Abstract: A universal joint includes a first joint yoke and a second joint yoke having respective base portions. Each of the joint yokes has two yoke arms that are attached on the respective base portions. Each of the yoke arms ends in a free end and has an inner face facing toward the longitudinal axis and an outer face facing away from the inner face. Each of the yoke arms has a bearing bore extending between the outer face and the inner face. The inner face of each of the yoke arms has a first recess that is open toward the free end and that ends in the corresponding bearing bore. A journal cross assembly includes a journal cross having four circular cylindrical trunnions arranged at right angles toward each other, each trunnion supporting a bearing bushing having a cylindrical envelope face and a cylindrical bore. The bearing bushings are supported on the trunnions by rolling members.

Abstract: A universal joint includes two joint yokes that, respectively, have two yoke arms that each start from a connection portion. Through an eye portion distanced from the connection portion, bearing bores extend in which respectively, a journal of a journal cross by means of interposition of rolling members and of a bearing bushing are supported. On the outside of the yoke arms, a bulge is respectively provided towards the connection portion and adjacent to the bearing bore and over a partial circumference of the same, which bulge has, towards the bearing bore, a groove. A circumferential groove, belonging to a retaining trunnion projecting from the base of the bearing bushing, is arranged opposite to the groove. Between the two, a securing element is arranged that engages with an engagement portion in the groove and with a retaining portion facing away from the same, in the circumferential groove of the retaining trunnion.

Abstract: An intermediate bearing for a driveline of a commercial vehicle has a housing (7) with a stirrup-shaped cross-section. The housing (7) has a fixing face (12) formed of two straight portions (8, 9) and a first arched portion (10). A bearing member (15) is arranged between the portions (8, 9, 10). The bearing member (15) is rubber and is connected to the fixing face (12) by vulcanization. A locking element (23) bridges the space between the two straight portions (8, 9). The locking member (23) is attached to the bearing member (15). The bearing member (15) encloses a supporting ring (16) which serves to receive a rolling contact bearing. The locking element (23) is adjustable for the purpose of setting a pre-tension of the bearing member (15) towards the longitudinal axis (18) of the bore (17) of the supporting ring (16). The locking element (23) can be connected to the housing (7) after the required pre-tension has been set.

Abstract: A bearing assembly for a bearing journal (13), especially of a cross member of a universal joint, has a bearing journal (13) with a cylindrical outer face (14), an end face (16) and a journal axis (15). A bearing element (8) has a cylindrical bearing bore (9) with a bottom face (11) and a running face (10) which is arranged at a radial distance from the outer face (14) of the bearing journal (13). Rolling-contact members (17), at their respective ends, include at least partially planar first end face (18) and second end face (19). The faces (18) and (19) are arranged between the running face (10) and the outer face (14). A stop face (20) includes an annular contact face (21) for the first end face (18) of the rolling-contact members (17). A pressure disk (22) is included with a disk portion (23) arranged between the end face (16) of the bearing journal (13) and the bottom face (11). A supporting portion (24) radially follows the disk portion (23) with reference to the journal axis (15).

Abstract: A universal joint shaft for driving a roll of a rolling mill includes a connecting shaft, a first universal joint that is attached to a first end of the connecting shaft, a second universal joint that is attached to a second end of the connecting shaft, a coupling sleeve that includes a longitudinal axis that is connected to the first universal joint, which comprises a receiving bore with an opening for receiving a journal of a roll, wherein the receiving bore forms torque transmitting transmission faces, and which includes a first conical face that is arranged concentrically relative to the longitudinal axis, wherein the first conical face is provided for contacting a correspondingly designed first counter face at the journal of the roll, as well as a structure means by which the first conical face is loaded along the longitudinal axis towards the roll.

Abstract: A flange yoke includes a base element having a flange plate. A first bearing portion, formed integrally with the flange plate and projecting from a first end face of the flange plate, has a first bearing bore. A first attachment face is provided on the first end face. A first abutment face extends from the first attachment face. A connection face is arranged on a second end face of the flange plate, with which the base element is detachably connectable to a mating flange. A bearing element having a flange portion has a second attachment face that abuts the first attachment face 10 and a second abutment face that abuts the first abutment face. The bearing element includes a second bearing portion having a second bearing bore and is detachably connected by attachment screws to the base element.

Abstract: A flange yoke for universal joints includes a first yoke half having a first flange plate and a first bearing portion, a second yoke half having a second flange plate and a second bearing portion, a first end face projecting from the bearing portions, a second end face formed by a first connection face of the first yoke half and a second connection face of the second yoke half, at least one step-like recess on the first yoke half, and at least one step-like projection formed complementary to the recess on the second yoke half. The first yoke half and the second yoke half are detachably connectable to each other by attachment screws. For this, the first yoke half has blind holes with internal threads that extend parallel to a longitudinal axis extending from the first clamping face. For each blind hole, a through bore is arranged in the second yoke half, wherein the attachment screws are passed through the through bores and are received in the blind holes.

Abstract: A universal joint has a balancing arrangement and a balancing weight for the same. Each yoke arm has a support bore centered on a bore axis, the support bore having a groove. A journal cross assembly includes four journals that intersect each other perpendicularly and bearing bushings that, respectively, have a bottom having an outer face. In these, a journal is, respectively, supported. Each bearing bushing is received in a support bore and is secured by means of a retaining ring, engaging in the groove, and by a balancing weight held between the retaining ring and the outer face of the bottom. This has radially, in reference to the bore axis, outside an annular fixing portion and following this, radially to the inside, in reference to the bore axis, a thicker balancing mass portion.

Abstract: A flange yoke for universal joints includes a flange element having a longitudinal axis, two first attachment faces arranged on a first end face, and a connection face arranged on a second end face. The flange yoke also has two bearing elements having, respectively, a bearing bore, a second attachment face abutting one of the first attachment faces, and at least two blind holes with internal threads that extend parallel to the longitudinal axis and that start from the second attachment faces. To each blind hole, a through bore, extending parallel to the longitudinal axis, is arranged in the flange element. The through bores start from the connection face and end in one of the first attachment faces. The attachment screws are passed through the through bores and sit in the blind holes. By this, it is ensured, that the cross-sectional area of the bearing elements in a plane, formed by the journals of a journal cross, is not reduced by a bore and the highest possible torque capacity is achieved.

Abstract: A universal joint has a balancing arrangement that includes yoke arms having respectively, a support bore, centered on a common bore axis, and the support bore having a groove. A journal cross assembly comprises four journals, which axes intersect each other perpendicularly, and bearing bushings, having, respectively, a bottom, having an outer face, and in which bearing bushings, a journal is, respectively, supported. Respectively, one bearing bushing is received in a support bore and is secured by means of a retaining ring, engaging in the groove and supported on the outer face of the bottom of the corresponding bearing bushing. The retaining ring has a support portion on which radially inwards and projecting towards the bore axis, a holding portion is attached, axially offset to the support portion and distanced to the bottom, forming a gap. A balancing weight, formed as a ring discontinued at a point, can be retained in the gap between the bottom and the at least one holding portion.

Abstract: A joint yoke for a universal joint, as well as to a universal joint having the same. In such a universal joint, the two joke arms in the joint yoke are separated into a base portion having integrally arm portions and bridge elements. For attaching the bridge elements, headed screws are used, for which in the end faces of the arm portions threaded bores are arranged. The threaded bore which, when projected onto the bore axis 10 of the neighboring support bore, has the largest distance from the longitudinal axis 5 has a diameter remarkably increased compared to the other threaded bores 19, 20. Compared to embodiments in which several headed screws and corresponding threaded bores are provided, which have the same diameter, an above proportional increase of the torque transmission can be achieved.

Abstract: A cross member unit for universal joints has a cross member (6) with four trunnions (17). Each two trunnions define a common longitudinal axis (7). Each trunnion (17) has an end face (18), a first sealing face (21) and a pre-sealing face (24). The pre-sealing face (24) is remote from the end face 18 and has a diameter increasing relative to the first sealing face (18). A bearing bush (9) is on each trunnion (17). Each bearing bush (9) has an open end 29 and has rolling contact members 27 rotatably supporting the trunnion (17) around the longitudinal axis (7) of the trunnion (17). An annular seal (30) is provided in each bearing bush 9. The annular seal (30) is held in the bearing bush 9 by a press fit. The annular seal (30) includes an annular carrier (31) which projects from the open end (29) of the bearing bush (9). The annular seal includes at least one first sealing lip (35) which is in contact with the first sealing face (18) of the trunnion (17).

Abstract: An intermediate bearing for a driveline of a commercial vehicle has a housing (7) with a stirrup-shaped cross-section. The housing (7) has a fixing face (12) formed of two straight portions (8, 9) and a first arched portion (10). A bearing member (15) is arranged between the portions (8, 9, 10). The bearing member (15) is rubber and is connected to the fixing face (12) by vulcanization. A locking element (23) bridges the space between the two straight portions (8, 9). The locking member (23) is attached to the bearing member (15). The bearing member (15) encloses a supporting ring (16) which serves to receive a rolling contact bearing. The locking element (23) is adjustable for the purpose of setting a pre-tension of the bearing member (15) towards the longitudinal axis (18) of the bore (17) of the supporting ring (16). The locking element (23) can be connected to the housing (7) after the required pre-tension has been set.

Abstract: The present invention relates to a lubricant for service-free cardan shafts comprising a base selected from the group consisting of a naphthenic solvent and a paraffinic solvent; a thickener selected from the group consisting of lithium salt, lithium soap, and amides of aromatic dicarboxylic acids; at least one flux oil; and an additive selected from the group consisting of molybdenum dithiocarbamate, zinc dithiocarbamate, bismuth dithiocarbamate, molybdenum dithiophosphate, zinc dithiophosphate, and bismuth dithiophosphate, in combination with thiadiazole.

Abstract: A cross member unit (9) has a cross member (10) with four arms (11). Two each are centered on axes (y, z) extending perpendicular relative to one another. The two arms (11) of one axis (y, z) are received in one yoke arm (19) of a joint yoke. Each arm (11) is associated with a bearing bush (13) rotatably supported by rolling contact members (14). A centering element (23), with a pressure element (29) and a spring element (28), are positioned in each arm. The spring element (28) is supported against the arm (11) and loads the bearing bush (13) via the pressure element (29). The bearing bushes (13) associated with one axis (y, z) are received in the two yoke arms (19) of a joint yoke. If the yoke arms (19) are deformed due to rotational-speed-related centrifugal forces, the pressure elements (29) remain in contact with the bearing bushes (13). In this way, the cross member unit (9) is held in a centered way relative to the joint yoke.

Abstract: The invention relates to a universal joint having a first joint yoke (1) and a second joint yoke (8) as well as a cross member (23) for connecting said yokes. In the region of its two second yoke arms (11), the second joint yoke (8) is separated along a line extending through the second bearing bores, so that per yoke arm (11), there are obtained two yoke arm portions (15) continuing to be connected to the base portion (9), and a separate bridge portion (16). Separation takes place in the form of fracture separation, for which purpose regions in the second bearing bores are heat-treated by laser along a line; thereafter, a force applied to and concentrating on said regions leads to fracture faces which correspond to brittle fracture faces, so that after the separating operation, joining can easily take place without the bearing bores subsequently having to be re-machined. In this way, assembly is simplified.

Abstract: A cross member for a universal joint has a base member (1) and four arms (2). The arms (2) extend away from a base member (1). To increase the torque bearing capacity of the cross member, the outer face of the arm (2) (if viewed in a longitudinal section) extends curve-like in a transition region (18) to the base member with a continually increasing diameter and with a decreasing radius of curvature (R). If viewed in a sectional plane extending through the axes (4, 5), a distance (X) exists between a first tangent (14), on the outer face of the transition region, and a second tangent parallel to the first tangent (14). The first tangent (14) extends at an angle of 45 degrees relative to the axis (4). The second tangent (15), if viewed from the center (6), is positioned behind the first tangent (14). The second tangent (15) contacts the outer face of the base member (1) at a point (16) which is located on a line of symmetry (17) of the cross member.