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 |
| 7352073 | Ocean wave energy converter having an improved generator and ballast control The ocean wave energy converter uniquely includes a generator with a rotating inner rotor surrounded by a counter-rotating outer rotor for generating electricity. A reciprocating drive rod drives the inner rotor on the downstroke of the drive rod and the outer rotor... | 04/01/2008 |
| 7237748 | Landing gear method and apparatus for braking and maneuvering Aircraft landing gear comprised of a wheel hub motor/generator disks stack, includes alternating rotor and stator disks mounted with respect to the wheel support and wheel. The wheel hub motor/generator can provide motive force to the wheel when electrical power is ... | 07/03/2007 |
| 7226018 | Landing gear method and apparatus for braking and maneuvering Aircraft landing gear comprised of a wheel hub motor/generator disks stack, includes alternating rotor and stator disks mounted with respect to the wheel support and wheel. The invention can provide motive force to the wheel when electrical power is applied, e.g. pr... | 06/05/2007 |
| 7185558 | Geared segments with variable gear ratio A variable gear ratio device featuring geared segments with variable gear ratio adapted for inclusion into mechanical machines, motors and pumps where there is a constant requirement for a variable transfer ratio for the variability and optimization of the load of t... | 03/06/2007 |
| 7185848 | Mass transfer system for stabilizing an airship and other vehicles subject to pitch and roll moments The invention relates to a mechanism to control the pitch and/or roll and/or center of gravity of a vehicle. The first embodiment is a track-based mass transfer system in which pathways are positioned along or radially terminate at a central horizontal plane of the ... | 03/06/2007 |
| 7155992 | Driving force transmission mechanism and damper apparatus equipped with driving force transmission mechanism A driving force transmission mechanism having a following rotation preventing mechanism that prevents a follower wheel from rotating together with a driving wheel in a play section is provided. Also, a damper apparatus that can drive two open-close plates independen... | 01/02/2007 |
| 7134361 | Flywheel and mounting method for same In order to suppress axial vibration in a crank system, prevent knocking sound, and reduce vibration noise, a flywheel (1) which is mounted onto the crankshaft of an engine (E) is made into a spoked form having an uneven number of spokes (5). This prev... | 11/14/2006 |
| 7024740 | Rotating table apparatus A rotating table apparatus using a cam mechanism and having a higher precision than a conventional rotating table is realized. A rotating table apparatus having a driven shaft supported by a housing and driven by a driving device, and a rotating table which is rotat... | 04/11/2006 |
| 6964213 | Low power, high torque actuator retention A smart actuator and method includes an actuating device adapted to deliver a selected driving torque to a geartrain that is coupled to an output shaft and adapted to selectively convey the driving torque from the actuating device to the output shaft to achieve a se... | 11/15/2005 |
| 6955235 | Torque platform transport device A vehicle transport system including a torque platform with counter-rotating flywheels, whose axes of rotation are parallel to one another, is featured. One or more torque platforms are joined together with a platform rotating mechanism to rotate the platforms relat... | 10/18/2005 |
| 6892608 | Turning disc intermittent rotary mechanism A turning disc intermittent rotary mechanism in accordance with the invention includes at least one top disc flexibly mounted to a bottom seat, wherein at the center of the top disc is provided with a through hole and the bottom surface thereof is provided with slid... | 05/17/2005 |
| 6862786 | Rotating table apparatus A rotating table apparatus using a cam mechanism and having a higher precision than a conventional rotating table is realized. A rotating table apparatus having a driven shaft supported by a housing and driven by a driving means, and a rotating table which is rotati... | 03/08/2005 |
| 6802645 | Escapement for timekeeper The escapement (1) arranged between a motor gear train and a roller (2) to which is attached a sprung balance of a timekeeper, the balance being able to describe an arc of free oscillation and to receive oscillation maintaining impulses, this escapemen... | 10/12/2004 |
| 6789439 | Reciprocal force outputting mechanism A reciprocal force outputting mechanism having a body having a slide slot that contains a slide block, thereby providing for the linear, reciprocal movement of the slide block within the slide slot. The slide block has an elongated opening formed centrally and a row... | 09/14/2004 |
| 6736233 | Electro-mechanical actuator for an adjustable pedal system An actuator including a motor having a drive shaft, and a gear train coupled to the drive shaft, wherein the gear train includes a plurality of output gears and an associated plurality of output ports for providing a mechanical output from the actuator. The gear tra... | 05/18/2004 |
| 6708576 | Escapement for a timekeeper The escapement includes first (3) and second (4) escapement wheels meshing with each other, one of these wheels being driven by the gear train. It further includes a lever (5) capable of receiving the impulses generated alternately by the first ... | 03/23/2004 |
| 6694844 | Apparatus to recover energy through gravitational force A gravity apparatus having a wheel-like, connected, encircling surface, includes an axially horizontal track which has an interior surface which weighted objects contact and are carried around the interior surface. The interior surface is a connected, enc... | 02/24/2004 |
| 6679131 | Cam apparatus and pick and place apparatus utilizing the same There is provided a cam apparatus which operates an output shaft by converting a continuous rotational motion at a constant speed of an input shaft into a complex rotation super-positioning an oscillating rotational motion and a rotational motion at an in... | 01/20/2004 |
| 6637290 | Housing oscillating type cam apparatus, and work shifter using such apparatus A housing (21) which comprises an input shaft (22) and a second output shaft rotatably supported in a housing (21), and a first output shaft (23) rotatably supported to be movable in the axial direction as well as the rotational direction, a first cam mec... | 10/28/2003 |
| 6615690 | Turning disc intermittent rotary mechanism The features of a turning disc intermittent rotary mechanism comprise at least one top disc, a through hole disposed at the center of the bottom disc plane, and the lateral side of the peripheral disc plane of the through hole is formed into a plurality o... | 09/09/2003 |
| 6609736 | Horizontal motor-driven lock A motor-driven lock (2) includes a housing (3), a lock body (4), a motor (5), a transmission device (6) mating with the motor and the lock body, a lid (7), an enclosure (8), and a cover (9). The lock body includes a controller (41) having a gear portion (... | 08/26/2003 |
| 6601470 | Cam mechanism A cam mechanism through which torque applied to an input shaft is converted into the bi-directional rotation and reciprocating axial movement of an output shaft. Two cam elements are utilized, one consisting of a roller gear cam attached to the input shaf... | 08/05/2003 |
| 6382038 | Transmission device A transmission mechanism for transmitting motion with a uniform speed transmission factor between first and second moveable elements comprises a set of cams adapted to rotate with the first moveable element about a revolving axis, and corresponding arrays... | 05/07/2002 |
| 6324943 | Indexing drive having a cam-positioning mechanism Two cam-bearing holders of an indexing drive are bolted to opposed side walls of a housing in such a way that respective positions of the cam-bearing holders are adjustable in a plane orthogonal to an axial direction of the cam shaft along the side walls.... | 12/04/2001 |
| 6295882 | Device for operating display members at signs In a device for operating display members (2) at signs for consecutive, repeated presentation of series of images, the members (2) are operated by a driving gear wheel (9) on a drive shaft (6) through a driven gear wheel (10) for each member (2). The driv... | 10/02/2001 |
| 6276160 | Ice maker with a motor having gears with means to intermittently rotate a gear thereof A motor having gears which transmit rotations of a rotor to an output shaft through a gear mechanism made of gear trains, comprises a gear mechanism provided with an intermittent rotation mechanism including a primary gear which rotates upon receiving rot... | 08/21/2001 |
| 6269568 | Decoration with a variable billboard A decoration with a variable billboard including a decorative hollow base seat in which an energy reserving device is disposed. The energy reserving device includes a coil spring and a handle disposed at the center of the coil spring. The handle extends o... | 08/07/2001 |
| 6259177 | Motion imparting system A motion imparting system for converting rotary motion to linear motion comprises a centrifuge. The centrifuge has a chamber. A quantity of fluid fills a portion of the chamber. A motor imparts a rotary motion about a major axis to the centrifuge and move... | 07/10/2001 |
| 6186014 | Cam mechanism A cam powered mechanism which uses two cam forms, a swing arm, and turret to drive an output shaft with a compound radial and axial movement. An arrangement in which a cam follower is positioned opposite each planar surface of the rectangular spline conne... | 02/13/2001 |
| 6082206 | Motor having gears with means to intermittently rotate a gear thereof A motor having gears which transmit rotations of a rotor to an output shaft through a gear mechanism made of gear trains, comprises a gear mechanism provided with an intermittent rotation mechanism including a primary gear which rotates upon receiving rot... | 07/04/2000 |
| 6009773 | Motion conversion apparatus A motion conversion apparatus having a torque compensation device which is operable to cancel a fluctuation torque, acting on an input shaft due to an inertia load and a fluctuation torque acting on the input shaft due to a frictional load. The motion con... | 01/04/2000 |
| 5979255 | Intermittent rotary motion mechanism for use in an automotive vehicle An intermittent rotary motion mechanism for use in an automotive vehicle includes an electromagnetic device, a member moving in response to selective energization of the electromagnetic device, an intermittent motion mechanism and a window wiper shaft cou... | 11/09/1999 |
| 5966986 | Propulsion system A propulsion system (10) which is designed to be used on a payload platform (90) such as a spacecraft, satellite, aircraft or an ocean vessel. To operate the system (10) electrical power is required. However, during operation the system (10) does not requ... | 10/19/1999 |
| 5960668 | Indexing mechanism using pairs of radially disposed rollers engaged between adjacent cam ribs A roller gear cam index mechanism including a turret having pairs of adjacent rollers radially arranged on a circumference thereof. Each pair of rollers is engaged between adjacent ribs on a globoidal cam. The angle between the line up direction of every ... | 10/05/1999 |
| 5937698 | Centrifugal propulsion system A centrifugal force propulsion device includes an eccentric rotor rotatably mounted to a base via a shaft. The rotor has an aperture therein which is substantially larger than the shaft, such that the rotor is able to rotate at speed away from the shaft, ... | 08/17/1999 |
| 5916324 | Stepping gear mechanism The stepping gear mechanism is provided in particular for motion control of a machine tool turret and comprises two cam plates adapted to be driven in rotation in the same sense about an axis of rotation each and arranged in such manner with respect to a ... | 06/29/1999 |
| 5906134 | Geneva drive mechanism A Geneva drive mechanism includes a Geneva gear having arcuate recesses and radially outwardly opening slots arranged alternately in a circumferential direction thereof, and a driving member having an engaging element for engaging the slots. The driving m... | 05/25/1999 |
| 5903114 | Multi-functional apparatus employing an intermittent motion mechanism A multi-functional apparatus employs a power transmission mechanism for generating intermittent motion having a specific range of motion and angular velocity profile for selectively actuating a mechanical device operably coupled to the power transmission ... | 05/11/1999 |
| 5890400 | Apparatus for generating a propulsion force There is provided an apparatus for developing a propulsion force in a predetermined direction. The apparatus includes an outer frame and an inner frame slidably mounted within the outer frame. The inner frame supports a flywheel which rotates about a shaf... | 04/06/1999 |
| 5831354 | Boot strap propulsion system A bootstrap propulsion system is provided including a housing with a pair of elliptical track assemblies situated side-by-side within the housing and further positioned in a common plane. A moving mass assembly is situated on each of the track assemblies.... | 11/03/1998 |
