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| Number | Title | Issue Date |
| 7886634 | Automatic transmission arrangement for a motorcycle A powertrain for a motorcycle includes a torque converter having an input and an output with a fluid coupling between the input and output, a gear train between the torque converter output and the rear wheel of the motorcycle, and an intermediate gear assembly that ... | 02/15/2011 |
| 7484437 | Transmission unit particularly for driving the screw feeders and auxiliary user devices of mixing trucks A transmission unit particularly for driving screw feeders and auxiliary user devices of mixing trucks, comprising an off-center distribution device, which can be associated with an external power take-off and forms couplings for the connection of auxiliary user dev... | 02/03/2009 |
| 7389712 | Bi-directional two mode input, uni-directional single mode output drive train A gear and clutch cluster receives rotational input from a bi-rotational input gear. The gear and clutch cluster produces rotational output in a driveshaft of a drive train in a single direction for both rotation directions of the bi-rotational input. ... | 06/24/2008 |
| 7309208 | Turning gear drive system A clutch assembly for a turning gear includes an overspeed clutch, an output shaft, and a centrifugal clutch. The overspeed clutch is disposed at the input shaft. The output shaft is in mechanical communication with the input shaft via the overspeed clutch. The cent... | 12/18/2007 |
| 7217213 | Additive gearshift with differential gears This invention is a mechanical gearbox for every vehicle or machinery that needs one. It works on the grounds of the differential gear as a way to obtain mechanical addition or subtraction of the motion of two different shafts. Inside this mechanism an input-shaft-m... | 05/15/2007 |
| 7171873 | Tensionless power ratchet wrench assembly A power ratchet wrench assembly having a tensionless head wherein operation of the ratchet mechanism does not require a tensioning means for applying a frictional force against the ratchet mechanism to inhibit rotational movement of the ratchet mechanism. In one emb... | 02/06/2007 |
| 7168340 | Ratchet wrench having constant drive Ratchet wrenches are provided that allow for drive on both the forward and return strokes of the ratchet handle. A combination ring gear, sun gear and planetary gear system is used in combination with a drive pawl arrangement to achieve power drive in both direction... | 01/30/2007 |
| 7134161 | Mechanical broom A sweeper comprising a main wheel being capable of spinning in both a counterclockwise and a clockwise direction in response to the broom being moved backwards or forwards. The sweeper has a brush wheel driven by the main wheel and being capable of spinning in one d... | 11/14/2006 |
| 7059217 | Tensionless power ratchet wrench assembly A power ratchet wrench assembly having a tensionless head wherein operation of the ratchet mechanism does not require a tensioning means for applying a frictional force against the ratchet mechanism to inhibit rotational movement of the ratchet mechanism. In one emb... | 06/13/2006 |
| 7004298 | Cone clutch mechanism A clutch mechanism of the type constituted by a toothed wheel (3) driven by an endless screw (12), this wheel (3) being securable to a driven shaft (15) via two friction cones (5) disposed coaxially to the axial bore of the toothed... | 02/28/2006 |
| 6971278 | Manual multi-ratio tension-applying device A tension applying device including a housing in which are mounted a primary shaft, a main shaft, a pinion shaft, and a load-member sheave shaft. A ratchet handle is associated with the primary shaft for imparting rotation thereto when pumped by a user. Rotation of ... | 12/06/2005 |
| 6942215 | Paper transferring mechanism utilizing a swing gear and controlling method thereof The paper transferring mechanism includes a drive gear coaxially coupled with a rotation shaft of a motor, a pick-up gear coupled with a shaft of a pick-up roller to separately feed the paper sheets, and a feed gear coupled with a shaft of a feed roller to outwardly... | 09/13/2005 |
| 6931954 | Power transmission device A power transmission device includes a pair of gear assemblies and an idle. Each of the gear assemblies includes a first gear having continuous external teeth on a peripheral wall and a second gear having continuous external teeth on a peripheral wall. The first gea... | 08/23/2005 |
| 6932734 | Planetary gear apparatus A planetary gear apparatus that includes a pair of internal ring gears (24a, 24b) interconnected to be driven together, a pair of planetary gear assemblies (25a, 25b) each associated with a respective internal ... | 08/23/2005 |
| 6923095 | Tensionless power ratchet wrench assembly A power ratchet wrench assembly having a tensionless head wherein operation of the ratchet mechanism does not require a tensioning means for applying a frictional force against the ratchet mechanism to inhibit rotational movement of the ratchet mechanism. In one emb... | 08/02/2005 |
| 6860726 | Dual drive for hydraulic pump and air boost compressor A dual drive system for a hydraulic pump and an air boost compressor is provided. Reversible power is transmitted to a shaft connected to clockwise and counterclockwise over-running clutches connected to different vehicle or equipment subsystems. Reversing the drive... | 03/01/2005 |
| 6802234 | Transmission mechanism of drilling/milling tool Transmission mechanism of drilling/milling tool, including a motor capable of forward and backward rotating. The motor has a transmission shaft for transmitting the power to the transmission mechanism. The transmission mechanism further includes a movable slide gear... | 10/12/2004 |
| 6626751 | Compact dual power transmission mechanism for a coin hopper The present invention provides a compact transmission assembly for use in a coin storage and dispensing apparatus. The transmission assembly can connect the rotational output of a reversible electrical motor to a link unit that supports a switching gear u... | 09/30/2003 |
| 6609440 | Structure of a variable transmission device A structure of a variable transmission device includes an input shaft driven by a motor to perform alternate rotation having a gear on a middle portion, an output shaft having a pair of gears secured to the upper and lower ends respectively and a speed ch... | 08/26/2003 |
| 6523437 | Device having a motor and having a controllable intermediate transmission gear for driving a plurality of drive wheels of the device A device (1), particularly a facsimile apparatus, has a reversible motor (26), an intermediate transmission gear (29) which is drivable by the motor (26), and three drive wheels (44, 48, 51) which are drivable with the aid of the intermediate transmission... | 02/25/2003 |
| 6499576 | Dual gear train for ink jet printer A stepping mechanism comprising a motor, a motor gear connectable to the motor and rotatable by the motor, a first one-way clutch and a second one-way clutch when the motor rotates the gear in a first direction so as to operate the first one-way clutch in... | 12/31/2002 |
| 6484608 | Method and apparatus for providing two axis motion with a single drive device There is disclosed a two-axis positioning mechanism including a single motor to control the position of two orthogonal axes. The motor is in communication with a first drive system to control the position of one axis and a second drive system to control t... | 11/26/2002 |
| 6390409 | Roll stand transmission device to control web tension A roll stand with a frame, a holder arm arranged in the frame, a shaft for the holder, a holder, a motor, and a transmission agent. The transmission agent includes a first and second toothed wheel mounted on an incoming shaft, which is arranged to be driv... | 05/21/2002 |
| 6383108 | Apparatus for changing direction of driving force for bicycles An apparatus for changing direction of driving force for bicycles, more particularly, an apparatus for changing direction of driving force for bicycles, which can travel bicycles forward by pedaling rearward as well as by pedaling forward, is provided. Th... | 05/07/2002 |
| 6353957 | Floor maintenance machine including gearbox arrangement A gearbox arrangement couples an input shaft to an output shaft whereby the output shaft is driven by the input shaft in a constant rotational direction but at two different rotational speeds depending upon the particular direction of rotation of an input... | 03/12/2002 |
| 6142904 | Apparatus for changing direction of driving force for bicycles An apparatus for changing direction of driving force for bicycles, more particularly, an apparatus for changing direction of driving force for bicycles, which can travel bicycles forward by pedaling rearward as well as by pedaling forward, is provided. Th... | 11/07/2000 |
| 6017046 | Wheelchair apparatus The invention comprises a drive system for use in association with a wheelchair. The drive system includes at least one input gear system, a structure for powering at least one input gear system, at least one transfer gear system, a positioning member, an... | 01/25/2000 |
| 5970822 | Unidirectional output from bi-directional inputs bicycle transmission A reversible drive device for bicycles, allowing a bicycle to go forward by a normal or reversed rotating force of a pedal without forcing a user to operate any lever, is disclosed. The drive device has a simple construction with a reduced number of parts... | 10/26/1999 |
| 5957802 | Apparatus for changing rotation of pedal shaft for bicycle An apparatus for changing rotation of a pedal shaft for a bicycle is provided, in which forward and rearward driving forces of the pedal shaft are convertible without a load, by indirect coupling, and the bicycle can be pulled rearward under the setting c... | 09/28/1999 |
| 5954614 | Apparatus for changing power direction for bicycle An apparatus for changing power direction for a bicycle is provided, which can travel the bicycle forward all the times, and simultaneously idle the bicycle, and transmit the driving force to a pedal shaft, thereby pulling back the bicycle without reverse... | 09/21/1999 |
| 5881609 | Reversing-input bidirectional-output longitudinally-slideable-shaft A reversing-input bidirectional-output drive mechanism having a single one-piece drive-shaft serving as the input and the output and mounted by a first pair of cylindrical one-way roller-clutches arranged in-line and caused to alternately clutch only the ... | 03/16/1999 |
| 5765440 | Double-acting dynamic back clearance relief driving system The present invention relates to a double-acting type dynamic back clearance relief driving system having two sets of worm shafts coupled with a worm gear, one worm shaft set acting as a prime mover worm shaft and the other acting as a displacement contro... | 06/16/1998 |
| 5690287 | Fishing reel with rotational independence of spool and handle A fishing reel includes a pair of side frames, a spool shaft, which is rotatably supported to the side frames, one end of the spool shaft protrudes sidewards from the adjacent side frame, and a spool carried on the spool shaft between the side frames. A h... | 11/25/1997 |
| 5662009 | Drive mechanism providing an oscillatory-rotational-drive input and a reversible rotational-driven-output A drive mechanism provided with a forward and reverse input and a forward and reverse drive whereby a single output-member is caused to produce forward drive from forward-rotation, reverse-rotation and oscillatory-rotation applied to a single input-member... | 09/02/1997 |
| 5630347 | Pharmaceutical dispenser for dispensing a variable and predetermined number of tablets or similar products packaged in a blister band The device includes dispensing units, each of which features a pair of counter-rotating rollers, between which there is inserted the end of a blister band unrolling from a reel and pushed toward a delivery opening. A blade moves vertically and cooperates ... | 05/20/1997 |
| 5623851 | Transmission for electric vehicle A transmission for an electric vehicle that allows forward movement in a first shift stage with hydraulic pressure failure and permits forward and rearward towing. The first shift stage of the transmission T is established by a main first-shift gear 19 wh... | 04/29/1997 |
| 5609074 | Unidirectional register for electricity meter A unidirectional register apparatus includes an input gear mechanism adapted to receive a rotational input from an external source; and a yoke, operatively coupled to the input gear mechanism, and arranged to pivot between a first predetermined position a... | 03/11/1997 |
| 5588328 | Gear mechanism improved to remove backlash A gear mechanism comprises a housing, an input gear of helical gear supported by the housing for rotation in first and second rotational directions and adapted to be connected to a rotational power source, an output gear of a helical gear supported by the... | 12/31/1996 |
| 5557987 | Shifting device for a turning gear transmission with automatic transmission-ratio change for a change in direction of a driving shaft Shifting device for a turning gear transmission having an automatic change of transmission ratio when a change in direction of a driving shaft occurs, including two driving gearwheels disposed coaxially with respect to the driving shaft, the driving gearw... | 09/24/1996 |
| 5531651 | Differential gear system using the change in input direction to control the output speed ratio A differential motion gear system that controls the output speed ratio by changing the revolving direction of the input shaft. Different embodiments produce different combinations of output direction and output speed ratio.... | 07/02/1996 |
