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| Number | Title | Issue Date |
| 8011263 | Injection-molded resin face gear An injection-molded resin face gear that can suppress deterioration of gear accuracy caused by shrinkage of resin material after injection molding and allow accurate and smooth rotation transmission is provided. An injection-molded resin face gear 1 in... | 09/06/2011 |
| 7434489 | Bicycle drive system A bicycle drive system includes a front gear face, a rear gear face, a front guide assembly, a rear guide assembly, and a drive shaft coupled to a rear-suspension frame via a rear hub and a crank spindle. The bicycle drive system operates independently of the frame.... | 10/14/2008 |
| 7401534 | Actuator device An actuator device includes a drive motor, gears and pairs of rotary shafts. The gears are rotated by torque outputted from the drive motor. Each pair of rotary shafts corresponds to one of the gears. The rotary shafts in each pair extend from both axial sides of th... | 07/22/2008 |
| 7370549 | Reduction gear for geared motor, geared motor, and product group thereof A reduction gear for forming a geared motor having a motor and a reduction gear is provided. The reduction gear for a geared motor includes an intermediate orthogonal gear head having an orthogonal transfer mechanism for changing a rotational direction of power deli... | 05/13/2008 |
| 7346992 | Hand-held power tool with angle drive A hand-held power tool (2) includes an angle drive (20) for connecting the motor-driven driving shaft (6) and the driven shaft (10) connected with a tooth holder (24) for joint rotation therewith, and having drive toothing (14 | 03/25/2008 |
| 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 |
| 7270296 | Small-size high-speed transmission system for use in microturbine-powered aircraft A transmission system that is used in conjunction with a microturbine engine for propelling an aircraft body, such as a propeller-based fixed-wing aircraft or a rotor-based vertical lift aircraft, or for a wide variety of other applications. The output shaft of the ... | 09/18/2007 |
| 7255635 | Polishing apparatus In polishing apparatus of the present invention, collars can be easily exchange. The polishing apparatus comprises: an outer pin gear having an inner gear section; an inner pin gear having an outer gear section; and a carrier having outer gear teeth, which are engag... | 08/14/2007 |
| 7213488 | Three way swivel divider gearbox for agricultural drive systems A swivel gearbox system having multiple drivetrain outputs is disclosed. The system comprises a swivel gearbox and an angled divider gearbox where the power input and divided power output shafts are not in the same plane. The swivel gearbox is a right angle gearbox ... | 05/08/2007 |
| 7201389 | Vehicle transmission A vehicle transmission includes a plurality of driven gears comprising a series of concentrically spaced ring gears. Each ring gear of the plurality of driven ring gears has an inner diametrical surface and an outer diametrical surface. Each outer diametrical surfac... | 04/10/2007 |
| 7107871 | Axially securing gearwheels in crown gear angle drives on one side A crown gear assembly including a crown gear which is rotatably supported around a first axis (A1) and which forms teeth (13) which are provided with flanks (14, 15) whose mantle lines extend substantially radially relative to the axis (A1 | 09/19/2006 |
| 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 |
| 7044023 | Knob with different gear ratios A knob adjustment device particularly for adjusting the temperature in valve units for water-heating apparatus. The device comprises a geared transmission interposed between the knob and an operating member of the valve unit in order to transmit a rotary movement to... | 05/16/2006 |
| 7036392 | Transmission system having a gear with engaging and non-engaging semi-annular sections A transmission system including a first gear comprising a first side having an engaging semi-annular section and a non-engaging semi-annular section; and a plurality of engaging gears for engaging with the engaging semi-annular section, wherein the engaging gears ar... | 05/02/2006 |
| 7011376 | Systems and methods for propelling a vehicle Disclosed are systems and methods for converting linear motion into circular motion. ... | 03/14/2006 |
| 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 |
| 6969336 | Transmission unit A transmission unit (1) comprising a transmission input shaft (F) and a transmission output shaft (A) as well as a transmission basic unit (25), which is arranged between the transmission input shaft and the transmission output shaft, and which is coup... | 11/29/2005 |
| 6916140 | Method of producing an enveloping worm Enveloping worm threads with less than one revolution have on one side concave surface and on another side convex surface. This makes generation of concave and convex enveloping worm surfaces simultaneously and makes modification of surfaces by individual machining ... | 07/12/2005 |
| 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 |
| 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 |
| 6742409 | Device for transmission between a primary motor shaft and an output shaft and lawn mower provided with such a device A transmission device between a primary motor shaft (1) and an output shaft, includes a casing (3) constituted by two half shells, a driving member (4), and a driven member (5) mounted on the output shaft (2). The driving member ( | 06/01/2004 |
| 6612195 | Split-torque face gear transmission A face gear transmission system divides the input torque into multiple kinematic paths. The first kinematic scheme consists of a drive shaft and driven shaft having a plurality of pinions which contact a primary face gear. The second kinematic scheme cons... | 09/02/2003 |
| 6564665 | Gear unit for gate drives The invention relates to a gear unit with hollow shaft for gate drives, preferably for driving sectional and roller gates. According to the invention the gear unit comprises a hollow shaped part which can be introduced into the hollow shaft, the outside a... | 05/20/2003 |
| 6561055 | Vent window actuator An actuator for a vent window of a motor vehicle wherein the drive mechanism interconnecting the output shaft of the motor and the pivot arm controlling the vent window comprises a first worm driven by the motor output shaft, a first worm wheel driven by ... | 05/13/2003 |
| 6467374 | Continuously variable mechanical transmission A continuously variable mechanical transmission comprised of two wheels, either friction or toothed, of which one or both are in the shape of hemispheres. A hemisphere wheel is mounted through a bearing on a fork with two pivots attached to the inner race... | 10/22/2002 |
| 6439101 | Electro-hydraulic servomotor An electro-hydraulic servomotor includes: an electric motor (41) which rotates a drive shaft (51) in response to an inputted signal; a hydraulic motor (60) which rotates an output shaft (61) using hydraulic pressure of operation oil; a first geared shaft ... | 08/27/2002 |
| 6289759 | Low cost electric actuator with self-aligning feature An actuator assembly for actuating a valve assembly having a shaft is provided. The actuator assembly includes a mounting member having a hole therethrough and a first attachment member. A first gear has a portion that extends through the hole for actuati... | 09/18/2001 |
| 6260429 | Face gear transmission assembly, in particular for aircraft application A face gear transmission assembly has a supporting structure, and a pair of face gears which are positioned facing each other, rotate with respect to the supporting structure about a common axis, and both mesh with two input pinions and three transmission... | 07/17/2001 |
| 6260430 | Face gear transmission, in particular for aircraft application A face gear transmission, in particular for aircraft application, has a floating input pinion rotating about a respective axis, and two face gears which are positioned facing each other, rotate about a common axis forming an angle of other than 90° with ... | 07/17/2001 |
| 6234037 | Modular gear system with contrate gear A modular gear system includes a plurality of gear modules and drive modules. The gear modules and drive modules each have a cylindrical output pinion which facilitates connecting the various modules to provide a desired transmission ratio. At least one o... | 05/22/2001 |
| 6183388 | Epicyclic face gear reduction gearbox particularly for a gas turbine engine A gear reduction gearbox connected to a gas turbine engine to reduce the shaft speed and increase the output torque. In one form of the present invention an input shaft and an output shaft are rotatable within a mechanical housing. A face gear set connect... | 02/06/2001 |
| 6158296 | Transmission with structurally simplified gear ratio A transmission (1) comprising a gear assembly for transmitting a rotary motion from a driving shaft (2) to a driven shaft (3), with variable gear ratio, the two shafts (2 and 3) not being coaxial. This transmission consists in: a gear-wheel (4) axially sp... | 12/12/2000 |
| 6128969 | Hybrid gear drive A hybrid gear drive suitable for the transformation of motion and power between an involute worm and a face gear wherein the axis of the face gear and the worm may be crossed or intersected. The gear drive includes a multi-thread involute worm in meshing ... | 10/10/2000 |
| 6073510 | Gear-drive assembly A gear-drive assembly between an input shaft (17, 117) and an output shaft (10, 110) comprises a ring gear (12, 112) having a peripheral portion provided with corresponding and opposite toothings (14, 15, 114, 115) on the two faces thereof. Meshing with e... | 06/13/2000 |
| 6066061 | Continuously variable gear transmission A continuously variable gear transmission has a hemispherical drive gear providing an axially varying pitch diameter and an axially varying effective circular pitch, and a driven gear with a constant pitch diameter having teeth tapering axially in an oppo... | 05/23/2000 |
| 6044722 | Variable torque transmission A variable torque transmission includes at least one disc-shaped gear 30 having a circular toothed surface 36 with flat beveled teeth 32 that mate along radius 38 with the cone-shaped teeth of pinion gear 10 to produce an infinitely variable lever arm and... | 04/04/2000 |
| 6041670 | Gear transmission Gear transmission between an input shaft and an output shaft, comprising a first and second face gear which are rotatable about a first axis of rotation and have identical toothing as regards number of teeth and module, which face gears are mounted at an ... | 03/28/2000 |
| 6038798 | Internal rotary structure of a crystal ball seat An internal rotary structure of a crystal ball seat having a base plate, a rotary disk, gears and other components; characterized in that: a circular platen is formed on the center of the upper surface of the base plate; a rotary disk is installed on the ... | 03/21/2000 |
| 6036174 | Dual speed winch using one-way clutches operating in opposite directions For some powered drum winches, e.g. in sailing boats, it is desirable that the drum can be driven with two different speeds. Basically, this is no technical problem, but it has been difficult to achieve both a high efficiency and a simple construction. It... | 03/14/2000 |
| 5974911 | Face-gear transmission assembly with floating balance pinions A gear transmission assembly for transferring a drive torque from at least one power input to a primary user has at least one drive pinion carried by a respective power input shaft and meshing with a pair of facing coaxial counter-rotating ring gears havi... | 11/02/1999 |
