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| Number | Title | Issue Date |
| 7713153 | Infinitely variable transmission An IVT machine includes an input shaft, a drive wheel on the input shaft, an output shaft, a ratio changing device which is mounted on the output shaft, an endless belt which passes over the drive wheel and in an open loop on the ratio changing device, control eleme... | 05/11/2010 |
| 7563185 | Infinitely variable transmission An IVT machine includes an input shaft, a drive wheel on the input shaft, an output shaft, a ratio changing device which is mounted on the output shaft, an endless belt which passes over the drive wheel and in an open loop on the ratio changing device, control eleme... | 07/21/2009 |
| 7261655 | Variable speed flat belt transmission and variable diameter pulley for use in same A belt drive system employs variable diameter drive and driven pulleys interconnected by a flat belt and operative to vary the rotational speed of the driven pulley as in a variable speed transmission. Each pulley includes an internal fluid pressure chamber and diam... | 08/28/2007 |
| 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 |
| 7156764 | Extensible chainwheel for a bicycle powertrain assembly A driving sprocket, or chainwheel, for a bicycle crankset having a toothed ring whose ring is divided into a plurality of segments, the segments being borne by a frame that is rotationally movable about a crankset axle, each sprocket segment being movable between a ... | 01/02/2007 |
| 7086981 | Transmission and constant speed accessory drive An infinitely variable speed ratio planetary ball transmission comprising planetary members in rolling contact with moveable inner and outer races and a constant speed accessory drive system utilizing the transmission. The transmission is infinitely variable between... | 08/08/2006 |
| 7077771 | Automatic stepless speed-changing mechanism An automatic stepless speed-changing mechanism mainly includes a pivotal shaft, a plurality of mounting discs mounted along the pivotal shaft and provided with radially extended guide rails, a plurality of axial rods separately axially extended through the guide rai... | 07/18/2006 |
| 7069807 | Adjustable shift detent assembly A vehicle transmission detent assembly is provided that includes a housing having a bore. A movable shift rail is supported by the housing and includes a recess at least partially aligned with the bore. A detent is at least partially arranged within the bore and eng... | 07/04/2006 |
| 7063833 | Method of reducing staining of stannous in dentifrice compositions Disclosed are methods for reducing the staining of dentifrice composition containing stannous comprising administering to a subject the dentifrice composition. The dentifrice composition is a dual phase dentifrice and is contained in physically separated compartment... | 06/20/2006 |
| 7048659 | Gear shift device for bicycles A motorized bicycle gear shift device comprising a derailleur and an electric motor, associated directly with the derailleur, for controlling the derailleur and an electric transducer of absolute type, also associated with the derailleur for producing an electric si... | 05/23/2006 |
| 7047118 | Method and apparatus for regulating the transmission ratio of a continuously variable transmission A method and apparatus for regulating the transmission ratio of a continuously variable transmission. A set point value for adjusting the transmission ratio can be changed as a function of the operating parameters of a power train that includes the transmission. The... | 05/16/2006 |
| 7033293 | Expandable pulley An expandable pulley. The expandable pulley comprises a plurality of belt blocks arranged about an axis of rotation. Each belt block bears upon a radial surface extending normally to the axis of rotation. Another surface of each belt block bears upon a conical membe... | 04/25/2006 |
| 7011322 | Automatic transmission with stepless, continuously variable speed and torque ratio An automatically and smoothly continuously variable transmission, particularly for a bicycle, for transmitting input mechanical energy from a crank to the drive wheel. A ratchet, having an oscillatory, alternating motion member and a continuous rotary motion member,... | 03/14/2006 |
| 6938544 | Belt drive A belt drive for a machine for printing images on a flat printing material, having a continuous belt revolving during operation, includes a belt guide having stops for two protruding edges of the belt, the edges being oriented in a longitudinal direction of the belt... | 09/06/2005 |
| 6931958 | Apparatus for controlling first and second bicycle transmissions A transmission control unit that generates transmission commands for controlling the operation of the first transmission and the second transmission. The transmission control unit includes an inhibiting unit for inhibiting a second operation of the first transmissio... | 08/23/2005 |
| 6726585 | Variable ratio sprocket assembly A variable ratio sprocket assembly for providing improved transition between gears and eliminating derailing. The variable ratio sprocket assembly includes an axle, a bicycle wheel hub coupled to a rear wheel of the bicycle and designed to rotatably receive rotation... | 04/27/2004 |
| 6458054 | Transmission The present invention provides a transmission capable of surely transmitting power even in a configuration in which the diameter of a rotating body is changed. When movable members of the rotating body are moved in the radial direction, the diameter of a ... | 10/01/2002 |
| 6432009 | Continuously variable transmission A continuously variable transmission that comprises an input shaft to which torque may be applied, an adjustable gearing mechanism, and a driven element. The adjustable gearing mechanism is attached to the input shaft and is configured to continuously var... | 08/13/2002 |
| 6379275 | Continuously variable transmission pulley The invention comprise a continuously variable transmission pulley. The pulley comprises at least one axially moveable sheave section which is coaxial with a second sheave section. Each sheave section has a series of radial grooves which are axially and r... | 04/30/2002 |
| 6332852 | Variable ratio drive system A variable ratio drive system including at least one variable diameter sprocket is described herein. The variable diameter sprocket includes a support and at least three radially movable sprocket portions mounted to the support. A diameter changing mechan... | 12/25/2001 |
| 6296585 | Driver roller, in particular for drive belts of a thread supply device on a textile machine A driving roller with an outer working periphery having a changeable diameter has a first disk and a second disk arranged coaxially with one another and returnable relative to one another in any operational condition, the first disk being provided with a ... | 10/02/2001 |
| 6267699 | Variable ratio magnetic drive mechanism A drive mechanism of the type having a first pulley, a second pulley, and an endless flexible drive member extending therebetween for transmitting motion from the first pulley to the second pulley wherein at least one of the pulleys is a variable ratio pu... | 07/31/2001 |
| 6183385 | Variable-ratio transmission The invention is a variable-ratio transmission comprising a base having an axis of rotation to which an object can be attached and a plurality of pulley assemblies slideably attached to the base along radials. Each pulley assembly comprises one or more pu... | 02/06/2001 |
| 6152844 | Variable diameter pulley for a transmission A rotary power source and a continuously variable transmission are coupled together. The continuously variable transmission includes a first shaft, a first pulley coupled to rotate with the first shaft, a second shaft, a second pulley coupled to rotate wi... | 11/28/2000 |
| 5830093 | Continuously variable transmission employing cable wound around variable diameter drums A continuously variable transmission system for coupling between a rotating drive shaft and an output shaft employs a first drum rotated by the drive shaft and a second drum connected to the output shaft. At least one, and typically both, of the drums hav... | 11/03/1998 |
| 5722106 | Tooth polishing brush The present invention relates to a toothbrush with uniform diameter bristles containing a polishing agent with a particle size of from about 0.01 μm to about 100 μm, wherein cleaning of the teeth is improved without any of the adverse side effects assoc... | 03/03/1998 |
| 5688199 | Variable ratio drive mechanism A variable ratio drive mechanism, suitable for a bicycle for example, has at least one gear whose effective radius is variable in a stepless manner in response to applied torque and/or in response to an external force. The gear may include a helical sprin... | 11/18/1997 |
| 5601803 | Silica abrasive dentifrice of reduced stringless and improved flavor There is disclosed a flavored silica abrasive dentifrice which delivers higher levels and intensity of flavor and exhibits less stringiness the dentifrice having incorporated therein a cellulose gel comprised of a coprocessed mixture of microcrystalline c... | 02/11/1997 |
| 5582555 | Continuously variable transmission An infinitely variable ratio drive mechanism consisting of at least one variable diameter pulley and a flexible drive belt. A plurality of pulley segments are connected via links to a hub, such that their concerted arcs of motion describe a variable pulle... | 12/10/1996 |
| 5492506 | Continuously variable pulley A continuously variable diameter pulley includes a cylindrical hub mounted on a drive shaft for rotation therewith. A plurality of vanes have stem portions slidably journaled through radial apertures in the hub for slidable movement radially inwardly and ... | 02/20/1996 |
| 5476422 | Multi-speed transmission for bicycles The present invention is directed to an improved variable sprocket transmission of a type that is particularly well-suited for use in multi-speed bicycles. More particularly, a variable sprocket transmission for a multi-speed bicycle is provided which can... | 12/19/1995 |
| 5443423 | Variable bolt pin chain belt transmission system A variable bolt pin chain belt transmission for use in a vehicle, includes a pair of variable bolt pin pulleys having a plurality of bolt pins which are lined in a plurality of circles, a chain belt engaging with both variable bolt pin pulleys. Different ... | 08/22/1995 |
| 5407395 | Steplessly variable belt drive for bicycle A steplessly variable-ratio drive has a drive wheel having a hub rotatable about a drive axis, adapted to be normally rotated in a forward direction about the axis, and having at least three angularly equispaced pivots radially equispaced from the axis. R... | 04/18/1995 |
| 5290206 | Bar-band variable circumference adjustable-drive pulley mechanism A variable inverted pulley circumference mechanism supported by an external mechanism that locates the pulley halves. Power transfer takes place via either a combination of a variable pulley located inside the variable inverted pulley, working together wi... | 03/01/1994 |
| 5254043 | Variable transmission pulley A transmission system for vehicles. The transmission system has a pulley mounting a shaft extending from a mandrel of a power source, an automatic clutch for driving a wheel and a belt linking the pulley with the clutch. The pulley has a first section sec... | 10/19/1993 |
| 5116282 | Variable circumference adjustable-drive pulley mechanism A variable inverted pulley mechanism supported by an external mechanisms that located the pulley halves. Power transfer takes place via either a combination of a variable pulley located inside the variable inverted pulley, working together with fixed plan... | 05/26/1992 |
| 5104357 | Variable ratio drive system A variable ratio drive mechanism which operates to adjust the path of an endless drive belt in response to a remotely located control input. A plurality of circumferentially spaced sheave segments are respectively mounted in a plurality of radially extend... | 04/14/1992 |
| 5049113 | Variable circumference adjustable-drive pulley mechanism A compact, reliable lightweight variable diameter drive mechanism for use with either a belt or a chain comprising outwardly biased, frusto-conical axially movable pulley halves and an automatically adjustable, flexible contacting surface wrapped around t... | 09/17/1991 |
| 5013284 | Variable ratio drive system A variable ratio drive mechanism which operates to adjust the path of an endless drive belt in response to a remotely located control input. A plurality of circumferentially spaced sheave segments are respectively mounted in a plurality of radially extend... | 05/07/1991 |
| 5011458 | Continuously variable transmission using planetary gearing with regenerative torque transfer and employing belt slip to measure and control pulley torque A continuously variable, regenerative transmission is disclosed in which a continuously variable transmission assembly is employed in conjunction with a regenerative gear assembly incorporating high and low clutches and situated intermediate a prime mover... | 04/30/1991 |
