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| Number | Title | Issue Date |
| 8001865 | Electromagnetic shifting device comprising a linear motor An electromagnetic shifting device for a transmission (1) with an electronic control unit (22) and toothed gear wheels (6, 7), which are mounted to rotate on a transmission shaft (2) about an axis (3). To implement a gear stage, th... | 08/23/2011 |
| 7882758 | Transmission and method of up-shifting for transmission The driving force can be transmitted at the time of both acceleration and deceleration in an engaged state where a first engagement face of a strut is forced to protrude inside a cutaway of a gear. The driving force is transmitted at the time of acceleration and the... | 02/08/2011 |
| 7434488 | Transmission for tractor A transmission for a tractor comprises a transmission case having an opening that opens to exterior of the transmission case and a speed change device that is housed in the transmission case. The transmission also includes a cover removably attached to the transmiss... | 10/14/2008 |
| 7055403 | Frictional clutch assembly A clutch assembly has a driving assembly and a transmission assembly. The driving assembly has an input axle and at least one driving gear. The transmission assembly is connected to the driving assembly and has an output axle, at least one driven gear, an inner axle... | 06/06/2006 |
| 7044876 | Bicycle sprocket having lateral protrusions for use in a multiple sprocket assembly A sprocket is adapted to be mounted to a sprocket support that rotates around an axle. The sprocket comprises a sprocket body having a side surface and an inner peripheral surface defining a sprocket-mounting opening, wherein at least one portion of the inner periph... | 05/16/2006 |
| 6978692 | Automated transmission device with torque transfer, in particular for a motor vehicle An automated transmission device with torque transfer having an input shaft (18) that supports drive pinions (20), each of which is engaged with a driven pinion (22) that is mounted freely rotating on a output shaft (12); controlled unidi... | 12/27/2005 |
| 6883395 | Gearbox shift system A transmission shift system for idler wheels comprising at least one actuating device that actuates a respective sliding sleeve non-rotatably connected with a main shaft in order to bring the sliding sleeve to positive fit with an idler wheel to be shifted. It is pr... | 04/26/2005 |
| 6830208 | Gear shift mechanism for fishing reel A fishing reel has high speed and low speed gears that are indexed to one another. They are free to rotate relative to one another on a gear shaft, but cannot move axially relative to one another. This gear set can be translated along the gear shaft, into engagement... | 12/14/2004 |
| 6789441 | Transmission between a motor member and a drive shaft and engine motor provided with such a transmission A transmission between a drive member and a drive shaft (1) of an automotive engine comprising, in a housing (2), a friction clutch constituted by at least one rotatable driving element (3) and at least one driven element coming into bearing con... | 09/14/2004 |
| 6435057 | Transmission structural unit A gear constructional unit with a gear housing is provided. In order to make the effective diameter of the inner gear elements greater, as well as to ensure a simple assembly and exchangeability of the individual gear elements, for example coupling arrang... | 08/20/2002 |
| 6360977 | Change-speed construction for a fishing reel A change-speed construction is adapted for use in a fishing reel, and includes a rotary arm pivotally mounted on a side plate of a reel body at an inner end thereof, a handle unit fixed on an outer end of the rotary arm, and a control shaft mounted on the... | 03/26/2002 |
| 6357312 | Gear wheel construction and gear system incorporating same A gear wheel construction for use in a constant mesh gear box, the gear wheel construction characterized by a single gear wheel (100) provided about a shaft (18) in a rotatable and engageable manner, the gear wheel (100) being divided longitudinally (axia... | 03/19/2002 |
| 6325315 | Change-speed construction for fishing reel A change-speed construction for a fishing rod includes a hollow cylindrical shaft, and a control shaft that is movable within the cylindrical shaft between an outer position and an inner position. A key member is carried on a carrier, which is disposed ax... | 12/04/2001 |
| 6065361 | Gear system with gears selectively locked with shaft A gear system characterized by providing at least one gear-wheel (58a) about a shaft (34), the shaft (34) having as least one pawl member (84) located therein, the or each pawl member (84) being caused to move into and out of engagement with a gear-wheel ... | 05/23/2000 |
| 5992254 | Gear-shifting mechanism controlled and commanded by a governing unit in an automatic controlled way A gear shift mechanism in a transmission connecting a drive source to an output via a clutch. The gear shift mechanism acts on a plurality of gear pairs to select one thereof during a speed change when the clutch is disengaged. The gear shift mechanism ha... | 11/30/1999 |
| 5950490 | Multi-clutched transmission system A multi-clutched transmission system which may be implemented in an automobile or other motor vehicle. A common drive shaft is generally coupled to a number of clutches comprising a number of inner drive portions and a number of outer portions. A number o... | 09/14/1999 |
| 5689998 | Continuous-torque variable-speed transmission A transmission apparatus for changing the speed of a driven member relative to the speed of a driving member for transmitting effectively continuous torque transfer between the members. The apparatus includes cam gears driven by a driving member, driven g... | 11/25/1997 |
| 5611556 | Speed change mechanism A speed change mechanism, principally for use on a bicycle, is provided in which a plurality of driving gears and an associated plurality of driven gears are coupled by a plurality of drive chains, such that each driving gear and its associated driven gea... | 03/18/1997 |
| 5592855 | Transmission shift key A shift key mechanism using a lateral pivot riding on milled ridges on the outer surface of a shift shaft in order to index a spring biased shift key to a gear location.... | 01/14/1997 |
| 5570608 | Power transmission A multiple speed power transmission for coupling to an engine includes a gear box or housing having an input and an output shaft, each rotatably mounted in the housing and extending therefrom. A clutch is coupled to releasably engage the input shaft to th... | 11/05/1996 |
| 5560250 | Variable speed mechanism A variable speed mechanism includes a drive shaft, a plurality of drive gears each fixedly mounted around the drive shaft, a plurality of driven gears each respectively meshing with a corresponding one of the drive gears, a plurality of single direction n... | 10/01/1996 |
| 5542309 | Gearbox This gearbox whose arrangement is derived from that of motorcycle gearboxes, comprises organs according to the invention enabling it to be adapted, in particular for a motor vehicle. The selector shaft (10) which ensures the ratio shift by means of forks ... | 08/06/1996 |
| 5542310 | Continuous-torque variable-speed mechanical gear transmission A transmission apparatus for changing the speed of a driven member relative to the speed of a driving member while providing continuous torque to the driven member. The apparatus includes reducing gears driven by a driving member, annular cam gears in con... | 08/06/1996 |
| 5540456 | Multispeed hub for a bicycle A hub for a bicycle can typically have an axle for being non-rotationally connected to a frame of the bicycle, a hub body rotatably mounted about the axle, and a drive element rotatably mounted on the axle. A plurality of transmission elements can prefera... | 07/30/1996 |
| 5537888 | Constant-mesh manual/automatic transmission A constant-mesh manual/automatic transmission is disclosed. The transmission comprises a set of drive gears and a set of driven gears wherein each of drive gears constantly meshes with its counterpart of driven gears thereby enabling a plurality of the dr... | 07/23/1996 |
| 5445044 | Clutchless mechanical gear transmission A transmission apparatus for changing the speed of a driven member relative to the speed of a driving member without interrupting the torque transfer between the members. The apparatus includes reducing gears driven by a driving member, annular cam gears ... | 08/29/1995 |
| 5404768 | Speed changing arrangement for the bicycle A speed changing arrangement for the bicycle having a changing arrangement mounted on the frame of the bicycle and positioned between the left and right pedals. The speed changing arrangement generally includes: a speeding changing gear set engaging an ou... | 04/11/1995 |
| 5305651 | Mechanical transmission for toy automobiles A mechanical transmission (10) in particular for toy automobiles includes a substantially cylindrical element (19) rotating axially in kinematic connection with the motion output (22) of the transmission. On the cylindrical element (19) there are fitted i... | 04/26/1994 |
| 5214974 | Desmodromic-type change gear The invention relates to a central shaft (7) with desmodromic channels, coaxial and internal to a driven shaft (1), slidable in the two directions and exhibiting a plurality of longitudinal grooves (8) inside which, for every second cogged wheel (2) a cor... | 06/01/1993 |
| 5109722 | Self-detenting transmission shift key A variable speed, draw key transmission having a number of gears of different gear ratios rotatably journalled on a shaft. The shaft includes a keyway containing a slidable key that may be selectively moved between the gears to change the output speed of ... | 05/05/1992 |
| 5076111 | Modular drive axle having a three-speed transmission A modular drive axle having left and right drive wheels and axles that are coupled to a differential. The left and right axles are in line and define a transverse axis. A bevel gear assembly having first and second bevel gears mounted on a drive shaft dir... | 12/31/1991 |
| 5063794 | Shift key having shoulder The present invention is an improved key for an in-line transmission. The key is located within a channel in the shift shaft and selectively engages keyways of gears disposed about the shift shaft. A shift fork and collar axially move the key within the s... | 11/12/1991 |
| 5058447 | Change-speed construction for fishing reel A change-speed construction for a fishing reel. The construction has a cylindrical shaft for transmitting force from a handle arranged at an outer end position, a first gear rotatably fitted on the cylindrical shaft for high-speed winding, a second gear r... | 10/22/1991 |
| 4984478 | Gear drive unit with equalized shift A gear drive unit with an equalized shift is set forth. The gear drive unit is specifically a two-shaft transaxle having multiple forward speeds and at least one reverse speed. The transaxle specifically utilizes an existing transaxle housing originally d... | 01/15/1991 |
| 4867392 | Speed changing device for a fishing reel A speed changing device is provided for a fishing reel, which includes a first low speed gear engageable with a second low speed gear, a first high speed gear engageable with a second high speed gear, a shifter for selectively transmitting rotation of a h... | 09/19/1989 |
| 4841794 | Transmission for self-propelled walking mowers Within a transmission casing (3) having therein a drive shaft (4), driven by an engine (1) through a main clutch (2), and a hollow speed-change shaft (5), a key-shift transmission mechanism (8) is disposed which comprises a plurality of meshing gears (9I-... | 06/27/1989 |
| 4771636 | Transmission apparatus A transmission apparatus includes a straight input shaft, a first group of large and small gears rigidly mounted on the input shaft and adapted to turn with the shaft, a straight transmission shaft installed near and parallel to the input shaft; a second ... | 09/20/1988 |
| 4716777 | Multiple speed transmission for pedal powered vehicles A ten-speed transmission which is located inside the hub of the driving wheel of a pedal powered vehicle, and which includes a pedal drive shaft mounted in bearings on the axis of the wheel, is used to provide a compact, low maintenance alternative to the... | 01/05/1988 |
| 4713983 | Wide range transmission A transmission, especially for use with small tractors and the like, provides a number of higher speed drives, typically associated with mowing, and a number of extremely slow "creep" speed drives to make said tractor more compatible with snow blower and ... | 12/22/1987 |
| 4702119 | Shift mechanism employing gears with built-in ramps Shifting mechanism for shifting gears in a gear box. The gear box has a housing, a gear shaft in the housing, a plurality of gears on the shaft, a shift key movable along the shaft for individually connecting the gears to the shaft, a shift collar positio... | 10/27/1987 |
