Abstract: A sealing assembly at a constant velocity joint having an annular outer joint part (11) which is open at both ends and having a sealing cover (31) which sealingly rests against an end face (19) of the outer joint part (11) and is positioned on the circumference of the outer joint part (11) with pretension, wherein the sealing cover (31) comprises individual circumferentially distributed tongues (34) which rest on the circumference of the outer joint part (11) and wherein an attaching flange (41) is bolted to the outer joint part (11) and to the sealing cover (31) which comprises a centering collar (42) which is positioned between the respective tongues (34) directly on the outer joint part (11).

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 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: An axial plunging unit for torque transmission within a driveline which includes a profiled journal (11) with first circumferentially distributed longitudinally extending ball grooves (12), a profiled sleeve (13) with second circumferentially distributed longitudinally extending ball grooves (14), balls (15) which are arranged in pairs of first and second ball grooves (12,14) in identical groups, and a supporting and attaching sleeve (21) which is slid on to the profiled sleeve (13) so as to ensure the transmission of torque.

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 longitudinal plunging unit (11) for torque transmitting purposes in a shaft assembly, comprising an outer profiled sleeve (21) having circumferentially distributed, inner, longitudinally extending first ball grooves (22) to be connected to a first attachment part, a profiled journal (31) positioned inside the outer profiled sleeve (21) and having circumferentially distributed, outer, longitudinally extending second ball grooves (32) to be connected to a second attachment part, groups of balls (41) arranged in pairs of first and second ball grooves (22, 32), and a sleeve-shaped ball cage (42) which is positioned in the annular space between the profiled sleeve (21) and the profiled journal (31) and which fixes the groups of balls (41) in their respective positions relative to one another. The profiled journal (31) is a hollow journal comprising a material with a substantially uniform wall thickness with a maximum deviation of ±15%.

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.

Abstract: The invention relates to a rolling boot (26) and to a rolling boot assembly including such a rolling boot and two attaching parts. The rolling boot (26) comprises a first axially flexible portion (38) having a first radially outer collar (27), a second axially flexible portion (39) having a second radially outer collar (28), and an approximately cylindrical connecting portion (40) which adjoins the two portions (38, 39) on the radial inside. The rolling boot assembly is provided with a first attaching part (24) comprising a fixing portion (34) which opens towards the second portion and which, from the outside, continuously approaches the first portion (38) of the rolling boot (26) in the direction of the first collar (27), as well with a second attaching part (25) comprising a fixing portion (37) which opens towards the first portion (38) and which approaches the second portion (39) in the direction of the second collar (28).

Abstract: A method of and device for assembling joint components of constant velocity joints wherein into an annular first joint component with a greater diameter and a first longitudinal axis, there is introduced an annular or star-shaped second joint component with a smaller diameter and a longitudinal axis. The first joint component whose introducing aperture is smaller than the smallest radial projection face of the second joint component is ovalized for the purpose of introducing the second joint component due to the effect of at least four groups of forces, with the first and second longitudinal axes being positioned perpendicularly relative to one another.

Abstract: A longitudinal plunging unit (11) for torque transmitting purposes in a shaft assembly, comprising an outer profiled sleeve (21) having circumferentially distributed, inner, longitudinally extending first ball grooves (22) to be connected to a first attachment part, a profiled journal (31) positioned inside the outer profiled sleeve (21) and having circumferentially distributed, outer, longitudinally extending second ball grooves (32) to be connected to a second attachment part, groups of balls (41) arranged in pairs of first and second ball grooves (22, 32), and a sleeve-shaped ball cage (42) which is positioned in the annular space between the profiled sleeve (21) and the profiled journal (31) and which fixes the groups of balls (41) in their respective positions relative to one another.

Abstract: A constant velocity universal ball joint includes an outer joint part, an inner joint part, torque transmitting balls guided in pairs of tracks, and an annular ball cage held between the outer joint part and the inner joint part, wherein the ball cage forms an inner face which is internally widened between two end apertures of the ball cage. The inner joint part has a greatest outer diameter which is greater than each of the inner diameters of the end apertures of the ball cage. Adjoining inner ball tracks of the inner joint part form webs whose axial length is greater than the circumferential extension of the cage windows of the ball cage. The ball cage can be elastically ovalised to the extent that, when the axes of the ball cage and of the inner joint part intersect one another approximately perpendicularly upon contact between a web of the inner joint part and the inner face of the ball cage, the opposed web of the inner joint part is able to pass through an end aperture.

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 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.

Abstract: A method of producing a connection between an outer joint part of a constant velocity universal joint and a shaft journal, wherein the shaft journal is provided with a flange which is co-axially attached to the outer joint part, wherein a tubular sleeve with a greater diameter is slid at a radial distance over the butt joint between the outer joint part and the flange and wherein the tubular sleeve is reduced radially by a pulse welding process and welded to the outer joint part and to the flange.

Abstract: An axial plunging unit for transmitting torque within a driveline, includes a profiled sleeve (11) with circumferentially distributed longitudinally extending first ball grooves (12), a profiled journal (13) with circumferentially distributed longitudinally extending second ball grooves (14), and balls (15) which are arranged in pairs of first and second ball grooves (12, 14) in groups (k) of balls, wherein the number of first ball grooves (11) corresponds to m times the number k of the groups of balls and wherein the longitudinal axes of the first, second, etc. to the mth of the first ball grooves 12, as counted circumferentially, are positioned on different pitch circle diameters.

Abstract: A method of producing a roll boot from an injection-moldable elastomer, comprising the following steps: injection-molding a basic member having a cylindrical portion and a widened portion; turning the basic member inside out; folding the widened portion outwardly so that it partially comes to lie outwards of the cylindrical portion, forming a roll wall.

Abstract: The invention relates to a rolling boot (26) and to a rolling boot assembly including such a rolling boot and two attaching parts. The rolling boot (26) comprises a first axially flexible portion (38) having a first radially outer collar (27), a second axially flexible portion (39) having a second radially outer collar (28), and an approximately cylindrical connecting portion (40) which adjoins the two portions (38, 39) on the radial inside. The rolling boot assembly is provided with a first attaching part (24) comprising a fixing portion (34) which opens towards the second portion and which, from the outside, continuously approaches the first portion (38) of the rolling boot (26) in the direction of the first collar (27), as well with a second attaching part (25) comprising a fixing portion (37) which opens towards the first portion (38) and which approaches the second portion (39) in the direction of the second collar (28).

Abstract: The invention relates to a plunging assembly for a driveshaft, especially for being used in the driveline of a motor vehicle. The plunging assembly comprises a tubular outer joint part (3) with a longitudinal axis and circumferentially distributed outer running grooves (5) extending parallel to the longitudinal axis; an inner part (1) with inner running grooves (10) extending parallel to the longitudinal axis, as well as a plunging unit (2) with a cage (16) and balls (15) provided for torque transmitting purposes. Furthermore, there are provided means for delimiting the path which can be covered by the inner part (1) relative to the outer part (3) during the moving-in and moving-out motion. The means being arranged between the inner part (1) and the plunging unit (2) as well as between the plunging unit (2) and the outer part (3). The length of the inner running grooves (10) differs from that of the outer running grooves (5).

Abstract: A longitudinal plunging unit (11) for torque transmitting purposes in a shaft assembly, comprising an outer profiled sleeve (21) having circumferentially distributed, inner, longitudinally extending first ball grooves (22) to be connected to a first attachment part, a profiled journal (31) positioned inside the outer profiled sleeve (21) and having circumferentially distributed, outer, longitudinally extending second ball grooves (32) to be connected to a second attachment part, groups of balls (41) arranged in pairs of first and second ball grooves (22, 32), and a sleeve-shaped ball cage (42) which is positioned in the annular space between the profiled sleeve (21) and the profiled journal (31) and which fixes the groups of balls (41) in their respective positions relative to one another.

Abstract: A longitudinal plunging unit (11) for torque transmitting purposes in a shaft assembly, comprising an outer profiled sleeve (21) having circumferentially distributed, inner, longitudinally extending first ball grooves (22) to be connected to a first attachment part, a profiled journal (31) positioned inside the outer profiled sleeve (21) and having circumferentially distributed, outer, longitudinally extending second ball grooves (32) to be connected to a second attachment part, groups of balls (41) arranged in pairs of first and second ball grooves (22, 32), and a sleeve-shaped ball cage (42) which is positioned in the annular space between the profiled sleeve (21) and the profiled journal (31) and which fixes the groups of balls (41) in their respective positions relative to one another. The profiled journal (31) is a hollow journal comprising a material with a substantially uniform wall thickness with a maximum deviation of ±15%.