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A simulation environment for the sport of boxing utilizing a robotic machine interface system which carries a person.
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| Number | Title | Issue Date |
| 7344146 | Quadracycle The improved wheelchair employs the use of two push levers attached to two forward drive gears, and two reverse drive gears, which propel the two main rear wheels of the chair through bicycle chains connecting the front drive gears to sprocket clusters mounted on th... | 03/18/2008 |
| 7341542 | Exercise machine An exercise device providing a fore and aft horizontal component of striding motion that is dynamically user-defined, while providing a vertical component of the motion that is maintained on a predetermined vertically reciprocating path in some embodiments. The exer... | 03/11/2008 |
| 7341267 | Reversible ratchet mechanism A reversible ratchet mechanism includes a pair of roller clutches set to operate in opposite directions when engaged by a belt. During the forward motion of the ratchet assembly in either direction of propulsion of the belt, one roller clutch is disengaged while the... | 03/11/2008 |
| 7300065 | Body weight-activated scooter A body weight-activated scooter having a rear, vertical chassis section and at least one front steering wheel mounted on a front chassis section and at least one rear drive-wheel, the scooter provided with a pair of systems substantially in alignment with a vertical... | 11/27/2007 |
| 7293789 | Wide power range bicycle with positive intuitive gear shifting system A pedal lever type bicycle includes a pedal lever having a front portion and a rear portion, with an intermediate pivot point located substantially above the center of the rear wheel, and to the rear of the front of the rear wheel. The rear portion of the pedal leve... | 11/13/2007 |
| 7044488 | Scooter assembly A scooter assembly for providing a scooter that would allow a user to move forward by simply shifting their weight. The scooter assembly includes a frame. A pair of wheels is coupled to the frame for supporting the frame on the pair of wheels. The pair of wheels is ... | 05/16/2006 |
| 7011376 | Systems and methods for propelling a vehicle Disclosed are systems and methods for converting linear motion into circular motion. ... | 03/14/2006 |
| 6964424 | Drive system A drive system for use in a bicycle or the like, which includes a manually-operable member and a drive train connected to the member for transferring drive from the member to at least one of the bicycle wheels. The member is mounted for substantially rectilinear rec... | 11/15/2005 |
| 6648355 | Step driven bicycle apparatus Step pedal apparatus includes a pair of step pedals pivotally connected to a frame. The frame supports a front wheel and a rear drive wheel. The step pedals are coupled to a shaft for rotating the shaft on their downward pivoting through a pair of one way... | 11/18/2003 |
| 6609724 | Human-powered cycle which is ridden while lying down A cycle having front wheel forks with a front wheel, a steering device connected to the front wheel forks, and rear stays with a rear wheel that has a free-wheeling hub. The cycle of this invention also includes a frame which connects the forks and the st... | 08/26/2003 |
| 6540648 | Exerciser bike An improved exerciser bike includes a frame having a front wheel and a handle for steering the front wheel, and includes two rear wheel axles. Two rear wheels are rotatably secured to the rear wheel axles. Each of the foot supports has a middle portion pi... | 04/01/2003 |
| 6520525 | Folding tricycle A folding tricycle, maximizing the exercise effect by allowing a user to pedal the tricycle while standing up on the pedals, as well as being easy to move and carry by being folded to be of a small size, is disclosed. The folding tricycle has a running un... | 02/18/2003 |
| 6299189 | Exerciser bike An exerciser bike includes a frame having a front wheel and a handle for steering the front wheel, and includes two rear wheel axles. Two rear wheels are rotatably secured to the rear wheel axles by two ratchet sprocket wheels. Two foot supports each has ... | 10/09/2001 |
| 6155584 | Man-propelled vehicle, such as in particular a cycle A man-propelled vehicle includes a frame with a seat, two pedals, and two hand-operated handles, each linked with the frame by actuating devices capable of communicating to them an alternating translational motion. The actuating devices are coupled with u... | 12/05/2000 |
| 6000707 | Linear driving apparatus An apparatus for linearly driving a vehicle or machine. The apparatus includes a frame, at least one drive wheel, and at least one rotatable driver comprising a pulley or a sprocket, rotatably mounted with respect to the frame. Further, the system include... | 12/14/1999 |
| 5988662 | Lever driven bicycle This invention relates to an improved lever driven bicycle including a shifting mechanism for controlling a drive ratio between the oscillating lever and the drive wheel. The drive lever arrangement may be located about the front or rear wheels of the bic... | 11/23/1999 |
| 5833257 | Alternating drive for wheeled vehicles An alternating drive for wheeled vehicles comprises two opposite pedals which can move on a circular path about a pedal shaft secured on the cycle frame. The alternating drive is characterized in that it is equipped with two cranks (26, 27; 26a, 27a; 26b,... | 11/10/1998 |
| 5785337 | Propulsion system for a bicycle A propulsion system for a bicycle is disclosed. The propulsion system includes first and second levers pivotly mounted to the frame of the bicycle and the cyclist operates the bicycle by pushing the first ends of the levers in up and down directions. In o... | 07/28/1998 |
| 5496051 | Apparatus for propelling a manually-powered cycle Apparatus for propelling a manually-powered cycle including first and second pedals which move along spaced, linear paths of movement. The pedals are connected to the drive wheel of the cycle through elongated flexible transmission elements which wrap abo... | 03/05/1996 |
| 5368321 | Dual-footboard low-profile exercise cycle An exercise cycle is propelled by a stair-stepping action of the driver's legs, with the feet placed on a pair of front-hinged footboards located along opposite sides of the vehicle. A novel cable and chain drive system delivers driving torque to the rear... | 11/29/1994 |
| 5242181 | Human powered vehicle with improved drive system A human powered vehicle is disclosed. The vehicle includes a frame with the capability for supporting an operator one the frame. The vehicle further includes a drive wheel mounted for rotation to the frame, and a mechanism powered by the drive wheel to pr... | 09/07/1993 |
| 5192089 | Pedal-operated scooter A pedal-operated scooter which is characterized by a scooter frame having front and rear wheels, handle bars for steering the front wheel and a pedal-operated drive mechanism for unidirectionally propelling the rear wheel. The drive mechanism includes a p... | 03/09/1993 |
| 5125677 | Human powered machine and conveyance with reciprocating pedals A machine powered by forces exerted by the machine user on machine driving members, such as pedals, which drive a rotary driven member through a unique variable ratio drive system. The machine may be constructed and arranged for use as either a vehicular ... | 06/30/1992 |
| 5016726 | Self-propulsion device for skateboards or the like A self-propulsion device of the type for use with a skateboard or the like comprising, a self-propulsion device which may be mounted, as a unit, for replacement to the existing axle of a conventional skateboard or the like, the self-propulsion device comp... | 05/21/1991 |
| 4846488 | Spring drive and spring drive scooter A spring drive and a spring drive scooter for use by an operator. The spring drive and spring drive scooter have a frame, a resilient member connected to the frame, a pedal, and a movement. The pedal is supported by the resilient member. The pedal is disp... | 07/11/1989 |
| 4807896 | Operator powered skateboard An operator powered skateboard including a platform, a drive assembly mounted to the platform about a pivot axis for axial displacement. The drive assembly including an external power assembly engaging a skateboard axle for causing rotation of the axle in... | 02/28/1989 |
| 4790552 | Children's cable driven mini-car A children's mini-car includes a three-gear set disposed on a rear axle. The three-gear set, which is driven by the ropes disposed on both sides of the rear axle, is arranged to cooperate with accelerator pedals located on both sides of a front transverse... | 12/13/1988 |
| 4602801 | Roller skate A roller skate in which the automatic action of normal walking produces a driving action on the wheels. A heel kick to the pedal of the skate causes the putting in operative position of a control device. During the lifting of the skate, the control device... | 07/29/1986 |
| 4583754 | Transmission unit A transmission for muscle-operated vehicles or appliances for converting forward and backward movements into rotational movement having a constant direction of rotation by means of two freewheeling devices which are driven alternately in opposite directio... | 04/22/1986 |
| 4574649 | Propulsion and speed change mechanism for lever propelled bicycles Propulsion and speed change mechanism for lever propelled bicycles having a pair of propulsion levers 4, each of which is built in one piece with a speed change arm 3 and mounted in each side of the main shaft portion 2 at the bottom of the bicycle frame ... | 03/11/1986 |
| 4549874 | Automatic speed variating means for bicycle An automatic speed variating means for bicycle includes a pedal having a driving rod, a speed controller having a magnetic actuator driven by the bicycle wheel and a driving chain driven by the driving rod wherein the depression of the pedal may drive the... | 10/29/1985 |
| 4533152 | Automatic variable speed lever action drive An automatic variable speed lever action drive for a pedal operated vehicle, in which a pedal lever pivotally mounted on each side of the vehicle frame is connected in part by an extensible and retractable cable to a driven wheel, the lever having a direc... | 08/06/1985 |
| 4421334 | High speed cycle A cycle, such as a bicycle, includes reciprocating pedal levers for applying power to the rear wheel through a pair of chains. The pedal lever includes a forwardly extending section for receiving a person's foot and a rearwardly extending portion for rece... | 12/20/1983 |
| 4379566 | Operator powered vehicle An operator powered vehicle configured to be ridden by an operator in an upright or forced weight position wherein muscle force provided to pedals is augmented by the weight of the operator and by an upward force provided by the operator's arms on the han... | 04/12/1983 |
| 4300784 | Efficient, versatile oscillating pedal cycle An oscillating pedal type bicycle is provided with a pedal lever having a front pedal supporting portion and a rear power transmitting portion which are rigidly connected together and which make an oblique angle with respect to one another, with the apex ... | 11/17/1981 |
| 4272096 | Powerful oscillating pedal bicycle An oscillating pedal type bicycle is provided with a pedal lever having a front pedal supporting portion and a rear power transmitting portion which are rigidly connected together and which make an oblique angle with respect to one another, with the apex ... | 06/09/1981 |
| 4271712 | Variable speed drive unit An elongate flexible power transmission member, stationarily affixed at one end and secured to tension biasing means at the other end, is engaged with a unidirectional drive mechanism. Reciprocating power input means angularly deflect a section of the pow... | 06/09/1981 |
| 4026571 | Bicycle with rear mounted crank arms and improved chain control unit An improved chain control unit for a bicycle of the type having a pair of crank arms rotatably mounted at their rear ends on a mount secured to the frame of the bicycle behind the rear wheel thereof. Thus, pedals on the front ends of the crank arms are dr... | 05/31/1977 |
| 3984129 | Reciprocating pedal drive mechanism for a vehicle A pedal drive mechanism for a are vehicle. In a preferred bicycle version, pedal lever arms Additional pivotally attached to each side of the frame near the rear wheel hub for reciprocal rotation within a limited angular sector. Downward forces exerted by... | 10/05/1976 |
| 3960387 | Manually propelled toy snow vehicle A toy snowmobile including an endless drive track for propelling the snowmobile, and manually actuated drive members movable in to-and-fro paths of travel for alternately driving the drive track.... | 06/01/1976 |
