| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 464147000 | Torque transmitted via intermediate element | 37 |
| 20090011843 | Constant Velocity Joint of Tripod Type - A constant velocity joint for a drive system of a vehicle comprises: a spider trunnion for transmitting torque between first and second shaft of the drive system, the spider trunnion including a spherical outer surface; and a roller assembly operatively attached on the spider trunnion, the roller assembly including an inner roller, an outer roller, and a plurality of needle rollers engaged between the inner and outer rollers, wherein the inner roller includes a tapered outer surface with a taper angle (θt), and the outer roller includes a tapered inner surface with the same taper angle (θt). The taper angle (θt) is preferably in a range from about 0.23° and to about 1.17°, and selected in consideration of both accommodating the inner roller to move without jamming in an entire effective movement range under presence of a maximum joint angle of the drive system, and preventing self separation of the roller assembly by jamming stop between the inner, outer and needle rollers due to the tapered structure of the rollers. The inner roller is preferably configured to have a ratio LL/RR | 01-08-2009 |
| 20090023505 | Adapter Ring for Transmission Pump Assembly to Engine Connection - A transmission pump adapter ring is provided that enables a transmission pump assembly to be operatively connected to an engine, thus enabling a common transmission pump assembly to be used in a given type or types of transmissions while enabling different engines to be used with the transmission simply by changing the adapter ring. The adapter ring allows a novel method of assembling a powertrain that permits assembly of the transmission with a generic (i.e., common) type of pump assembly prior to a determination of the engine type or types to be used with the transmission. | 01-22-2009 |
| 20090305796 | TORSION LOCK ENCODER DEVICE FOR INTERNAL COMBUSTION ENGINE - An internal combustion engine crankshaft assembly includes a crankshaft having an output device, such as a flywheel or crankshaft damper, fastened to the crankshaft. An electronic engine control device is positioned between the crankshaft and the output device. The electronic engine control device includes a generally planar base which contacts both the output device and the crankshaft. The planar base is coated with a pressure-responsive friction-promoting material which causes the output device be torsionally locked with respect to the crankshaft. | 12-10-2009 |
| 20120094775 | UNIVERSAL JOINT MECHANISM - The various embodiments herein provide a constant speed universal mechanical joint mechanism with crossover angle up to 90 degrees and more. The universal mechanical joint comprises an input coupling, an output coupling, at least one input shaft, at least one output shaft, a plurality of guide arms, at least three connecting arms, a plurality of connecting means, a plurality of external retaining rings and a plurality of bearings. The input coupling is connected to the input shaft and the output coupling is connected to the output shaft in such a way that the plurality of retaining rings joins each of the input coupling and the output coupling with the plurality of guide arms and the plurality of connecting means. The plurality of retaining rings and the plurality of bearings are used to connect each of the plurality of guide arms to the at least three connecting arms. | 04-19-2012 |
| 20120329566 | POWER TRANSFER UNIT WITH OUTPUT SHAFT HAVING INTEGRATED JOINT ASSEMBLY - A power transmission device for a four-wheel drive vehicle includes an input shaft adapted to be driven by a power source. A first output shaft is rotatable about a first axis and adapted to transmit torque to a first driveline. A second output shaft is adapted to transmit torque to a second driveline and is rotatable about a second axis. The first and second axes diverge from one another. A transfer unit includes a drive member rotatably supported on the first output shaft and a driven member coupled to the second output shaft. A joint is positioned within a cavity formed in the driven member and drivingly interconnects the driven member and the second output shaft. The driven member includes first and second portions separable from and re-mountable to each other to allow service to the joint. | 12-27-2012 |
| 20130102398 | SPHERICAL TRANSMISSION JOINT - A spherical transmission joint has an input shaft connected to a driving source to rotate, an input link fixed to the input shaft to be rotated by the input shaft and having a bent shape, a coupler link rotatably mounted to a first rotary shaft mounted to the input link and having a bent shape, an output link rotatably mounted to a second rotary shaft mounted to the coupler link and having a bent shape, and an output shaft fixed to the output link. This spherical transmission joint for rotating power transmission of inclined shafts is widely used for transmission joints with certain gradients since a rotating angle between an input shaft and an output shaft is ranged wide. | 04-25-2013 |
| 20130123028 | ROBOT ARM ASSEMBLY - A robot arm assembly includes a plurality of driving members, a first transmission mechanism, a second transmission mechanism, and a third transmission mechanism. The first transmission mechanism includes a first rotating shaft, and a second rotating shaft. One end of the first rotating shaft is connected to the first driving member by the connecting member, the other end of the first rotating shaft is movably connected to the second rotating shaft, and the first driving member drives the first rotating shaft to rotate a predetermined number of degrees. The second and third transmission mechanisms include several connecting members and jointing members, transmission members and shafts, and gear wheels. | 05-16-2013 |
| 20130203510 | CONSTANT VELOCITY JOINT - A constant velocity joint that enables a wide continuous range of shaft angles, being robust throughout this range. | 08-08-2013 |
| 20140179448 | FLEXIBLE JOINT CONNECTION - A downhole submersible pumping system includes an adapter for use in connecting a first component to a second component within the downhole pumping system. The adapter preferably includes an upstream section configured for connection to the first component and a downstream section configured for connection to the second component. The adapter further includes an articulating joint that permits the angular movement of the first component with respect to the second component. | 06-26-2014 |
| 20140274427 | Multilink Constant Velocity Joint - An apparatus comprising a rotor hub system comprising a floating plate, a plurality of drive link trunnions each comprising a pivoting arm and positioned radially about the floating plate, wherein each drive link trunnion is coupled to the floating plate via the pivoting arm, and a housing disposed about the floating plate, coupled to each of the drive link trunnions, and configured to couple to a mast. Included is an apparatus comprising a floating plate, a plurality of drive link trunnions each comprising a pivoting arm and positioned radially about the floating plate, wherein each drive link trunnion is coupled to the floating plate via the pivoting arm, and wherein the drive link trunnions are configured to move the floating plate in response to a force applied to the drive link trunnions, and a housing disposed about the floating plate and coupled to each of the drive link trunnions. | 09-18-2014 |
| 20140335964 | MUD MOTOR UNIVERSAL JOINT ASSEMBLY - A mud motor universal joint assembly includes a pair of cylindrical drivers and a cylindrical driven member. Each drive member is configured to attach to a drive unit at one end, and to a driven member at second ends through interlocking tangs. Each cylindrical drive member has an internal blind tapered bore within the interlocking tang portion containing a hard cylindrical load bearing member. The assembly is connected by hardened cylindrical rod members inserted into the internal blind tapered bores of each drive member and retained therein by a plurality of balls in recesses. The drive members, connecting rods, and bearing members may be surface hardened to improve wear. Tang portions may include cavities with rubber inserts therein to reduce slack and slapping during use down hole. | 11-13-2014 |
| 20160091028 | FLEXIBLE SHAFT COUPLING - A flexible hub connection is disclosed for joining a first rotatable shaft with a second rotatable shaft so that torque can be transmitted between the shafts through the connection. The connection comprises a first flexible means having a first flex plane, a second flexible means having a second flex plane and, an intermediate member. The first flexible means is connected between the first rotatable shaft and the intermediate member, while the second flexible means is connected between the intermediate member and the second rotatable shaft. The first flex plane and second flex plane being substantially coplanar. | 03-31-2016 |
| 20160153499 | TORQUE TRANSMISSION SHAFT HAVING UNIVERSAL JOINT YOKE AND METHOD OF MANUFACTURING THE SAME | 06-02-2016 |
| 464148000 | Element carries or receives hook on opposite ends for connection to drive and driven members (e.g., link chain) | 2 |
| 20130040742 | FLEXIBLE HOMOKINETIC COUPLING - A coupling for connecting a drive to a load has an input connector that defines with a plurality of radially spaced input attachment points all lying on a common radial plane of a rotation axis and a similar output connector with a plurality of output attachment points. Connecting elements each have one end connected to a respective input attachment point and an opposite end connected to a respective output attachment point by a link joint. The radial spacing of the input attachment points from the input rotation axis and the radial spacing of the output attachment points from the output rotation axis are the same. The input attachment points and the output attachment points coupled to these input attachment points by a connecting element are angularly spaced relative to each other about the input rotation axis by 80° to 100°. | 02-14-2013 |
| 20150031464 | Flexible and Elastic Rotary Transmission Shaft - This patent request addressed to a flexible elastic rotating shaft drive developed for transmission of tri-mechanical power between two points. That it brings as its main characteristics the condition to flex between transmission points to horizontal, vertical, transversal and pendular angles, and also presents the condition of stretching, bending and contracting to the rest starting point, keeping the rotating transmission continuous and intermittent. In which it is formed by a helical spring ( | 01-29-2015 |
| 464149000 | Axially intermeshing teeth | 3 |
| 20090186709 | Mechanism for Transmitting Power Between Shaft and Hub - A shaft tooth section has a mountain section of a twisted shape crossing the axis of a shaft (mountain section of hub tooth section). The hub tooth section has the mountain section of a linear shape having a constant tooth thickness, and the inner diameter of the mountain section varies from an end section toward the shaft shank side. A first step expanding toward the hub tooth section side is formed in a valley section of the shaft tooth section. A second step recessed toward the opposite side of the shaft tooth section is formed in the mountain section of the hub tooth section. The start point (P | 07-23-2009 |
| 20100190559 | MULTI-PIECE YOKE ASSEMBLY - A driveline yoke assembly may include a yoke and a barrel. The yoke may include first and second arms extending from a base. The base may include a first protrusion extending radially therefrom. The barrel may be axially fixed to the yoke and may define an axially extending body having a second protrusion extending radially therefrom and engaged with the first protrusion to transfer rotation from the barrel to the yoke. | 07-29-2010 |
| 20140235361 | Torque Shaft and Torque Shaft Drive - Torque shafts and other related systems and methods are described herein. The torque shafts are both flexible and capable of transmitting torque. The torque shafts are useful for procedures that require torque and pushability to drive or deploy a device. The flexibility and pushability of the torque shafts enable them to curve along a tortuous path, and the torque transferring capability of the shafts enable them to transmit torque along the shaft. | 08-21-2014 |
| 464150000 | Intermediate element located between overlapping surfaces on drive and driven members | 12 |
| 20100004065 | Displacement Unit - A displacement unit comprising two shaft-shaped drive components which are displaceable in one another and each have a plurality of roller body raceways facing one another with roller bodies arranged between them. To both save weight and facilitate proper positioning of the components, a profile groove is provided between two adjacent roller body raceways of at least one drive component, the profile groove having a profile depth which is smaller than the profile depth of one of the adjacent roller body raceways. | 01-07-2010 |
| 20100190560 | FLANGE JOINT - Methods and apparatus are provided for assembling a flange joint for use in a driveline. In an exemplary embodiment the apparatus includes a first flange with a first recess. A second flange may be configured to join with the first flange for translating rotational motion between the first flange and the second flange, the second flange having a second recess corresponding in position to the first recess in the first flange. A shear force member may have a first part configured to contact the first recess and a second part opposite the first part configured to contact the second recess, the second part may have an inclined surface. Multiple fasteners may connect the first flange to the second flange such that the inclined surface of the shear force member is held in contact with the second recess. | 07-29-2010 |
| 20110130212 | Variable Axial-Angle Coupling - The present invention provides a constant velocity joint comprising: a. n coaxial input shafts rotatable around an input axis of rotation by m sources of independent torques; b. n coaxial input transmission means, each of which is coupled to one of said n input shafts; said input transmission means defining a first plane substantially perpendicular to said input axis of rotation; c. n coaxial second transmission means rotatably connected to said n input transmission means; said second transmission means rotating in a second plane; d. n coaxial output transmission means rotatably connected to said n second transmission means; said output transmission means rotating in a third plane; e. n coaxial output shafts, each is coupled to one of said n output transmission means; wherein the angle between said input axis of rotation and said output axis of rotation varies in said second plane in an unlimited angular range. | 06-02-2011 |
| 20120244954 | SLIDING BLOCK FOR AN ARTICULATED SPINDLE - An articulated spindle ( | 09-27-2012 |
| 20130095932 | CONSTANT-VELOCITY BALL JOINT - It is an object of the present invention to provide a constant-velocity ball joint which can improve the duration of life by improving the strength and the rigidity of the cage. | 04-18-2013 |
| 20130344970 | Transmission device for transmitting a force and a torque in a medical instrument - A transmission device for transmitting a force and a torque between a handling device and a tool of a medical instrument includes transmission members interconnected in a hinged manner. A convex coupling portion of a first transmission member is in each case held interlockingly in a concave coupling portion of an adjacent second transmission member in such a way that a rotation of the first transmission member about its longitudinal axis causes a rotation of the second transmission member about its longitudinal axis. A convex coupling portion of a first transmission member is in each case held interlockingly in a concave coupling portion of an adjacent second transmission member in such a way that a tensile force can be transmitted between the first transmission member and the second transmission member. | 12-26-2013 |
| 464151000 | Intermediate element is externally grooved or ribbed sphere | 1 |
| 20120135811 | UNIVERSAL JOINT - A universal joint includes a pivotal member and two connecting assemblies. The two connecting assemblies are assembled to two ends of the pivotal member, respectively, such that the two connecting assemblies are rotatably assembled together via the pivotal member. The pivotal member defines four arc-shaped pivotal slots spaced to each other at an outer periphery thereof. Each connecting assembly includes two connecting members respectively assembled to the two symmetrical pivotal slots of the pivotal member, and are positioned at a same end of the pivotal member. | 05-31-2012 |
| 464152000 | Plural circumferentially spaced intermediate elements | 5 |
| 20080311999 | Cross shaft member and cross shaft joint with the same - A cross shaft member has four shaft portions arranged in a generally cross-shape around an outer periphery of a body portion thereof, and a recessed portion is formed in the body portion, and has a depth in a direction perpendicular to a plane in which axes of the four shaft portions lie. Four ridge-like thickened portions are formed in the recessed portion, and are equally spaced from one another, and extend diagonally with respect to the axes of the shaft portions in the plane. | 12-18-2008 |
| 20090149264 | Accommodation housing for homokinetic joints - An accommodation housing for homokinetic joints, which are configured as fixed joints or displacement joints, for use in motor vehicles, to transfer torque. The tied-in homokinetic joints are connected with the accommodation housing by way of their outer rings. The accommodation housing consists of an accommodation housing part having a closure lid disposed in the accommodation housing part. A homokinetic joint is disposed in the accommodation housing part with force fit and shape fit, by way of the outer ring, relative to the inside wall of the accommodation housing part, and both the accommodation housing part and the closure lid are configured with connection elements having different structures. | 06-11-2009 |
| 20090275415 | DRIVE SHAFT ASSEMBLY FOR A DOWNHOLE MOTOR - A drive shaft assembly for a downhole motor includes a drive shaft formed with convexly spherical bearing surfaces on each end, and end housings with concavely spherical bearing surfaces for mating contact with the spherical bearing surfaces of the drive shaft, thereby facilitating omni-directional articulation between the drive shaft and the end housings while transferring axial thrust loads between the drive shaft and end housings across the interface of the mating spherical bearing surfaces. Torque is transferred between the drive shaft and end housings through two or alternatively four swivelling drive keys mounted to each end of the drive shaft and engageable with complementary drive key slots in the end housings. Full and constant torque-transferring contact is thus provided between the swivelling drive keys and the end housings irrespective of any angular offset between the drive shaft and the end housings, resulting from omni-directional articulation of the drive shaft relative to the end housing. The omni-directional center of rotation at each end of the drive shaft coincides with the geometric centerpoint of the corresponding convexly spherical bearing surface, which corresponds to the intersection of the drive shaft's rotational axis, the end housing's rotational axis, and the drive key swivel axis. | 11-05-2009 |
| 20130324268 | CONSTANT VELOCITY JOINT FOR VEHICLE - A constant velocity joint apparatus for a vehicle may include an outer race, an inner race disposed inside the outer race, and a cage that may be disposed between the inner race and the outer race and has a plurality of ball tracks that may be formed on an spherical inner side of the outer race and an spherical outer side of the inner race to retain balls disposed between the outer race and the inner race, wherein a first ball track-pressing angle applied to the balls from the ball tracks of the outer race and a second ball track-pressing angle applied to the balls from the ball tracks of the inner race may be set different. | 12-05-2013 |
| 20160040484 | U-Joint With High Torque Capacity And Improved Thrust Bearing Capacity - An assembly, apparatus, and method relate to a downhole motor drive shaft assembly drilling a subterranean wellbore. The assembly includes a drive shaft having a longitudinal rotational axis, a plurality of drive key sockets, an end housing having a longitudinal rotational axis, a plurality of circumferentially spaced axial keyways, and a concave spherical thrust bearing surface, and a drive key operatively connecting each drive key socket with a respective axial keyway for transferring torque from the drive shaft to the end housing. The drive key includes a substantially planar drive face slidably engaging the axial keyway, and a radiused, cylindrical back portion rotatably engaging the drive key socket, the substantially planar drive face and radiused, cylindrical back portion forming a nominal half-circle. | 02-11-2016 |
| 464153000 | Intermediate element includes internal openings at opposite ends for receiving axially spaced ends on drive and driven members | 3 |
| 20120142439 | SHAFT-AND-YOKE COUPLING STRUCTURE AND VEHICLE STEERING SYSTEM - Provided is a shaft-and-yoke coupling structure for coupling a steering transmission shaft and a yoke of a universal joint. An end portion of the steering transmission shaft joined to the yoke has a stepped portion and an insertion convex portion protruding from the stepped portion in the axial direction of the steering transmission shaft. The yoke has an annular receiving portion facing and fixed to the stepped portion via a welded portion and an insertion recess portion surrounded by the receiving portion in which the insertion convex portion is inserted. The insertion convex portion and the insertion recess portion are arranged to be engaged with each other with a predetermined amount of play in the direction of rotation when the welded portion is broken. | 06-07-2012 |
| 20130331193 | Constant Velocity Universal Joint - In a universal joint, a connector member with jacket connects joint halves, each having a ball joint with first connection to the connector member; shaft with eccentric arm; and inner piece with first and second orthogonal axes. A second connection, rotary around the first axis, connects eccentric arm and inner piece. Shaft axis and first axis extend orthogonally. The ball joint has third connection to the shaft rotary around the shaft axis. Fourth connection, rotary around the second axis, connects inner piece and connector member. The first connection is rotary around an axis orthogonal to the second axis and in a common plane with the first axis. A pivot point of the ball joint is offset to the rotary axis of the first connection and the shaft axis. The inner piece extends through first or a second opening of the jacket. The fourth connection is placed within the jacket. | 12-12-2013 |
| 20150298302 | DRIVING HEAD-CHANGEABLE TOOL - A driving head-changeable tool is provided. An outer sleeve defines a central axis and has an end peripheral edge which has corner portions and blocking flanges therebetween and a circumferential sliding slot. An inner sleeve is rotatably sleeved by the outer sleeve and has opposite first and second connecting ends. An inner wall of the first connecting end has axial concaves. A limitation mechanism is mounted to the inner sleeve and extends into and movable relative to the sliding slot. As viewed in an axial direction, when the limitation mechanism is located in a lock position, the outer and inner sleeves are unrotatable relative to each other and each concave overlaps with one the blocking flange; when the limitation mechanism is located in a release position, the outer and inner sleeves are rotatable relative to each other and each concave corresponds to one the corner portion. | 10-22-2015 |
| 464155000 | Intermediate element includes external surface at opposite ends received in complementary openings in axially spaced ends of driving and driven members driven members | 4 |
| 20120122595 | DRIVE MECHANISM FOR TRANSMITTING ROTATIONAL TORQUE - A drive mechanism for transmitting rotational force including a drive member for applying the rotational force and a driven member to be turned by the drive member. One of the members has a socket forming an internal oval female contact surface and the other member has an end forming an external, circumferential, oval male contact surface dimensioned to be received in and to engage the female contact surface for the transmission of the rotational force. | 05-17-2012 |
| 20120196690 | Drive Shaft Constant Velocity Joint Assembly with Radial Elliptical Projections - A driveshaft assembly includes a driveshaft with a pair of constant velocity joints disposed at each end of the driveshaft. Each of the constant velocity joints provides torque transfer from the driveshaft to an adapter disposed to driveshaft using a plurality of elliptical projections that mate with interior grooves of the adapter. Stress concentration on the projections may be reduced in some embodiments by providing a variable radius fillet around each of the projections at the intersection of the projection with the driveshaft. | 08-02-2012 |
| 20140004963 | TELESCOPIC UNIVERSAL JOINT | 01-02-2014 |
| 20150051004 | SYSTEMS AND METHODS FOR INCREASING THE LIFE OF DOWNHOLE DRIVESHAFT ASSEMBLIES - An embodiment of a method for drilling a borehole into an earthen formation, the method including contacting a first end housing at a first axial position with a first drive key, wherein the first end housing has a central axis, a first end, a second end opposite the first end, and a first receptacle extending axially from the first end, and wherein the first drive key is disposed within the first receptacle in the first end housing and radially disposed between the first end housing and a driveshaft. In addition, the method includes transferring torque between the first end housing and the driveshaft via the first ball during. Further, the method includes, contacting the first end housing at a second axial position with the first drive key or a second drive key after (b), wherein the second axial position is axially spaced from the first axial position. | 02-19-2015 |
