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| Number | Title | Issue Date |
| 7357195 | Power tool and gear unit assembled therein A power tool including a gear unit provided with a load moderating mechanism capable of reducing noise and prolonging service life. A coupling is force fitted with a spindle at a predetermined pressure allowing the spindle and the coupling to rotate relative to each... | 04/15/2008 |
| 7331895 | Composite planetary device A composite planetary speed reduction device (1), wherein gears (11), (12), and (13) and rollers (21), (22), and (23) forming a planetary gear speed reduction mechanism (10) and a planetary roller speed reducti... | 02/19/2008 |
| 7310988 | Drive device for a mechanical press The invention provides a drive device for a mechanical press with a two-step speed reduction mechanism for driving a slide of the mechanical press and includes a drive pinion provided concentrically with a crankshaft, a main gear mounted on said crankshaft, intermed... | 12/25/2007 |
| 7302873 | Angle drive with power distribution An angle drive having a housing (11) with a first axis (A1) for bearing means and a second axis (A2) for bearing means, which latter axis (A2) intersects the first axis (A1) at right angles, having an input shaft | 12/04/2007 |
| 7291088 | Method for effecting low-loss torque transmission in planetary gears The invention relates to a method for effecting torque transmission in a single-stage planetary gear comprising 2-6 planet units. The arrangement and the interaction of individual gear elements in conjunction with a method for mounting and adjusting them result in a... | 11/06/2007 |
| 7244214 | Speed change device and steering system A speed change device has an input member rotatable in opposite directions to transmit higher torque as its rotation angle becomes larger, and a variable angle-ratio change mechanism including rollers and teethed wheels that are arranged in parallel to each other. T... | 07/17/2007 |
| 7242418 | Thermal transfer printer A thermal transfer printer includes a sheet feed roller and a pinch roller cooperating to reciprocate a sheet, a motor providing the sheet feed roller with drive force, a thermal head 6 performing thermal transfer, and a controller controlling a series of ope... | 07/10/2007 |
| 7225699 | Gear drive mechanism with anti-rattle device A gear drive mechanism with two rotary gears meshing with each other has a first friction rim surface rotationally coupled to one of the two gears and a second friction rim surface rotationally coupled to the other of the two gears. The friction rim surfaces are in ... | 06/05/2007 |
| 7207917 | Transmission device comprising an eccentric power transmission axle that is disposed on the bearing axle There is described in particular a planetary gear which as is normal has a sun wheel (1), a ring gear (2) and at least one planet wheel (3). According to the invention, the planet wheel (3) is mounted rotatably on a bearing axle (10 | 04/24/2007 |
| 7204782 | Axle assembly An axle assembly including a housing, a tire supporting hub mounted for rotation with respect to the housing, a drive axle and a planetary unit for coupling the drive axle to the tire supporting hub. The planetary unit includes a sun gear, at least one planet gear a... | 04/17/2007 |
| 7201700 | Geared rotary actuators A geared rotary actuator including first and second adjacent, axially aligned actuator slices, each slice having an epicyclic-type reduction gear train including a rotatable input sun gear, a planetary gear assembly driven by the sun gear, and first and second outpu... | 04/10/2007 |
| 7182504 | Drive apparatus for a multi-shaft extruder rotating in a same direction A drive apparatus for an extruder with at least two co-rotating extruder screws having driveshafts includes a housing and a drive motor which is received in the housing and including a stator and a rotor. The rotor is operatively connected to driveshafts of the extr... | 02/27/2007 |
| 7165474 | Torque dividing gear drive system and method of driving an output gear A torque dividing gear drive system, a method of driving an output gear, and a method of evenly dividing an output torque between three gears is provided. The torque dividing gear drive system that is provided has a first gear driven by an engine, a second gear coup... | 01/23/2007 |
| 7155793 | Method for producing a load sharing arrangement of planet pinions and gears for a Ravigneaux gearset The method includes the steps of determining a number of gear teeth for each gear and pinion that, in combination, would produce desired gear ratios. Current gearset parameters including distances and angles relating the positions of the gears and pinions are determ... | 01/02/2007 |
| 7144226 | Centrifugal compressor having a flexible coupling This compressor unit comprises a motor (34) and at least one compressor (44) comprising a driven shaft (54) driven by the rotor of the motor and bladed wheels fitted on the driven shaft (54), the assembly composed of the motor and the com... | 12/05/2006 |
| 7124854 | Transmission device of vehicle A transmission device of a vehicle is equipped with a shaft, a driven wheel with internal gear teeth defined thereon mounted to the shaft center thereof, and a small driving gear with outer gear teeth defined thereon in mesh with the internal gear teeth of the drive... | 10/24/2006 |
| 7101236 | Marine propulsion unit A marine propulsion unit utilizing a turbine engine is provided as a drop-in module. The propulsion unit includes a base which forms a part of the hull. The propulsion unit includes a drive unit which is mounted to the engine. Both the engine and the drive unit are ... | 09/05/2006 |
| 7100468 | Split torque gearbox A split torque gearbox having multiple input shafts. Each input shaft is connected to two face gears. Each face gear is connected to two quill shafts, one is coaxially mounted and the second is not coaxially mounted. Of the two quill shafts, one is positioned on a f... | 09/05/2006 |
| 7096779 | Calender arrangement A vertical calender arrangement comprises a controllable-deflection top roll, a controllable-deflection bottom roll and intermediate rolls arranged between top and bottom rolls. The top roll and the bottom roll are each provided with a power drive. ... | 08/29/2006 |
| 7070536 | Gearing device having noise reducing structure A gearing device includes two gear members each having a number of teeth engaged with each other, to form various kinds of gear transmission structures or gearing or coupling devices. One of the gear members includes a peripheral groove formed in inner or outer port... | 07/04/2006 |
| 7069802 | Distributed power train (DGD) with multiple power paths An electric power-generating device with a rotor turned by an external source of energy, such as wind or water currents. The rotor is coupled to a main shaft. A pair of bull gears is located on the main shaft. A number of intermediate gears are located around a peri... | 07/04/2006 |
| 7032488 | Device for supporting a material web A support for a material web for use with a longitudinal cutting device for cutting the material web, includes a support shaft having an axis of rotation. At least one bearing mechanism positions the at least one support shaft, wherein the at least one bearing mecha... | 04/25/2006 |
| 7010995 | Bevel gear with annular housing The invention relates to an angle drive having a drive housing (51) with a first axis (A1) for bearing means and with a second axis (A2) for bearing means, which latter axis (A2) is aligned radially relative to the first axis ... | 03/14/2006 |
| 6997076 | Gear backlash elimination and adjustable gear backlash mechanism The gear mechanism for minimizing backlash may include a convoluted spring positioned between an external spline of a gear or shaft and an internal spline of a gear. The gear mechanism may include a cam and cam follower arrangement upon two adjacent gears positioned... | 02/14/2006 |
| 6994651 | Epicyclic gear system An epicyclic gear system has a sun gear, a ring gear, and planet gears between the sun and ring gears. In addition, it has a carrier including a carrier flange offset axially from the planet gears and carrier pins that project from the flange into the planet gears, ... | 02/07/2006 |
| 6964155 | Turbofan engine comprising an spicyclic transmission having bearing journals A planet gear journal for an epicyclic gear system is asymmetrically formed to compensate for carrier twist. The asymmetry may be between a pair of opposed outwardly open annular channels inboard of a bearing surface of the journal. A particular application is the p... | 11/15/2005 |
| 6912926 | Gear transmission The invention relates to a gear transmission comprising a first shaft, an intermediate shaft which is parallel to the first shaft, a first cylindrical pinion and a second cylindrical pinion for coupling the rotation of the first shaft and the intermediate shaft, a t... | 07/05/2005 |
| 6902448 | Marine propulsion unit A marine propulsion unit utilizing a turbine engine is provided as a drop-in module. The propulsion unit includes a base which forms a part of the hull. The propulsion unit includes a drive unit which is mounted to the engine. Both the engine and the drive unit are ... | 06/07/2005 |
| 6902452 | Marine split bearings with right angle removeable grooved retainer covers A sternpost or strut bearing assemblage is disclosed having a flat mounting plate integrally formed with a pair of separated collars, which collars have their centers longitudinally aligned with each other to receive a vessel's drive shaft. A pair of opposed split b... | 06/07/2005 |
| 6889572 | Power-split angular gear An angle drive having a housing (11) with a first axis (A1) for bearing means and a second axis (A2) for bearing means, which latter axis (A2) intersects the first axis (A1) at right angles, having an input shaft | 05/10/2005 |
| 6868748 | Compound gear joining A compound gear assembly includes two gears, each gear respectively including interlocking features, which may be complimentary arcuate sections, for transferring torque between the gears. A clearance between the respective arcuate sections permits the gears to move... | 03/22/2005 |
| 6802230 | Vehicle transmission A transmission for a vehicle having a sub shaft supported in casings via bearings, and an input gear, an output gear, and a boss of a clutch outer, etc. stacked on the sub shaft and retained by a cotter key. The input gear and the output gear are helical gears, and ... | 10/12/2004 |
| 6761082 | Gear drive apparatus with power branching for converting a rotational input into a predetermined rotational output A gear drive apparatus for converting a rotational input provided by a drive device, such as a wind power generator rotor, into a predetermined rotational output for driving rotation of a driven device, such as a generator, includes a large gear coupled to the drive... | 07/13/2004 |
| 6684729 | Toothed gear A toothed gear includes an outer toothed rim 1, a hub 3 and a profiled bridge area 2 connecting the toothed rim 1 and the hub 3 as one piece. The bridge area 2 is connected to the toothed rim and the hub in different planes. The bridge area consists of un... | 02/03/2004 |
| 6634861 | Power plant for propeller aircraft A power plant for propeller aircraft has two propulsion devices, each having a propeller, an engine for powering the propeller, and a gear transmission interposed between the engine and the propeller. The transmission has a power input shaft connected dir... | 10/21/2003 |
| 6622582 | Assembly for limiting axial motion of shaft in an imaging apparatus An assembly for limiting axial motion of a shaft, such as a roller, in an imaging apparatus having a frame, a drive system including a helical drive gear, a shaft supported by the frame and a driven helical gear attached to the shaft and positioned to eng... | 09/23/2003 |
| 6619157 | Fluid actuated system for balancing of loads in multi-path geared transmissions A geared transmission having multiple power paths in which each of the power paths are operatively connected to a fluid chamber. Input gears on each of the power paths are axially moveable on a jack shaft in response to loading on the power paths. A fluid... | 09/16/2003 |
| 6513402 | Multi-speed automotive transmission using paired helical gearing A multi-speed transmission suitable for automotive-type use employs paired helical gears. For each speed of the transmission, at least one pair of helical cut gears is mounted on an input drive shaft for engaging and mating at least one pair of helical cu... | 02/04/2003 |
| 6409414 | Pin for connecting gears to a supporting member, and transmission featuring such a pin A pin for connecting a gear to a supporting member has a first and a second longitudinal end portion connectable to the supporting member; a first intermediate portion extending from the first end portion; and a second intermediate portion extending from ... | 06/25/2002 |
| 6402654 | Compact multi-speed automatic transmission with load sharing and anti-phase gear assembly A split planetary gear assembly is provided having a pair of helical gearsets implemented in a vehicle transmission. The first helical gearset includes a first sun gear, a first ring gear, and a set of first planet gears meshed with the first sun gear and... | 06/11/2002 |
