Abstract: A coupling socket for coupling to a coupling ball. The coupling socket has a concave coupling receiving area with a main insertion direction for the coupling ball, and a substantially semispherical lubricant cap with an end face edge is arranged in the coupling receiving area, wherein the convex exterior of the lubricant cap contacts the inner wall of the coupling receiving area over the surface thereof, and the concave interior of the lubricant cap has a receiving area for the coupling ball. The coupling socket has an insertion aid in the coupling receiving area, the end face edge of the lubricant cap, when viewed in the main insertion direction, is located behind the insertion aid, and the insertion aid completely covers the end face edge of the lubricant cap.

Abstract: A coupling part of a vehicle coupling system has a positioning device for guiding a counter-coupling part into a fixing position during a coupling operation, and a fixing device is arranged moveably between a release position and a fixing setting, wherein, in the fixing setting, the fixing device can fix a counter-coupling part in the fixing position in a positionally secure manner.

Abstract: The invention relates to a drawbar (1) for a vehicle trailer, comprising a half-spherical receiving socket (2) with a receiving opening (3) for receiving a coupling ball (4), and a drawbar carrier (5) for connecting said receiving socket (2) to the vehicle trailer. It is suggested that the receiving socket (2) is pivotally connected to the drawbar carrier (5) using a safety device (6); that the receiving socket (2) can be secured in an operating position using an actuating device (7) of said safety device (6); and that the receiving socket (2) can be pivoted relative to the drawbar carrier (5) in a direction away from the receiving opening (3), out of the operating position and into a decoupling position, by means of said actuating device (7).

Abstract: A drawbar for a towing vehicle includes a longitudinal support and an attachment which is removably fixed to the longitudinal support. The longitudinal support and the attachment form a towing-eye receiving area, and the longitudinal support and the attachment each have a receiving opening for a coupling pin. The attachment has at least one tilting protrusion which is arranged in a recess of the longitudinal support in a self-locking manner relative to a removal force in the direction of the central line of the coupling pin.

Abstract: The invention relates to a drawbar (1) for a vehicle trailer, comprising a half-spherical receiving socket (2) with a receiving opening (3) for receiving a coupling ball (4), and a drawbar carrier (5) for connecting said receiving socket (2) to the vehicle trailer. It is suggested that the receiving socket (2) is pivotally connected to the drawbar carrier (5) using a safety device (6); that the receiving socket (2) can be secured in an operating position using an actuating device (7) of said safety device (6); and that the receiving socket (2) can be pivoted relative to the drawbar carrier (5) in a direction away from the receiving opening (3), out of the operating position and into a decoupling position, by means of said actuating device (7).

Abstract: A high-load towing eye for a vehicle trailer includes a hemispherical receiving socket for receiving a coupling ball, a fastening flange for fastening to the vehicle trailer, and a straight shaft that connects the receiving socket to the fastening flange, wherein the receiving socket has a collar on the open side and the inside diameter of the collar corresponds to the inside diameter of the receiving socket. The height of the inside of the collar is greater on the first side of the receiving socket facing the shaft than on the second side of the receiving socket facing away from the shaft.

Abstract: A coupling part of a vehicle coupling system has a positioning device for guiding a counter-coupling part into a fixing position during a coupling operation, and a fixing device is arranged moveably between a release position and a fixing setting, wherein, in the fixing setting, the fixing device can fix a counter-coupling part in the fixing position in a positionally secure manner.

Abstract: A drawbar for a towing vehicle includes a longitudinal support and an attachment which is removably fixed to the longitudinal support. The longitudinal support and the attachment form a towing-eye receiving area, and the longitudinal support and the attachment each have a receiving opening for a coupling pin. The attachment has at least one tilting protrusion which is arranged in a recess of the longitudinal support in a self-locking manner relative to a removal force in the direction of the central line of the coupling pin.

Abstract: The invention relates to a steering axle (1) for a vehicle, wherein steering levers (31, 32) are articulated to both sides of an axle body (2) and each of the steering levers (31, 32) is operatively connected to a track arm (41, 42), and a tie rod (5) is hingedly connected at both ends at attack points (61, 62) to the track arms (41, 42). It is proposed to provide the track arms (41, 42) with an adjustment device (71, 72) for changing the position of the attack points (61, 62).

Abstract: The invention relates to a steering axle (1) for a vehicle, wherein steering levers (31, 32) are articulated to both sides of an axle body (2) and each of the steering levers (31, 32) is operatively connected to a track arm (41, 42), and a tie rod (5) is hingedly connected at both ends at attack points (61, 62) to the track arms (41, 42). It is proposed to provide the track arms (41, 42) with an adjustment device (71, 72) for changing the position of the attack points (61, 62).

Abstract: On a fifth wheel coupling (1) for coupling a tractor to a semitrailer, comprising a fifth wheel plate (2) for installation on the tractor and an engagement element (3) for installation on the semitrailer, wherein the fifth wheel plate (2) is designed to receive the engagement element (3), it is proposed to design the engagement element (3) to comprise a coupling ball (31) in order to increase the cross-country mobility of a team formed by the tractor and the semitrailer.

Abstract: The invention relates to a trailer coupling (1) for fastening to a towing vehicle, having a flange plate (2) and a hitch ball (3), wherein a neck (4) that connects the flange plate (2) and the hitch ball (3) is formed. For a high force load capacity, small installation space requirements, weight efficient constructability and assurance of large swivel angles, it is suggested, that the maximal extent of the neck (4) in a first direction (91) is smaller than in a second direction (92), which is normal to the first direction (91).

Abstract: On a fifth wheel coupling (1) for coupling a tractor to a semitrailer, comprising a fifth wheel plate (2) for installation on the tractor and an engagement element (3) for installation on the semitrailer, wherein the fifth wheel plate (2) is designed to receive the engagement element (3), it is proposed to design the engagement element (3) to comprise a coupling ball (31) in order to increase the cross-country mobility of a team formed by the tractor and the semitrailer.

Abstract: The invention relates to a trailer coupling (1) for fastening to a towing vehicle, having a flange plate (2) and a hitch ball (3), wherein a neck (4) that connects the flange plate (2) and the hitch ball (3) is formed. For a high force load capacity, small installation space requirements, weight efficient constructability and assurance of large swivel angles, it is suggested, that the maximal extent of the neck (4) in a first direction (91) is smaller than in a second direction (92), which is normal to the first direction (91).

Abstract: A forced steering arrangement for steering a vehicle trailer coupled to a towing vehicle includes a measuring device for determining a pivot angle between the towing vehicle and the vehicle trailer, a control device having an input coupled to the measuring device and an output, and a steering device coupled to the output of the control device for turning the wheels of at least one steered axle of the vehicle trailer. The measuring device is also configured to determine a twist between the towing vehicle and the vehicle trailer.

Abstract: A high-load drawbar eye (1) with a hitch socket (2) which is open about the rim for receiving a matching hitch ball (7), a hitch arm (3) and a hitch flange (4), includes a hold-down device (5) which cooperates with the hitch socket (2), for realizing a compact hitch connection with a hitch apparatus having a hitch ball.

Abstract: The invention relates to a coupling device (1) for tractive vehicles or similar. Said device comprises a frame (2), a coupling ball (3) and a retaining element (4). According to the invention, the frame (2) is equipped with a guide (21) and a carriage element (5) is displaceably mounted in said guide (21). The coupling operation is carried out by a sliding motion of the carriage element (5).

Abstract: Support structure (1) for a hitch ball (61) and a depressor (62), wherein a fastening mechanism (2) is provided for securement to a carrier (81) by means of quick-action coupling.

Abstract: A fifth wheel coupling (4) for coupling a tractor (2) and a semi-trailer (3) of a tractor-trailer unit (1) comprises a coupling device arranged on the tractor (2) for receiving and arresting a king journal fastened to the semi-trailer (3). In order to achieve the best possible swiveling properties at a design of low complexity, there is provided as a fifth wheel coupling a ball-shape coupling (4) with a coupling ball (5) and an associated holding-down device (6) on the one hand and a ball cup (7) enclosing the coupling ball (5) in the coupling position and the attached butt part (8) on the other hand, with the coupling ball (5) and the holding-down device (6) replacing the coupling device and the ball cup (7) and the butt part (8) replacing the king journal.