Abstract: 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.

Abstract: An outer joint part of a constant velocity universal joint for a wheel hub-constant velocity fixed joint unit wherein a wheel hub (60, 90) with a through-aperture (59, 89) carrying inner shaft teeth (44, 74) is clamped relative to the outer joint part (46, 76) of a constant velocity universal joint (42, 72), to which outer joint part (46, 76) there is formed on a journal (53, 83) with outer shaft teeth (54, 84), wherein the inner shaft teeth (44, 74) of the through-aperture (59, 89) and the outer shaft teeth (54, 84) of the journal (53, 83) engage one another and wherein a double-row wheel bearing (43, 73) is slid on to the wheel hub (60, 90) which wheel bearing comprises an inner bearing race (64, 94) which directly supports an end face (52, 82) of the outer joint part (46, 76), wherein the ratio of the journal diameter at the journal base (DZ) and the journal length (LZ) is greater than 0.95.

Abstract: A wheel hub/constant velocity joint unit wherein a wheel hub (60, 90) with a through-aperture (59, 89) carrying inner shaft teeth (44, 74) is clamped to an outer joint part (46, 76) of a constant velocity fixed joint (42, 72), which outer joint part (46, 76) comprises a formed-on journal (53, 83) with outer shaft teeth (54, 84), wherein the inner shaft teeth (44, 74) of the through-aperture (59, 89) and the outer shaft teeth (54, 84) of the journal (53, 83) engage one another and wherein a double-row wheel bearing (43, 73) is slid on to the wheel hub (60, 90) which comprises an inner bearing race (64, 94) which directly supports an end face (52, 82) of the outer joint part (46, 76), wherein half the sum of the pitch circle diameter of the joint balls PCD and the bearing width BL is greater than the center-to-center distance AGL between the constant velocity universal joint (42, 72) and the wheel bearing (43, 73).

Abstract: A wheel hub/universal joint assembly (11) comprising a rotatably supported wheel hub (21) which is provided with a wheel flange (22) for bolting on a vehicle wheel and which comprises a central through-aperture (29) with inner shaft teeth (30), and a universal joint (41) with an outer joint part (42) to which there is attached a driving journal (43) with outer shaft teeth (53), wherein the driving journal (43) is inserted into the through-aperture (29) and wherein the wheel hub (21) and the outer joint part (42) are connected to one another in a rotationally fast way by inter-engaging inner and outer shaft teeth (30, 53), and wherein, between the wheel hub (21) end facing the joint and an end face (50) of the outer joint part (42), which end face (50) faces the wheel, there is provided an axial free space (81), wherein between the wheel hub (21) and the driving journal (43), there includes a clamping element which load the wheel hub (21) towards the outer joint part (42) and wherein, for supporting the wheel

Abstract: A connecting assembly between a shaft journal which is axially secured, and a constant velocity universal joint whose inner joint part is engaged by the shaft journal in a rotationally fast way, wherein there is provided a threaded sleeve which is held so as to be axially secured and freely rotatable relative to the inner joint part and which comprises a thread which can be threaded on to a counter thread on the shaft journal.

Abstract: A sealed joint assembly includes an outer joint part (3) with outer ball tracks (9), an inner joint part (4) with inner ball tracks (10), torque transmitting balls (6) which are guided in pairs of tracks and held in a cage (7) with cage windows (8). A sleeve (16) is connected to the inner joint part (4) and is coaxially arranged thereto. A sealing mechanism (12) with an annular cap (13) is fixed to the outer joint part (3) and includes a sealing diaphragm (15) with an outer collar (18) connected to the annular cap (13) and an inner collar (19) sealingly connected to the sleeve (16). A securing ring (20) fixes the inner collar (19) on the sleeve (16). The sleeve (16) has an annular groove (33) which is engaged by the sealing diaphragm (15) by an inner annular bead (32) formed on the inner collar (19).

Abstract: A drive assembly of a propeller shaft for use in the driveline of a motor vehicle, includes an intermediate bearing (31); a constant velocity universal joint (34); a shaft journal (33) having a first journal diameter (D1), and a free journal end which is connected to the constant velocity universal joint (34) and having a second journal diameter (D2), wherein a first journal length (L1) is measured between the bearing center of the intermediate bearing (31) and the joint center (34), and a second journal length (L2) is measured between the axial securing ring and the joint center; a rolling boot (43) is connected to an outer joint part (35) by a first collar and is positioned on the shaft journal (33) by a second collar; wherein the ratio between the second journal length (L2) and the second journal diameter (D2) is less than 2.0.

Abstract: A constant velocity twin ball joint, having an outer joint part with outer ball tracks, an inner joint part with inner ball tracks. Circumferentially adjoining pairs of tracks comprise center lines of the outer and inner ball tracks which, when the longitudinal axes are aligned, are positioned in planes which extend parallel relative to one another and are symmetric relative to the longitudinal axes. A ball cage is positioned between the outer joint part and the inner joint part and comprises circumferentially distributed cage windows which each accommodate pairs of balls of adjoining pairs of tracks positioned in parallel planes. The circumferential length of second cage windows for second pairs of balls is smaller than the circumferential length of first cage windows for first pairs of balls.

Abstract: 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.

Abstract: A constant velocity joint-wheel hub assembly wherein the wheel hub includes a sleeve portion for receiving a wheel bearing and a flange for threading on a wheel and wherein the constant velocity joint has an annular outer joint part with apertures at both ends. Axial tensioning means pass through the sleeve portion and, through one aperture, engage the outer joint part. The sleeve portion and the outer joint part contact one another in an axially mutually supporting way. The axial tensioning means include a hollow member which is supported on the wheel hub and on the outer joint part. Between the sleeve portion and the outer joint part, there are provided form-fitting engagement means for the purpose of transmitting torque between the wheel hub and the constant velocity joint.

Abstract: A constant velocity fixed joint having an outer joint part (12) with outer ball tracks (221, 222), an inner joint part (13) with inner ball tracks (231, 232), the outer ball tracks and the inner ball tracks forming pairs of tracks (211, 231; 222, 232), the pairs of tracks each accommodate a torque transmitting ball (141, 142). Each two adjoining pairs of tracks comprise outer ball tracks with center lines in planes extending substantially parallel relative to one another, as well as inner ball tracks with center lines in planes extending substantially parallel relative to one another. An annular ball cage (16) is positioned between the outer joint part (12) and the inner joint part (13). In an aligned joint, centers of the balls are held by the ball cage in the joint center plane and when the joint is articulated, they are guided onto the angle-bisecting plane between the longitudinal axes.

Abstract: A joint seal of a constant velocity universal joint which has a sealing effect relative to a shaft journal includes an axial securing sleeve which is connected to the inner joint part and which ends in individual axial fingers which radially elastically engage an annular groove in the shaft journal, wherein the ventilation channels for the joint interior of the constant velocity universal joint are formed by axial slots between the individual axial fingers which freely end in the interior of the rolling boot and can be closed towards the outside of the rolling boot by a sealing lip which is formed on to the rolling boot, which, in the position of rest, annularly sealingly contacts the shaft journal and which, at an increased speed, lifts off the shaft journal to expose the ventilation channels.

Abstract: A connecting assembly between a shaft journal (11) which is supported, and a universal joint (12) whose inner joint part (24) is engaged by the shaft journal (11) in a rotationally fast way, wherein there is provided an axially effective engaging connection between a securing sleeve (41) axially firmly connected to the inner joint part (24) and an annular groove (39) on the shaft journal (11).

Abstract: A multi-part propeller shaft for transmitting torque in the driveline of a motor vehicle. The shaft includes a first shaft portion (3) having a shaft tube (11) with an inner diameter (d), a second shaft portion (4) with an outer diameter (D) which is smaller than the inner diameter (d) of the shaft tube (11), and a universal joint (5) connecting the two shaft portions. The universal joint (5) has been provided in the form of a nominal separating region, and, after the universal joint (5) has been disassembled, due to an axial force resulting from a crash event, the first and the second shaft portion (3, 4) can be inserted into one another. To be able to accommodate kinetic energy, a deformable energy absorbing mechanism is provided in the shaft tube. The energy absorbing mechanism can be a filler member, a friction sliding element and/or a friction-inducing sliding assembly.

Abstract: A connecting assembly for transmitting torque between a rotational part (11) having through-holes (13) and an attaching flange (17). Bolts (21) pass through the through-holes (13) and are threaded into threaded holes (18) to bolt the rotational part (11) and the attaching flange (12) together to transmit torque. The bolts (21) have a bolt shank (23) and a threaded portion (24), wherein the diameter of the shank (D1) is greater than the diameter of the threaded portion (D2). The through-holes 13, on the inside, include radial projections (15, 16) which reduce the cross-section and which are radially deformed when the bolts (21) are inserted and threaded in, so that bolts (21), by way of the bolt shank (23), rest in a play-free way against the projections (15, 16) in the through-holes (13) of the rotational part (11).

Abstract: A wheel hub/universal joint assembly having a wheel hub (1) with a wheel flange (2) and a universal joint (3) for attaching a driveshaft (4). The universal joint (3) is connectable to the wheel hub (1) by a central bolt/nut connection. The wheel hub (1) has a central passage (16) with a first aperture (22) with a first diameter (D1) at the flange end, and a second aperture (23) with a second diameter (D2) at the joint end. The second diameter is greater than first diameter. The first aperture is passed through by a bolt (19) or a threaded pin (34) of the bolt/nut connection. In the second aperture there are provided inner teeth (17) which are engaged by a journal (14) of the universal joint (3) with corresponding outer teeth (15).

Abstract: A tripode joint having an outer joint part (11) having three uniformly circumferentially distributed recesses (15) which forms pairs of circumferentially opposed tracks (16) for receiving a roller assembly (13). Each roller assembly (13) is carried on an arm (19) of a tripode star (12). Each arm head has a spherical surface portion. Each roller assembly (13) includes an annular roller carrier (23, 123), bearing needles (24) rotating on the roller carrier (23, 123), and rollers (25) which are rotatably supported on the bearing needles (24). The roller carriers (23, 123) include stop collars which delimit the needle contact face, and which are held with an axial displacement clearance in the direction of the roller axes between axial securing members (26, 27) in such a way that they are secured against being lost relative to the rollers (25).

Abstract: A method and apparatus for assembling a driveshaft, and the driveshaft itself. The driveshaft (1) includes a first attachable part (2) with a first longitudinal axis (A1), a second attachable part (3) with a second longitudinal axis (A2) as well as a tube element (4) with a curvature which is production-caused. For joining purposes, the tube element (4) is held so as to intersect a reference axis (R) in two points of its center line (M). The first attachable part (2) with its first longitudinal axis (A1) and the second attachable part (3) with its second longitudinal axis (A2) are aligned on the reference axis (R). Thereafter, the attachable parts (2, 3) are welded to the tube ends of the tube element (4), with the radial gaps between the tube element (4) and the attachable parts (2, 3) being closed.

Abstract: A longitudinal displacement unit for a shaft assembly includes a profiled sleeve (11) with first ball grooves (12), a profiled journal (21), second ball grooves (22), balls (31) which are arranged in groups in pairs of first and second ball grooves (11, 22), and a ball cage (41) which is positioned between the profiled sleeve (11) and the profiled journal (21) and fixes the balls (31) in their axial position relative to one another. The ball cage (41) contains elastic rolling members which are positioned between the profiled sleeve (11) and the profiled journal (21), so as to be radially pre-tensioned and which, during the transmission of torque, remain largely free from circumferential forces.

Abstract: A method of attaching a balancing mass to a rotational member which has to be balanced and comprises a longitudinal axis X. The method uses magnetic pulse welding, wherein the balancing mass, at a high speed, is radially moved towards the longitudinal axis of the rotational member and, when hitting the rotational member, becomes welded thereto.