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Reward Candy Dispenser for Personal Computers
A personal computer peripheral, battery powered reward candy dispenser which immediately presents students with a single candy for each problem completed correctly.
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| Number | Title | Issue Date |
| 7823899 | Bicycle propulsion assembly having elongate members The present invention provides a propulsion assembly for a bicycle. The propulsion assembly includes a support member that at least extends from the bicycle frame to a distal end spaced-apart from the rear wheel. The assembly includes a first drive mechanism rotatab... | 11/02/2010 |
| 7370873 | Bicycle drive unit of multi pedaling type The present invention relates to a bicycle drive unit of multiple pedaling modes, comprising a drive shaft on one side having a counterclockwise one-way clutch and a clockwise one-way clutch coupled thereto by means of sunk keys and the drive shaft is engaged with a... | 05/13/2008 |
| 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 |
| 7261309 | Wheelchair drive mechanism A wheelchair which shifts between forward and reverse by virtue of a roller mechanism which grabs in one direction and slips an opposite direction, thereby preventing binding. The shift mechanism is initiated by rotation of a shift paddle which is located on a extre... | 08/28/2007 |
| 7261305 | Occupant-propelled fluid powered rotary device, truck, wheeled platform, or vehicle An occupant propelled device having at least one hydraulic cylinder, a platform and a housing. The at least one hydraulic cylinder has at least two chambers in fluid communication. The platform is attachable to the at least one hydraulic cylinder, such that upon mov... | 08/28/2007 |
| 7244218 | Angle adjustable pedals for elliptical exercisers An angle adjustable pedal assembly for elliptical exercisers includes a pedal frame and a pedal which is pivotably connected to two sides on an end of the pedal frame. Each side wall has a hole with three notches defined in an inside of the hole and the pedal has tw... | 07/17/2007 |
| 7021639 | Bicycle of type driven by operation of handle Disclosed herein is a bicycle of the type driven by operation of a handle. According to the present invention, a shaft rod of the bicycle is installed with a hinge so as to enable the handle to rotate forward or backward. The handle is bent by a constant angle on th... | 04/04/2006 |
| 7011376 | Systems and methods for propelling a vehicle Disclosed are systems and methods for converting linear motion into circular motion. ... | 03/14/2006 |
| 6916031 | Frictionless bicycle stopping device A bicycle braking device includes a second drive assembly between the crankshaft and the rear axle of the bicycle. The second drive assembly includes a chain drive and pair of engaged gears for reversing the direction of rotation of the crankshaft with respect to th... | 07/12/2005 |
| 6796570 | Foot-tread type scooter A scooter includes a main frame, a tread board, a oneway bearing, and a linkage. Thus, the user can tread the pedal of the tread board successively to move the scooter forward, and the user's two feet need not to leave the main frame of the scooter, thereby facilita... | 09/28/2004 |
| 6764089 | Manually powered drive mechanism and vehicle employing same The present invention provides a manually powered rowing vehicle. In one embodiment, a chain wraps around a portion of first and second free-wheel wheel sprockets, which can spin freely in one direction but not the other. The first free-wheel drive sprocket drives a... | 07/20/2004 |
| 6749211 | Bicycle with reciprocal pedal levers having shiftable pivot axis for transmission ratio change This invention relates to a cycle, such as a bicycle, having reciprocal pedal levers for propelling at least one wheel of the cycle. The cycle has a frame that includes a rack, a left pedal lever with a rack and a right pedal lever with a rack. A pinion is carried o... | 06/15/2004 |
| 6688624 | Foot pump scooter A front wheel of a scooter is pivotally mounted to a frame and includes an upwardly extending shaft supporting a handlebar for steering the scooter. A footpad or peg or pedal, mounted on a spring returned lever, is interconnected with the rear wheel throu... | 02/10/2004 |
| 6648354 | Leg-propelled wheelchair The wheelchair incorporates a telescoping pivoting input lever. At its lower end, the lever carries a footrest for securement to the user's feet. At its upper end, the lever is connected to a horizontal shaft rotatably mounted to the wheelchair frame, at ... | 11/18/2003 |
| 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 |
| 6634662 | Driving shaft device of toy twist car A driving shaft device of a toy twist car is disclosed. The toy twist car has a car body. A rear side of the car body has an idle wheel and a front end thereof is installed with a vertical driving shaft. A handle is installed and perpendicular to the driv... | 10/21/2003 |
| 6619682 | Scooter An occupant propelled vehicle is provided that includes a frame having a front portion and a rear portion, front and rear wheels, a platform, a steering mechanism and a drive mechanism. The drive mechanism may include a drive sprocket mounted on the frame... | 09/16/2003 |
| 6595535 | Bicycle or the like The invention relates to a bicycle and like, having a rear wheel (22) or flywheel, and provided with a pedal group comprising a central shaft and a gear wheel (5) integrally coupled each other, a left crank (1) and a right crank (1), coupled on the two en... | 07/22/2003 |
| 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 |
| 6499747 | Rocking cycle The present invention relates to a manually powered vehicle, such as a child's ride-on toy. The vehicle is powered by a rocking, or up-and-down, motion of the rider. The rocking motion is mechanically translated into a force for propelling the ride-on veh... | 12/31/2002 |
| 6402173 | Gravity tricycle A gravity tricycle is driven by a power-saving drive device. The drive device includes first and second pedals, which have drive rods respectively connected to bottom edges thereof, front ends of the drive rods being pivotally disposed on a pivot shaft at... | 06/11/2002 |
| 6382043 | Transmission assembly for a bicycle having forward/back gear A bicycle transmission assembly comprises a gear shifting device and a reciprocating pedal device that are mounted to a bicycle frame. The reciprocating pedal device comprises a reverse gear train consisting of a first reverse gear and a second reverse ge... | 05/07/2002 |
| 6311998 | Geared scooter The present invention relates to a geared scooter comprising a deck assembly, a handlebar, a front wheel assembly and a rear wheel assembly. The front wheel assembly and the rear wheel assembly are arranged at front and rear ends of the deck assembly. The... | 11/06/2001 |
| 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 |
| 6220615 | Aerobic wheelchair attachment A therapeutic wheelchair that includes an auxiliary frame attached to the main frame of the wheelchair. An auxiliary drive wheel is mounted in the auxiliary frame and is coupled through a drive linkage to a pair of leg operated levers whereby the auxiliar... | 04/24/2001 |
| 6196565 | Wheelchair with aerobic attachment A wheelchair having a therapeutic unit attached thereto that contains an auxiliary drive wheel mounted in a frame beneath the chair seat. A pair of leg operated levers are connected to the auxiliary drive wheel by a drive system so that reciprocating the ... | 03/06/2001 |
| 6129646 | Apparatus for propelling a cycle Manually powered propulsion apparatus includes two pedals mounted on an endless flexible member. Depression of either pedal will cause the other to move to a raised or retracted position. Two crank members are connected to the drive wheel of the cycle inc... | 10/10/2000 |
| 6123635 | Propulsion apparatus for a cycle Manually powered propulsion apparatus for propelling a cycle includes two pedals which move along parallel linear tracks. A flexible member forming an endless loop is connected to the two pedals to raise a pedal when the other is depressed by a cyclist. I... | 09/26/2000 |
| 6113510 | Propulsion apparatus Manually powered propulsion apparatus for a cycle includes first and second pedals interconnected by an endless elongated flexible member. Drive elements are affixed to the flexible member which engage drive elements on two crank members employed to apply... | 09/05/2000 |
| 6104154 | Tricycle with electric motor A tricycle with an electric motor in which two rear wheels 4 and 4 are driven by not only an electric motor 5, but also pedals 6 with manpower. A rotational force of the pedals 6 is transmitted to drive shaft 9 via first bevel gears 8a and 8b and then tra... | 08/15/2000 |
| 6090002 | Manually powered propulsion apparatus Manually powered propulsion apparatus includes a pedal and a rotatable member. A flexible transmission member is connected to the pedal and to the rotating member and includes pivotally interconnected link members. The link members are linearly disposed w... | 07/18/2000 |
| 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 |
| 5829772 | Ride-on, human-powered vehicle drive and steering mechanism A ride-on, human-powered vehicle a frame, which is integrally formed with the body of the vehicle. A front axle includes spaced-apart, steerable axle elements located on either side of the front end of the frame, each steerable axle element having a wheel... | 11/03/1998 |
| 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 |
| 5683321 | Drive apparatus for converting linear motion to rotary motion A drive apparatus and method for continuously transmitting power to an axle, shaft and the like are disclosed. The drive apparatus includes a flexible ratch (414) such as flexible chain, belt or cable and cooperating first and second ratch engaging energy... | 11/04/1997 |
| 5509673 | Armrest-driven wheelchair An armrest-driven wheelchair in which the armrests are pivoted to the wheelchair frame and turned turned back and forth about a respective pivot to rotate the wheels forwards or backwards by a respective transmission rod, which is driven by the respective... | 04/23/1996 |
| 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 |
| 5335927 | Pedaled propulsion system A drive mechanism for a pedalled vehicle employs foot levers mounted on the vehicle frame, a rotary drive mechanism, and one way rotary members. A chain or toothed rack can engage the rotary members to provide reciprocal oscillatory motion, which is then ... | 08/09/1994 |
| 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 |
