Abstract: Battery gripper (12), for attracting by suction and handling starter batteries (26) of, in particular, motor vehicles, having a housing (56), in which a vacuum chamber which can be loaded with vacuum is provided and which has suction openings (84, 84) on the suction side thereof (54) which faces the starter battery to be attracted by suction, wherein the suction side is assigned a flexible lining (82) for contact with the starter battery, wherein the housing has a T-shaped cross section which runs parallel to the suction side, wherein the cross section has a bar section (64) and a web section (66) which extends transversely from the bar section, in such a way that the web section extends between the battery poles (68, 70) of the starter battery when the starter battery is attracted by suction to the battery gripper.

Abstract: Battery gripper (12), for attracting by suction and handling starter batteries (26) of, in particular, motor vehicles, having a housing (56), in which a vacuum chamber which can be loaded with vacuum is provided and which has suction openings (84, 84) on the suction side thereof (54) which faces the starter battery to be attracted by suction, wherein the suction side is assigned a flexible lining (82) for contact with the starter battery, wherein the housing has a T-shaped cross section which runs parallel to the suction side, wherein the cross section has a bar section (64) and a web section (66) which extends transversely from the bar section, in such a way that the web section extends between the battery poles (68, 70) of the starter battery when the starter battery is attracted by suction to the battery gripper.

Abstract: A winch for winding and unwinding of a tension line, with a winding drum that is rotational around its central axis so that the tension line is windable and unwindable in windings running around the winding drum, and with a rotating actuator for driving a rotation of the winding drum, wherein the winding drum is arranged in a longitudinally movable manner along its central axis with respect to a base of the winch. It is a threaded rod extending in the central axis and having an external thread, wherein the winding drum is arranged rotationally around the threaded rod by means of a counter-thread that engages in the external thread.

Abstract: A monochromator has at least one optical grating which is rotatable in relation to incident light of a source of light, a drive unit to rotate the optical grating by a connected drive rod around a longitudinal axis, and a control unit to control the drive unit and thereby the rotation of the optical grating. The drive unit further has a first damping element with at least one electrical conductive surface, and a second damping element which provides at least one magnetic field having a magnetic axis which penetrates the electrical conductive surface. One of the first and second damping elements is fixed to the drive rod and is rotatable along with the drive rod around the longitudinal axis thereof in relation to the other one of the second or first damping element.