Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7434489 | Bicycle drive system A bicycle drive system includes a front gear face, a rear gear face, a front guide assembly, a rear guide assembly, and a drive shaft coupled to a rear-suspension frame via a rear hub and a crank spindle. The bicycle drive system operates independently of the frame.... | 10/14/2008 |
| 7369929 | Electronically servo-assisted bicycle gearshift and related method An electronically servo-assisted bicycle gearshift and method for electronically shifting the gears of a bicycle involves the steps of: receiving a signal requesting a displacement of a chain of a bicycle gearshift from a first sprocket to a second adjacent sprocket... | 05/06/2008 |
| 7361112 | Transmission apparatus A transmission mechanism utilizing a source of power which includes a main input shaft that turns upon receipt of power from said source. An auxiliary shaft is turned by the main input shaft through a link that turns the auxiliary shaft at a variable rate relative t... | 04/22/2008 |
| 7361109 | Bicycle gear set A bicycle gear assembly has first and second sets of cog wheels, each having at least three cog wheels of various sizes including a largest cog wheel and a smallest cog wheel. These two sets are oriented so that the largest cog wheel of the first set is aligned with... | 04/22/2008 |
| 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 |
| 7326137 | Gear for a bicycle The invention relates to a compact installation gear with, for instance, a ⅜″ derailleur chain and a derailleur for setting a transmission ratio between a crankshaft and a rear hub of a bicycle. To that end, the gear comprises a compact housing with the cranksha... | 02/05/2008 |
| 7294076 | Transmission apparatus for bicycle A transmission apparatus for a bicycle is capable of performing a transmission operation even while operating or running by the inertia of the bicycle. The transmission apparatus T for a bicycle includes a driving sprocket member rotationally driven by a crankshaft;... | 11/13/2007 |
| 7292923 | Electronically servo-assisted bicycle gearshift and related method An electronically servo-assisted bicycle gearshift and method for electronically shifting the gears of a bicycle involves the steps of: receiving a signal requesting a displacement of a chain of a bicycle gearshift from a first sprocket to a second adjacent sprocket... | 11/06/2007 |
| 7264256 | Bracket assembly for a motor controlled bicycle transmission A bracket assembly for mounting a motor or other control device to a bicycle frame includes a bracket base for supporting the control device at least partially above a chain stay, and a bracket support extending from the bracket base for coupling the bracket base to... | 09/04/2007 |
| 7261663 | Continuously variable planetary gear set A continuously variable planetary gear set is described having a generally tubular idler, a plurality of balls distributed radially about the idler, each ball having a tiltable axis about which it rotates, a rotatable input disc positioned adjacent to the balls and ... | 08/28/2007 |
| 7255660 | Actuator for a bicycle gear-shift A bicycle gear-shift actuator having an articulated quadrilateral support with four connecting rods hinged together by four pin elements, and a motor member, having a variable length output shaft that travels along a drive axis between two opposite pin elements to m... | 08/14/2007 |
| 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 |
| 7219573 | Gear-change control device for a bicycle A gear change control device for a bicycle having a handlebar with straight end portions, comprises a first control lever with a control portion arranged behind the end portion of the handlebar, with reference to the longitudinal direction of the bicycle, and extend... | 05/22/2007 |
| 7211014 | Variable sprocket IVT machine A variable sprocket IVT machine has a sprocket wheel, on an input shaft, including a plurality of wheel bodies which are independently rotatable on the shaft, a sprocket slidably located in and projecting radially from a sleeve in each wheel body, connecting arrange... | 05/01/2007 |
| 7207914 | Bicycle rear derailleur guard A bicycle rear derailleur guard assembly for use with a bicycle having a derailleur mounted to a frame of the bicycle by a derailleur mounting bolt. The derailleur guard assembly preferably includes a body supportable by an axle assembly of the bicycle. The body is ... | 04/24/2007 |
| 7166048 | Bicycle derailleur with protective support A bicycle derailleur comprises a bracket adapted to be mounted to the frame; a base member supported by the bracket; a chain guide; and a coupling mechanism coupled between the base member and the chain guide so that the chain guide moves relative to the base member... | 01/23/2007 |
| 7166052 | Continuously variable planetary gear set A continuously variable planetary gear set is described having a generally tubular idler, a plurality of balls distributed radially about the idler, each ball having a tiltable axis about which it rotates, a rotatable input disc positioned adjacent to the balls and ... | 01/23/2007 |
| 7152868 | Vehicle with variable guided pendular motion A vehicle (1) includes a chassis (2) which has a steering assembly (3) at one end and at least one wheel at the other end. The steering assembly includes a pair of steering wheels (4a, 4b) and an interconnecting steer... | 12/26/2006 |
| 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 |
| 7083193 | Igniter for air bag system The present invention provides an igniter for an air bag system which has an excellent operation performance and can be reduced in weight. A capacitor and an integrated circuit are provided in an igniter for an air bag system utilizing bus lines 10 and 11 | 08/01/2006 |
| 7055403 | Frictional clutch assembly A clutch assembly has a driving assembly and a transmission assembly. The driving assembly has an input axle and at least one driving gear. The transmission assembly is connected to the driving assembly and has an output axle, at least one driven gear, an inner axle... | 06/06/2006 |
| 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 |
| 7033294 | Bicycle rear derailleur guard A bicycle rear derailleur guard assembly for use with a bicycle having a derailleur mounted to a frame of the bicycle by a derailleur mounting bolt. The derailleur guard assembly preferably includes a body supportable by an axle assembly of the bicycle. The body is ... | 04/25/2006 |
| 7011376 | Systems and methods for propelling a vehicle Disclosed are systems and methods for converting linear motion into circular motion. ... | 03/14/2006 |
| 7011600 | Continuously variable transmission A variable speed transmission having a plurality of tilting balls and opposing input and output discs is illustrated and described that provides an infinite number of speed combinations over its transmission ratio range. The use of a planetary gear set allows minimu... | 03/14/2006 |
| 7007570 | Pedal crank mechanism for bicycle A bicycle crank mechanism comprises a main crank, a follower crank, and a connecting lever disposed between free ends of the main and follower cranks. A second fixed fulcrum shaft of the follower crank is arranged obliquely upwardly and backwardly of a first fixed f... | 03/07/2006 |
| 7004487 | Continuously variable transmission for bicycles A continuously variable transmission for bicycles having a transmission mechanism including a plurality of link units for converting rotary motion of an input shaft rotated by a pedal-operated crankshaft into swinging motion, and a one-way clutch for converting the ... | 02/28/2006 |
| 6997835 | Electrically operated derailleur with power storing mechanism A rear derailleur for a bicycle includes a base member for attaching the rear derailleur to the bicycle, a movable member for supporting a chain guide, and a linkage mechanism coupling the base member to the movable member so that the movable member is capable of mo... | 02/14/2006 |
| 6979020 | Air bag system An air bag system includes an ECU, a plurality of module cases accommodating a plurality of gas generators and a plurality of air bags, and a bus line having a plurality of loop wires passing through the ECU to supply and transmit currents. The gas generators are co... | 12/27/2005 |
| 6949049 | Continuously variable transmission A continuously variable transmission for use in rotationally or linearly powered machines and vehicles. The transmission provides a simple manual shifting method for the user. Further, the practical commercialization of traction roller transmissions requires improve... | 09/27/2005 |
| 6945903 | Continuously variable transmission A continuously variable transmission is disclosed for use in rotationally or linearly powered machines and vehicles. The single axle transmission provides a simple manual shifting method for the user. An additional embodiment is disclosed which shifts automatically ... | 09/20/2005 |
| 6925907 | Triangulated bicycle pedal support structure A bicycle with a triangulated crank structure replaces the single span crank arm which connects the spindle to the foot pedal on bicycles today. The triangulated crank structure is typically comprised of several sections including two linear spans of structural mate... | 08/09/2005 |
| 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 |
| 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 |
| 6699161 | Adjustable pedal drive mechanism An adjustable pedal drive mechanism for bicycles and exercise machines includes a pedal arm attachment plate assembly on each side of the cycle or machine frame. Each plate assembly provides adjustment of the pivotally attached pedal arm, for altering its... | 03/02/2004 |
| 6692389 | Automatic derailleur An automatic derailleur device comprises an arm, a sprocket roller meshed with one of a set of different-sized sprocket wheels on, a control member, a tension wheel meshed with a sprocket chain and secured to the arm, a cylinder including a shaft secured ... | 02/17/2004 |
| 6554309 | Bicycle pedaling power unit with leverage shifting A system for powering vehicles such as bicycles using leverage type pedals each connected to a freewheeling sprocket and then connected to a common drive shaft in the rear of the vehicle. A keyed shaft connects all free wheeling sprockets and provides for... | 04/29/2003 |
| 6485042 | Integrated rotary drive motion transmission and directional control system An integrated rotary drive motion transmission and directional control system includes a rotor and a pair of rotary drive motion transmitting assemblies each disposed adjacent to one of the opposite sides of the rotor. The rotor is mounted to rotate in ei... | 11/26/2002 |
| 6383108 | Apparatus for changing direction of driving force for bicycles An apparatus for changing direction of driving force for bicycles, more particularly, an apparatus for changing direction of driving force for bicycles, which can travel bicycles forward by pedaling rearward as well as by pedaling forward, is provided. Th... | 05/07/2002 |
| 6383107 | Apparatus for changing direction of driving force for bicycles An apparatus for changing direction of driving force for bicycles, more particularly, an apparatus for changing direction of driving force for bicycles, which can travel bicycles forward by pedaling rearward as well as by pedaling forward, is provided. Th... | 05/07/2002 |
