Abstract: A motor suitable for use in a medical imaging environment has (a) a cylindrical outer gear having a bore with a centerline and an internal surface with circumferentially distributed and radially directed teeth, (b) a means for mounting this outer gear such that it is constrained to move in rotational motion about its centerline, (c) a cylindrical planetary gear having a bore and an external surface having circumferentially distributed and radially directed teeth, (d) a means located within the planetary gear bore for applying a fluid pressure driven force to cause it to move in translational-circular motion about the outer gear's centerline, and (e) wherein the teeth of these gears are configured so as to cooperate such that the translational-circular motion of the planetary gear causes the rotational movement of the outer gear.

Abstract: Disclosed herein is a continuously operable seat-reclining device having an improved actuator to substantially carry out a reclining operation of the reclining device such that an actuating force of a shaft is uniformly transmitted to the entirety of a coupling. The continuously operable seat-reclining device basically comprises an upper teeth bracket and a lower teeth bracket securely fixed to a seat back frame and a cushion frame, respectively, the upper teeth bracket being provided with upper teeth, the lower teeth bracket being provided with lower teeth, the upper teeth of the upper teeth bracket being engaged with the lower teeth of the lower teeth bracket, a cam hole formed at the center of the lower teeth bracket, and an actuator disposed between the cam hole and the cam-maintaining ring for moving the upper teeth bracket relative to the lower teeth bracket.

Abstract: A highly efficient apparatus for actuating a valve. An input mechanism drives the apparatus through an input member. Torque is increased as a plurality of driver discs eccentrically rotate about a central shaft member and engage an output member via low-friction, roller means. The output member engages a valve stem which opens or closes the valve.

Abstract: A device for increasing torque about a central member as a series of driver discs eccentrically rotate about a central shaft input member and alternatingly engage an output component via a low-friction, rolling engagement mechanism. Each disc is engaged with the other through a series of rings and dowels partially embedded within each disc. As the central input shaft rotates, each disc alternatingly engages the output component so the output, and central member, rotate with increased torque, albeit at a reduced speed.

Abstract: An internal teeth oscillating inner gearing planetary gear system, wherein installation space for piping, wiring, etc. can be easily secured in the central portion of the system according to a particular application. The gear system is configured such that rotation of an input shaft is reduced by internal teeth oscillating bodies oscillatingly rotating with respect to an external gear. Eccentric shafts are plurally provided. Eccentric shaft gears are provided for the plurality of eccentric shafts, respectively. A transmitting external gear with which the eccentric shaft gears and a driving source-end pinion concurrently mesh is also provided.

Abstract: An internal teeth oscillating inner gearing planetary gear system is provided with an input shaft, an eccentric gear rotated by the input shaft, the internal oscillating body oscillatingly rotated through the inner circumferential surface of the eccentric gear, and an external gear meshed with the internal oscillating body.

Abstract: A step down gear train, more specifically for an adjusting device of a motor vehicle seat, comprising an output shaft (22) rotating about an output axis (34), a pinion (20) that is connected to the output shaft (22), a housing (24) that comprises a housing portion (26) which is located in immediate proximity to the pinion (20) and has a passageway (28) for the output shaft (22), a first fixed gear wheel having external teeth that is connected to the housing portion (26) and comprises a bearing hole (32) which is centered on the output axis (34), a second gear wheel having external teeth that is connected to the pinion (20) and comprises a bearing protrusion (38) which is adapted to mate with the bearing hole (32), a cam gear (39) having internal teeth that meshes with both the first and the second gear wheel (30, 36), that has a gear axis which is offset an eccentricity value e relative to the output axis (34), that has a bearing hole (44) which is adapted to mate with the output shaft (22) and has the same a

Abstract: A step down gear train, more specifically for an adjusting device of a motor vehicle seat, comprising an output shaft (22) rotating about an output axis (34), a pinion (20) that is connected to the output shaft (22), a housing (24) that comprises a housing portion (26) which is located in immediate proximity to the pinion (20) and has a passageway (28) for the output shaft (22), a first fixed gear wheel having external teeth that is connected to the housing portion (26) and comprises a bearing hole (32) which is centered on the output axis (34), a second gear wheel having external teeth that is connected to the pinion (20) and comprises a bearing protrusion (38) which is adapted to mate with the bearing hole (32), a cam gear (39) having internal teeth that meshes with both the first and the second gear wheel (30, 36), that has a gear axis which is offset an eccentricity value e relative to the output axis (34), that has a bearing hole (44) which is adapted to mate with the output shaft (22) and has the same a

Abstract: A continuously engaged recliner assembly (20) selectively locks a seat back in one of a plurality of reclined positions about a pivot axis relative to a seat cushion on a vehicle seat. The recliner assembly includes a cylindrical housing (30) having an annular rim of gear teeth (34). A carrier plate (40), having outwardly extending drive pins (42), is rotatably nested within the cylindrical housing (30). An input shaft (50) is rotatably journaled to and extends between the cylindrical housing (30) and the carrier plate (40). Rotation of the shaft (30) causes the first and second gear (60, 62) to move in a hypocycloidal motion around the annular rim of gear teeth (34). A biasing member (58) operatively interconnecting the first (52) and second (55) cams rotatably biases the first and second cams in opposing directions, in turn biasing the first (60) and second (62) gears, respectively, in opposing directions against the cylindrical housing (30), thereby minimizing play within the recliner mechanism.

Abstract: An internal teeth oscillating inner gearing planetary gear system is provided with an input shaft, an eccentric gear rotated by the input shaft, the internal oscillating body oscillatingly rotated through the inner circumferential surface of the eccentric gear, and an external gear meshed with the internal oscillating body.

Abstract: The present invention relates to a transmission internally meshing a planetary gear structure; more particularly, to a reducer that makes it possible to maintain the precision and continuity of power transmission reliably and also to be miniaturized, comprising a frame body provided with a toothed gear internally meshed thereto; a first shaft provided with a sun gear; a plurality of planetary gears operably coupled to the sun gear; a number of crank structures mechanically coupled to corresponding planetary gears; a planetary gear structure mechanically coupled to the crank structures and operably engaged with the toothed gear of the frame body; and a second shaft mechanically coupled to the crank structures.

Abstract: A rotary actuator has a synchronous motor and an internally meshing planetary reduction gear having a first shaft rotated by the synchronous motor, an outer gear mounted to said first shaft with an eccentric part so as to be eccentrically rotatable around said first shaft, an inner gear with which said outer gear meshes internally, and a second shaft connected to said outer gear with a transmission means that only transmits said outer gear rotation on its axis to the second shaft. The synchronous motor and the internally meshing planetary reduction gear are accommodated inside a housing, and the first shaft doubles as a rotor shaft of the synchronous motor. An incremental encoder provided along a rotary shaft of the synchronous motor detects the rotation angle of a rotor of the synchronous motor.

Abstract: In the case of a geared fitting (1) for a vehicle seat adjuster, having a first internal-geared wheel (11) and a second internal-geared wheel (22) which is mounted rotatably relative to the first one and is arranged axially thereto, as central gear wheels, and having at least one revolving planet wheel (18) which is arranged axially between the internal-geared wheels (11, 22) and is in engagement with the two internal-geared wheels (11, 22), the second internal-geared wheel (22) is mounted on the first internal-geared wheel (11) with an undulating and/or polygonal bearing bushing (21) positioned between the internal-geared wheels.

Abstract: An eccentric planetary traction drive transmission which includes at least two planetary rollers, sun roller member, and a carrier member. One of the planetary rollers is flexible and is positioned between and in contact with an outer ring member and the sun roller member. Rotation of either the outer ring member or the sun roller member wedges the flexible planetary roller within a convergent wedge gap which squeezes the flexible planetary roller between the outer ring member and the sun roll member. Friction between the flexible planetary roller, the sun roller member, and the outer ring member transmits rotational motion and torque between the outer ring member and the sun roller member. The other at least one supporting planetary roller is a supporting roller which supports the sun roller member and the carrier member. A plurality of bearings supports the sun roller member within the outer ring member and the at least one supporting planetary roller.

Abstract: A joint has a first leaf having an inner gear and a second leaf having an external gear meshing with the inner gear. A stub with a wedge-shaped outer periphery is formed on the first leaf. A driving member is non-rotatably attached to a shaft and rotatably received between the leaves. A supporting base is mounted between the leaves and is actuated by the driving member. At least one driven wedge-shaped segment is mounted around the stub. Each segment has an inner wedge-shaped surface to mate with the outer wedge-shaped outer periphery of stub. A wedge arrangement is arranged between the supporting base and each segment to raise the segment as the driving member is rotated with the shaft. Accordingly, the angle between the leaves can be adjusted, and the shaking of the second leaf with respect to the first leaf can be prevented.

Abstract: A single planet planetary differential including a shaft mechanism, a planet gear, disposed so as to be meshingly communicated with the shaft mechanism, a carrier device, the carrier device defining a carrier cavity for rotatingly containing the planet gear, a worm gear, wherein the worm gear is disposed so as to be meshingly communicated with the carrier device and a differential housing, wherein the differential housing defines a differential cavity for rotatingly containing the shaft mechanism and the carrier device and wherein the differential housing defines a worm gear cavity for rotatingly containing the worm gear.

Abstract: A transmission provided with an input shaft and an output shaft supported on a first axis so as to freely rotate. The transmission is also provided with a transmission eccentric shaft mounted on the input shaft so as to freely rotate, the eccentric shaft having a declination axis crossing the first axis with a predetermined angle; a transmission input plate mounted on the transmission eccentric shaft so as to freely rotate around the declination axis; and an output eccentric shaft supported on an end portion of the input shaft on the output shaft side so as to freely rotate, where the output eccentric shaft is arranged on the declination axis.

Abstract: Disclosed is a seat reclining device for a vehicle. The seat reclining device comprises an upper toothed bracket fastened to a lower end of a seat back frame; a lower toothed bracket fastened to a rear end of a seat cushion frame; an operating section interposed between the upper and lower toothed brackets, for allowing a seat back to be reclined; and a cover plate for covering the upper and lower toothed brackets and the operating section.

Abstract: A joint has a first leaf having an inner gear and a second leaf having an external gear meshing with the inner gear. A driving wedge-shaped disk is non-rotatably attached to a shaft and rotatably received between the leaves. A block with an outer wedge-shaped resistant surface is formed on the driving wedge-shaped disk. At least one driven wedge-shaped segment is mounted around the driving wedge-shaped disk. Each segment has an inner wedge-shaped surface to mate with the outer wedge-shaped resistant surface of block. A wedge arrangement is arranged between a supporting base on the disk and each segment to raise the segment as the driving wedge-shaped disk is rotated with the shaft. Accordingly, the angle between the first leaf and the second leaf can be adjusted. In addition, the shaking of the second leaf with respect to the first leaf can be prevented.

Abstract: A seat reclining device has an external gear member and an internal gear member positioned in opposing relation, and a stopper member between the opposing gear members for regulating the reclining movement of the backrest relative to the seat cushion. The stopper member includes a first convex portion on the external gear (or internal gear) member and a stopper provided on the outer peripheral surface of the internal gear (or external gear) member. A second convex portion is also provided on the external gear (or internal gear) member. By engaging the second convex portion with a bore on a ring member that surrounds the periphery of the internal and external gear members, a part of the contact force between the stopper and the first convex portion is transmitted to the ring member.

Abstract: A wave gear drive (1) includes an annular rigid internal gear (2), an annular flexible external gear (3) arranged inside of the annular rigid internal gear (2), and a wave generator (4) fitted inside of the annular flexible external gear. The wave generator (4) includes a rigid cam plate (41) having a predetermined outline, and a hub (43) inserted into a fitting hole (42) formed in the center of the rigid cam plate (41). A transfer-torque control mechanism for limiting the torque transferred through the wave generator (4) to the flexible external gear (3) is defined by a nut (46) that fastens the rigid cam plate (41) and the hub (42). When the torque equal to or greater than a predetermined value is transferred, a slip is generated in a rotational direction between the rigid cam plate (41) and the hub (42), thus limiting the transfer torque to a predetermined limit value. As a result, the torque limiter is not required.

Abstract: The invention relates to a toothed rotor set for a pump, especially for a lubricating oil pump for internal combustion engines, wherein the toothed rotor set has a toothed configuration similar to a toothed ring pump and functioning and operation of said toothed rotor set corresponds to that of a toothed ring pump.

Abstract: A joint has a first leaf having an inner gear and a second leaf having an external gear meshing with the inner gear. A stub with a wedge-shaped outer periphery is formed on the first leaf. A driving member is non-rotatably attached to a shaft and rotatably received between the leaves. A supporting base is mounted between the leaves and is actuated by the driving member. At least one driven wedge-shaped segment is mounted around the stub. Each segment has an inner wedge-shaped surface to mate with the outer wedge-shaped outer periphery of stub. A wedge arrangement is arranged between the supporting base and each segment to raise the segment as the driving member is rotated with the shaft. Accordingly, the angle between the leaves can be adjusted, and the shaking of the second leaf with respect to the first leaf can be prevented.

Abstract: Axial positions of two driven external gears 66 making up each of a plurality of paired-gear groups 67 with respect to an input shaft 62 are made identical, and a different paired-gear group 67 is arranged by being offset in the axial direction of the input shaft 62. Therefore, only two driven external gears 66 making up the paired-gear group 67 are present at an identical axial position of the input shaft 62. Consequently, even if the diameters of these driven external gears 66 are made large up to the very limit, these driven external gears 66 do not interfere with each other. Accordingly, it is possible to readily enlarge the reduction ratio based on the driving and driven external gears 65 and 66.

Abstract: An absolute sensor 1 has a high speed side encoder 13 mounted on a high speed rotational shaft 6, a low speed rotational shaft 11 arranged coaxially with the high speed rotational shaft 6, a planetary gear mechanism 10 for reducing the speed of rotation of the high speed rotational shaft 6 and delivering the rotation of reduced speed to the low speed rotational shaft 11. The planetary gear mechanism 10 has a fixed sun internal gear a, a front stage planetary gear b, a rear stage planetary gear c, and an output sun internal gear d connected to the rear stage planetary gear c and low speed rotational shaft 11, wherein the planetary gears b and c are rotatably supported by an eccentric shaft portion 23 of the shaft 6. The planetary gear mechanism 10 can be constituted so that the input and output shafts are arranged coaxially, and can be made small with having a large reduction ratio in comparison with the conventional reduction mechanism comprised by spur gears.

Abstract: A subassembly for an eccentric gear reduction unit comprises a mounting sleeve (1) and two coaxial shafts (2, 3). one of said shafts being rotatably supported with respect to the mounting sleeve by means of a support rolling element bearing (4), the other of said shafts being rotatably supported with respect to the support rolling element bearing and/or the one shaft (2) by means of an eccentric rolling element bearing, said eccentric rolling element bearing also supporting an eccentric gear wheel (6) to which the other shaft (3) is connected, which eccentric gear wheel is intended for engagement with a fixed ring gear (7) which is coaxial with respect to both shafts.

Abstract: An eccentric orbiting type speed reducer for the joint of the industrial machine has a plurality of crankshafts, a rotational driving force being input into one crankshaft alone among the plurality of crankshafts, in which the bearing capacity for one crankshaft among the plurality of crankshafts is greater than the bearing capacities for other crankshafts.

Abstract: A transmission provided with an input shaft and an output shaft supported on a first axis as to freely rotate. The transmission is also provided with a transmission eccentric shaft outserted to the input shaft as to freely rotate of which axis is a declination axis crossing the first axis with a predetermined angle, a transmission input plate outserted to the transmission eccentric shaft as to freely rotate around the declination axis, and an output eccentric shaft supported on an end portion of the input shaft on the output shaft side as to freely rotate of which axis is the declination axis.

Abstract: An eccentric gear wheel transmission has a rotational drive mechanism (3), an eccentric element (8), an eccentric wheel (10) rotatably supported on the eccentric element, and a slaving means (15), which cooperates with the eccentric wheel (10) by intermittently meshing with it. At least one guide pinion (25) cooperating with the eccentric wheel (10) is provided, which assures the eccentric motion of the eccentric wheel (10) and prevents an undesired rotation of the eccentric wheel (10).

Abstract: A reduction gear which facilitates the mounting of a motor while securing a hollow space in a portion of the rotation center of the reduction gear, and which makes it possible to easily change the reduction ratio. A hollow space is formed in a portion of the rotation center of a reduction gear, a motor mounting member (24) for maintaining a distance between the center of rotation and a rotating shaft of the motor to a fixed distance, and a front-stage reducing portion (32) for reducing the output rotation of the motor is provided between the center of rotation and the rotating shaft of the motor.

Abstract: An eccentric gear transmission, having a rotary drive unit (3) with an eccentric element (8), an eccentric wheel (10) supported rotatably thereon with a set of teeth (11), which cooperates by intermittent meshing with a set of teeth (14) of a driver (15), and furthermore the eccentric wheel (10) has guide elements (12a; 18, 19), which are guided in a stationary housing part (6) directly or indirectly in receptacles (106, 108). It is proposed that the housing part (6) be embodied in one piece, with the receptacles (106, 108) disposed vibratably in the housing part.

Abstract: A control device for an electric motor which drives a motor vehicle part which is displaceable between reference positions, which is provided with a switch unit (12) for controlling the motor, there being a ratchet wheel (14) which, when the motor vehicle part is displaced, is forced to rotate less than 360 degrees between its end positions via an eccentric gearing (10) and actuates the switch unit depending on the rotational position of the ratchet wheel, the eccentric gearing having an externally toothed internal wheel and an internally toothed external wheel (24) which is interdigitally engaged to it, the ratchet wheel being supported for wobble motion with reference to a motor-driven shaft (18) which coupled to move with the motion of the displaceable motor vehicle part and which is pivotally mounted in a gearing housing (26), the ratchet wheel forming either the internal wheel or the external wheel of the eccentric gearing, the ratchet wheel and the switch unit being located within the gearing housing.

Abstract: A joint has a first leaf having an inner gear and a second leaf having an external gear meshing with the inner gear. A driving wedge-shaped disk is non-rotatably attached to a shaft and rotatably received between the leaves. A block with an outer wedge-shaped resistant surface is formed on the driving wedge-shaped disk. At least one driven wedge-shaped segment is mounted around the driving wedge-shaped disk. Each segment has an inner wedge-shaped surface to mate with the outer wedge-shaped resistant surface of block. A wedge arrangement is arranged between a supporting base on the disk and each segment to raise the segment as the driving wedge-shaped disk is rotated with the shaft. Accordingly, the angle between the first leaf and the second leaf can be adjusted. In addition, the shaking of the second leaf with respect to the first leaf can be prevented.

Abstract: A speed change gear drive unit using planet-gears which is simple in construction, can be assembled easily, is low in costs, and can produce an extremely large change gear ratio is provided. The speed change gear drive unit using planet-gears 1 is comprised of an eccentric shaft part 4b eccentric with an input shaft part 4a and rotated integrally with the input shaft part 4a, a rolling member 5 having the same axis as the eccentric shaft part 4b and mounted rotatably on the eccentric shaft part 4b, two gear parts 5A and 5B formed on the rolling member 5, a gear part 6A meshed with one gear part 5A of the rolling member 5 and secured to a casing 2, and a gear part 7A meshed with the other gear part 5B of the rolling member 5 and rotated integrally with an output shaft part 7a.

Abstract: The invention relates to a harmonic reduction gear comprising a drive-side eccenter (12) which engages into a complementary opening (13) of an outer toothed member (14), and a housing-fixed inner toothed ring (15) which is arranged around the outer toothed member (14) and on which the outer toothed member (14) rolls with the reversed rotational sense as the eccenter (12) when the eccenter (12) is rotated.

Abstract: A slow rotating apparatus for use in performing downhole operations. The apparatus generally consists of a motor section with a rotor rotatable in response to fluid flow, a speed reducer section connected to the motor section such that an output speed of the speed reducer section is less than an output speed of the rotor, and a jetting section or other head attached to the speed reducer section and rotated thereby at the speed reducer output speed. A flow passage is defined through the speed reducer section so that fluid may communicate therefrom into the jetting head. The speed reducer section includes an input shaft attached to the rotor. The input shaft has an eccentric portion and has an input gear disposed about the eccentric portion. The input gear is a solid gear having a first outer geared surface and a second outer geared surface. The pitch diameter of the first outer geared surface is less than the pitch diameter of the second outer geared surface.

Abstract: A mechanical force generator for producing a directional force by converting centrifugal force energy to a directional force by rotating a cage assembly about its longitudinal axis which then turns secondary shafts which rotate sets of eccentrics to produce a net unidirectional force in a direction which is transverse to the axis of rotation of the cage assembly. Two pairs of eccentrics rotate such that for each 90° of carrier cage rotation, the pairs of eccentrics have their mass centers positioned alternately between a balanced condition and an unbalanced condition, but, for each 90° of rotation, one pair of eccentrics is always developing a power stroke. A timing mechanism is connected to the carrier cage to change the phase relationship between the carrier cage and the holding frame to vary the resultant force output.

Abstract: The invention relates to a drive for adjustment devices in motor vehicles, more particularly for vehicle seats, having a stepped switch mechanism acting on both sides for manually producing a rotary movement. The object of the present invention is to provide a simplified and cost-effective device for adjusting the vehicle seat components in two directions. This is achieved by connecting the output side of the stepped switch mechanism to a self-blocking gear.

Abstract: An eccentric gear drive has a drive mechanism with an eccentric element, an eccentric wheel with a set of teeth that is supported on the eccentric element, and a driver with another set of teeth. The teeth of the eccentric wheel and the teeth of the driver cooperate by meshing with one another in some portions. The eccentric wheel is rotatably connected to the eccentric element. The eccentric wheel also has guide elements which are guided directly or indirectly in a fixed housing cap.

Abstract: In a speed reducer, because the idler gears 62 that mesh with the drive gear 58 and the external gears 55 fixed to the crankshafts 45 are provided between those gears 55 and 58, the reduction of the diameters of the external gears 55 and the drive gear 58 can be easily accomplished. Consequently, the inertia moment, and hence the size of the servomotor for driving, become smaller, and vibration and the noise caused by engagement can be reduced as well. The radial distance L between the crankshaft 45 and the center axis Z of the speed reducer 64 can be easily increased to improve the rigidity of the speed reducer 64 in the circumferential direction.

Abstract: An internally meshing planetary gear device which comprises an internal gear having a circular arc tooth form and an outer gear of a planetary gear having an epitrochoid tooth form, the internal gear comprises pins, both ends of which are supported, and rolling bearings inserted onto the pins, and the rolling bearings have outer races meshing with the outer gear.

Abstract: A locking and slowing down device includes a central hole and a recess part, which are connected with each other. The central hole is inserted with an output shaft so that the spline shaft at one end of the output shaft extends into the recess part. The locking and slowing down device also includes an eccentric wheel set composed of a first eccentric wheel and a second eccentric wheel, which are connected with a first gear and a second gear, respectively, to move in opposite direction. The first gear and the second gear have a plurality of first through holes around a circle and second through holes around a circle, respectively. The protruding columns on the rotating plate penetrate through the first through holes and the second through holes, and each protruding column has an outer diameter smaller than the inner diameters of the first through holes and the second through holes. The first gear, the second gear, and the eccentric wheel set are placed within the recess part of the housing base.

Abstract: An integrated system for automatically controlling the operation of both an automated mechanical transmission and a multiple speed axle assembly in a vehicle drive train assembly includes a transmission actuator for operating the transmission in any one of a plurality of transmission gear ratios. The system further includes an axle actuator for operating the axle assembly in any one of a plurality of axle gear ratios. An electronic controller is provided for operating the transmission in a desired one of the plurality of transmission gear ratios and for operating the axle assembly in a desired one of the plurality of axle gear ratios to provide a desired overall gear ratio for the vehicle. To accomplish this, the electronic controller is responsive to one or more input signals that represent operating parameters of the vehicle.

Abstract: A cartridge holder being movable between a cartridge accommcodating position where it is concealed within a camera body and a projecting position where it is exposed outside the camera body has a lower supporting member at its bottom for driving a film spool in a film cartridge inserted through an opening into the cartridge holder by engaging a lower end of the film spool, and an upper supporting member for engaging an upper end of the film spool. The upper supporting member is moved between its retracted position where it is retracted from the opening of the cartridge holder and its engaged position where it engages the film spool, its movement interconnecting with the movement of the cartridge holder between its cartridge accommodating and projecting positions.

Abstract: A reclining car seat hinge for a chair is disclosed. The hinge includes a pair of leaves having respective circular recesses formed with respective toothed peripheries, an annular planetary gear having a central hole defined therein and arranged in the circular recesses of the face-to-face leaves and engaged with the toothed peripheries of the recesses, a carrier ring rotatably pressed into the central hole of the annular planetary gear and having a central axis and an inner periphery coaxial with the central axis, an gear-shaft interlock arranged within the inner periphery and connected with the carrier ring in such a way that the carrier ring is movable but non-rotatable relative to the gear-shaft interlock, at least one spring having a first end connected to the carrier ring and a second end connected to the gear-shaft interlock, and a shaft extending through the leaves and non-rotatably connected to the gear-shaft interlock off center from the central axis of the carrier ring.

Abstract: The present invention provides shift mechanisms and methods of controlling a transmission. According to one embodiment of the present invention, a shift mechanism for use with a transmission includes a central axle defining a central axis; a master cylinder configured to increase the pressure of a liquid; and an eccentric assembly comprising a support member provided about the central axle and an eccentric mount coupled with the support member, the eccentric mount defining an eccentric axis and being in fluid communication with the master cylinder and configured to provide radial adjustment of the eccentric axis relative to the central axis providing adjustment of the gear ratio of the transmission.

Abstract: An adjusting device for the fine adjustment of the angle of rotation between two rotary elements (1, 2), which are driving and driven, respectively, comprises first and second gear units (6, 17). The second gear unit (17) comprises two eccentric gear components (20, 20') which are internally connected via a coupling (21) that permits each component separately to perform eccentric translation movements. The sleeve components have external gear rings (22, 22') which cooperate with internal gear rings (23, 23'), that are co-rotatively connected with output and input rotary members (8, 9), respectively, of the first gear unit (6). The external gear ring (22, 22') of the individual eccentric gear component has a smaller diameter and fewer teeth than each internal gear ring (23, 23') and is eccentric relative to the same. By the fact that the second gear unit in one and the same step gives a large gear change, a relative rotary motion of, e.g.

Abstract: A transmission apparatus includes an input shaft; an output shaft; a ring gear having internal ring gear teeth and having a ring gear central axis; a ring gear constraining structure constraining the ring gear to move translationally along a substantially circular path about the input shaft rotational axis without rotating about its own central axis relative to the apparatus; a mechanism for continuously changing the distance between the ring gear central axis and the input shaft rotational axis; a pinion gear having a diameter smaller than the inner diameter of the ring gear and retained with the ring gear so that its rotational axis is parallel with the ring gear central axis; and held in engagement with the ring gear teeth by a pinion gear constraining structure rotationally connected to an apparatus output shaft; where each time the input shaft rotates one revolution, the ring gear constraint structure moves the ring gear one revolution translationally along the circular path around the input shaft rotati

Abstract: The invention relates to a gear system, particularly an epicyclic gear system, with a basic member (40) with at least one rotatably mounted output member (50), and with an annular running space (1), formed in the bearing region of the output member (50), and with bearing surfaces (40e, 44b, 59a, 59b) for cylinder-like roller members (47, 47'). Some roller members (47) are aligned with respect to the axis of rotation (40a) of the gear system substantially axially, while the other roller members (47') are positioned substantially radially (FIG. 1).

Abstract: An eccentric gear comprises two differently large gear rings (6, 7), of which an outer ring (6) has a certain number of inwardly directed teeth and an inner ring (7) has a smaller number of outwardly directed teeth, of which only a few engage with the outer gear ring, in that the inner gear ring is eccentrically mounted in bearings. The inner gear ring (7) is integrated with a casing part (8) whose geometrical axis of rotation (A) is oblique relative to an axis of symmetry (B) through the center of the outer gear ring (6). During the generation of the inner gear ring, the casing part is submitted to a nutating motion, during which the axis of rotation (A) of the casing part moves as a generatrice along an imaginary cone, around a cone apex (C) that is axially distanced from the gear rings (6, 7).