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| Number | Title | Issue Date |
| 8083622 | Systems and methods for automatic belt tensioning in low speed, low volume fluid recovery operations Systems and methods for automatic belt tensioning in low speed, low volume fluid recovery. A required amount of tension is maintained across the recovery system's belt driven components under changing torque loads and operating speeds. This is accomplished by adjust... | 12/27/2011 |
| 7357758 | Treadmill A treadmill is provided that has a treadmill drive motor carriage that can pivot relative to a frame of the treadmill such that the incline of the treadmill can be controlled while the carriage can be moved to a position that permits upright storage of the treadmill... | 04/15/2008 |
| 7225698 | Modular transmission The invention relates to a modular transmission that can be combined with a drive module having an output shaft. The modular transmission comprises at least one worm-gear module that can be coupled directly to the drive module output shaft by an insertable clutch an... | 06/05/2007 |
| 7070526 | Accessory drive for driving a balance shaft An engine accessory drive that has a primary drive driveable by a crankshaft of the engine is disclosed. The accessory drive includes a rotational member mounted on a drive shaft and driveable by the primary drive, the drive shaft having an axis of rotation offset f... | 07/04/2006 |
| 7059982 | Utility machinery and associated control arrangements A power transmission device for utility machinery is disclosed, the device including: a) a sleeve supporting a first sheave member having a first face; b) a hub received through said sleeve and moveable axially in relation thereto, said hub... | 06/13/2006 |
| 7040441 | Motorized vehicle and manufacturing methods therefor Disclosed is a vehicle consisting of a bike frame having front and rear forks, a front wheel attached to the front fork, a rear wheel attached to the rear fork, and a drive train including a crank attached to the frame, a chain ring assembly attached to the crank, a... | 05/09/2006 |
| 6929276 | Mechanism for driving bicycles Improved mechanical structure for increased efficiency in the transfer of the peddling force applied to a pedal crank assembly to the rear wheel of a bicycle is disclosed. This structure increases efficiency by decreasing the loss of exerted energy when peddling at ... | 08/16/2005 |
| 6875140 | Engine auxiliary unit driving equipment Engine auxiliary unit driving equipment for transmitting an engine driving force from a crank pulley to a plurality of engine auxiliary units include an alternator and a driven poly-V pulley, provided at least in the alternator, has a plurality of grooves extending ... | 04/05/2005 |
| 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 |
| 6282873 | Belt tension mechanism A belt tension mechanism for tensioning an associated belt drive system on an associated vehicle is provided. The associated belt drive system includes a double stacked pulley, a first belt for providing power from a power mechanism to the double stacked ... | 09/04/2001 |
| 6165089 | Transmission apparatus and method A transmission apparatus includes a chain operatively engaged with a driver sprocket assembly and a driven sprocket assembly, a tensioner bracket including a roller engaged with the chain, a tensioner rod including a plurality of spaced apart flange porti... | 12/26/2000 |
| 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 |
| 6120401 | Belt tension mechanism A belt tension mechanism for tensioning an associated belt drive system on an associated vehicle is provided. The associated belt drive system includes a double stacked pulley, a first belt for providing power from a power mechanism to the double stacked ... | 09/19/2000 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 5979924 | Crank assembly for a bicycle A crank assembly for a bicycle uses a plurality of auxiliary sprockets and chains to achieve high ratios of wheel speed to pedal-rotation speed. The compact crank assembly is especially well suited for use on full-suspension bicycles, as high gear ratios ... | 11/09/1999 |
| 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 |
| 5938551 | Variable tension pulley system The variable tension pulley system including a drive pulley, a slave pulley, a belt interconnecting the drive pulley and slave, a tensioner assembly positioned between the drive pulley and the slave pulley and in engagement with the belt. The tensioner as... | 08/17/1999 |
| 5913741 | Bicycle with three bottom bracket shells and gearing system A "Unique" bicycle is basically a bicycle having three bottom bracket shells namely, a first bottom bracket shell (70) for the crankset (57), located at the down tube (40), a second bottom bracket shell (72) for the first converter (FIG. 6) located at the... | 06/22/1999 |
| 5832703 | Twin engine riding lawn mower A lawn mower is powered by two vertical shaft engines mounted on the chassis and equispaced about the longitudinal axis of the chassis. A vertical drive shaft is rotatably mounted on the longitudinal axis of the chassis. The outputs of both vertical shaft... | 11/10/1998 |
| 5830094 | Transmission for converting rotary motion into linear motion A transmission for reducing the pulley ratio between a drive shaft and a transmission shaft. The transmission is adapted to convert a higher speed rotary motion to a lower speed linear motion. The transmission has two pulleys rigidly mounted together on a... | 11/03/1998 |
| 5788837 | 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... | 08/04/1998 |
| 5730672 | Cutting metal-working machine A stepless speed change device for cutting metal-working machines includes a drive gear set, a driven gear set, an intermediate gear set and two transmission belts. Each gear set includes an upper disk and a lower disk which are inter-engageable, and a re... | 03/24/1998 |
| 5649844 | Dual drive for power boats A drive system for a boat having a hull with an inboard motor and two spaced drive units mounted in the hull, including a dual drive package having a housing with first and second output shafts mounted in bearings in the housing and an input shaft mounted... | 07/22/1997 |
| 5601223 | Cable transporting and turning device At least two transporting and take-off rollers (2, 2') interact for the gripping of a cable (1) to be transported. The axes of rotation (3, 3') of the transporting and take-off rollers are each rotatably arranged on a cantilever arm (7, 7') capable of swi... | 02/11/1997 |
| 5429015 | Two degree of freedom robotic manipulator constructed from rotary drives A two degree-of-freedom robot manipulator is constructed from two rotary drives of prior invention. Each rotary drive consists of a relatively small diameter cylindrical driving member and a relatively larvae diameter cylindrical driven member coupled by ... | 07/04/1995 |
| 5154574 | Gearless air motor A gearless air motor utilizes a high speed rotor having turbine buckets defined in epoxy rather than metal to substantially avoid the danger inherent in high speed rotor fragmentation. The unit has a housing which contains the compressed air chamber, the ... | 10/13/1992 |
| 5139469 | Exercise machine and transmission therefor An exercise machine and transmission for converting first and second rotary inputs into a single rotary output. The machine has a first input shaft, a second input shaft coupled to the first shaft, and a shell. The shafts are mounted to the shell on a com... | 08/18/1992 |
| 5122097 | Apparatus for pre-spinning a container An apparatus (40) for pre-spinning a container (44) to be treated on an external surface by a treating surface (66) of a rotating treatment device (68) is provided. The apparatus (40) comprises a first circular drive mechanism (50) which is selectively co... | 06/16/1992 |
| 4862766 | Device for driving a can plate of a spinning preparation machine A device for driving a rotatable can plate of a spinning preparation machine. The device includes a drive gear, a driven gear engaged by and driven by the drive gear for rotation in a direction opposite to the direction of rotation of the drive gear, an i... | 09/05/1989 |
| 4832663 | Method and apparatus for changing wind ratio on precision winder A timing gear belt and pulley drive apparatus for a precision winder characterized by permitting a change in wind ratios by varying the speed ratio between the winder traverse assembly and the winder chuck assembly without the removal and replacement of g... | 05/23/1989 |
| 4826191 | Bicycle or tricyle A velocipede such as a bicycle or tricycle includes a drive sprocket mounted on a frame for adjustment between a plurality of positions defining an arcuate path having an axis of curvature. A second sprocket is rotatably mounted on the axis and is coupled... | 05/02/1989 |
| 4721494 | Drive transmission structure for tractor A drive transmission structure for a tractor comprising a belt drive system for transmitting power from an engine output shaft to a transmission having a brake mechanism. The belt drive system includes a belt type stepless change speed mechanism having a ... | 01/26/1988 |
| 4705493 | Transmission mechanism for gymnastic bicycle An improved transmission mechanism for a gymnastic bicycle, in which the loaded fly wheel is mounted on the same shaft of the driving wheel, being in parallel with the same. The mechanism also comprises a set of transmission wheels so as to have the rotat... | 11/10/1987 |
| 4666090 | Roll drive for chocolate refining machines A refining roll drive for chocolate refining machines, wherein motion is transmitted by means of straight-cog pulleys and cogged drive belts. Two drive motors are provided, one on each side of the machine. One motor drives the odd-located rolls, and the o... | 05/19/1987 |
| 4664646 | Treadmill motor drive An efficient, narrow profile treadmill motor drive has a thin motor, a two-stage speed reduction using an intermediate countershaft between the motor and drive roller, a dual belt drive for the drive roller which reduces bearing stress, a support base of ... | 05/12/1987 |
