjacent to the lower end of a steering column having a handlebar attached to its up... | 02/27/1990 |
| 4828284 | Treadle cycle A multi-wheeled vehicle powered via a twin treadle-acting drive train. An upright front steering assembly including a pair of tie rod coupled front wheels and steering bar-mounted gear shift and hand brake assemblies facilitate operator control of a chain... | 05/09/1989 |
| 4787470 | Three wheel vehicle An improved powered off the road three wheel vehicle comprised of a pair of front wheels and a single rear wheel carried by a frame that supports the saddle type seat adapted to seat a single rider. The track of the front wheels is equal to the wheel base... | 11/29/1988 |
| 4740004 | Three wheeled cycle with load carrying basket A tricycle having two front steering wheels and a rear drive wheel has a frame for accommodating the rear wheel and a mount pivotally connected to the front of the frame carrying a pair of front steering wheels. Handle bars are connected with a tie-rod as... | 04/26/1988 |
| 4717164 | Road vehicle including banking, steering, braking and other controls A road vehicle, particlarly a human-powered type, comprises a rotatable chassis section rotatable with respect to a fixed chassis section, a steering mechanism and a banking mechanism controlled by the steering mechanism for automatically rotating the rot... | 01/05/1988 |
| 4699234 | Four-wheel drive vehicle A four-wheel drive vehicle having straddle-type seating. A power train is located beneath the seat and between the footpegs of the vehicle, the engine employs parallel output shafts located on either side of the crankshaft to drive power transmission mean... | 10/13/1987 |
| 4674762 | Four-wheel, reclining position cycle A four-wheel human powered vehicle including a frame for supporting the operator of the cycle in a substantially recumbent position, rear wheels mounted on the sides of the frame, two arms mounted on the frame and extending forwardly and outwardly therefr... | 06/23/1987 |
| 4667765 | Frame for a four-wheel vehicle A four-wheel vehicle having an upper frame, a lower frame and a pipe frame connecting the upper and lower frames at the forward end of the vehicle. A steering shaft extends from a steering handle through the pipe frame to steering linkages for controlling... | 05/26/1987 |
| 4650203 | Steering apparatus for a saddle riding type motorcar having four wheels A steering apparatus for a four-wheel motorcar of the saddle-ride type having two front wheels and two rear wheels, each wheel being fitted with a balloon tire, a front axle steerably supporting the front wheels, a car body connected together in an integr... | 03/17/1987 |
| 4634137 | Tricycle and drive therefor A pedal drive for a tricycle having a single driven rear wheel and two steerable front wheels. There are a pair of matched, laterally spaced sprockets mounted on a transverse shaft and a pair of matched, laterally sprockets rotatably mounted forwardly of ... | 01/06/1987 |
| 4620715 | Steering apparatus for vehicle In a vehicle in which a front swing frame is suspended vertically swingably from the front of a body frame and in which right and left side front wheels are journaled to both right and left sides of the swing frame in a steerable manner, a steering appara... | 11/04/1986 |
| 4588200 | Braking arrangement for wheeled vehicle A four wheel off the road vehicle having a pair of dirigibly supported front wheels each carrying a respective brake. The front wheels are steered by a centrally journaled steering shaft that carries a handlebar at its upper end with a brake actuator. A b... | 05/13/1986 |
| 4526392 | Recumbent velocipede A rear steered vehicle with improved handling and stability described by having a single front driven wheel and a pair of steered rear wheels. Cornering ability is improved while maintaining a narrow overall width by allowing the rider, front wheel, and f... | 07/02/1985 |
| 4497502 | Recumbent tricycle A recumbent tricycle including a frame, twin rear wheels pivotally mounted to the frame and steerable by a pair of levers pivotally mounted to the frame on either side of a passenger seat. The rear wheels are oriented substantially vertically and are atta... | 02/05/1985 |
| 4469344 | Tiltable three-wheeled vehicle A three-wheeled vehicle in which the frame of a two-wheeled vehicle is pivotally interconnected with an assembly comprising two laterally positioned, steerable front wheels. In addition to causing the front wheels to turn, the rotational movement of the s... | 09/04/1984 |