Entries |
Document | Title | Date |
20080214316 | Ball-and-Socket Joint and Universal Shaft - A ball-and-socket joint comprising an inner hub ( | 09-04-2008 |
20080220886 | Constant Velocity Joint - A constant velocity join has an input shaft side member having first guiding grooves formed in it; an output shaft member having guiding grooves formed in it, the second guiding grooves intersecting the first guiding grooves; a retainer having retaining windows formed in it; and a torque transmission member that is held so as to be displaceable along the retaining windows of the retainer and in which a first ring body and a second ring body are rotatably supported by a first shaft body and a second shaft body through a needle bearing, the first shaft body and the second shaft body being in rotating contact with side walls of the first guiding grooves and/or with side walls of the second guiding grooves. | 09-11-2008 |
20080234057 | Slidable constant velocity universal joint - Provided is a slidable constant velocity universal joint which holds an elastic member (coil spring) in a stable attitude even if an associated shaft makes an oscillating motion, thereby achieving an improvement in terms of stability in torque transmission. The slidable constant velocity universal joint includes an outer joint member ( | 09-25-2008 |
20080242432 | Displacement Unit and Joint Shaft Including such a Displacement Unit - A displacement unit and a jointed shaft which includes such a displacement unit. The displacement unit is formed of an external part and of an internal part which can be displaced in an axial direction in the external part, in which the external and internal parts have guide paths provided with balls arranged in the guide paths for the transmission of torque. | 10-02-2008 |
20080248885 | Constant Velocity Ball Joint - A ball and socket joint ( | 10-09-2008 |
20080305878 | CONSTANT VELOCITY JOINT - A constant velocity joint having an inner hub and an outer hub ( | 12-11-2008 |
20090017921 | Self-retained constant velocity joint - A self-retained constant velocity joint has a ring-shaped cage disposed substantially concentrically to and spaced radially from a race of the joint. A plurality of grooves in and distributed circumferentially about the race preferably includes longitudinal, clockwise and counter-clockwise grooves that extend substantially axially and communicate radially through the arcuate surface. A ball is located in each groove and extends through respective windows in the cage. Preferably, the windows associated with the clockwise and counter-clockwise grooves extend circumferentially further than the windows associated with the longitudinal grooves. The cage carries an arcuate face that is one of a convex and concave profile and radially opposes the arcuate surface that is the other of the convex and concave profiles. The radial distance between the face and surface is such that axial movement between the race and cage is limited by intermittent contact of the face with the surface. | 01-15-2009 |
20090017922 | Fixed-center constant velocity joint - A fixed-center constant velocity joint has a race located concentrically to a rotational first axis, and a ring-shaped cage located concentrically to a rotational second axis. Both the race and the cage are centered to a common center point lying on the first and second axes regardless of the angular state of the joint. A spherical surface carried by the race radially opposes a spherical face carried by the cage for angular movement with respect to the center point. The surface and face are in close or contacting relationship to prevent telescoping movement with respect to the first and second axes. | 01-15-2009 |
20090054165 | Constant Velocity Universal Joint and Inner Member of the Same - Automatic installation of a circlip is facilitated even when an axial length (inner race width) of a protrusion of an inner race is reduced. An inner race ( | 02-26-2009 |
20090054166 | Fixed Constant-Velocity Universal Joint - The present invention provides a fixed constant velocity universal joint that can be made compact, has little decrease in load capacity even when the fixed constant velocity universal joint is made compact and is at an operating angle, and can improve high angle strength and durability through lessening instances in which a ball runs over a track at a high angle. A cage | 02-26-2009 |
20090062022 | CONSTANT VELOCITY FIXED JOINT - A constant velocity fixed joint having an outer and inner joint part forming pairs of ball tracks, wherein the track base lines of the pairs of tracks each form an opening angle relative to one another. The track base lines of the outer ball tracks, at the attaching part end, form a radius whose center is positioned on a first longitudinal axis and is offset by a first offset from the central plane of the outer joint part towards the attaching part. The track base lines of the inner ball tracks, at the aperture end, comprise a radius whose center is positioned on the second longitudinal axis and is offset by a second offset from the central plane of the inner joint part towards the aperture. | 03-05-2009 |
20090069101 | Cross Groove Constant Velocity Universal Joint - A cross groove constant velocity universal joint for a drive shaft or a propeller shaft of an automotive vehicle includes an inner ring ( | 03-12-2009 |
20090137326 | Constant velocity joint - A joint outer ring ( | 05-28-2009 |
20090143150 | FIXED CENTER CONSTANT VELOCITY JOINT WITH DIFFERENT FUNNEL OFFSETS - A fixed center constant velocity joint includes a first group of funnels and a second group of funnels arranged radially about a longitudinal axis in alternating relationship. The first group of funnels diverges in a first direction and the second group of funnels diverges in a second direction opposite the first direction along the longitudinal axis. The first group of funnels defines a first diverging width increasing in value along the longitudinal axis and the second group of funnels defines a second diverging width increasing in value at a different rate than the first diverging width to bias the joint in one of the first direction and the second direction. | 06-04-2009 |
20090143151 | Slip joint of steering apparatus for vehicle - Disclosed is a slip joint of a steering apparatus for a vehicle, the slip joint including: an outer member having a plurality of first assembling recesses; an inner member being inserted within the outer member and having a plurality of second assembling recesses; and a slip bush, which is inserted between the outer member and the inner member and has mounting parts, into which balls and rollers inserted, and elastic parts having one side cut out in an axial direction, each mounting part having a plurality of first mounting holes and a plurality of second mounting holes. Each elastic part transfers power while compensating for clearance even when the balls disposed between the inner member and the outer member of the slip joint are worn away so that a rattling noise generated due to clearance is removed, and steering stability and durability of the slip joint can be improved. | 06-04-2009 |
20090143152 | COUNTER TRACK JOINT WITH BALL CAGE - A constant velocity joint in the form of a counter-track joint. The circumferential length (L | 06-04-2009 |
20090149263 | FIXED CENTER CONSTANT VELOCITY JOINT - A constant velocity joint includes an outer member defining a plurality of outer member ball tracks and an inner member defining a plurality of inner member ball tracks. The outer member ball tracks and the inner member ball tracks cooperate to define a plurality of uniform funnels having a uniform width along a longitudinal axis, and a plurality of diverging funnels having a diverging width along the longitudinal axis. A drive ball is disposed within each of the uniform funnels and the diverging funnels. A cage is disposed between the outer member and the inner member, and defines a plurality of windows with one of the drive balls disposed within each of the windows. The diverging funnels urge the drive balls along the longitudinal axis to pre-load the cage, while the uniform funnels do not urge the drive balls along the longitudinal axis, thereby reducing the amount of heat generated between the cage and the drive balls. | 06-11-2009 |
20090239669 | Joint Assembly and a Total Assembly of Bearing Apparatus for a Driving Wheel - A joint assembly has a secured type constant velocity universal joint, a slide type constant velocity universal joint, and substantially cylindrical elastomer unit covers. The secured type constant velocity universal joint includes one outer joint member formed with a plurality of curved and axially extending first track grooves on its inner circumference. A joint inner ring is formed on its outer circumference with second track grooves opposite to the first track grooves. Torque transmitting balls are contained within ball tracks formed by the first and second track grooves. A cage rollably holds the torque transmitting balls within the ball tracks. A drive shaft has one end connected to the joint inner ring. A boot is mounted on the drive shaft and on an outer circumference at an opened side of the one outer joint member. The slide type constant velocity universal joint includes a boot mounted on the drive shaft and on an outer circumference at an opened side of the outer joint member. The unit covers have reduced diameter portions and are mounted on the outer circumferences of both the constant velocity universal joints. Each of the unit covers is formed as two parts divided along a parting plane including its axis. Each has radially extending flat abutting surfaces on the parting plane. Fastening portions are formed on the abutting surfaces and adapted to be engaged, via an elastic deformation of them, so that the unit covers are detachably mounted on both the constant velocity universal joints. | 09-24-2009 |
20090258716 | Fixed Constant Velocity Universal Joint - Provided is a fixed constant velocity universal joint of a structure, which easily allows incorporation of an inner ring into a cage without impairing a function of the joint. The fixed constant velocity universal joint has an outer ring having in an inner spherical surface thereof a plurality of track grooves arranged at equal circumferential intervals and extending axially toward an open end; an inner ring ( | 10-15-2009 |
20090298598 | OPTIMIZED CONSTANT-VELOCITY FIXED JOINT WITH BALL TRACKS FREE FROM UNDERCUTS - Constant-velocity fixed joints may comprise an outer joint part with outer ball tracks, an inner joint part with inner ball tracks, torque transmitting balls which are guided in pairs of tracks each formed of an outer and an inner ball track, and a ball cage with circumferentially distributed cage windows in which the balls are received. Here, the balls are held in a common central plane and are guided onto the bisecting plane when the joint is deflected. Constant-velocity rotary joints of this type are known as Rzeppa fixed joints (RF) or as undercut-free fixed joints (UF). | 12-03-2009 |
20090305795 | LONGITUDINAL SHAFT - A longitudinal shaft, for use in particular in four-wheel drive or rear-wheel drive motor vehicles includes a gearbox-side articulation, a differential-side articulation, as well as a central articulation through which a gearbox-side section is integrally linked in rotation to a differential-side section of the longitudinal shaft. To reduce the centrifugal forces occurring at the longitudinal shaft in operation. Therefore, the gearbox-side articulation and the differential-side articulation have each an inner hub, designed to connect the longitudinal shaft integrally in rotation respectively to a gearbox output shaft and to a differential input shaft, the longitudinal shaft being centered on the gearbox output shaft and the differential input shaft by interlocking through the inner hubs. | 12-10-2009 |
20100016086 | CONSTANT VELOCITY UNIVERSAL JOINT - In the fixed type constant velocity universal joint, the center of each of the guide grooves of the outer joint member is offset to a position of being spaced apart from the joint central plane to the joint opening side by an axial distance (F), and being spaced apart from the joint central axis line to an opposite side in a radial direction with respect to each of the guide grooves by a radial distance (Fr). Further, the center of each of the guide grooves of the inner joint member is offset to a position of being spaced apart from the joint central plane to a joint innermost side by the axial distance (F), and being spaced apart from the joint central axis line to the opposite side in the radial direction with respect to each of the guide grooves by the radial distance (Fr). | 01-21-2010 |
20100029395 | COUNTER TRACK JOINT FOR LARGE ARTICULATION ANGLES - A constant velocity counter track joint having an outer joint part with outer ball tracks having first tracks opening toward the aperture end and second tracks opening toward the attaching end. The center line of the second tracks, departs, radially inwardly, a first reference radius centered in the point of intersection of a perpendicular line on the tangent at the center line of the ball track and the longitudinal axis. In the inner joint part, the center line of the ball tracks departs, radially inwardly, a second reference radius centered in the point of intersection of a perpendicular line on the tangent at the center line of the ball track and the longitudinal axis. In the outer joint part, the center line of the ball tracks towards the aperture end, moves radially outwardly beyond said first reference radius. In the inner joint part, the center line of the ball tracks towards the attaching end, moves radially outwardly beyond said second reference radius. | 02-04-2010 |
20100035696 | DRIVESHAFT COMPRISING A COUNTER TRACK JOINT FEATURING A DELIMITED AXIAL DISPLACEMENT PATH - A constant velocity universal ball joint | 02-11-2010 |
20100062865 | FIXED TYPE CONSTANT VELOCITY UNIVERSAL JOINT - Provided is a fixed type constant velocity universal joint capable of, without involving decreases in load capacity of an inner joint member (inner member) and in spherical area, increasing rigidity of a cage and stabilizing durability. Pockets ( | 03-11-2010 |
20100069165 | Opposed path joint - An opposed path joint comprising an inner hub, which is provided with first inner grooves and second inner grooves, and comprising an outer hub, which is provided with first outer grooves and second outer grooves that respectively form a pair with the first and second inner grooves. The opposed path joint also comprises an annular cage, which is placed between the inner hub and the outer hub and which has a radial openings whose number corresponds to that of the groove pairs. Balls that engage inside the grooves are guided inside these radial openings. According to the invention, the outer hub of the opposed path joint is a single-piece closed ring, in which the outer grooves are formed without cutting. Alternatively, the outer hub has at least two elements that are located one behind the other on the outer hub axis and, together, center the cage. | 03-18-2010 |
20100087262 | PLUNGING TYPE CONSTANT VELOCITY UNIVERSAL JOINT - To easily achieve reduction in weight and size and increase in durability even when contact force at contact portions with respect to balls increases. A plunging type constant velocity universal joint includes: an inner joint member ( | 04-08-2010 |
20100113168 | CONSTANT VELOCITY UNIVERSAL JOINT - Provided is a constant velocity universal joint capable of being smoothly rotated even when a high operating angle is formed and large torque is born and of reducing excessive load applied to the cage so as to strengthen the cage. The constant velocity universal joint includes an outer joint member having an inner spherical surface ( | 05-06-2010 |
20100120546 | BOOT FOR CONSTANT-VELOCITY UNIVERSAL JOINT AND CROSS-GROOVED CONSTANT-VELOCITY UNIVERSAL JOINT - A boot for constant-velocity universal joint comprises a major-diameter cylindrical portion | 05-13-2010 |
20100130290 | DOUBLE-OFFSET CONSTANT VELOCITY UNIVERSAL JOINT - The outer peripheral surface ( | 05-27-2010 |
20100173714 | FIXED CONSTANT VELOCITY UNIVERSAL JOINT AND METHOD FOR MANUFACTURING OUTER RACE THEREOF - A fixed constant velocity universal joint includes: an outer race ( | 07-08-2010 |
20100173715 | FIXED TYPE CONSTANT VELOCITY UNIVERSAL JOINT - Provided is a fixed type constant velocity universal joint which is capable of reducing the size and weight while keeping the strength of a cage, and is also capable of improving the high angle strength and the durability. In the fixed type constant velocity universal joint, a center curvature of an outer spherical surface ( | 07-08-2010 |
20100190558 | FIXED TYPE CONSTANT VELOCITY JOINT - A constant velocity joint for a drive system comprises: an outer race having an inner spherical surface, and a plurality of guide grooves formed in an axial direction in the inner spherical surface of the outer race; an inner race having an outer spherical surface, and a plurality of guide grooves formed in an axial direction in the outer spherical surface of the inner race, said guide grooves of the outer race and said guide grooves of the inner race together forming a plurality of ball guide tracks; a plurality of balls disposed in the ball guide tracks; and a cage installed between the inner spherical surface of the outer race and the outer spherical surface of the inner race, said cage having a plurality of windows for retaining the balls therein; wherein each of the guide grooves of the outer race is shaped to have a longitudinal cross section formed with two circular regions with different centers, a first circular region disposed at a first lateral side of the outer race and a second circular region disposed at a second lateral side of the outer race, and a linear region tangentially extending between these two circular regions; and wherein each of the guide grooves of the inner race is shaped to have a longitudinal cross section formed with two circular regions with different centers, a first circular region disposed at a first lateral side of the inner race and a second circular region disposed at a second lateral side of the inner race, and a linear region tangentially extending between these two circular regions. | 07-29-2010 |
20100210368 | CONSTANT VELOCITY UNIVERSAL JOINT - In order to ensure sufficient strength of an inner joint member even when the thickness of the inner joint member is reduced for achieving reduction in weight and size and even when a high operating angle is formed and high load torque is applied, a constant velocity universal joint includes: an outer joint member ( | 08-19-2010 |
20100216558 | FIXED TYPE CONSTANT VELOCITY JOINT - A fixed type constant velocity joint comprises: an outer race having an inner spherical surface, and a plurality of guide grooves formed in an axial direction in the inner spherical surface of the outer race, each guide groove having a circular shape in a longitudinal cross section thereof; an inner race having an outer spherical surface, and a plurality of guide grooves formed in an axial direction in the outer spherical surface of the inner race, each guide groove having a circular shape in a longitudinal cross section thereof, said guide grooves of the outer race and said guide grooves of the inner race together forming a plurality of ball guide tracks arranged around the circumference of the joint; a plurality of balls disposed in the ball guide tracks; and a cage installed between the inner spherical surface of the outer race and the outer spherical surface of the inner race, said cage having a plurality of windows for retaining the balls therein. The ball guide tracks include first tracks and second tracks with different groove configurations and having dual, multiple, or differentiated center offsets with smaller offsets applied to the tracks having relatively large ball movements and larger offsets applied to the tracks having relatively small ball movements as the joint is articulated for assembling. | 08-26-2010 |
20100216559 | HOMOKINETIC PLUNGING BALL JOINT WITH LOW PLUNGING FORCES - A homokinetic rotary ball joint in the form of a plunging joint is described. The joint comprises a joint outer part | 08-26-2010 |
20100227696 | Displacement Unit and Universal Shaft Comprising a Displacement Unit - The invention relates to a displacement unit and to a universal shaft comprising said type of displacement unit. Said displacement unit comprises a tubular-type external part on whose inner surface outer paths are provided at least in sections, an inner part that can be displaced in an axial direction in the external part, on whose outer surface inner paths are arranged at least on sections, and balls that are guided in a cage, said balls being arranged for transmitting torque, respectively in outer and inner paths that are arranged in pairs. The external part and/or the inner part comprise cage guide paths for displacing the cage axially, arranged between at least a few of the outer paths or the inner paths. The number of cage guide paths is smaller than the number of pairs of paths formed by the outer paths and the inner paths. | 09-09-2010 |
20100234115 | Constant velocity universal joint - The present invention provides a compact constant velocity universal joint having high strength, and superior operability and durability. In the constant velocity universal joint of the present invention, an offset angle ø | 09-16-2010 |
20100234116 | FIXED CONSTANT VELOCITY UNIVERSAL JOINT - Provided is a fixed type constant velocity universal joint capable of obtaining, in every angular region, wear resistance against rolling of balls and a stable high fatigue strength characteristic. The fixed type constant velocity universal joint includes: an outer joint member including an inner surface ( | 09-16-2010 |
20110045914 | CAGE FOR CONSTANT VELOCITY UNIVERSAL JOINT - Provided is a cage for a constant velocity universal joint, which is capable of extending a life of a cutting tool and achieving reduction in manufacturing cost. The cage for a constant velocity universal joint includes: an outer diameter surface guided by an outer joint member; an inner diameter surface ( | 02-24-2011 |
20110059804 | FIXED-TYPE, CONSTANT-VELOCITY UNIVERSAL JOINT - Provided is a fixed type constant velocity universal joint which is capable of achieving the following even at the time of an unexpected high-angle operation, in particular, even when an angle expected during use of a constant velocity universal joint is exceeded: reduction of stress generated when balls and edge portions interfere with each other, suppression of chipping of the edge portions, and prolongation of a service life of the joint as a whole. The fixed type constant velocity universal joint includes: an outer joint member having an inner surface ( | 03-10-2011 |
20110065519 | FIXED UNIFORM-MOTION UNIVERSAL JOINT - Provided is a fixed type constant velocity universal joint of an eight-ball undercut-free type, which is capable of achieving an improvement of torque capacity at a high operating angle while ensuring durability at the time of a low operating angle. In the fixed type constant velocity universal joint of the eight-ball undercut-free type, a center of a track groove ( | 03-17-2011 |
20110092300 | METHOD FOR PRODUCING A TORQUE TRANSMISSION DEVICE USEFUL AS A FIXED CONSTANT VELOCITY BALL JOINT FOR DRIVE SHAFTS - A method for producing a torque transmission device such as a fixed constant velocity ball joint constructed as an opposed track joint in which the curvatures bases of the tracks of the joint deviate in their axial course from the curvatures of the ball contact lines. The method is characterized in that prior to the formation of a longitudinal profile of a joint component, the component is brought to an increased hardness by a hardening process and a diffusion layer is partially or completely removed in the region of the longitudinal profile. | 04-21-2011 |
20110212788 | FIXED CONSTANT VELOCITY UNIVERSAL JOINT, METHOD OF MANUFACTURING FIXED CONSTANT VELOCITY UNIVERSAL JOINT, AND BEARING DEVICE ADAPTED FOR USE IN DRIVING WHEEL AND USING FIXED CONSTANT VELOCITY UNIVERSAL JOINT - Provided is a fixed type constant velocity universal joint, including: an outer joint member having an inner spherical surface provided with a plurality of track grooves extending in an axial direction; an inner joint member having an outer spherical surface provided with a plurality of track grooves extending in the axial direction in pairs with the plurality of track grooves of the outer joint member; a plurality of balls interposed between the plurality of track grooves of the outer joint member and the plurality of track grooves of the inner joint member so as to transmit torque; and a cage interposed between the inner spherical surface of the outer joint member and the outer spherical surface of the inner joint member so as to hold the plurality of balls, at least one of the plurality of track grooves of the outer joint member and the plurality of track grooves of the inner joint member being formed by cold-forging finishing, in which components including the outer joint member, the inner joint member, the plurality of balls, and the cage are assembled to each other based on matching in which the plurality of balls and the cage each having a rank corresponding to a measured value of a PCD of the outer joint member, which has been arbitrarily selected, and to a measured value of a PCD of the inner joint member, which has been arbitrarily selected, are selected with respect to the arbitrarily selected outer joint member and the arbitrarily selected inner joint member. | 09-01-2011 |
20110212789 | FIXED CONSTANT VELOCITY UNIVERSAL JOINT - Wedge angles are formed between mutually facing central track-groove portions ( | 09-01-2011 |
20120015751 | Constant Velocity Ball Joint - A joint, particularly a constant velocity ball joint, including an inner hub and an outer hub, which hubs exhibit respective inner and outer ball tracks which are associated with each other in pairs, and further including balls disposed in the pairs of associated inner and outer ball tracks, the tracks being configured such that at the contact points of the balls with the ball tracks the tangential planes form an angle of inclination, and the ball tracks exhibiting at any given time a continually changing curvature, as a result of which the angle of inclination is constant. | 01-19-2012 |
20120108348 | Ball Joint - A ball joint having an inner hub which has an inner hub axis and an outer surface, in which inner races and cage guide surfaces are arranged in the inner hub; an outer hub which has an outer hub axis and an inner surface, in which outer races and cage guide surfaces are arranged in the outer hub, and a cage which is ring-shaped and has a cage axis. The inner surface of the cage extends in the direction of the cage axis, the outer surface of the cage extends away from the direction of the cage axis, an inner race is constructed to extend straight and/or parallel to the inner hub axis, and an outer race is constructed to extend straight and/or parallel to the outer hub axis. | 05-03-2012 |
20120129616 | Constant Velocity Joint and Drive Shaft - The invention relates to a constant velocity joint having an inner race ( | 05-24-2012 |
20120165105 | FIXED TYPE CONSTANT VELOCITY UNIVERSAL JOINT - Provided is a fixed type constant velocity universal joint, which is capable of preventing heat generation when high load is applied or during high-speed rotation to improve durability, and further, suppressing a contact resistance between a cage and inner and outer races to improve constant velocity performance. A curvature center of a track groove ( | 06-28-2012 |
20120184381 | Sliding Joint - A sliding joint for motor vehicles, having an inner race which includes inner running grooves, an outer race which includes outer running grooves, a cage, and balls. The inner running grooves are constructed parallel to each other in the axial dimension and include a displacement segment and a functional segment, and the outer running grooves are likewise constructed parallel to each other in the axial dimension and also include a displacement segment and a functional segment. | 07-19-2012 |
20120184382 | FIXED TYPE CONSTANT VELOCITY UNIVERSAL JOINT - Provided is a fixed type constant velocity universal joint which can prevent stick slip from occurring due to lack of lubricity, and prevent abnormal noises from occurring at low temperatures, even during use in an extremely cold region. The fixed type constant velocity universal joint which has grease enclosed therein and is provided with an outer joint member | 07-19-2012 |
20120220382 | FIXED TYPE CONSTANT VELOCITY UNIVERSAL JOINT - Provided is an eight-ball fixed type constant velocity universal joint of an undercut free type, which is capable of increasing a torque capacity at high operating angles while securing durability at low operating angles. When a distance between a center of a track groove ( | 08-30-2012 |
20120238370 | CROSS GROOVE TYPE CONSTANT VELOCITY JOINT WITH COMPOSITE GROOVE PATTERNS - A constant velocity joint for a drive system comprises: an outer joint member having a plurality of inwardly facing outer ball grooves, the outer ball grooves consisting of a first group of grooves and a second group of grooves with composite or non-linear groove pattern; an inner joint member disposed inside the outer joint member and having a plurality of outwardly facing inner ball grooves consisting of a first group of grooves and a second group of grooves with composite or non-linear groove pattern, each inner ball groove of the inner joint member being coupled with a corresponding outer ball groove of the outer joint member generally in crossed pair. | 09-20-2012 |
20120329565 | Cage for Ball Joint and Ball Joint - A cage for a ball joint, the cage being configured annularly about a longitudinal axis and having an inner surface and an outer surface, two edges delimiting the inner surface and the outer surface and a window, in which the inner surface surrounds an inner space of the cage and two webs laterally adjoin the window. One edge of the cage has an offset relative to the longitudinal axis in relation to one of the two webs at the height of the window. A ball joint with a corresponding cage is also disclosed. | 12-27-2012 |
20130012326 | CONSTANT VELOCITY UNIVERSAL JOINT - Provided is a constant velocity universal joint having track shapes which facilitate quality control on a forging die set and products as in a conventional case while securing higher durability through securement of a stable contact state of forging-molded tracks and finishing-processed tracks with respect to balls. At least one of each of track grooves ( | 01-10-2013 |
20130072312 | High Angle Plunge Joint - A high angle plunging constant velocity joint includes an outer race, an inner race, a plunging cage, a plurality of balls and a shaft. The outer race is defined by inner and outer surfaces, wherein the inner surface contains a plurality of double offset tracks. The inner race includes a plurality of corresponding double offset tracks disposed within a bore of the outer race. An outer surface of the inner race defines a first radius. The plunging cage is defined by an inner surface and an outer surface. The plunging cage is disposed between the inner race and outer race. The inner surface of the plunging cage is defined by a second radius that is less than the first radius. The plurality of balls are arranged within the cage and contact the double offset tracks of the inner and the outer race. The shaft is connected to the inner race. | 03-21-2013 |
20130079163 | CROSS GROOVE TYPE CONSTANT VELOCITY JOINT WITH COMPOSITE GROOVE PATTERNS - A constant velocity joint for a drive system comprises: an outer joint member having a plurality of inwardly facing outer ball grooves, the outer ball grooves consisting of a first group of grooves and a second group of grooves with composite or non-linear groove pattern; an inner joint member disposed inside the outer joint member and having a plurality of outwardly facing inner ball grooves consisting of a first group of grooves and a second group of grooves with composite or non-linear groove pattern, each inner ball groove of the inner joint member being coupled with a corresponding outer ball groove of the outer joint member generally in crossed pair; and a cage having circumferentially displaced cage windows to accommodate a plurality of balls therein. The groove patterns of the ball grooves can be a combination of skewed grooves and non linear grooves, a combination of non linear of linear grooves and non linear grooves. | 03-28-2013 |
20130102397 | FIXED-TYPE CONSTANT VELOCITY UNIVERSAL JOINT - In a fixed type constant velocity universal joint ( | 04-25-2013 |
20130109483 | FIXED-TYPE CONSTANT VELOCITY UNIVERSAL JOINT | 05-02-2013 |
20130116056 | ANGLED OFFSET BALL TYPE CONSTANT VELOCITY JOINT FOR VEHICLE - An angled offset ball type constant velocity joint for a vehicle, which can enhance the strength of the joint by compensating for a contact surface pressure between an outer race groove and a ball while maintaining an outer diameter of the outer race by making rotation centers of the outer race and the inner race positioned to be symmetrical with respect to each other by an offset angle. The angled offset ball type constant velocity joint includes an inner race connected to an end of a shaft, an outer race installed outside the inner race, a plurality of balls for transmitting a torque of the inner race to the outer race, and a cage having windows for supporting the respective balls, wherein a rotation center of an outer race ball track is symmetrical with a rotation center of an inner race ball track by an offset angle. | 05-09-2013 |
20130123027 | Ball type constant velocity joint for vehicle - Provided is a ball type constant velocity joint for a vehicle. The ball type constant velocity joint includes an inner race installed at an end of a shaft, an outer race installed outside the inner race, a plurality of hails for transmitting rotational power of the inner race to the outer race, and a cage having windows for supporting the balls, wherein a ball track of the outer race is divided into two sections consisting of an outer race radial track and an outer race linear track contiguous to the outer race radial track, and when a joint angle is not created, a rotation center of the outer race radial track and a rotation center of the inner race linear track are positioned at the same point on a vertical center axis and have the same vertical offset amount. | 05-16-2013 |
20130130811 | SLIDING BALL TYPE CONSTANT VELOCITY JOINT FOR VEHICLE - Provided is a sliding ball type constant velocity joint for a vehicle, which can minimize vehicle vibration by forming a track groove pair by two track grooves of an outer race and an inner race to reduce a contact area between the inner race and a cage, and can reduce the manufacturing cost by reducing the number of processing steps of the cage by forming the number of windows of the cage to half that of balls. | 05-23-2013 |
20130237331 | Arrangement with Joint and Gearwheel Body - An arrangement with a joint and a gearwheel body for a transmission is provided in which the joint is a constant velocity joint arranged at least partially in an interior space enclosed by the gearwheel body. The constant velocity joint has inner and outer hub tracks and a bearing cage arranged to maintain an essentially constant control angle between tangential ball contact points with the inner and outer tracks while the bearing cage holds the balls in a plane. | 09-12-2013 |
20130267332 | FIXED-TYPE CONSTANT-VELOCITY UNIVERSAL JOINT - Provided is a fixed type constant velocity universal joint which suppresses heat generation under high load and in high speed rotation, has a higher durability, and involves less torque loss. The fixed type constant velocity universal joint includes eight or twelve torque transmitting balls ( | 10-10-2013 |
20130316838 | COUNTER TRACK JOINT WITH AXIAL DISPLACEMENT RANGE - A joint in the form of a counter track joint is disclosed that comprises a joint outer part with first outer ball tracks and second outer ball tracks; a joint inner part with first inner ball tracks and second inner ball tracks; wherein first aperture angles are respectively formed between tangents to contact points of a ball with the first outer ball track and with the first inner ball track, and second aperture angles are respectively formed between tangents to contact points between a ball with the second outer ball track and with the second inner ball track. The first aperture angles of the first track pairs open towards a first side of the joint, and the second aperture angles of the second track pairs open towards a second side of the joint., Outer axial play is provided between the joint outer part and the ball cage. Inner axial play is provided between the ball cage and the joint inner part. Axial play permits relative axial displacement of the joint inner part with respect to the joint outer part. | 11-28-2013 |
20140073441 | FIXED CONSTANT VELOCITY UNIVERSAL JOINT - A fixed type constant velocity universal joint has track grooves of an outer joint member including first and second track groove portions located on depth and opening sides, respectively. The first track groove portions each have a circular-arc part having a curvature center that is not offset in an axial direction with respect to a joint center, are inclined in a circumferential direction with respect to a joint axial line, and are adjacent to each other in the circumferential direction with their inclination directions opposite to each other. The second track groove portions have a different shape than the first track groove portions to increase an effective track length with respect to a maximum operating angle. The first and second track groove portions are connected respectively to each other on the opening side with respect to the joint center. | 03-13-2014 |
20140080612 | CONSTANT VELOCITY UNIVERSAL JOINT - A constant velocity universal joint smoothly operates under load and during speed rotation, and also suppresses heat generation and has enhanced durability. An offset in an axial direction between a center of curvature of each of track grooves and a center of curvature of an inner surface of an outer joint member, and an offset in the axial direction between a center of curvature of each of track grooves and a center of curvature of an outer surface of an inner joint member are each set to zero. The track grooves of the outer and inner joint members are each inclined with respect to an axial line. A circumferential length of each of pockets of a cage is set so that two pockets allow balls to be assembled therein at one time under a state in which the two pockets are exposed. | 03-20-2014 |
20140080613 | FIXED CONSTANT VELOCITY UNIVERSAL JOINT - An outer joint member has first and second track groove portions located respectively on depth and opening sides. The first track groove portions each have a circular-arc ball-raceway center line having a curvature center that is not offset in an axial direction with respect to a joint center. The second track groove portions each have a ball-raceway center line including a straight part to increase an effective track length at a maximum operating angle. Track grooves of an inner joint member each have a ball-raceway center line that is mirror-image symmetrical with a ball-raceway center line of the paired track groove of the outer joint member with respect to a plane passing through the joint center at an operating angle of 0°. | 03-20-2014 |
20140213374 | HIGH ANGLE CONSTANT VELOCITY JOINT AND BOOT - A high angle constant velocity joint having an outer joint member defined by inner and outer surfaces; an inner joint member having an outer surface, wherein the inner surface of the outer joint member and the outer surface of the inner joint define tracks, including a front track and a rear track for a joint articulation; a cage disposed between the outer joint member and the inner joint member and positioned adjacent to the tracks; a plurality of torque transmitting bails arranged within the cage and contacting at least one of the front track and the rear track; and a high angle sealing member secured to the outer surface of the outer joint member and providing a fluid barrier to the inner surface of the outer joint member. | 07-31-2014 |
20140221108 | CONSTANT VELOCITY UNIVERSAL JOINT AND METHOD FOR PRODUCING SAME - A constant velocity universal includes an outer joint member having an inner peripheral surface including track grooves that are formed at a plurality of positions on the inner peripheral surface and extend in an axial direction, and an inner joint member having an outer peripheral surface including track grooves that are formed at a plurality of positions on the outer peripheral surface and in pairs with the track grooves of the outer joint member, the track grooves extending in the axial direction. Balls are interposed between the track grooves of the outer and inner joint members. A track chamfer is provided at each boundary portion between each of the track grooves and the inner peripheral surface of the outer joint member, and a track chamfer is provided at each boundary portion between each of the track grooves and the outer peripheral surface of the inner joint member. | 08-07-2014 |
20140243104 | FIXED TYPE CONSTANT-VELOCITY UNIVERSAL JOINT - Track grooves of an outer joint member include first and second track groove portions positioned on interior and opening sides, respectively. Each first track groove portion has an arc shape with a curvature center at a position offset to the opening side with respect to a joint center. The first track groove portions are inclined in a peripheral direction of the outer joint member with respect to a joint axial line and adjacent to each other in the peripheral direction with their inclination directions opposite to each other. Each second track groove portion has a shape that is different than each of the first track groove portions so as to increase an effective track length at a maximum operating angle. The second track groove portions are connected to the first track groove portions at a position on the opening side with respect to the joint center. | 08-28-2014 |
20140309045 | FIXED TYPE CONSTANT VELOCITY UNIVERSAL JOINT - In a fixed type constant velocity universal joint, track grooves of an outer joint member include first and second track groove portions positioned on interior and open sides, respectively. Each of the first track groove portions includes an arc-shaped ball raceway center line having a curvature center prevented from being offset in an axial direction of the outer joint member with respect to a joint center. Planes each including at least the ball raceway center line and the joint center are inclined with respect to a joint axial line with their inclination directions opposite to each other in the first track groove portions, which are adjacent to each other in a peripheral direction of the outer joint member. Each of the second track groove portions includes a ball raceway center line having a straight part when being projected onto corresponding one of the planes. | 10-16-2014 |
20140329608 | FIXED TYPE CONSTANT VELOCITY UNIVERSAL JOINT - In a fixed type constant velocity universal joint, track grooves of an outer joint member include first track groove portions positioned on an interior side and second track groove portions positioned on an opening side. The first track groove portions each have an arc-shaped ball raceway center line having a curvature center that is prevented from being offset in an axial direction of the outer joint member with respect to a joint center. Planes each including at least the ball raceway center line and the joint center are inclined with respect to a joint axial line with their inclination directions alternately opposite to each other in the first track groove portions that are adjacent to each other in a peripheral direction of the outer joint member. | 11-06-2014 |
20150072795 | CONSTANT VELOCITY JOINT - A constant velocity joint comprises an outer joint part with a longitudinal axis and outer ball tracks, wherein the outer joint part comprises an attachment side and an aperture side; an inner joint part with a longitudinal axis and inner ball tracks; a torque transmitting ball in each pair of tracks; a ball cage with cage windows in which the balls are held, wherein in each angular position of the constant velocity joint there is enclosed an opening angle δ between an outer tangent T and an inner tangent T′ at the ball, wherein at least one of the pairs of tracks is designed such that, inside a small articulation angle range, which comprises at least the joint central plane EM, in at least one joint articulation angle β, an opening angle δ amounts to zero, and that inside a larger articulation angle range, an aperture side opening angle δ of a ball moving towards the aperture side of the outer joint part and an attachment side opening angle δ of a ball moving at the same joint articulation angle β towards the attachment side of the outer joint part do not equal zero and open in the same axial direction. | 03-12-2015 |
20150316108 | FIXED TYPE CONSTANT VELOCITY UNIVERSAL JOINT - Provided is a fixed type constant velocity universal joint, in which: each of first track groove portions positioned on an interior side of an outer joint member includes an arc part having a curvature center that is positioned without being offset in an axial direction with respect to a joint center; the first track groove portions are inclined in a peripheral direction with respect to a joint axial line (N-N) and adjacent to each other in the peripheral direction with their inclination directions opposite to each other; each of second track groove portions positioned on an opening side is formed into a different shape from a shape of the each of the first track groove portions so as to increase an effective track length at a maximum operating angle; the each of the first track groove portions and the each of the second track groove portions are connected to each other at a position on the opening side with respect to the joint center; each of track grooves of an inner joint member is formed so as to be mirror-image symmetrical with corresponding one of paired track grooves of the outer joint member with respect to a plane including the joint center and being perpendicular to the joint axial line at an operating angle of 0°; and an axial clearance between the inner joint member and a cage is set to be larger than an axial clearance corresponding to a clearance between each of balls and each of the track grooves. | 11-05-2015 |