Did You Know...
...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!
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| Number | Title | Issue Date |
| 8123653 | Continuously variable transmission A continuously variable transmission (CVT) having a main shaft configured to support and position various components of the CVT. Shift cam discs cooperate with ball-leg assemblies to shift the transmission ration of the CVT. Load cam discs, a torsion disc, rolling e... | 02/28/2012 |
| 8033953 | Gearless speed reducer or increaser A gearless speed reducer or increaser consists of an input shaft, an output shaft, and a motor connected to the input shaft. There is an external race connected to one of the shafts, and an internal race attached to the other shaft. Two ball bearings are disposed be... | 10/11/2011 |
| 7909727 | Continuously variable transmission A continuously variable transmission (CVT) having a main shaft configured to support and position various components of the CVT. Shift cam discs cooperate with ball-leg assemblies to shift the transmission ration of the CVT. Load cam discs, a torsion disc, rolling e... | 03/22/2011 |
| 7762920 | Continuously variable transmission A continuously variable transmission (CVT) having a main shaft configured to support and position various components of the CVT. Shift cam discs cooperate with ball-leg assemblies to shift the transmission ration of the CVT. Load cam discs, a torsion disc, rolling e... | 07/27/2010 |
| 7762919 | Continuously variable transmission A continuously variable transmission (CVT) having a main shaft configured to support and position various components of the CVT. Shift cam discs cooperate with ball-leg assemblies to shift the transmission ration of the CVT. Load cam discs, a torsion disc, rolling e... | 07/27/2010 |
| 7431677 | 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 ... | 10/07/2008 |
| 7367912 | Counter-rotation drive The mechanical counter-rotation drive according to the present invention is based on the laws of relative motion of an eccentric part of one of at least two shafts, which are constitutive parts of this drive, with respect to the plates of a determined shape whose mo... | 05/06/2008 |
| 7214159 | 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 ... | 05/08/2007 |
| 7201694 | 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 ... | 04/10/2007 |
| 7175564 | 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 ... | 02/13/2007 |
| 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 |
| 7156770 | 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 ... | 01/02/2007 |
| 7140999 | 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 ... | 11/28/2006 |
| 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 |
| 6968756 | Multi-speed ratio apparatus to control shaft output A multi-speed ratio apparatus to control output for use, but not limited to, either as a module connected to a transmission or as a stand alone transmission. The multi-speed ratio apparatus is connected to a driving member (such as, for example, an engine, motor, or... | 11/29/2005 |
| 6676559 | Continuously variable transmission A continuously variable transmission. The transmission includes a plurality of power adjusters, such as spherical balls, frictionally interposed between a driving and a driven member. The driving and the driven member are each rotatably disposed over a ma... | 01/13/2004 |
| 6666789 | Frictional variable transmission for vehicle A frictional variable transmission for a vehicle comprising a rotating unit rotated by an engine of the vehicle; a power-varying unit that varies, in a state of contacting the rotating unit, a rotational force transmitted from the rotating unit 21 by movi... | 12/23/2003 |
| 6383110 | Nested modified-cam speed converter A method and apparatus are provided for smoothing the transition in rolling element/cam type nested speed converters and as motorized in a compact pancake package. More specifically, the apparatus for translating motion from a first to a second velocity i... | 05/07/2002 |
| 6270442 | Multi-function speed converter Methods and apparatus for translating angular velocity and rotary motive force of an input drive to angular velocity and rotary motive force of an output drive, by providing a pair of devices rotatable at, relative to or about a common axis, and translati... | 08/07/2001 |
| 6241636 | Continuously variable transmission A continuously variable transmission. The transmission includes a plurality of power adjusters, such as spherical balls, frictionally interposed between a driving and a driven member. The driving and the driven member are each rotatably disposed over a ma... | 06/05/2001 |
| 6186922 | In-line transmission with counter-rotating outputs Method and apparatus for rotary motion converting power transmission assembly with counter-rotating outputs on the same axis as the rotary input.... | 02/13/2001 |
| 6125711 | Multi-stage speed converter with idler Method and apparatus for achieving high torque and speed reduction in a compact and light-weight low parts-count speed converter apparatus featuring a floating ground element that both provides a moving ground to the first stage and acts as an input to a ... | 10/03/2000 |
| 6068573 | Pancake motor nested within cam speed converter A method and apparatus are provided for smoothing the ball transition in rolling element/cam type speed converters, with an alternative cable-run through the drive mechanism in either a single or multistage configuration.... | 05/30/2000 |
| 6039672 | Modified-cam speed converter A method and apparatus are provided for smoothing the ball transition in rolling element/cam type speed converters.... | 03/21/2000 |
| 6016715 | Harmonic drive In a harmonic drive arrangement for the displacement of one component relative to another, a ball cage with cavities and balls movably disposed in the cavities is associated with one of the components and a transfer structure with conical recesses is asso... | 01/25/2000 |
| 5954615 | Speed converter A method and apparatus are provided for translating the speed of a drive shaft which is driven at a second speed to the speed of a driven shaft at a second speed, by providing a drive cam, a driven cam, and at least one reciprocating transfer element driv... | 09/21/1999 |
| 5904073 | Balls and cam type differential gear The present invention provides a differential gear which is capable of constructing an axle supporting structure at a low cost and obtaining a differential limiting effect without adding a special mechanism. In the present invention, each axle is coupled ... | 05/18/1999 |
| 5823049 | Mechanical scanner A method and apparatus are provided for a scanning output from a rotary input based upon the cooperation of a continuous track and a discontinuous track via at least one interacting element.... | 10/20/1998 |
| 5722910 | Speed converter with dwell Method and apparatus having a track of segments, ones of the segments having a non-varying profile, for generating a varying motion.... | 03/03/1998 |
| 5607370 | Variable output speed converter Methods and apparatus for translating angular velocity and rotary motive force of an input drive to angular velocity and rotary motive force of an output drive, by providing a pair of devices rotatable at, relative to or about a common axis, and translati... | 03/04/1997 |
| 5577423 | Differential gear A small, inexpensive, comparatively simple differential gear having reliable revolution difference restricting effects includes a rotary casing and a retainer having a common rotation axis. Torque is transmitted to a groove of a pair of rotary members via... | 11/26/1996 |
| 5562564 | Integral balls and cams type motorized speed converter with bearings arrangement Method and apparatus having a single continuous track of segments, each segment having its own profile, and wherein ones of the segments have the same profile, for generating a varying motion output.... | 10/08/1996 |
| 5548912 | Water filled crystal ball structure with driven steel balls This construction is one type of water filled crystal ball with driven steel balls. The main parts include, a water filled crystal ball and fixed base. On the top periphery of this round fixed base is placed a continuous track. This track is filled with s... | 08/27/1996 |
| 5514045 | Speed converter with zero backlash Method and apparatus for reducing backlash in a speed converter using balls to interact between input and output cams. Preferred embodiment features two-point contact of balls by drive input and driven output cam tracks under axial preload.... | 05/07/1996 |
| 5423725 | Planetary-friction type speed change device A planetary-friction type speed change device includes: (a) a sun roller arranged to rotate about an axis in response to a motive rotation; (b) an outer ring substantially coaxial with the sun roller; (c) a plurality of planetary rolling elements disposed... | 06/13/1995 |
| 5413011 | Positive variable speed transmission system A positive, variable speed transmission system comprising a pair of beveled plates and a plurality of slidable balls which are moved between said plates, the position of said slidable balls determining the speed variation of said transmission system.... | 05/09/1995 |
| 5397279 | High speed, radial ball, traction transmission The invention, an improved radial ball, traction transmission capable of bearing component speeds in excess of 20,000 RPM, connecting the output shaft of a motor or power source to the output shaft of the transmission for the purpose of transferring input... | 03/14/1995 |
| 5321988 | Oscillatory motion speed converter having drive and driven cams with balls and retainer Method and apparatus producing oscillatory motion output from a rotary input using balls to interact between input and output cams. Preferred embodiment features a speed reduction stage and an oscillation stage. Dwell periods can be provided as well as in... | 06/21/1994 |
| 5312306 | Speed converter A method and apparatus are provided for translating the speed of a drive shaft which is driven at a first speed to the speed of a driven shaft at a second speed, by providing a drive cam, a driven cam, and at least one reciprocating transfer element drive... | 05/17/1994 |
| 5282353 | Continuous self-neutralizing strander A strander for generating a multi-strand cable including at least one pay-off station which is spaced radially from a common rotational axis along which the cable is formed. Each station includes a reel for paying-off a strand to be used in the cable, and... | 02/01/1994 |
