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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 |
| 7803077 | Constant torque input infinitely variable automatic transmission A constant torque input infinitely variable automatic transmission preferably includes a transmission base, a first cone member, a second cone member, a cone drive member and a biasing member. The transmission base preferably includes a drive base, a first cone yoke... | 09/28/2010 |
| 7722490 | Cones, configurations, and adjusters for friction and non-friction dependent continuous variable transmissions Cones or cone assemblies with one or two oppositely positioned torque transmitting devices, such as torque transmitting arcs of constant pitch (formed by torque transmitting members) or teeth. The torque transmitting devices will be used for torque transmission betw... | 05/25/2010 |
| 7666111 | Bicycle rear derailleur A bicycle rear derailleur includes a base portion, a coupling mechanism, a moveable member, a pivot shaft, a tension plate, a biasing spring and a guide plate. The base portion attaches to a bicycle frame. The coupling mechanism has first and second ends. The first ... | 02/23/2010 |
| 7059983 | Multiple sprocket, multiple function chain guide Chain guides for the front sprockets of bicycles are disclosed. More particularly, the chain guides are adapted or configured for bicycles that have multiple (usually 2 or 3) sprockets/chain rings mounted to the crank assembly. The setup is provided to freely allow ... | 06/13/2006 |
| 6955624 | Motor vehicle drivetrain having at least two CNT's and flywheels This design is for a motor vehicle drivetrain utilizing flywheel rotation to store energy during the vehicle trip, either storing energy when accellerated, or releasing energy when slowed depending on the vehicle power requirements. At the same time the engine is al... | 10/18/2005 |
| 6955620 | Drive system for an infinitely variable drive transmission An improvement relating to an infinitely variable ratio transmission having a pair of oppositely oriented variable diameter torque input and output pulleys is disclosed wherein the conical surfaces of the pulleys include a multiplicity of axially and circumferential... | 10/18/2005 |
| 6908406 | Continuously variable transmission with elastomeric meshing interface A system for transmitting power from a driving, or input, shaft to a driven, or output, shaft by way of an elastomeric belt nipped between opposing surfaces associated with the driving and driven shafts utilizes opposing surfaces which define a plurality of indentat... | 06/21/2005 |
| 6902504 | Cage plate adjusting mechanism for a bicycle rear derailleur An adjusting mechanism is provided for a bicycle derailleur, which can adjust a position of a chain guide in an axial direction. The derailleur basically has a base member, a movable member with the chain guide and a linkage assembly. The adjustment mechanism is pre... | 06/07/2005 |
| 6890276 | Front derailleur for bicycle with electrical motor and gear reducer Front bicycle derailleur comprising an electrical motor controlling an actuating arm, consisting of an extension of an articulated arm of the derailleur, by means of a geared reduction transmission, comprising a worm screw and a sector gear, or a bevel pair. ... | 05/10/2005 |
| 6656070 | Cone with torque transmitting members for continuous variable transmissions A cone to which one or several torque transmitting member(s) are attached as to form at least one torque transmitting arc on the surface of the cone. The torque transmitting member(s) will be used for torque transmission between at least one rotational en... | 12/02/2003 |
| 6626780 | Positive engagement continuously variable transmission A continuously variable transmission includes one or more cone shaped members which each have a cone shaft centrally positioned therethrough. The cone shaped member also includes a pair of fixed spiraled grooved shafts, including a first shaft therein wit... | 09/30/2003 |
| 6575856 | Variable drive transmission An infinitely variable ratio transmission having a pair of oppositely oriented conical torque input and output members wherein the conical members include multi-angled conical surfaces. Further the conical members include longitudinal floating sprocket ba... | 06/10/2003 |
| 6386313 | Gear ratio variable type steering device The present invention relates to a gear ratio variable type steering device which includes a variable gear mechanism between a steering wheel and a gear box for varying a gear ratio based on the speed of a vehicle. The variable gear mechanism includes an ... | 05/14/2002 |
| 6022284 | Apparatus for changing gear ratio in bicycles, especially in race bicycles Apparatus for changing bicycle gear ratios comprising pedals (1) to the shaft (3) of which a group of coaxial overdrive gears is fixed, with at least an overdrive gear (20) of larger diameter and at least an overdrive gear (2) of smaller diameter; a plura... | 02/08/2000 |
| 5957792 | Cable support for a derailleur A cable support member includes a base member having an opening for receiving a fastener for fastening the base member to the bicycle. First and second spaced apart cable guides are integrally formed with and extend from the base member. The first and/or ... | 09/28/1999 |
| 5374221 | Positive variable drive transmission unit/system A set of interlocking sheaves having fan-shaped protruding curved surfaces of different conical angles and capable of varying their degree of interlock is used in conjunction with a drive line to provide a variable drive transmission system having a posit... | 12/20/1994 |
| 5246403 | Pivoting belt tensioning device A belt tensioning assembly that simultaneously controls belt tension and belt drive speed is provided. A pivotable bracket is pivotably attached to a lawn mower or other light duty, belt driven equipment. A variable speed pulley for holding a pair of rota... | 09/21/1993 |
| 5226854 | Transmission system A continuously variable transmission having first and second rotating conical members; oriented to have parallel longitudinal axis with the smaller diameter end of one adjacent the larger diameter end of the other; a plurality of longitudinal channels dis... | 07/13/1993 |
| 4929218 | Continuously variable transmission A continuously variable transmission in which a chain is capable of changing width in order to be accommodated on fixed conical pulley surfaces at desired varying radii on the pulleys, commensurate with desired gear ratio. The chain is comprised of indivi... | 05/29/1990 |
| 4842569 | Bicycle transmission having infinitely variable drive ratio A torque transmission apparatus having an infinitely variable gear ratio particularly suited for use as a bicycle transmission. The apparatus may be mounted on conventional bicycles and replaces the usual derailleur mechanism. A novel means is used to eff... | 06/27/1989 |
| 4295383 | Variable speed drive A variable speed drive of the type having opposed, and parallel-arranged, frusto-conical shaped rollers over which a flat endless belt is trained. The belt is shiftable axially along the length of the rollers to produce an infinitely variable drive betwee... | 10/20/1981 |
| 3934492 | Variable speed drive for bicycles and the like A variable speed "stiff-hub " drive adapted particularly to bicycles and comprised of a constant mesh infinitely variable gearing with an integral input crank shaft projecting axially from opposite ends of an enclosing case, with a drive sprocket at one s... | 01/27/1976 |
