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| Number | Title | Issue Date |
| 8162339 | Multi-person tricycle Various embodiments of a multi-person tricycle are disclosed. In at least one embodiment, the multi-person tricycle includes two front drive wheel assemblies, each having an independent drive train assembly, and includes a rear wheel assembly operably connected to a... | 04/24/2012 |
| 8070174 | Multi-mode tandem bicycle A multi-mode tandem bicycle includes a frame, a steering wheel, a directional wheel, a first pedaling member, a second pedaling member, a first seat, a second seat, a first transmission unit, and a second transmission unit. By pivoting at least one of the first seat... | 12/06/2011 |
| 7354055 | Recumbent vehicle Disclosed is a recumbent bicycle having a frame with at least one tubular member having a lumen. Mounted to the frame are a rear wheel assembly and a transmission assembly. The transmission assembly can include a first gear, a second gear, and a chain that extends f... | 04/08/2008 |
| 7338059 | Bicycle drive unit A bicycle drive unit is disclosed that includes a case frame, crank shaft, front sprocket, rear hub shaft and rear sprocket. The crank shaft includes first and second support portions that are spaced apart from one another and are supported on opposite lateral sides... | 03/04/2008 |
| 7249779 | Convertible stroller/tricycle A vehicle for carrying a child that is pushed along by one walking, jogging, or running, steerable with handlebars, and convertible from a push stroller to a rideable, operator-powered tricycle. The stroller converts from a stroller pushable from a back end to a tri... | 07/31/2007 |
| 7241197 | Steering system for movable toy vehicles A wheeled vehicle for small children with a steering wheel on a long steering column that extends upward and backward to about waist level of a child walking behind the vehicle. The child propels and steers the vehicle by pushing on the steering wheel and turning th... | 07/10/2007 |
| 7229089 | Folding bicycle A foldable bicycle is provided. One feature of the foldable bicycle is that the central portion of the frame that defines the bicycle's geometry is substantially rigid. That is, the down tube, seat tube, top tube and bearing tube are substantially fixed relative to ... | 06/12/2007 |
| 7188852 | Bicycle with improved composite frame Disclosed herein are various embodiments, including but not limited to a bicycle that includes, among other features, an elongated down tube and a single elongated seat tube, the longitudinal axis of the seat tube intersecting the longitudinal axis of the down tube ... | 03/13/2007 |
| 7175192 | Foldable bicycle A foldable bicycle includes a frame. A first foldable device is connected to a top tube of the frame so as to fold a front wheel together with a head tube and a handlebar backward at the first foldable device such that the front and rear wheels are located parallel ... | 02/13/2007 |
| 7108097 | Power assisted recumbent bicycle and power unit An recumbent bicycle or tricycle, FIG. 1B, having an electric assist module mounted between the pedal mechanism and rear wheel gear mechanism. This mounting position allows the assist module to take advantage of the bicycle or tricycle's rear wheel gears to i... | 09/19/2006 |
| 7073996 | Two-piece crank hanger set for bicycles A two-piece crank hanger set including a left crank arm having a tubular crank spindle attached thereto and a right crank arm having at least one chain sprocket wheel attached thereto. The crank spindle extends through a bicycle crank tube. Bearing cups are removabl... | 07/11/2006 |
| 7048289 | Human-powered vehicle Apparatus and methods are disclosed for a human-powered vehicle. The vehicle can be a two-wheel, recumbent-style vehicle. The vehicle can be readily disassembled for ease of transport. ... | 05/23/2006 |
| 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 |
| 6926296 | Multi-person velocipede A multi-person velocipede is provided with a pair of interconnected frame members. A pair of rotatable forward wheels are rigidly coupled to the forward portion of the frames, and a pair of rotatable rearward wheels are pivotably coupled to the rearward portion of t... | 08/09/2005 |
| 6924021 | Complex-shaped carbon fiber structural member and its method of manufacture A complex-shaped carbon fiber structural member including a multiplicity of carbon epoxy fiber bundles surrounded by a unidirectional carbon fiber rope and its method of manufacture are provided. The fiber bundles are formed from large sheets of unidirectional carbo... | 08/02/2005 |
| 6811172 | Remote coupled steering linkage for a bicycle or tricycle A vehicle such as a bicycle or tricycle having a front steering assembly and a remote, rear steering assembly. The front steering assembly has a steering sleeve with a rotatable front shaft within the sleeve that is connected to the front wheel. The rear steering as... | 11/02/2004 |
| 6644677 | Ergonomic tandem bicycle A ergonomic tandem bicycle suitable for riders with some limited physical capabilities. The ergonomic tandem bicycle includes an elongated frame with an angled steering column attached to the front portion that positions the front wheel substantially in f... | 11/11/2003 |
| 6612597 | Tandem bicycle adapter A tandem adapter frame that attaches to the back of a single-rider bicycle, transforming the bicycle into a tandem bicycle. The rear wheel of the single-rider bicycle is removed from the bicycle and installed on the back end of the adapter frame. The adap... | 09/02/2003 |
| 6601862 | Tricycle and intermediate frame for tricycle Tricycle and intermediate frame for tricycle. The tricycle includes a rear axle, rear wheels coupled to free ends of the rear axle, a rear seat, and a rear frame coupled to the rear axle and to the rear seat. A front frame includes a fork tube, and the fr... | 08/05/2003 |
| 6561532 | Bicycle side car A bicycle sidecar includes a frame. A protective skin covers the frame. A wheel is connected to the frame. A connector system is used to attach the frame to a bicycle. A seat is and a grab bar are connected to the frame. A pedal assembly is mounted to the... | 05/13/2003 |
| 6554308 | Recumbent vehicle & apparatus for forming same A recumbent vehicle including parallel paired recumbent bicycles operatively and reversibly joined by a bracing assembly having less than four brace members, is provided. The parallel paired recumbent bicycles are easily separable, without the need for to... | 04/29/2003 |
| 6352131 | Bicycle's power train A unidirectional rotating assembly, a bicycle powering mechanism, and a bicycle using the same are disclosed. The unidirectional rotating assembly allows a chainring to rotate while the crank and axle remains still. The bicycling powering mechanism combin... | 03/05/2002 |
| 6328325 | Teamwork and strength training apparatus A wheeled vehicle having plural wheels referenced to a frame. The vehicle includes plural seats. Human power applied through handles and the seats converts and balances a first oscillatory motion along a first axis into rotational motion, while simultaneo... | 12/11/2001 |
| 6312001 | Motive vehicle A motive vehicle comprises a frame, a front wheel, two rear wheels, a seat, a handle, a headset, and a pedal device. A front sprocket is coupled to the pedal device and a rear sprocket is connected to a differential. The motive vehicle is powered by human... | 11/06/2001 |
| 6247714 | Recumbent cycle with improved suspension A recumbent cycling apparatus is provided that includes a frame structure, wheels rotatably attached to supporting the frame structure, and a central frame element configured to absorb and reduce the forces transmitted through the frame structure to a use... | 06/19/2001 |
| 6155582 | Bicycle coupling device A coupling device for coupling an adult bicycle to a child's bicycle. The coupling device includes a linking bar having a generally flattened "S"-shaped configuration such that the front wheel of the child's bicycle is in a spaced relationship relative to... | 12/05/2000 |
| 6142519 | Inflation assembly An assembly for supplying inflation fluid to an inflatable vehicle occupant restraint is provided which includes at least a first gas-supplying cartridge and a diffuser element having a base and a cap. The base forms at least first and second gas-supplyin... | 11/07/2000 |
| 6095539 | Three person bicycle A three-person bicycle (20) having two of the riding positions situated between a front wheel (22) and a rear wheel (26), and the third riding position situated behind the rear wheel (26). Bicycle (20) includes a front first seat (34), a middle second sea... | 08/01/2000 |
| 6022036 | Bicycle apparatus A recreational bicycle apparatus includes side-by-side, interconnected bicycles, each of which is independently geared so that each rider can pedal at a different pace. The steering systems of the bicycles are linked so that either driver can steer using ... | 02/08/2000 |
| 6012732 | Combination exercise and land travel device A combination exercise and land travel device includes a forwardly facing pedalling station from which a first operator propels the device and a steering control at the pedalling station. The device further includes a rowing station usable by a second ope... | 01/11/2000 |
| 5975551 | Folding frame bicycle A foldable bicycle designed so when the bicycle is folded, the front and rear frames bypass each other (non-overlapping) to permit a complete folding position and using a fold on or near the seat tube, and to maintain a rigid open riding position with sim... | 11/02/1999 |
| 5964472 | Independent pedaling system for tandem bicycles A drive system for a tandem bicycle (10) to allow a captain or a stoker to pedal independently of one another. A unidirectional bearing, e.g., a freewheel assembly (24) is incorporated in a captain crank assembly (20), a stoker crank assembly (100), or bo... | 10/12/1999 |
| 5860662 | Bicycle to tandem converter A coupler for coupling two standard bicycles together to form a tandem tricycle. The coupler includes a clamp for clamping the coupler to one of the tines of the seat stays of the leading bicycle and further includes a quick release clamp for releasably g... | 01/19/1999 |
| 5842710 | Coupling device for bicycles A coupling device for coupling a second bicycle to a first bicycle, both the bicycles having front and rear wheels mounted on corresponding axles, both the bicycles also having a bicycle frame, each of the bicycle frames including a seat post, a handle ba... | 12/01/1998 |
| 5836600 | Tandem bicycle with detachable and foldable rear bicycle frame A separable tandem bicycle includes a front bicycle frame, a rear bicycle frame, and a connecting member which interconnects a front seat tube of the front bicycle frame and a down tube of the rear bicycle frame. The connecting member is detachable from t... | 11/17/1998 |
| 5823554 | Folding, pedal-driven vehicle with universal joint transmission system A folding, pedal-driven vehicle having a universal joint transmission system is provided. A human-powered ground vehicle having a motive power input assembly that includes foot pedals to drive a front-wheel of the vehicle through a universal joint drive g... | 10/20/1998 |
| 5810379 | Freewheeling drivetrain for tandem bicycles A drive train for a tandem bicycle, in which the riders are positioned one behind the other, comprising a transverse intermediate shaft mounted on the bottom tube of a tandem bicycle between the two standard bottom brackets for the respective riders. Chai... | 09/22/1998 |
| 5743543 | Bicycle A bicycle includes a first bicycle body, a connecting frame and a second bicycle body. The first bicycle body includes a vertical seat post for mounting a seat, and a first joint member provided on the seat post. The connecting frame extends longitudinall... | 04/28/1998 |
| 5727801 | Tandem tricycle A tandem bicycle is disclosed which comprises a frame in part, like that of a tandem bicycle with the rear like that of an adult tricycle particularly adapted to allow two people to propel the vehicle while offering the riders stability so that both occup... | 03/17/1998 |
| 5511809 | Pedal-powered four-wheel vehicle The present invention is a pedal-powered two-rider four-wheel vehicle which has a general configuration of two bicycles attached in a side-by-side relationship. The four-wheel vehicle includes four mechanisms which are utilized to construct the present in... | 04/30/1996 |
