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| Number | Title | Issue Date |
| 7311016 | Park lock system The present invention is a method and apparatus for locking a vehicle transmission where at least one directional clutch gear is located on one end of a shaft and a second directional clutch gear and a park flange are located at the other end of the shaft. A single ... | 12/25/2007 |
| 7237380 | Compact actuator A compact electrothermal actuator includes a housing having a longitudinal axis. A slot extends through the housing. A chamber within the housing contains a working fluid that changes phase upon heating. A piston is slidably disposed within the housing and movable a... | 07/03/2007 |
| 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 |
| 6151979 | Gear shifting apparatus The present invention includes a passive shifting apparatus for a marine winch having a plurality of gears thereon. The passive shifting apparatus permits the winch to be rotated in either a clockwise or counter-clockwise direction, and comprises a centra... | 11/28/2000 |
| 5462148 | Vehicle multi-ratio transmission In a vehicle multi-ratio transmission comprising a plurality of change-speed gear trains, including a backward directional gear train, with which synchronizer clutches are associated for actuating same, two multidisc-type synchronizer clutches (12) are em... | 10/31/1995 |
| 5303605 | Automatic transmission for bicycles An automatic transmission for mounting within the rear fork of a bicycle includes a plurality of pairs of constant mesh gears and a plurality of discs. Each disc is concentric with one of the gears in each pair and includes a notch for partially enclosing... | 04/19/1994 |
| 5269194 | Transmission mainshaft thrust washer combination A thrust washer combination employing three thrust washers (28, 70 and 72) is provided for maintaining separation between and for transferring axial thrust to a mainshaft (2) that has been imparted to either one adjacent floating mainshaft gears (12, 18) ... | 12/14/1993 |
| 5226338 | Vehicle compound change gear transmission A vehicle compound change gear transmission is provided that features an auxiliary drive gear (24) carried by a mainshaft (20) having enhanced freedom of radial movement by eliminating all radial contact between a bearing member that resiliently supports ... | 07/13/1993 |
| 5207768 | Transmission thrust washer and locking means therefor An improved elongate key (92) is provided for securing thrust washers to a mainshaft (48) of a transmission (100). Key (92) has a substantially triangular cross-sectional configuration having rounded intersections between adjacent surfaces rendering it ea... | 05/04/1993 |
| 5149308 | Transmission A transmission comprising a change speed mechanism and a differential housed in a transmission case. The change speed mechanism includes drive gears mounted on a transmission shaft, and driven gears meshed with drive gears. The differential includes a dif... | 09/22/1992 |
| 5099712 | Automatic transmission with free-wheeling drive shaft An automatic transmission having a plurality of driving gears which are individually and selectedly placed in driving engagement with a drive shaft dependent upon the speed of rotation of the drive shaft. The method of automatically engaging and disengagi... | 03/31/1992 |
| 5097717 | Gear shift transmission for a motor vehicle A gear shift transmission for a motor vehicle has a transmission housing which comprises an axle housing, an intermediate plate and a housing bell. The input shaft and the output shaft of the gear shift transmission are supported in three places, specific... | 03/24/1992 |
| 4949589 | Transmission mainshaft gear retainer A twin countershaft transmission (100) is provided having axially adjacent floating mainshaft gears such as referenced by numerals (30) and (32) whose axial thrust when engaged is transmitted to the mainshaft (48) rather than to the adjacent gear by means... | 08/21/1990 |
| 4922599 | Method of converting a four speed manual transmission to a five speed transmission An improved transmission for a Volkswagen brand of automobile which has five forward speeds rather than the stock four forward speeds. The transmission uses the vast majority of the parts of the four speed transmission but modifies the four speed transmis... | 05/08/1990 |
| 4901600 | Manual control for extended range splitter type compound transmission A control for an extended range splitter type compound transmission (10) comprising a main transmission section (12) connected in series with a splitter type auxiliary transmission section (14) connected in series with an extended range section (15) is pr... | 02/20/1990 |
| 4771648 | Change-speed transmission for a motor vehicle A change-speed transmission for a motor vehicle which includes as input shafts a central shaft supported in an intermediate plate of the transmission housing and a hollow shaft supported on the central shaft near the intermediate plate. An output shaft fo... | 09/20/1988 |
| 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 |
| 4674358 | Manual with auxiliary transmission A vehicular transmission in which a multiple speed manual transmission of the two parallel shaft type has an auxiliary transmission connected in series between the two shafts for some of the multiple speeds. The auxiliary transmission providing a high spe... | 06/23/1987 |
| 4674346 | Transmission with reverse and fifth speed synchronizer A rotatable reverse gear is supported on a counter shaft. A member rotates and stops as an output shaft rotates and stops respectively. A device matches the rotational speed of the reverse gear to the rotational speed of the member when a transmission is ... | 06/23/1987 |
| 4669326 | Transmission for an automobile A transmission for an automobile including a main shaft driven by and concentric to a main drive shaft driven by an engine and a counter shaft arranged in parallel with the main shaft according to the invention comprises change gears mounted on the main s... | 06/02/1987 |
| 4662242 | Transaxle with multi-stage final drive assembly A transaxle includes a multi-stage final drive assembly with the final drive assembly with a plurality of serial stages. The transaxle has an input, a plurality of gear sets selectively engageable for directing power from the input to the first stage of t... | 05/05/1987 |
| 4660438 | Continuously variable transmission This invention relates to a continuously variable transmission which increases the range of potential transmission ratios and thereby decreases the fuel consumption rate, and which is compact in size and thereby increases space in a passenger compartment.... | 04/28/1987 |
| 4656882 | Incrementally variable single countershaft transmission By making the ratios of the gear pairs in a conventional single countershaft transmissions a particularly defined sequence, and mounting the gear elements that are not affixed to the countershaft so that, that of the first gear pair is free to rotate on a... | 04/14/1987 |
| 4635495 | Multi-speed reversible power transmission A multi-speed power transmission utilizing ten gears, seven clutches and four shafts provides eight forward speeds and four reverse speeds. The transmission is coaxial in that the input and the output shafts are on the same centerline. The transmission re... | 01/13/1987 |
| 4614126 | Power synchronizer A power synchronizer assembly (10) for selectively increasing the rotational speed of a mechanical change gear transmission (12) input shaft (22), main section countershaft (58) and ratio gears (82, 84, 86, and 88) independently of the rotational speed of... | 09/30/1986 |
| 4611504 | Garden tractor transaxle with planetary differential input A transaxle especially for use with small tractors, power equipment and the like wherein a range transmission is incorporated within a speed transmission to provide a unique drive that provides three forward and one reverse normal speed drives and two or ... | 09/16/1986 |
| 4606236 | Synchronizer in a transmission for a motor vehicle A synchronizer is the type which has a hub having a boss at a central portion thereof, a sleeve axially slidably engaged with the hub with splines, synchronizer keys provided between the hub and the sleeve, and a synchronizer ring provided on one side of ... | 08/19/1986 |
| 4539856 | Two-speed auxiliary transmission An auxiliary transmission unit having multiple countershafts is disclosed for use in a motor vehicle. The countershafts are disposed about an input sun gear and an output sun gear in such a manner as to provide an opening for a shift fork to reach a centr... | 09/10/1985 |
| 4503727 | Transmission shift mechanism A transmission shift mechanism having straight line movement. The shift control operates a single shift rail carrying two shift forks to provide three speeds and a neutral position.... | 03/12/1985 |
| 4399717 | Change-speed transmission for wheeled vehicles To selectively provide multi-speed two-wheel drive, multi-speed four-wheel drive and low-speed high-torque four-wheel drive, a change-speed gearing for a motor vehicle includes a rear output shaft coaxial with a front output shaft, a clutch hub fixed to t... | 08/23/1983 |
| 4301690 | Gear shifting means A gear shifting mechanism comprising a drive shaft with a plurality of freely rotatable gears mounted thereon and means for making driving connection between the drive shaft and any one of the gears. Then through the operation of means actuated by limited... | 11/24/1981 |
| 4291587 | Multistage speed change gear system In a multistage speed change gear system including a plurality of gears selectively interconnecting an input shaft and an output shaft located parallel to one another, the gears disposed concentric with the input shaft are supported by ball-and-roller bea... | 09/29/1981 |
| 4279178 | Overdrive gear arrangement A power transfer case for a four wheel drive land cruiser is altered to provide overdrive capability. A main drive gear is journaled for rotation about a main drive shaft driven by the vehicle transmission system. The main drive gear includes an axially e... | 07/21/1981 |
| 4157667 | Variable ratio drive for gearing rotating parts to one another utilizable for cycles, motorcycles, motor vehicles and machines in general Disclosed herein is a new variable ratio drive which can be utilized for cycles, scooters, motorcycles, motor vehicles and any type of machine in general on which it is necessary to transmit motion with a multiplicative and/or a reducing ratio, with or wi... | 06/12/1979 |
| 4038882 | Variable ratio gear transmission An axially short, variable-ratio gear transmission suitable particularly for motorcycles has a first or input shaft, a second or output shaft, and a countershaft. First and second rotatable gears on the input shaft permanently mesh with respective first a... | 08/02/1977 |
| 4019400 | Auxiliary two-speed transmission A transmission is provided having a housing, a power input shaft rotatably mounted at one end, a power output shaft rotatably mounted at the other end coaxially with the power input shaft, a splined clutch member affixed to the end of one of the shafts ha... | 04/26/1977 |
| 3968704 | Power transfer mechanism A power transfer mechanism incorporated in a multiple path drive system includes a transfer case disposed between a source of input torque and at least one drive axle. The transfer case has a pair of parallel drive trains including a gear drive train and ... | 07/13/1976 |
