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| Number | Title | Issue Date |
| 6328668 | Positive gear engagement transmission A positive gear engagement transmission affords a continuously variable ratio between input and output rotational speeds. A circular rack journalled for rotation about a center axle or hub has inner and outer arrays of teeth. Inner and outer planet gears ... | 12/11/2001 |
| 6296072 | Electric bicycle and methods An electric motor assembly comprises a housing and a spindle disposed to rotate in the housing. A motor is provided which comprises a stator coupled to the housing, and a rotor rotatably disposed within the stator such that the rotor is disposed about the... | 10/02/2001 |
| 6176804 | Planetary gear train for a wind power station A planetary gear train for a wind power station having at least one rotatable blade, including a frame, a driven shaft coupled to the frame and rotated by the at least one blade, a planet carrier coupled to the frame and the driven shaft, the planet carri... | 01/23/2001 |
| 6139464 | Individual wheel drive with a planetary gear The invention concerns an individual wheel drive with a rear-mounted planetary gear (3) for motor vehicles. A prime mover (1) or a bunched up input from several engines produces the input power. In order to design optimally the needed space for the indivi... | 10/31/2000 |
| 6135259 | Hub drive A hub drive is provided with a hub which is mounted on a hub support and with a brake device. The hub can be driven by a drive shaft with the interposition of a transmission preferably realized in the form of a planetary gear train. To be able to use the ... | 10/24/2000 |
| 6132330 | Infinitely variable transmission This includes a first rotatable gear (such as a sun gear) and a second rotatable gear (such as a ring gear) spaced from the first rotatable gear. A rotatable inner gear is positioned between and meshes with both the first rotatable and the second rotatabl... | 10/17/2000 |
| 6129648 | Planetary gear device A planetary gear device (20) comprises a front-stage side planetary gear mechanism (21) and a rear-stage side planetary gear mechanism (23). The rear-stage side planetary gear mechanism (23) comprises an internal gear (25), a carrier (29) rotatably suppor... | 10/10/2000 |
| 6106429 | Thrust washer for a planetary gear assembly A planetary gear assembly includes a sun gear, a ring gear, and more than one planet gear. The sun gear provides rotational input to the gear assembly and intermeshes with the planet gears. The planet gears intermesh with and drive the ring gear. Each of ... | 08/22/2000 |
| 6099432 | Planetary gear device having a backlash adjusting mechanism A planetary gear device 1 comprises a rear-stage planetary gear mechanism 30 having carrier parts 38, 39 constituting a divided-type carrier, wherein axial holes 81-84 of planetary shafts 71-74 fixed on the carriers 38, 39 can be accessed directly from th... | 08/08/2000 |
| 6080078 | Planetary gear with compensating coupling A planetary gear is described, with a compensating coupling (9), a housing (1) enclosing the gear (2) and the compensating coupling and a planet wheel carrier (3), which has a shaft journal (4) rotatably mounted in the housing. The compensating coupling i... | 06/27/2000 |
| 6077184 | Shaft assembly for use in a washing machine A shaft assembly used in a washing machine, which can prevent noise generated from a gear assembly therein. The shaft assembly has a speed reduction gear assembly including an internal gear, a sun gear, and planet gears. The sun gear is a helical gear mad... | 06/20/2000 |
| 6074323 | Annulus gear for an automatic transmission and method of construction An annulus gear for an automatic transmission and method of construction. The annulus gear is a one-piece or monolithic gear having a set of gear teeth formed on an inner surface thereof for operably coupling with a set of planetary gears. A plurality of ... | 06/13/2000 |
| 6068572 | Method for reacting thrust loading in an automatic transmission A method for reacting an axial thrust load generated by a planetary gear system of an automatic transmission for an automotive vehicle is provided. The axial thrust load is transmitted along a first thrust load path between a sun gear of the planetary gea... | 05/30/2000 |
| 6067734 | Dragline walking mechanism with improved planetary transmission A dragline comprising a main housing, a moving mechanism for moving the main housing over the ground, and a planetary transmission driving the moving mechanism, the planetary transmission including a transmission housing, a sun gear, a ring gear and plane... | 05/30/2000 |
| 6066066 | Thrust bearing bulkhead in a transmission of a motor vehicle The present invention relates to a transmission for an automotive vehicle having a clutch retainer assembly or thrust bulkhead fixedly secured to the transmission housing and interdisposed between the reverse clutch assembly and the fourth clutch assembly... | 05/23/2000 |
| 6063001 | Gearbox assembly for deep oil well pumps Featured is a gearbox that is used to interconnect an electric motor to a deep oil well tube pump such as an eccentric worm pump. The gearbox includes a drive shaft mechanically interconnected to the pump, a reduction gear assembly mechanically interconne... | 05/16/2000 |
| 6053074 | Positive acting differential with slotted solid spacer A positive acting differential of the type having toothed drivers and couplers which automatically connect the two axles together to provide optimum traction for the vehicle, yet release one axle when the vehicle is proceeding around a curve without drive... | 04/25/2000 |
| 6047608 | Folding device for blade folds To increase folding accuracy in a blade folding device with planetary gearsets for fold adjustment, each planetary gearwheel is equipped with an auxiliary gearwheel circumferentially resiliently held against the planetary gearwheel for minimizing backlash... | 04/11/2000 |
| 6031308 | Geared motor A geared motor is provided. A through hole formed in a base passes a rotor shaft. An annular guide rim to guide a carrier and a cylindrical stationary gear are integrally and concentrically formed on the base which seals an open end of a small motor. A gu... | 02/29/2000 |
| 6023836 | Method of forming a shaft fixing aperture in a plate-like carrying member Automatic transmissions of automobiles and the like often employ planetary gear mechanisms. In conventional planetary gear mechanisms, a carrier is utilized for supporting shafts of a pinion or planetary gear. One of the carriers is provided with fixing a... | 02/15/2000 |
| 6024665 | Transaxle drive differential assembly A transaxle drive differential assembly powered by an input drive and connected to a pair of axle shafts. The differential assembly includes a housing comprised of a first housing section and a second housing section wherein at least one of the housing se... | 02/15/2000 |
| 6017289 | Planetary gear assembly with floating ring gear A propelling and/or steering mechanism uses a planetary gear set and ring gear arrangement, in which the ring gear "floats" upon the planetary gear set, free of a center hub and a bearing connection.... | 01/25/2000 |
| 6012350 | Internal gear The internal gear is a bottomed cylindrical component, which has the boss portion fitted over the outer circumferential surface of the shaft, the disk-shaped flange portion extending radially outwardly from the boss portion, and the cylindrical gear body ... | 01/11/2000 |
| 6006870 | Disc brake arrangement for an individual wheel drive The invention relates to a disc brake arrangement for an individual wheel drive with rear-mounted planetary gear (3) for motor vehicles. A brake (7) is designed as pneumatically or hydraulically actuated disc brake and acts as a service, parking, emergenc... | 12/28/1999 |
| 5984823 | Differential with shaft locking mechanism A shaft retention and spacer mechanism, referred to as a button lock assembly, is installed between the ends of the axle shafts within the differential housing of a differential assembly. The end of each axle shaft includes a button-like end pad formed by... | 11/16/1999 |
| 5980416 | Differential for a vehicle A vehicle, such as a lawn mower or garden tractor, includes an engine attached to a frame. The frame includes several wheels including two driven wheels. A first axle shaft is attached to the first driven wheel. A second axle shaft attached to the second ... | 11/09/1999 |
| 5957804 | Planetary gear A planetary gear (1) in the form of a Wolfrom gear with a high transmission ratio. Such gears are preferentially used in handling gear engineering. In order to reduce the number of components required and improve the overall efficiency of the planetary ge... | 09/28/1999 |
| 5947860 | Planetary reduction gear assembly coupled to a power takeoff A new planetary reduction gear assembly for reducing output speed of an agricultural tractor. The inventive device includes an input shaft having an inner portion and an outer portion. The inner portion has a female coupling collar disposed thereon. The f... | 09/07/1999 |
| 5928105 | Planet carrier assembly with stationary washer members A planet carrier assembly has a plurality of pinion gears rotatably mounted in a cage or spider. A stationary washer, having four bearing pads, is disposed adjacent the sidewall of the planet carrier cage. Th& sidewalls are spaced and have aligned opening... | 07/27/1999 |
| 5928099 | Crawler drive unit A crawler drive unit for propelling a construction machine such as a shovel-type excavator having a pair of crawler track assemblies comprises a hydraulic motor (11) and a speed reducer (12), the latter including a stationary carrier (29) having carrier p... | 07/27/1999 |
| 5916056 | Splined ring gear having a thicker radial portion at one axial portion of the ring gear In a planetary gear device of an automatic transmission, including a sun gear, a plurality of pinion gears that engage with the sun gear, a carrier that rotatably supports the pinion gears, a ring gear having inner teeth formed on an inner periphery there... | 06/29/1999 |
| 5910066 | Planetary gear A planetary gear having step planet gears is generically a Wolfrom gear which permits large ratios. Transmission of this type are used mainly in the handling technology. In order to improve the portability, friction, vibration and noise characteristics, s... | 06/08/1999 |
| 5910063 | Lubricating structure of planetary gear A thrust bearing is interposed between a carrier plate and a sun gear. Grooves are formed on a surface of a thrust race of the thrust bearing the surface of the thrust race opposes the carrier plate, so that the grooves connect a space at inner peripheral... | 06/08/1999 |
| 5899441 | Chain hoist with a brake acting on both sides of the clutch In an electric chain hoist, there is a slipping clutch in the drive line which connects the electric motor to the chain sprocket, the slipping clutch acting as an overload safeguard. A holding brake is also provided to hold the drive line in the braked st... | 05/04/1999 |
| 5871415 | Helically cut planetary gear A planetary gear designed with helically cut teeth, in particular for motor vehicles, is provided with a sun wheel (1), which is non-rotatably connected with the drive shaft (2), a plurality of planet gears (4) mounted in a planet carrier (6) and a ring g... | 02/16/1999 |
| 5863273 | Toroidal transmission and method and apparatus for making and assembling same A toroidal transmission includes a stator having a plurality of helical races that together define a toroidal cavity having an axis, and first and second shafts rotatable about the axis, the first shaft carrying a worm, the second shaft carrying a plurali... | 01/26/1999 |
| 5863272 | Raise drill assembly with two-piece planetary third reduction hub and out put shaft A two-piece planetary hub and output shaft for use in a planetary reduction gear drive assembly for a raise drill having a drive motor and a drive train path including first, second and third reduction gearing driving the planetary hub and output shaft. T... | 01/26/1999 |
| 5853346 | Planetary gear assembly with floating ring gear A propelling and/or steering mechanism uses a planetary gear set and ring gear arrangement, in which the ring gear "floats" upon the planetary gear set, free of a center hub and a bearing connection.... | 12/29/1998 |
| 5853165 | Chain hoist with a clutch adjustable by means of the brake A chain hoist contains a slipping overload clutch in the drive line which connects the electric motor to the chain sprocket. This slipping clutch has two clutch halves which are in frictional engagement with one another and are preloaded into frictional e... | 12/29/1998 |
| 5846154 | Single speed gear assembly for a wheelchair A single speed gear assembly suitable for use in a wheelchair is disclosed. The assembly incorporates a sun gear together with a plurality of planet gears which reduces the amount of torque required by the user in order to effect rotation of the wheel to ... | 12/08/1998 |
