Did You Know...
...that the video game, Pong, was invented by a guy who graduated at the bottom of his engineering class? Nolan Bushnell spent more time running the games at a local amusement park than he did on his studies at the University of Utah. His dreams of working for Disney's amusement empire were dashed when the company wouldn't hire him. Taking a boring job, Nolan daydreamed about electronic versions of popular games. He invented Pong, the first video game, and went on to found Atari Co.
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| Number | Title | Issue Date |
| 7794346 | Torque transfer device A torque transfer device for efficiently increasing the torque transferred from a drive unit to another device (e.g. transmission, sprocket, etc.). The torque transfer device generally includes a drive unit, a first rotating member rotatably attached to the drive un... | 09/14/2010 |
| 7427248 | Continuously variable transmission Cooling efficiency of cooling air is enhanced and durability of a continuously variable transmission is improved. The continuously variable transmission to be mounted on a vehicle has a transmission case. A primary pulley driven by an engine and a primary pulley lin... | 09/23/2008 |
| 7108623 | Fan idler pulley A fan idler pulley having a threaded hub for attaching a fan shaft. The pulley also comprises a receiving portion for engaging a bearing. The bearing is further engaged with a cup. The entire assembly is mounted by a pin press fit though the cup into a mounting surf... | 09/19/2006 |
| 7101296 | Synchronous rear belt drive system for motorcycles and method of use A synchronous rear belt drive system for belt driven motorcycles and a method of altering the final drive ratio of such motorcycles utilizing the present rear belt drive system is disclosed. The present rear belt drive system provides a plurality of interchangeable ... | 09/05/2006 |
| 7020917 | Radiolucent surgical table with low shadow accessory interface profile A radiolucent surgical table (40) is provided with a low shadow accessory interface profile (70). The interface profile includes a plurality of interconnected curved surfaces formed along the entire outer edge of the patient support member for selectiv... | 04/04/2006 |
| 6964317 | Drive assembly for a high ground clearance vehicle A high ground clearance drive assembly includes a drop box and an articulation drop box. The drop box is fixed to the vehicle frame and the articulation drop box pivots relative thereto as a suspension system is exercised. The articulation drop box is pivotable abou... | 11/15/2005 |
| 6866602 | Belt drive system The present invention is an efficient and durable drive system support that is easy to install and includes a flex plate engagable to a first end and a second end of a drive system, which carries strain applied to the drive system from tension in a drive belt. ... | 03/15/2005 |
| 6859988 | Processor-controlled carving and multi-purpose shaping device One embodiment of the present invention is a compact, low-cost, lightweight, versatile and easy-to-operate, processor-controlled carving and multi-purpose shaping device (“PCCMPS machine”). The PCCMPS machine that represents one embodiment of the present inventi... | 03/01/2005 |
| 6705962 | Relocation device A drive unit of a carriage has a drive wheel and a deflector, offset parallel to a racks both of which are implemented as gearwheels, around which a closed elastic toothed belt with teeth on both sides is guided, whose inner teeth engage with the wheels described an... | 03/16/2004 |
| 6645103 | Belt apparatus for use in a document processing system A belt apparatus is provided for use in a document processing system having a baseplate, a removable bearing assembly connected to the baseplate and having a drive pulley to which a drive belt is drivingly coupled. The belt apparatus comprises a bracket c... | 11/11/2003 |
| 6510828 | Mounting device of cam chain guide To improve a mounting configuration for a chain guide of a cam chain for transmitting power to a power system of an internal combustion engine to make mounting of a chain guide and a cylinder block simple and easy. A mounting device for a cam chain guide ... | 01/28/2003 |
| 6267700 | Cooling system for a vehicle power unit A cooling system for a vehicle power unit has a cooling fan rotated by the rotational force from the crankshaft, in the housing thereof so as to cool the internal space of the housing by introducing air into the housing and discharging the thus introduced... | 07/31/2001 |
| 6250268 | Cam chain guide attachment structure To effectively reduce noise caused by an attachment part of a cam chain guide without increasing a pressing force of a cam chain tensioner more than is necessary. A cam chain guide for slidably guiding a cam chain at a valve gear of a four cycle engine is... | 06/26/2001 |
| 6161445 | Guide sprocket assembly A guide sprocket assembly for use in combination with a non-driven, rotating tail shaft. The guide sprocket assembly includes a lock plate assembly securely fixed to the tail shaft for rotation along with the tail shaft. The lock plate assembly includes a... | 12/19/2000 |
| 6146296 | Multiple speed transmission for connecting an air conditioner compressor of a vehicle to the engine of the vehicle A multiple speed transmission for connecting an air conditioner compressor of an automobile to a prime mover of the automobile. The transmission includes driving apparatus, driven apparatus, and mounting apparatus. The driving apparatus operatively connec... | 11/14/2000 |
| 6139455 | Main rotor drive for a rotary wing aircraft Improvements in the method of power transmission to the main rotorshaft of a specific type of rotary-wing aircraft through the provision of modern drive components specifically adapted to provide enhanced reliability, safety, passenger comfort, performanc... | 10/31/2000 |
| 6093124 | Lockable chain winder A lockable chain winder for opening and closing windows has an internal mechanism which includes a stop member (16) which can be moved to engage with the chain winder sprocket (15) in such a manner that the sprocket (15) can freely rotate on one direction... | 07/25/2000 |
| 6086494 | Raising machine including positively controlled raising cylinders A positively controlled raising cylinder raising machine, having a plurality of raising cylinders, circumferentially arranged on a rotary framework, a toothed driving belt for driving the raising cylinders being engaged with a portion of the toothed circu... | 07/11/2000 |
| 6036611 | Drive mechanism for driving displacement members disposed in tandem A drive mechanism (10, 110) for driving first and second displacement members (12, 14, 112, 114) disposed in tandem. The mechanism includes first and second driven sprockets (16, 18; 116, 118) for respective ones of the displacement members, a hydraulic m... | 03/14/2000 |
| 6030306 | Method for chain meshing phasing on a V-engine camshaft drive to reduce noise A chain drive system for use primarily in automotive timing drives, in particular V-type engines and horizontally opposed engines having a separate chain drive for each bank with coaxial crankshaft driving sprockets, wherein the chain meshing for these dr... | 02/29/2000 |
| 6030305 | Semi-automatic tensioner for a belt drive system A belt tensioning device includes a first element having a threaded opening and a first pulley supported on the first element. The device further includes a second element having an opening in substantial alignment with the threaded opening of the first e... | 02/29/2000 |
| 6022285 | Wheel drive system A wheel drive system using an enlarged flywheel shaft to form an integral drive pulley for a wheel drive.... | 02/08/2000 |
| 6019693 | Method for mounting two auxiliary machines to automobile and power transmission device Two auxiliary machines are mounted in tandem to an automobile and coupled together by a power transmitting device to transmit power of the engine to both of two auxiliary machines. The power transmitting device includes a rotor, a first hub portion adapte... | 02/01/2000 |
| 6019692 | Belt drive device for reducing belt load A belt drive device is constructed by looping a timing belt 14 about a driving sprocket 9, a cam sprocket 11, and a driven sprocket 12 for transmitting a driving force from the driving sprocket 9 to the sprockets 11, 12. A dynamic damper 15, comprising a ... | 02/01/2000 |
| 5992644 | Plastic flight type water treatment system for rectangular clarifiers In accordance with the teachings of the present invention, a waste water treatment system for removing sludge from within a rectangular clarifying tank as provided. The waste water treatment system includes a plurality of sludge collector flights attached... | 11/30/1999 |
| 5976043 | Apparatus for increasing wear life of machine members An apparatus for increasing wear life of machine members includes a shaft assembly mounted on the machine. Also included are two or more power sources eccentrically aligned in relationship to the shaft assembly of the machine to form an acute angle betwee... | 11/02/1999 |
| 5976044 | Cooling structure of belt transmission for vehicle A cooling structure of a belt transmission for vehicles which limits the consumed power for cooling to a minimum and does not deteriorate cooling performance of the transmission. A drive pulley having a variable pitch diameter and a driven pulley which is... | 11/02/1999 |
| 5957796 | Belt guard A cover for a pump jack includes a main rear wall with two slots for engaging over a pair of shafts of the pump jack at the drive belt on the pulleys on the drive shafts. The rear cover portion includes a peripheral wall extending around the sides and top... | 09/28/1999 |
| 5957794 | Continuously variable all speed transmission A continuously variable all speed transmission apparatus employs a conically-shaped driven surface which is frictionally contacted by a taut endless compliant transmission member that extends to a circular power source such as the pedal hub of a bicycle. ... | 09/28/1999 |
| 5954422 | Illuminated slot machine with drive assembly with moveable roller support A drive assembly is constituted by a strip (10) and three or more parallel and rotatable supports (12, 16, 22) around which the strip (10) is wrapped. At least two of the rotatable supports (22) are linked together for common movement, for example by a mo... | 09/21/1999 |
| 5902201 | Positioning device and component placement machine including the positioning device The positioning device comprises a chassis (1) provided with a drive wheel (2), mounted on the shaft of a motor (6), and a reversing wheel (3). The positioning device further comprises a loop-shaped traction member (4) tensioned around the wheels (2, 3). ... | 05/11/1999 |
| 5902202 | Belt tensioning system A belt tensioning system for an appliance, which has a tub driven by an endless loop drive belt connected to a motor that is movable with respect to a tub housing surrounding the tub, includes a rib extending from the tub housing, a pivotal cam washer hav... | 05/11/1999 |
| 5899825 | Drive system for "caterpillar" vehicle A drive system for a "Caterpillar" vehicle has at least one elastic belt track which is driven by a drive gear in accordance with the principle of a frictional connection, and a further gear which is supported coaxially to the drive gear so that the drive... | 05/04/1999 |
| 5836843 | Brace for outer ends of variable pulley drive A pulley brace for mounting between a variable diameter driving pulley which is belt-coupled to a variable diameter driven pulley, the pulley brace consisting of an elongated body having first and second body ends and a central body portion therebetween, ... | 11/17/1998 |
| 5816969 | Driving apparatus for a flatbed scanner A driving apparatus for a double carriage scanner drives the lamp carriage and the optical carriage in tandem. The driving apparatus is located at one side of the scanner housing for ease in assembly and maintenance. It consists of a pulley assembly and a... | 10/06/1998 |
| 5779579 | Pulley assembly for driven shaft A pulley assembly for a driven shaft is disclosed. The pulley assembly includes a pulley to which a turning force is transferred from a driving unit; a sleeve fixedly mounted to a casing of the driven unit through which the driven shaft passes with a clea... | 07/14/1998 |
| 5755635 | Crank device for the transmission of energy with elimination of dead centers, particularly suited for bicycles and the like The pedal cranks (32, 34) on the propulsion group of a bicycle or similar rotate independently with respect to one another around axis (a), which is parallel and spaced at a distance (d) from axis (b) of a chain drive sprocket wheel (28). Each pedal crank... | 05/26/1998 |
| 5752892 | Driving force transmission device and portable working machine using the same The present invention provides a driving force transmission device (P) which is adapted so that the distance (Ls) between the driving force transmission wheels such as a pair of pulleys (16,32) can readily and surely be changed, thereby, making it possibl... | 05/19/1998 |
| 5752893 | Driving force transmitting apparatus for headphone stereo mechanism An improved driving force transmitting apparatus for a headphone stereo mechanism capable of reducing the number of parts necessary for transmitting the driving force is disclosed. The apparatus provides an idler engaged to a motor-side gear for increasin... | 05/19/1998 |
| 5711185 | Door drive with a chain The invention relates to apparatus for driving a door or the like guided in t least two guides using a drive (1) located in a channel formed as a guide track (2) and which consists of at least one turn-around pinion (5), a chain extending over drive pinion... | 01/27/1998 |
