Quotables
"The wireless music box has no imaginable commercial value. Who would pay for a message sent to nobody in particular?"
David Sarnoff, American radio pioneer ; 1921
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7534181 | Chain drive with chain wheel and aligned support wheel A chain drive, especially to a camshaft/camshaft drive for a motor vehicle engine, comprising at least two chain wheels and one drive chain. The gear rims of the at least two chain wheels are arranged to be laterally offset to each other in the axial direction. The ... | 05/19/2009 |
| 7174867 | Air-cooled internal combustion engine An air-cooled internal combustion engine includes a cylinder block having a plurality of cylinder bores disposed in parallel to each other, a cylinder head secured to an upper portion of the cylinder block, a crankshaft, two camshafts disposed in a parallel, juxtapo... | 02/13/2007 |
| 7086975 | Serpentine accessory-belt, aggregate, drive arrangement of an engine A serpentine accessory-belt, aggregate, drive arrangement wherein an intake side of an engine block is placed toward the frontal side of a vehicle, and engine accessories are mounted at the right side of the engine in a forward direction of the vehicle, enabling to ... | 08/08/2006 |
| 6652400 | Chain drive for driving two parallel shafts located close to each other A chain drive for driving two adjacent parallel shafts, such as two overhead camshafts in an internal combustion engine, includes a drive chain guided by a drive mechanism and chain wheels mounted on the shafts. The chain wheels are axially offset and ove... | 11/25/2003 |
| 6557444 | Wood lathe with a stepless speed-adjusting unit for a workpiece A wood lathe includes a driving pulley unit disposed around a rotating inner rod, a driven pulley unit disposed around an output shaft that is used to rotate a workpiece, a V-belt unit trained on the driving and driven pulley units, and a speed-adjusting ... | 05/06/2003 |
| 6113509 | Differential planetary belt drive system A media advance system is driven using a fixed-differential, planetary belt drive system. Planetary pulleys, mounted to a mounting structure, orbit a motor shaft as the mounting rotates about the motor shaft. A first planetary pulley is coupled by a drive... | 09/05/2000 |
| 6082513 | Clutch device of a miller A clutch device has a shaft rod, a hollow torsion sleeve, a trip device, an outer toothed gear, an inner toothed gear, and a first belt pulley. The outer toothed gear is disposed on the trip device. The hollow torsion sleeve has a plurality of grooves. Th... | 07/04/2000 |
| 6068566 | Device for driving a childcare apparatus for infants A device for reciprocating a bed or cradle on supporting rods has a driving pulley (1) on a rotational first axle (50) of a driving motor (M) and a first decelerating pulley (2) on a second axle (23). The first decelerating pulley is connected to the driv... | 05/30/2000 |
| 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 |
| 5909075 | Belt transmission and clutch for vehicle accessories A crankshaft-mounted, multiple-speed electromagnetic clutch for driving multiple rotary devices of an engine, the engine having a crankshaft, the clutch comprising: a clutch support plate mounted to the crankshaft; a spring connected to the clutch support... | 06/01/1999 |
| 5846149 | Phased chain assemblies A chain and sprocket system includes a plurality of chains and phased or offset sprockets. The transmission system includes a random or hybrid chain with the offset sprockets. The timing system can include single or dual overhead camshafts, with phasing o... | 12/08/1998 |
| 5827143 | Two belt over-running clutch pulley A variable speed drive device for mounting to a rotatable shaft and being driven by first and second belts. The device includes a first pulley of a first diameter and a second pulley of a second diameter, each engaging one of the belts. The first pulley m... | 10/27/1998 |
| 5690568 | Idler sprocket assembly for a phased chain system A chain and sprocket system includes a plurality of chains and sprockets. The system includes a crankshaft, an idler shaft and two overhead camshafts. The two sprockets on the idler shaft that connect by chain to drive the camshafts are phased or offset w... | 11/25/1997 |
| 5683320 | Engine assembly with belt drive to an engine accessory In an engine assembly including an engine block carried by flexible mounting members on an assembly frame, the engine accessory such as the alternator and compressor are carried on the frame rather than on the engine block itself. The accessories are belt... | 11/04/1997 |
| 5502875 | Continuous drive unit for combers, a drafting arrangement and a coiler can The combing machine has a row of combing heads which are allocated with a drive shaft extending parallel to the longitudinal direction of the row. The combing heads are provided downstream with a drafting arrangement whose cylinders are arranged horizonta... | 04/02/1996 |
| 5163882 | Variable speed drive conversion for bridgeport series one vertical milling machine The present invention relates to a method of retrofitting a Bridgeport Series One vertical milling machine with a variable speed drive unit. The method generally comprises the removal of a drive motor and stepped pulley attached thereto from the pulley ho... | 11/17/1992 |
| 5129863 | Vehicle transmission A transmission for a vehicle allows independent forward, reverse and neutral operation of two independent drive wheels. The transmission includes a gearbox with a pair of output shafts. A transfer wheel with a cylindrical friction surface and a belt pulle... | 07/14/1992 |
| 5061224 | Variable speed bicycle automatic torque converter transmission A fully automatic torque converter transmission is presented that uses a "V" belt with inner teeth that engage mating teeth on a variable pitch pulley core in a low speed high torque state transformable into an infinitely variable higher speed shift mecha... | 10/29/1991 |
| 4993997 | Lugged belt driven linear X-Y positioner A two axis drive lugged belt and lugged pulley drive system driving a driven member independently in two, mutually perpendicular areas with the drive in each direction operational alone or simultaneously for vector movement of the driven member. Both X-Y ... | 02/19/1991 |
| 4941863 | Stepless speed change mechanism in belt transmission device A stepless speed change mechanism in a belt transmission device comprising a first belt passed through a groove in a drive pulley and a first groove in an intermediate pulley, and a second belt passed through a second groove in the intermediate pulley and... | 07/17/1990 |
| 4919598 | Vacuum pumps In an oil free mechanical pump of the type in which two shafts support at least one pair of intermeshing rotors for rotation in opposite angular directions, a flexible drive means in the form of the belt or chain is provided for engaging pulleys or sprock... | 04/24/1990 |
| 4846768 | Variable-speed driving device A variable-speed driving device particularly adapted for an automotive internal combustion engine and associated AC generator. The device includes a driver shaft, such as the crankshaft, a constant-speed-ratio driven shaft, a variable-speed-ratio driven s... | 07/11/1989 |
| 4841789 | Drive system for driving valves and an auxiliary machine of an automotive engine A driving system for driving valves and an auxiliary machine has a gear train for transmitting power of an engine from a crankshaft to a drive shaft, a first belt drive device for transmitting the power from the drive shaft to a camshaft of the engine, an... | 06/27/1989 |
| 4828447 | Transmission assembly and method for using the same A transmission assembly is provided for rotating a driver pulley connected to a belt by a driven pulley such that the two pulleys define an action plane. The assembly includes a rotatable output shaft having one end adapted to be connected to the driven p... | 05/09/1989 |
| 4758206 | Cam shaft drive structure for OHC V-type engine In the case of a cam shaft drive structure in which a cogged belt is passed around a pair of cam shaft pulleys for two cylinder banks of an OHC V-type engine and a crank shaft pulley, it has been widely believed that the tension of the cogged belt resulti... | 07/19/1988 |
| 4718197 | Modular industrial blade grinding and honing machine A heavy duty modular blade strip grinding and honing machine is disclosed. The modular machine is constructed with a required number of grind and hone/strop stations, each having an A-frame base anchored to an underlying concrete mass having a coolant dra... | 01/12/1988 |
| 4712789 | Cycle exercisers A cycle exerciser having a wheel rotatably mounted on a frame and arranged to absorb energy applied to the wheel through a pair of foot pedals and/or a pair of handlebar levers. A pedal-driven main drive shaft is connected to a countershaft through a firs... | 12/15/1987 |
| 4666015 | Power train for front and rear wheel drive vehicle A front and rear wheel drive vehicle having straddle-type seating. A power train is located beneath the seat and between the footpegs of the vehicle. The engine employs parallel output shafts located on either side of the crankshaft to drive power transmi... | 05/19/1987 |
| 4662861 | Two speed accessory drive A two speed accessory drive (10) comprising an input unit (20) and a remotely positioned output unit (100) connected by a plurality of belts (108,100). The input unit is adapted to be driven by a remotely positioned driving member (102). The output unit, ... | 05/05/1987 |
| 4573583 | Fruit sizer A fruit sizer employs an in-feed chute which divides fruit among a plurality of sizing runs evenly. This is accomplished by locating the apices of the dividers with respect to a grade table, or other feed mechanism, so that the fruit is divided evenly. A ... | 03/04/1986 |
| 4457086 | Snowblower having improved auger and traction drive control A snowblower is disclosed having an engine, a friction disc rotatably driven by the engine, the friction disc including a friction surface and being rotatable about a first axis, a driven disc rotatable about an axis transverse to said first axis, the dri... | 07/03/1984 |
| 4377260 | Roller mill drive A roller mill has two pairs of parallel rolls, each pair comprising fast and slow rolls driven in opposite directions. In a flour mill, wheat is ground between each pair of rolls to produce flour. A drive motor drives a first one of the fast rolls through... | 03/22/1983 |
| 4296717 | Drive arrangement for auxiliary aggregates of an internal combustion engine A drive arrangement for auxiliary aggregates of an internal combustion engine, especially for motor vehicles is constructed as a two-speed drive, that is at operation of the internal combustion engine at low speeds the auxiliary aggregates are driven from... | 10/27/1981 |
| 4259810 | Transit vehicle door control apparatus There is disclosed a door motion control apparatus for the passenger entry and exit doors of a mass transit vehicle, which passenger entry and exit doors are opened by a drive motor when the vehicle is stopped at a desired location for passenger entry and... | 04/07/1981 |
| 4255879 | Snow blower dead man control A mechanical dead-man type control for the snow blower auger and wheels but without killing the engine.... | 03/17/1981 |
| 4240368 | Motorized drive for a sewing machine including belt tensioning means A module including a frame which supports a motor, reduction gearing and a belt driving pulley is mounted in a sewing machine for position adjusting movements in one direction effective to set tension in a shaft timing belt, and position adjusting movemen... | 12/23/1980 |
| 4198833 | Controlled slippage, limited torque transmission A controlled slippage, limited-torque transmission comprises a driving member, a driven member spaced therefrom, and a transmission belt wrapped about the members to transmit torque from the driving member to the driven member. An annular split slippage m... | 04/22/1980 |
| 4188837 | Fuel economizing drive system for naval and merchant ships The system permits selective combining of one of a plurality of prime movers with a plurality of propeller shafts by means of a transverse chain drive between the propeller shafts to enable efficient multi-screw ship operation with one engine.... | 02/19/1980 |
| 4103846 | Film web handling mechanism A film web handling mechanism includes a motor for driving the mechanism, and an endless belt for transferring the motor drive to a supply pulley, a take-up pulley and a shuttle-shuttle drive pulley. The supply pulley and the take-up pulley are connected,... | 08/01/1978 |
| 4090348 | Spinning or twisting machine ring drive In a spinning or twisting machine in which the ring positioned about each spindle and bobbin is carried rotatably by the ring rail. A traveler is carried by each ring. A wheel is located next to each ring. An endless drive belt extends between each ring a... | 05/23/1978 |
