Abstract: A constant velocity tripode joint is disclosed as having an outer joint part with an inner aperture and with uniformly circumferentially distributed recesses which widen the inner aperture and each of which include two opposed tracks. An inner joint part includes a center piece and three uniformly distributed tripode arms arranged radially relative to the center piece and each of which extends into one of the recesses. A roller assembly is mounted on each arm and in rolling contact with the tracks of the respective recess. Each roller assembly comprises at least two rollers that are independently rotatable relative to their respective tripode arm and that are at least indirectly supported on the tripode arm in the radial direction relative to the arm axis. A first roller rolls on the first of the two tracks and is spaced from the other track. A second roller rolls on the other one of the two tracks and is spaced from the first track.

Abstract: An outer joint part of a constant velocity universal joint comprises an externally cylindrical casing part. An inside is provided with tracks to allow the engagement of torque transmitting elements, and which further comprises a substantially annular flange part which is provided with a central inner recess and which is slid on to the casing part and connected thereto, as well as circumferentially distributed fixing holes for threading on a counter flange. The flange part comprises circumferentially distributed, individual, separate fixing portions which receive the fixing holes, and connecting portions which connect the fixing portions and have a greater flexibility than said fixing portions.

Abstract: A constant velocity joint includes first and second shafts, inner and outer members and a constraining unit. The first shaft has a first yoke attached thereto and the second shaft has a second yoke, smaller than the first yoke, attached thereto. Each shaft has a socket at one end thereof where the socket is concentric about its respective shaft axis. The outer member is pivotally connected to the first yoke about a first rotation axis which is perpendicular to the axis of the first shaft. The inner member is pivotally connected to the second yoke about a second rotation axis which is perpendicular to the axis of the second shaft. The outer member is pivotally connected to the inner member about a third rotation axis which is perpendicular to both the first and second rotation axes. All of the five axes intersect at a joint center point.

Abstract: A tripod type constant velocity joint is disclosed. A tripod housing defines an opening, and is formed with three track grooves which are communicated with the opening and are uniformly spaced apart from one another in a circumferential direction. Each track groove has a contact groove formed in a side wall section thereof, and the contact groove has a bottom wall part which defines a guide surface. A spider is disposed in the opening of the tripod housing. The spider has three trunnions which project from an outer surface thereof to be inserted into the three track grooves, respectively. Three pairs of a needle roller, a spherical roller and a cylindrical roller are sequentially and diametrically fitted around the three trunnions of the spider, respectively.

Abstract: The joint is of the type in which each arm (3) of the tripod (1) has a spherical bearing surface (4) that cooperates with a cylindrical bore (8) in a one-piece intermediate shoe (7). A series of rolling members (12) is disposed between each side of the shoe and a rolling track (6) of the female member (5) of the joint. The bearing distance (D) between the center (A) of the spherical bearing surface (4) of each arm (3) and the main axis (X—X) of the male member (1) is significantly different from the rolling distance (d) between the main axis (X—X) and the mean plane (P′) of the rolling members (12) associated with the same arm.

Abstract: In a tripod type constant velocity joint, out of the pair of guide surfaces, the guide surface on the anchor side to tightly press the outer peripheral face of the outer roller when the rotational torque is transmitted in a predetermined direction is made non-parallel to the central axis of the trunnion under a zero joint angle condition, and there are provided guide portions each having a contact surface to contact with a side face of the outer roller at the anchor side on the side on which a distance between the guide surface on the anchor side and the central axis of the trunnion is extended.

Abstract: A constant velocity universal joint comprises a plurality of trunnions which are formed to be spherical, sliding surfaces which extend in a flat configuration along an axial direction of an outer cup, and pairs of slipper members having one side surfaces which are formed with recesses for making contact with spherical surfaces of the trunnions and the other side surfaces which are formed with flat surfaces to make contact with the sliding surfaces, wherein the pair of slipper members are provided slidably with respect to the sliding surface and the spherical surface of the trunnion.

Abstract: An apparatus for imparting rotary motion through a joint includes a pivotal portion which may freely pivot in two planes relative to a second portion. A rotatable shaft extends through the pivotal portion attaching to a constant velocity joint for translating rotational movement of the shaft into rotational movement of a second shaft. The pivotal portion is mounted to the second portion via a universal joint, with the constant velocity joint placed at the center of the universal joint, achieving high torque rotation.

Abstract: Two shafts in a double universal joint system are linked so that swivel of one shaft about a first pivot point in one universal joint results in a corresponding amount of swivel in the other shaft about a second pivot point in the other universal joint. Two mechanical paths couple swivel of the shafts. The two paths work in concert to couple swivel of the one shaft about a first axis to equal swivel of the other shaft about a corresponding axis, and the same two paths work in contrast to couple the swivel of the one shaft about a second axis to equal swivel of the other shaft about a second corresponding axis. This mechanism can be used to assure constant velocity operation of a double Cardan universal joint directly, or this mechanism can be used as an external harness to control the positioning of a double universal joint.

Abstract: A universal joint assembly includes a cross having a plurality of trunnions extending outwardly therefrom. An internal passageway is formed in each of the trunnions that extends through to the outer end thereof. A bearing cup is disposed about each of the trunnions, and a plurality of needle bearings is disposed between each of the bearing cups and its associated trunnion to facilitate relative rotational movement. A thrust washer is disposed between the outer end surface of each of the trunnions and its associated bearing cup. Each of the trust washers is generally annular in shape, including an outer flat portion and an inner frusto-conical portion having a central opening formed therethrough. One or more grooves may be formed in one or both sides of the thrust washer.

Abstract: The inner peripheral wall of the sleeve has four longitudinal grooves each disposed between two adjacent races. The driver has the form of a cross with four arms disposed radially at right angles to one another and each serving as a pivot shaft for a corresponding equalizing lever. Each bipod has four radial lugs disposed at 45.degree. to the axis of the rollers carried by said bipod, and each lug has on its surface facing the driver a slot designed to receive an associated end of the corresponding equalizing lever.

Abstract: A tripod universal joint including a cup-shaped outer joint member having three inward facing longitudinal roller channels with opposite planar side walls, an inner joint member inside of the outer joint member having three radial trunnions in the three roller channels, three spherical inner rollers supported on the radial trunnions for rotation and for radial linear translation, and three outer rollers between the planar side walls of the roller channels supported on corresponding ones of the inner rollers for relative rotation and for relative universal articulation. The outer rollers are prevented from tipping in the roller channels by a cylindrical cage between the inner and outer joint members. The cylindrical cage consists of three arc-shaped cage segments supported on the outer joint member for independent linear translation each having a window therein for a corresponding one of the outer rollers.

Abstract: A double Cardan type constant velocity joint has a crank type angle adjusting member rotatably supported in a central portion of a support plate that is provided inwardly of an intermediate housing. First and second engagement protrusions provided at front end portions of first and second yokes engage in an oscillatable manner with first and second engagement holes formed in the angle adjusting member. The angle adjusting member does not displace in a diametrical direction even when rotated.

Abstract: A tripod type constant velocity universal joint comprises a tripod member (4) having three radially protruding trunnions (5), each of which rotatably carries a roller (7) with cylindrical rolling elements (6) therebetween. The outer circumferential surface of the trunnion (5) assumes a true spherical surface (m) having its center on the axis of the trunnion (5) or is defined with a combination of true spherical surfaces (m.sub.1) lying at both axial end portions of the trunnion (5) and having its center on the axis of the trunnion and an intermediate curved surface (m.sub.2, m.sub.3) standing between the true spherical surfaces (m.sub.1) and having a radius of curvature larger than those of the true spherical surfaces.

Abstract: A constant velocity joint includes first and second shafts, inner and outer members and a constraining unit. The first shaft has a first yoke attached thereto and the second shaft has a second yoke, smaller than the first yoke, attached thereto. The outer member is pivotally connected to the first yoke about a first rotation axis which is perpendicular to the axis of the first shaft. The inner member is pivotally connected to the second yoke about a second rotation axis which is perpendicular to the axis of the second shaft. The outer member is pivotally connected to the inner member about a third rotation axis which is perpendicular to both the first and second rotation axes. All of the five axes intersect at a joint center point. The constraining unit constrains the third rotation axis to continuously lie generally within the homokinetic plane of the joint.

Abstract: Tripod joints, each of which includes revolvable rollers to be directly fitted to outer circumferential surfaces of spider shafts, are provided respectively at both ends of an input-side shaft to which slave driving force is transmitted. Accordingly, it is possible to prevent a slave driving system from transmission of unnecessary torque, and obtain a slave driving force-transmitting mechanism which is compact and light in weight, having a structure simplified as compared with those of the conventional technique.

Abstract: A tripod constant velocity universal joint comprising a housing (5) having longitudinal grooves (4) arranged in spaced relationship on a periphery thereof, and a tripod spider (2) comprising symmetrically arranged, rotationally symmetrical ball-headed trunnions (3) on which an inner ring (6) comprised of two semi-shells or made as a split ring is retained in a form-fitted manner for angular displacement, said inner ring (6) being radially surrounded by a guide element (7) with rolling elements (10) arranged between the guide element (7) and an outer ring (11) which is guided outwardly for sliding displacement in the longitudinal grooves (4), characterized in that a length of the rolling elements (10) is larger than a width of the outer ring (11), the guide element (7) as seen in longitudinal cross-section is U-shaped and comprises end flanges (8, 9) which extend radially outwards so as to project beyond an inner diameter of the outer ring 11.

Abstract: A differential assembly for motor vehicles includes a drive pinion gear, a ring gear which is rotatably engaged by the drive pinion gear and a differential case which is rotatably attached to the ring gear. Further included is at least two differential bevel gears rotatably supported by the differential case and a pair of side output gears engagingly driven by the at least two differential bevel gears. The differential assembly further includes a constant velocity joint having an outer race which includes an outer surface, the outer surface of the outer race forming the drive pinion gear.

Abstract: There is provided an arrangement for mechanically and reliably joining a shell-type outer ring of a homokinetic joint and its shaft. A circular hole (4) is formed in a press formed end wall of an outer ring (1). A polygonal surface or serrated grooves are formed on the inner periphery of the hole (4). A protrusion (7) provided at one end of a shaft (5) is press-fitted in the hole (4) to join the outer ring and the shaft so that they will not rotate relative to each other. A caulking tool is used to deform protrusion (7) to form caulked portion (14) so that the outer ring (1) is prevented from moving axially relative to shaft (5).

Abstract: A automotive vehicle drive train is provided including a first rotative member, a first plunging constant velocity joint with a front end connected with the first rotative member, the first plunging constant velocity joint having a rear end torsionally connected with the front end, a drive shaft with a front end and a rear end, the drive shaft front end being connected with the rear end of the first plunging constant velocity joint, a second plunging constant velocity joint with a front end and a rear end, the front end of the second plunging constant velocity joint being connected with the rear end of the drive shaft, the rear end of the second constant velocity joint being connected with a second drive member, a spring connected with the second plunging constant velocity joint biasing the front and rear ends of the second plunging constant velocity joint to a predetermine relative axial position with respect to one another, and a damper connected with the second plunging constant velocity joint to dampen an

Abstract: a sliding universal joint has a male element (1), especially a tripod, intended to be fixed to a first shaft and including arms (6) on each of which a roller (3) with a spherical external surface is mounted so that it can rotate and slide. A female element (2) intended to be fixed to a second shaft and defines on each side of each spherical roller two runway paths (7,8). A first of these runway paths (7) interacts directly with the spherical roller and axially positionins it. Between each spherical roller (3) and the associated second runway path (8) there is interposed an anti-vibration assembly (4) which, on the inside, includes a spherical surface which substantially matches the external surface of the spherical roller and interacts with this surface. This assembly (4) moves along the second runway path (8).

Abstract: A bipode joint for small articulation angles and high torque transmission has a first joint part (1) and a second joint part (23). Two rollers (7, 8) are rotatably supported on arms (3) of the first joint part (1). The rollers (7, 8) engage apertures (27) which extend from a cavity (24) to the outer face of the second joint part (23). To assemble the first joint part (1) with arms (3), recesses (32) are provided which enable the first joint part (1) to be threaded in. Thus, it is possible to associate the running faces which cooperate with the rollers (7, 8) with the apertures in the second joint part, thus, overall achieving a stable embodiment for high torque transmission.

Abstract: A constant velocity universal joint having a guide groove with a plane section and a rolling surface, an outer roller having an outer circumferential surface formed to have a linear cross section corresponding to the rolling surface and being displaceable along the rolling surface, a holder having an upper end formed to be capable of abutting against or being separated from the plane section, an expanded section having a curved and/or flat configuration and protruding toward a trunnion, and a curved section for making point-to-point contact with the expanded section.

Abstract: A constant velocity universal joint for high-speed drives such as propeller shafts in motor vehicles has the outer joint part and the inner joint part held relative to one another in an optimum way so that they rotate centrally relative to one another at any angle occurring in operation. This is achieved in that the constant velocity universal joint is provided in the form of a so-called quadripode joint consisting of an outer joint part and an inner joint part which is supported by centering the cross member associated with the inner joint part by means of the arms thereof against respective stops in the outer joint part.

Abstract: A constant velocity joint includes first and second shafts, inner and outer members and a constraining unit. The first shaft has a first yoke attached thereto and the second shaft has a second yoke, smaller than the first yoke, attached thereto. The outer member is pivotally connected to the first yoke about a first rotation axis which is perpendicular to the axis of the first shaft. The inner member is pivotally connected to the second yoke about a second rotation axis which is perpendicular to the axis of the second shaft. The outer member is pivotally connected to the inner member about a third rotation axis which is perpendicular to both the first and second rotation axes. All of the five axes intersect at a joint center point. The constraining unit constrains the third rotation axis to continuously lie generally within the homokinetic plane of the joint.

Abstract: A homokinetic joint for linking a driving shaft and a driven shaft of an automotive steering column for transmission of rotation between the driving shaft and the driven shaft. The joint has two opposite end yokes with a coupling yoke intermediate the two end yokes. The end yokes each have an end hub for linking a respective one of the shafts thereto and branched arms defining a yoke or fork opposite the hub for linking the end yoke to the coupling yoke. Two pivotable cross-pieces link the two end yokes respectively to the coupling yoke for positioning the axes of the shafts for homokinetic transmission of torque. A center ball joint unit has a ball stud and spherical ball fixed on one of the end yokes and a guide carried by the other of the end yokes. A sleeve is disposed in the guide and the ball is disposed in the sleeve. The spherical ball is angularly movable in the sleeve for angular offset variation between the shafts during transmission of torque.

Abstract: A bipode joint has a first joint part (1) with a first longitudinal axis (2) and a second joint part (23) with a second longitudinal axis (27). The first joint part (1) has an arm (3) whose diameter is stepped and includes a roller (7') whose face also includes a stepped diameter. The faces are an outer face (9) with a smaller diameter and, on the radial inside, a transmitting face (11) with a larger diameter. A spherical zone is arranged between the two faces. Two running faces (30) are on the second joint part (23) to guide the outer face (9). In the radially inward direction, the running face (30) is followed by a supporting face (32). The supporting face (32) is a partial cylindrical face to support the roller (7') with its spherical zone (10). Further inwardly, towards the second longitudinal axis (27), a supplementary running face (34) follows the support face (32). The supplementary running face serves as a supporting face for the transmitting face (11) of the roller (7').

Abstract: A tripod type constant velocity universal joint comprising an outer joint member having longitudinal recesses arranged in spaced relationship on a periphery thereof, and trunnions symmetrically arranged on a tripod spider, said trunnions located in said recesses of the outer joint member by tripod rollers mounted on rolling elements, characterized in that an inner ring formed without chip removal from sheet metal is arranged between each trunnion and respective rolling elements, the inner ring, the tripod roller and the rolling elements form a roller assembly, and the inner ring comprises at least first and second radially stepped end flanges which form radially inner stops for the rolling elements and radially outer stops for the tripod roller.

Abstract: A constant velocity universal joint of the tripod type having an outer joint part with three axis-parallel recesses each forming circumferentially opposed pairs of running grooves. An inner joint part with three circumferentially distributed radial arms with spherical heads each engage one of the recesses. The joint also has guiding pieces for rolling contact members. The guiding pieces each comprise a radially extending cylindrical inner aperture radially movably and articulatably slidingly engaged by one of the spherical heads and longitudinally directed guiding grooves holding rolling contact members rolling in the running grooves. The guiding grooves are each provided with end stops at both ends and with a free rolling path available to the rolling contact members in the guiding grooves between the end stops.

Abstract: A constant velocity universal joint of a tripod type includes an outer joint part with three circumferentially spaced axial guide tracks for respectively receiving a tripod unit which is connected to a tripod spider and guided on a ball-headed pin for angular mobility. The a tripod unit (1) includes a form-fitting coupling directly between the tripod roller (6) and an inner ring (4), with the inner ring (4) having an annular shoulder (16) which has an end face bearing upon the tripod roller (6).

Abstract: A sliding universal joint comprises a male element (1) intended to be fixed to a first shaft and including arms (6). Each arm bears a ball-type journal (7) which is integral therewith. A female element (20 intended to be fixed to a second shaft defines two guide paths which are situated on either side of each journal. Intermediate member (3, 4) are interposed between each journal and the associated guide paths. These intermediate members comprise a first member (3) which interacts with a first path (8) of the guide paths and has properties, with respect to the transmission and/or generation of vibration, which are different from those exhibited by the interaction between the second member (4) and the second guide path.

Abstract: A constant velocity universal joint includes a plurality of trunnions formed to have a spherical configuration and expanding toward guide grooves, cylindrical holders for surrounding the trunnions, to which roller members displaceable along said guide grooves are externally fitted, and cutouts formed on surfaces of the trunnions.

Abstract: An inner roller is rotatably fitted on a trunnion of a tripod member through a plurality of needle rollers and held in position against slipping off the trunnion by a slip-off preventing ring and a stopper ring mounted on the distal end of the trunnion.

Abstract: A rotational fixed connection has a shaft whose axial end is provided with outer shaft teeth and a hub whose through-bore is provided with inner teeth. The connection is useful between a driveshaft in the driveline of a motor vehicle and a joint hub of a universal tripod joint or a constant velocity universal ball joint. The joints include the hub, torque transmitting roller elements, and an outer joint part. The outer shaft teeth of the shaft, at a distance from the hub teeth end at the shaft shank end, run out steplessly into the shaft shank. The outer shaft teeth end inside the hub with a stepped end. In the region following the outer shaft teeth, the shaft includes a tooth-free end portion. The tooth-free end portion carries or forms fixing elements which axially securingly rest against a hub end face at the end where the shaft terminates.

Abstract: A slidable transmission joint has guides which ensure the cooperation of each arm (6) of a tripod element with associated tracks (7, 8). The guides have different overall sizes in the two circumferential directions. A spherical surface (3A) associated with each arm has an axis (Y--Y) which is parallel to a radius (13) of the male element (1) and perpendicular to the straight line joining the center of the spherical surface (3A) to the center of the layer guide and is offset from this radius in a direction away from the larger guide.

Abstract: A tripod member having three trunnions is inserted in an outer ring. A guide block is supported on each of the trunnions so as to be pivotable around the trunnion and is formed with a ball circulation groove at each side thereof. A plurality of balls are accommodated in the ball circulation groove so that part of the balls will protrude diametrically outwards from the ball circulation groove. The outer ring is formed in its inner surface with raceway grooves for guiding the balls in an axial direction. An arcuate ball rolling surface and a ball guide surface are formed at both sides of each raceway groove to guide the balls and prevent them from dropping out, respectively.

Abstract: A universal joint comprising a first joint member having a rotational axis and a body connected to the first joint member for pivotal movement relative thereto about a pivot axis intersecting and perpendicular to the rotational axis. The body comprises two trunnions extending along a trunnion axis perpendicular to the pivot axis of the body and respective rollers are carried by the trunnions for rotation about the trunnion axis. The universal joint also comprises a second joint member having a rotational axis and affording two tracks extending lengthwise of the second joint member and diametrically opposed to one another about the rotational axis of the second joint member with the rollers being received in the tracks for torque transmission between the joint members by way of the body and rollers.

Abstract: The Universal Joint includes a tripod that is to be fixed to the first shaft and a female element that is to be fixed to a second shaft. The tripod has a plurality of arms to engage with the plurality of the tracks of the female element. Two of the tracks are disposed on respective sides of each of the arms of the tripod. Intermediate members are interposed between each one of the arms and the two of the plurality of tracks corresponding thereto. For each one of the arms, the two tracks corresponding thereto include a first track formed of a first slot and a second track. Each one of the arms has a second slot that forms an angle with the first slot of the first track and a first spherical surface. The intermediate members include a first intermediate member that is a ball interacting with the first slot and the second slot, and a second intermediate member interacting with the second track and having a second spherical surface that interacts with the first spherical surface.

Abstract: In a slide type universal joint, a slider is slidably fitted around a trunnion of an inner member and a roller, which rolls in a transmission groove of an outer member, is carried rotatably on the slider via a needle bearing, the slider and the roller being coupled together against axial relative displacement by an axial coupling means. This makes the joint simple in structure and reduces frictional resistance.

Abstract: A boot assembly with adapter comprising a boot having elasticity and an adapter having relative rigidity. The boot is provided with a small diameter mount formed at one end to be fit over the outer circumference of the shaft, a connecting bead formed at the other end for connection to the adapter, and a body formed between the small diameter mount and the connecting bead. The adapter is provided with a large diameter mount formed at one end for connection to the joint and a connecting cavity formed at the other end and fitting with the connecting bead of the boot so as to surround the connecting bead. The connecting cavity of the adapter is provided with a bend formed with a step which protrudes outward in the radial direction and pressing against the inner circumferential of the connecting bead of the boot and a foldback connecting to the bend, formed folded back to the inner circumference of the bend, and folded over itself so that the front end is accommodated in the step.

Abstract: A tripod joint has an outer joint part with three circumferentially distributed, axis parallel recesses and an inner joint part. The inner joint part has a star-shaped cross-section with three circumferentially distributed arms which engage the recesses of the outer joint part. The roller assemblies are supported on the arms. Each roller assembly includes a roller carrier and a roller rotatably supported by a needle bearing on the roller carrier. The rollers are pivotably arranged relative to the respective arms so as to be axially and angularly movable relative to the arm axis. The rollers have running faces, which are loaded under torque transmission, and end or annular faces, which adjoin the running faces on the radial outside and inside with reference to the joint axis. The annular faces, in cross-section through the outer joint part, are complementary to the outer joint part, axially relative to the roller axis and supportingly, come to rest in and against the outer joint part recesses.

Abstract: A constant velocity ratio universal joint of the tripode type includes an outer joint member with three tracks extending lengthwise of the joint member, and an inner joint member having three arms extending outwardly into the tracks of the outer joint member. Each arm carries a respective roller having an external surface which engages opposed side portions of the associated track. Each roller is able to tilt within its associated track and move therealong so that the inner and outer joint members are able to move axially relative to one another and undergo relative articulation.

Abstract: A seal for use with a constant velocity joint and a transmission output component. The seal comprising a main seal body having a central axis of rotation, the main seal body including an inner wall and an outer wall and opposing first and second sides. The inner wall defining a connecting region having a generally cylindrical portion for connecting the seal to the transmission output component. A raised rib extending out from the first side of the seal, the raised rib being axially deformable in such a manner as to create an axial force parallel the axis of rotation for reducing the axial slip between the constant velocity joint and the transmission output component and a flange seal portion extending out away from the outer wall, the flange having an inner contacting surface adapts to contact the constant velocity joint and define a protective seal between the constant velocity joint and the transmission output component.

Abstract: An outer joint part consists of a casing in which the axially extending guiding tracks are fitted in the form of inserts. The casing is provided with axially extending continuous recesses which are open towards the inserts. The unique process for manufacturing the outer joint part consists of positioning the inserts within the recesses and holding them in position by welding or by utilizing a pressing operation on the exterior of the casing while simultaneously positioning the inserts using a supporting core.

Abstract: An intermediate roller element for a universal joint includes a strip (12), one face of which includes at least one longitudinal roller track and balls (20) which roll along the track. The balls are held by a cage (22) produced in the form of a plate (24) which extends in a plane substantially parallel to the overall plane of the track (16), and includes cells in which the balls (20) are received. The cage includes portions (28, 32, 34) joining the cage (22) to the strip in order to form a unitary sub-assembly.

Abstract: A constant velocity universal joint of the tripode type includes a roller assembly arranged on the tripode arm which is secured against unintentionally disengagement with the tripode arm. A pressure disc is provided which holds the roller assembly together as a unit and whose shape, relative to the ideal round shape, deviates radially inwardly. The radially inwardly directed deviation in shape is designed with a slightly smaller width of opening than the dimension corresponding to the maximum outer diameter of the spherical arm. In this way it is ensured that the roller assembly on the spherical tripode arm is self-holding after having been mounted.

Abstract: A tripod joint has an outer joint part with three axially extending recesses and an inner joint part with three radially circumferentially distributed arms, each engaging one of the longitudinal recesses. Roller assemblies, with roller carriers and roller elements, are carried on the arms. A mechanism cooperating with the inner joint part provides a form-fitting resistance to prevent the roller assemblies from axial removal from their respective arm.

Abstract: A constant velocity universal joint of the tripode type increases the torque transmitting capacity of the joint while the size of the joint remains unchanged, and, respectively, with a predetermined torque capacity, to reduce the size of the joint, especially the outer diameter of the joint. This is achieved in that the joint is guided entirely by the outer roller and that the securing means for the roller assembly on the tripode arm are displaced radially inwardly with reference to the joint axis.

Abstract: A universal joint comparable in construction to a ball and socket joint in that it comprises a ball member (14) attached to a first shaft (10) and a socket member (16) attached to a second shaft (18), wherein the ball member (14) and the socket member (16) are both equipped with slots (A.sub.b, B.sub.b ; A.sub.s B.sub.s) at their adjoining slotted surfaces and are disposed so that the slots at least partially overlap to form pin passageways. A pin (22a, 24a) is disposed in each pin passageway to transfer rotational motion without variation from one shaft to the other. In preferred embodiments, the ball member and the socket member each have three slots (A.sub.b, B.sub.b, C.sub.b ; A.sub.s, B.sub.s, C.sub.s). In some embodiments, the ball member may be hollow and the pins may be interconnected within the ball member to form a pin mechanism 42. In other embodiments, the ball member may be solid, and there may be a girdle member 26 surrounding the socket member, into which the pins extend.

Abstract: The area pressure in a constant velocity universal joint of the tripode type is reduced to improve the lubrication conditions. The ends of the arms of the inner joint part facing the two directions of rotation of the joint arms are each provided with a face extending parallel to the longitudinal axis of the joint and to the axis of the respective arm. The inner is produced by a forming tool divided into two parts. The workpiece is journal-shaped and when shown in an axial section, comprises a convexly curved outer circumference. The pressing and/or forging burr is formed in such a way that the use of the workpiece is not adversely affected and therefore subsequent machining of the burr is not required. In the region of the burr, there is the face as a result of which the burr, relative to the outer contour, is displaced radially inwardly.